Joyce Illustrated Plant List

Abies amabilis Lovely fir, Pacific silver fir, Cretan Mallow

• rare native
Tree

Abies bracteata Bristlecone fir, Santa lucia fir

• rare native
Tree

Abies concolor Balsam fir, White fir, White silver fir

native
Tree

Abies concolor ssp. concolor Balsam fir, White fir, White silver fir

native
Tree

Abies concolor ssp. lowiana Balsam fir, White fir, White silver fir

native
Tree

Abies concolor var. lowiana Balsam fir, White fir, White silver fir

native
Tree

Abies grandis Grand fir

native
Tree

Abies lasiocarpa Subalpine fir

native
Tree

Abies lasiocarpa ssp. arizonica Subalpine fir

native
Tree

Abies lasiocarpa ssp. lasiocarpa Subalpine fir

native
Tree

Abies lasiocarpa var. arizonica Subalpine fir

native
Tree

Abies lasiocarpa var. lasiocarpa Alpine fir, Subalpine fir

• rare native
Tree

Abies magnifica Balsam fir, California red fir, Magnificent silver fir

native
Tree

Abies magnifica var. magnifica California red fir

native
Tree

Abies magnifica var. shastensis Shasta red fir

native
Tree

Abies procera Noble fir

native
Tree

Abronia alpina Ramshaw meadows abronia

• rare native
Perennial herb

Abronia gracilis Graceful sand verbena, Slender sand verbena

native
Perennial herb

Abronia latifolia Coastal sand verbena, Sand verbena, Yellow sand verbena

native
Perennial herb

Abronia maritima Red sand verbena, Sticky sand verbena

• rare native
Perennial herb

Abronia nana Dwarf sand verbena

native
Perennial herb

Abronia nana var. covillei Coville's dwarf sand verbena

• rare native
Perennial herb

Abronia pogonantha Mohave sand verbena, Mojave sand verbena

native
Annual herb

Abronia turbinata Trans montane sand verbena, Transmontane sand verbena

native
Annual herb

Abronia umbellata Beach sand verbena, Pink sand verbena, Purple sand verbena

native
Perennial herb

Abronia umbellata var. breviflora Pink sand-verbena

• rare native
Perennial herb

Abronia umbellata var. umbellata Beach sand verbena

native
Perennial herb

Abronia villosa Desert sand verbena, Hairy sand verbena

native
Annual herb

Abronia villosa var. aurita Desert sand verbena

• rare native
Annual herb

Abronia villosa var. villosa Desert sand verbena, Hairy sand verbena

native
Annual herb

Abutilon abutiloides shrubby Indian mallow

• rare native
Perennial herb

Abutilon palmeri Palmer's abutilon, Palmer's indian mallow

native
Perennial herb

Abutilon parvulum Dwarf indian mallow, Little abutilon

• rare native
Perennial herb

Abutilon theophrasti Velvet leaf, Velvetleaf

non-native
Annual herb

Acacia baileyana Bailey acacia, Cootamundra wattle

• invasive non-native
Tree, Shrub

Acacia cyclops Coastal wattle, Cyclops acacia

• invasive non-native
Shrub

Acacia dealbata Silver wattle

• invasive non-native
Tree, Shrub

Acacia decurrens Black wattle, Green wattle, Wattle

non-native
Tree

Acacia farnesiana Sweet acacia

non-native
Tree

Acacia koa Koa

non-native
Tree

Acacia longifolia Sydney golden wattle

non-native
Tree

Acacia mearnsii Black wattle

non-native
Tree, Shrub

Acacia melanoxylon Blackwood acacia

• invasive non-native
Tree

Acacia paradoxa Kangaroo thorn

• invasive non-native
Shrub

Acacia pendula Myall acacia

non-native
Tree

Acacia podalyriifolia Pearl wattle

non-native
Tree, Shrub

Acacia pycnantha Golden wattle

• invasive non-native
Tree, Shrub

Acacia redolens Bank catclaw

non-native
Tree, Shrub

Acacia retinodes Ever blooming acacia, Everblooming acacia

non-native
Tree

Acacia saligna Orange wattle

non-native
Tree, Shrub

Acacia verticillata Prickly moses, Star acacia

non-native
Tree, Shrub

Acaena pinnatifida California sheepburr

native
Perennial herb

Acaena pinnatifida var. californica California sheepburr

native
Perennial herb

Acaena novae-zelandiae Biddy biddy

• invasive non-native
Shrub (stem succulent)

Acaena pallida Pale biddy-biddy

non-native
Perennial herb

Acalypha californica California acalypha, California copperleaf

native
Shrub

Acamptopappus shockleyi Shockley's goldenhead

native
Shrub

Acamptopappus sphaerocephalus Rayless goldenhead

native
Shrub

Acamptopappus sphaerocephalus var. hirtellus Hairy goldenhead, Rayless goldenhead, Round headed goldenhead

native
Shrub

Acamptopappus sphaerocephalus var. hirtellus

Acamptopappus sphaerocephalus var. sphaerocephalus Rayless goldenhead

native
Shrub

Acamptopappus sphaerocephalus var. sphaerocephalus

Acanthomintha duttonii San mateo thorn mint

• rare native
Annual herb

Acanthomintha ilicifolia San Diego thorn mint

• rare native
Annual herb

Acanthomintha lanceolata Santa clara thorn mint

• rare native
Annual herb

Acanthomintha obovata ssp. cordata Heart leaved thorn mint, Heartleaf thorn mint

• rare native
Annual herb

Acanthomintha obovata ssp. obovata San benito thorn mint

• rare native
Annual herb

Acanthoscyphus parishii var. abramsii Abrams' oxytheca

• rare native
Annual herb

Acanthoscyphus parishii var. cienegensis Cienega seca oxytheca

• rare native
Annual herb

Acanthoscyphus parishii var. cienegensis

Acanthoscyphus parishii var. goodmaniana Cushenbury oxytheca

• rare native
Annual herb

Acanthoscyphus parishii var. goodmaniana

Acanthoscyphus parishii var. parishii Parish's oxytheca

• rare native
Annual herb

Acanthus mollis Bear's breech

non-native
Perennial herb

Acer campestre Hedge maple

non-native
Tree, Shrub

Acer circinatum Vine maple

native
Tree, Shrub

Acer glabrum Mountain Maple

native
Tree, Shrub

Acer glabrum var. diffusum Mountain maple, Rocky mountain maple

native
Tree, Shrub

Acer glabrum var. douglasii Douglas maple

native
Tree, Shrub

Acer glabrum var. glabrum Rocky mountain maple

native
Tree, Shrub

Acer glabrum var. torreyi Rocky mountain maple

native
Tree, Shrub

Acer macrophyllum Big leaf maple, Bigleaf maple

native
Tree

Acer negundo Boxelder

native
Tree

Acer negundo ssp. californica Boxelder

native
Tree

Acer negundo var. californicum Boxelder

native
Tree

Acer negundo var. negundo Boxelder

native
Tree

Acer palmatum Japanese maple

non-native
Tree

Acer platanoides Norway maple

non-native
Tree, Shrub

Acer rubrum Red maple

non-native
Tree

Acer saccharinum Silver maple

non-native
Tree

Acer saccharum Sugar maple

non-native
Tree

Achillea filipendulina Fernleaf yarrow, Gold Yarrow

non-native
Perennial herb

Achillea lanulosa Common yarrow

native
Perennial herb

Achillea millefolium Common yarrow

native
Perennial herb

Achillea millefolium var. alpicola Common yarrow

native
Perennial herb

Achillea millefolium var. occidentalis Common yarrow

native
Perennial herb

Achillea tomentosa Common yarrow

native
Perennial herb

Achlys californica California deer foot, Deer's foot

native
Perennial herb

Achlys triphylla Sweet after death

native
Perennial herb

Achlys triphylla ssp. triphylla Deer foot, Three-leaf deer foot

native
Perennial herb

Achyrachaena mollis Blow-Wives

native
Annual herb

Achyronychia cooperi Frost mat, Onyxflower

native
Annual herb

Acleisanthes longiflora Angel trumpets, Angeltrumpet, Yerba de la rabia

• rare native
Perennial herb

Acleisanthes nevadensis Desert wing-fruit

• rare native
Perennial herb

Selinocarpus nevadensis Desert wing-fruit

• rare native
Perennial herb

Acmispon americanus American bird's foot trefoil, Spanish lotus

native
Annual herb

Lotus unifoliolatus American bird's foot trefoil, Spanish lotus

native
Annual herb

Acmispon americanus var. americanus American bird's foot trefoil, American trefoil, Spanish lotus

native
Annual herb

Lotus purshianus var. purshianus American bird's foot trefoil, American trefoil, Spanish lotus

native
Annual herb

Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil, American trefoil, Spanish lotus

native
Annual herb

Acmispon argophyllus Silver birds foot trefoil

native
Perennial herb

Acmispon argophyllus var. adsurgens San clemente island bird's-foot trefoil

• rare native
Perennial herb

Acmispon argophyllus var. argenteus Channel islands silver lotus

native
Perennial herb

Acmispon argophyllus var. argophyllus Southern california silver lotus

native
Perennial herb

Acmispon argophyllus var. fremontii Fremont's silver lotus

native
Perennial herb

Lotus argophyllus var. fremontii Fremont's silver lotus

native
Perennial herb

Acmispon argophyllus var. niveus Santa cruz island bird's-foot trefoil

• rare native
Perennial herb

Acmispon argyraeus Canyon birdsfoot trefoil

native
Perennial herb

Lotus wrightii Canyon birdsfoot trefoil

native
Perennial herb

Acmispon argyraeus var. argyraeus Canyon lotus

native
Perennial herb

Acmispon argyraeus var. multicaulis Canyon Bird's-foot Trefoil, Scrub Lotus

• rare native
Perennial herb

Acmispon brachycarpus hill lotus

native
Annual herb

Lotus humistratus hill lotus

native
Annual herb

Acmispon cytisoides Bentham's deerweed

native
Perennial herb

Acmispon nevadensis Sierra lotus

native
Perennial herb

Acmispon nevadensis var. davidsonii Davidson's sierra nevada lotus

native
Perennial herb

Acmispon nevadensis var. nevadensis Sierra Nevada lotus

native
Perennial herb

Acmispon dendroideus var. dendroideus Island broom

• rare native
Shrub

Lotus dendroideus var. dendroideus Island broom

• rare native
Shrub

Acmispon dendroideus var. traskiae San clemente island lotus

• rare native
Shrub

Acmispon dendroideus var. veatchii San miguel island deerweed

• rare native
Shrub

Acmispon denticulatus Toothed lotus

native
Annual herb

Acmispon glaber Deerweed

native
Perennial herb

Acmispon glaber var. brevialatus Short winged deerweed

native
Perennial herb

Acmispon glaber var. glaber Deerweed

native
Perennial herb

Lotus scoparius var. scoparius Deerweed

native
Perennial herb

Acmispon grandiflorus Large leaved lotus

native
Perennial herb

Acmispon grandiflorus var. grandiflorus Chaparral lotus

native
Perennial herb

Acmispon grandiflorus var. macranthus Mountain chaparral lotus

native
Perennial herb

Acmispon haydonii Pygmy lotus

• rare native
Perennial herb

Acmispon junceus Rush lotus

native
Perennial herb

Acmispon junceus var. biolettii Bioletti's rush lotus

native
Perennial herb

Acmispon junceus var. junceus Rush lotus

native
Perennial herb

Acmispon maritimus Coastal lotus

native
Annual herb

Acmispon maritimus var. brevivexillus Coastal lotus

native
Annual herb

Acmispon maritimus var. maritimus Coastal lotus

native
Annual herb

Lotus salsuginosus var. salsuginosus Coastal lotus

native
Annual herb

Acmispon micranthus Small flowered lotus

native
Annual herb

Lotus nevadensis Sierra lotus

native
Perennial herb

Lotus nevadensis var. nevadensis Sierra nevada lotus

native
Perennial herb

Acmispon parviflorus Hill lotus

native
Annual herb

Lotus micranthus Hill lotus

native
Annual herb

Acmispon procumbens Silky california broom

native
Perennial herb, Shrub

Lotus procumbens Silky california broom

native
Perennial herb, Shrub

Acmispon procumbens var. jepsonii Jepson's california broom

native
Perennial herb, Shrub

Acmispon procumbens var. procumbens Silky california broom

native
Perennial herb, Shrub

Acmispon prostratus Nuttall's acmispon

• rare native
Annual herb

Acmispon rigidus Shrubby Deervetch, Desert lotus

native
Perennial herb

Lotus rigidus Shrubby Deervetch, Desert lotus

native
Perennial herb

Acmispon rubriflorus Red-flowered bird's-foot trefoil

• rare native
Annual herb

Acmispon strigosus Strigose lotus

native
Annual herb

Lotus strigosus Strigose lotus

native
Annual herb

Lotus strigosus var. tomentellus Strigose lotus

native
Annual herb

Acmispon heermannii

native
Perennial herb

Acmispon heermannii var. heermannii

native
Perennial herb

Acmispon heermannii var. orbicularis

native
Perennial herb

Acmispon wrangelianus Wrangel lotus

native
Annual herb

Lotus wrangelianus Wrangel lotus

native
Annual herb

Aconitum columbianum Columbian monkshood, Monkshood

native
Perennial herb

Aconitum columbianum ssp. columbianum Columbian monkshood

native
Perennial herb

Aconitum columbianum ssp. viviparum Columbian monkshood

native
Perennial herb

Aconitum delphiniifolium Larkspurleaf monkshood

non-native
Perennial herb

Aconogonon davisiae Davis knotweed

native
Perennial herb

Polygonum davisiae Davis knotweed

native
Perennial herb

Aconogonon newberryi Newberry's smartweed

native
Perennial herb

Polygonum newberryi Newberry's smartweed

native
Perennial herb

Aconogonon phytolaccifolium Pokeweed knotweed

native
Perennial herb

Polygonum phytolaccifolium Pokeweed knotweed

native
Perennial herb

Acorus calamus Sweetflag

non-native
Perennial herb

ACORACEAE

Acourtia microcephala Sacapellote

native
Perennial herb

Actaea rubra baneberry, Western baneberry

native
Perennial herb

Actaea rubra ssp. arguta baneberry, Western baneberry

native
Perennial herb

Actaea rubra ssp. rubra baneberry, Western baneberry

native
Perennial herb

Cynoglossum grande Hound's tongue, Western houndstongue, Adelinia

native
Perennial herb

Adenocaulon bicolor American trailplant, Trail plant

native
Perennial herb

Adenophyllum cooperi Cooper dyssodia, Cooper's dogweed

native
Perennial herb

Adenophyllum porophylloides San Felipe dogweed, San Felipe dyssodia

native
Perennial herb

Adenostoma fasciculatum Chamise

native
Tree, Shrub

Adenostoma fasciculatum var. fasciculatum Chamise

native
Tree, Shrub

Adenostoma fasciculatum var. fasciculatum

Adenostoma fasciculatum var. obtusifolium San diego chamise

native
Tree, Shrub

Adenostoma fasciculatum var. obtusifolium

Adenostoma fasciculatum var. prostratum Prostrate chamise

native
Tree, Shrub

Adenostoma sparsifolium Red shanks

native
Tree

Adiantum aleuticum Five finger fern

native
Fern

Adiantum pedatum Five finger fern

native
Fern

Adiantum pedatum var. aleuticum Five finger fern

native
Fern

Adiantum capillus-veneris Venus hair

native
Fern

Adiantum hispidulum Rough maidenhair

non-native
Fern

Adiantum jordanii Adiantum, maiden hair fern

native
Fern

Adiantum raddianum Delta maidenhair

non-native
Fern

Adiantum shastense Shasta adiantum

• rare native
Fern

Adiantum Xtracyi

native
Fern

Adolphia californica California adolphia

• rare native
Shrub

Adonis aestivalis Summer pheasant's eye

non-native
Annual herb

Aegilops cylindrica Jointed goat grass, Jointed goatgrass

• invasive non-native
Annual grass

Aegilops geniculata Ovate goatgrass

• invasive non-native
Annual grass

Aegilops triuncialis Barbed goatgrass

• invasive non-native
Annual grass

Aeonium arboreum Tree aenium

non-native
Shrub

Aeonium arboreum var. holochrysum Tree aenium

non-native
Shrub

Aeonium haworthii Haworth's aeonium

non-native
Shrub

Aeschynomene rudis Red aeschynomene, Zigzag jointvetch

• invasive non-native
Annual, Perennial herb

Aesculus californica Buckeye, California buckeye, California horse chestnut

native
Tree

Aesculus hippocastanum Horse chestnut

non-native
Tree

Aesculus pavia Red buckeye

non-native
Tree

Agapanthus africanus Lily of the nile

non-native
Perennial herb

Agastache parvifolia Small leaved horsemint, Smallleaf giant hyssop

native
Perennial herb

Agastache urticifolia Horse mint, Horsemint giant hyssop, Nettle leaf giant hyssop

native
Perennial herb

Agastache urticifolia var. urticifolia Horse mint, Horsemint giant hyssop, Nettle leaf giant hyssop

native
Perennial herb

Agathis robusta Queensland kauri

non-native
Tree

Agave americana American century plant

non-native
Shrub

Agave americana var. albo American century plant

non-native
Shrub

Agave americana var. marginata American century plant

non-native
Shrub

Agave americana var. mediopicta American century plant

non-native
Shrub

Agave deserti Desert agave

native
Shrub

Agave deserti var. deserti Desert agave

native
Shrub

Agave deserti var. simplex Desert agave

native
Shrub

Agave shawii Coastal agave, Shaw's agave

native
Shrub

Agave shawii ssp. goldmaniana Coastal agave, Shaw's agave

native
Shrub

Agave shawii ssp. shawii Coastal agave, Shaw's agave

native
Shrub

Agave shawii var. goldmaniana Coastal agave, Shaw's agave

native
Shrub

Agave shawii var. sebastiana Coastal agave, Shaw's agave

native
Shrub

Agave shawii var. shawii Shaw's agave

• rare native
Shrub

Agave sisalana Sisal hemp

non-native
Perennial herb

Agave utahensis Clark mountain agave, Utah agave

native
Shrub

Agave utahensis ssp. nevadensis Clark mountain agave, Utah agave

native
Shrub

Agave utahensis var. eborispina Utah agave

• rare native
Shrub

Agave utahensis var. nevadensis Nevada agave

• rare native
Shrub

Ageratina adenophora Sticky snakeroot, Thoroughwort

• invasive non-native
Perennial herb

Ageratina herbacea Fragrant snakeroot

• rare native
Perennial herb

Ageratina occidentalis Western eupatorium, Western joepiweed, Western snakeroot

native
Perennial herb

Eupatorium occidentale Western eupatorium, Western joepiweed, Western snakeroot

native
Perennial herb

Ageratina shastensis Shasta ageratina, Shasta eupatorium

• rare native
Perennial herb

Ageratum conyzoides Tropical whiteweed

non-native
Annual, Perennial herb

Ageratum houstonianum Bluemink

non-native
Annual, Perennial herb

Agoseris apargioides Coast dandelion, Seaside agoseris, Woolly goat chicory

native
Perennial herb

Agoseris apargioides var. apargioides Coast dandelion, Seaside agoseris, Seaside dandelion

native
Perennial herb

Agoseris apargioides var. eastwoodiae Beach dandelion, Eastwood's seaside agoseris, Woolly goat chicory

native
Perennial herb

Agoseris apargioides var. maritima Woolly goat chicory

native
Perennial herb

Agoseris aurantiaca Orange agoseris, Orange flowered agoseris

native
Perennial herb

Agoseris aurantiaca var. aurantiaca Orange agoseris

native
Perennial herb

Agoseris glauca Pale dandelion, Short beaked agoseris

native
Perennial herb

Agoseris glauca var. glauca Pale agoseris, Short beaked agoseris

native
Perennial herb

Agoseris grandiflora Bigflower agoseris, California dandelion, Giant mountain dandelion

native
Perennial herb

Agoseris grandiflora var. grandiflora Giant mountain dandelion

native
Perennial herb

Agoseris grandiflora var. leptophylla Giant mountain dandelion

native
Perennial herb

Agoseris heterophylla Annual agoseris, Annual mountain dandelion

native
Annual herb

Agoseris heterophylla var. cryptopleura Mountain dandelion

native
Annual herb

Agoseris heterophylla var. heterophylla Annual agoseris

native
Annual herb

Agoseris hirsuta Woolly goat chicory

native
Perennial herb

Agoseris glauca var. dasycephala Mountain agoseris

native
Perennial herb

Agoseris glauca var. monticola Mountain agoseris

native
Perennial herb

Agoseris monticola Mountain agoseris

native
Perennial herb

Agoseris glauca var. laciniata False dandelion

native
Perennial herb

Agoseris parviflora False dandelion

native
Perennial herb

Agoseris retrorsa Spear leaved agoseris, Spearleaf agoseris, Spearleaf mountain dandelion

native
Perennial herb

Agrimonia gryposepala Common agrimony

native
Perennial herb

Agrimonia striata Roadside agrimony

native
Perennial herb

Agropyron cristatum Crested wheatgrass

non-native
Perennial grass

Agropyron cristatum ssp. pectinatum Crested wheatgrass

non-native
Perennial grass

Agrostemma githago Common corncockle

non-native
Annual, Perennial herb

Agrostis avenacea Pacific bentgrass

• invasive non-native
Perennial grass

Agrostis blasdalei Blasdale bentgrass, Blasdale's bent grass

• rare native
Perennial grass (rhizomatous)

Agrostis capillaris Colonial bentgrass

non-native
Perennial grass

Agrostis clivicola var. puntareyesensis California bent grass, California bentgrass, Point reyes bent grass

native
Perennial grass

Agrostis densiflora California bent grass, California bentgrass, Point reyes bent grass

native
Perennial grass

Agrostis elliottiana Elliott's bentgrass

native
Annual grass

Agrostis exarata Spike bentgrass, Spike redtop

native
Perennial grass

Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop

non-native
Perennial grass

Agrostis hallii Hall redtop, Hall's bent grass, Hall's bentgrass

native
Perennial grass

Agrostis hendersonii Henderson's bent grass, Henderson's bentgrass

• rare native
Annual grass

Agrostis hooveri Hoover's bent grass, Hoover's bentgrass

• rare native
Perennial grass

Agrostis humilis Mountain bent grass

• rare native
Perennial grass

Agrostis thurberiana Mountain bent grass

• rare native
Perennial grass

Agrostis idahoensis Colonial bentgrass, Idaho bentgrass

native
Perennial grass

Agrostis lacuna-vernalis Vernal pool bent grass

• rare native
Annual grass

Agrostis microphylla Little leaf bentgrass, Small leaf bentgrass, Small leaved bentgrass

native
Annual grass

Agrostis oregonensis Oregon bentgrass, Oregon redtop

native
Perennial grass

Agrostis pallens Leafy bent grass, Diego bent grass, Seashore bentgrass

native
Perennial grass

Agrostis scabra Rough bentgrass, Ticklegrass

native
Perennial grass

Agrostis stolonifera Creeping bentgrass, Redtop

• invasive non-native
Perennial grass

Agrostis tandilensis Kennedy's bentgrass

non-native
Annual grass

Agrostis variabilis Mountain bentgrass, Mountain redtop

native
Perennial grass

Ailanthus altissima Ailanthus, Tree of heaven

• invasive non-native
Tree

SIMAROUBACEAE

Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass

• invasive non-native
Annual grass

Aira praecox Yellow hairgrass

• invasive non-native
Annual grass

Ajuga pyramidalis Pyramid bugle

non-native
Perennial herb

Ajuga reptans Common bugle

non-native
Perennial herb

Albizia julibrissin Silktree

non-native
Tree, Shrub

Albizia lebbeck Woman's tongue

non-native
Tree, Shrub

Albizia lophantha Albizia, Plume acacia, Stink bean

non-native
Tree, Shrub

Alcea rosea Holly hock, Hollyhock

non-native
Perennial herb

Alcea rosea ssp. ficifolia Holly hock, Hollyhock

non-native
Perennial herb

Aleurites moluccana Indian walnut

non-native
Perennial herb

Alhagi maurorum Camel thorn

• invasive non-native
Shrub

Alhagi pseudalhagi Camel thorn

• invasive non-native
Shrub

Aliciella hutchinsifolia Desert pale gilia

native
Annual herb

Aliciella latifolia Broad leaf gilia

native
Annual herb

Aliciella latifolia ssp. latifolia Broadleaf gilia

native
Annual herb

Gilia latifolia ssp. latifolia Broadleaf gilia

native
Annual herb

Aliciella leptomeria Sand aliciella

native
Annual herb

Gilia leptomeria Sand aliciella

native
Annual herb

Aliciella lottiae Lott's gilia

native
Annual herb

Aliciella monoensis Mono gilia, Mono Lake aliciella

native
Annual herb

Gilia subacaulis Mono gilia, Mono Lake aliciella

native
Annual herb

Aliciella ripleyi Ripley's aliciella

• rare native
Perennial herb

Aliciella triodon Coyote gilia

• rare native
Annual herb

Gilia triodon Coyote gilia

• rare native
Annual herb

Alisma gramineum Grass leaf water plantain, Grasslike waterplantain

• rare native
Perennial herb

Alisma lanceolatum Lanceleaf water plantain

non-native
Perennial herb (aquatic)

Alisma plantago-aquatica Northern water plantain

native
Perennial herb (aquatic)

Alisma subcordatum Northern water plantain

native
Perennial herb (aquatic)

Alisma triviale Northern water plantain

native
Perennial herb (aquatic)

Allenrolfea occidentalis Iodine bush, Iodinebush

native
Shrub

Alliaria petiolata Garlic mustard

non-native
Annual, Biennial herb

Allionia incarnata Trailing allionia, Trailing four o'clock, Windmills

native
Perennial herb

Allionia incarnata var. glabra Trailing allionia, Trailing four o'clock, Windmills

native
Perennial herb

Allionia incarnata var. incarnata Trailing windmills

native
Perennial herb

Allionia incarnata var. villosa Trailing windmills

native
Annual, Perennial herb

Allium abramsii Abrams' allium, Abrams' onion

• rare native
Perennial herb (bulb)

Allium acuminatum Taper tipped onion, Tapertip onion

native
Perennial herb (bulb)

Allium amplectens Narrow leaved onion, Narrowleaf onion

native
Perennial herb (bulb)

Allium anceps Twin leaved onion, Twinleaf onion

native
Perennial herb (bulb)

Allium atrorubens Dark red onion, Darkred onion

native
Perennial herb (bulb)

Allium atrorubens var. cristatum Crested onion, Darkred onion, Wild onion

• rare native
Perennial herb (bulb)

Allium bisceptrum Twincrest onion

native
Perennial herb (bulb)

Allium bisceptrum var. bisceptrum Twincrest onion

native
Perennial herb (bulb)

Allium bolanderi Bolander's onion

native
Perennial herb (bulb)

Allium bolanderi var. bolanderi Bolander's onion

native
Perennial herb (bulb)

Allium bolanderi var. mirabile Bolander's onion

native
Perennial herb (bulb)

Allium burlewii Burlew's onion

native
Perennial herb (bulb)

Allium campanulatum Dusky onion, Sierra onion

native
Perennial herb (bulb)

Allium cepa Garden onion

non-native
Perennial herb (bulb)

Allium cernuum Nodding onion

non-native
Perennial herb (bulb)

Allium cratericola Cascade onion

native
Perennial herb (bulb)

Allium crispum Crinkled onion

native
Perennial herb (bulb)

Allium denticulatum Toothed onion, Toothed wild onion, Wild onion

native
Perennial herb (bulb)

Allium diabolense Diablo onion, Serpentine onion

native
Perennial herb (bulb)

Allium dichlamydeum Coast onion, Coastal onion

native
Perennial herb (bulb)

Allium falcifolium Scytheleaf onion, Sickle leaf onion

native
Perennial herb (bulb)

Allium fimbriatum Fringed onion, Wild onion

native
Perennial herb (bulb)

Allium fimbriatum var. fimbriatum Fringed onion

native
Perennial herb (bulb)

Allium fimbriatum var. mohavense Mojave fringed onion, Mojave onion

native
Perennial herb (bulb)

Allium fimbriatum var. purdyi Purdy's onion

• rare native
Perennial herb (bulb)

Allium haematochiton Red skinned onion, Redskin onion

native
Perennial herb (bulb)

Allium hickmanii Hickman's onion

• rare native
Perennial herb (bulb)

Allium hoffmanii Beegum onion

• rare native
Perennial herb (bulb)

Allium howellii Howell's onion

native
Perennial herb (bulb)

Allium howellii var. clokeyi Clokey's onion, Mt. pinos onion

• rare native
Perennial herb (bulb)

Allium howellii var. howellii Howell's onion

• rare native
Perennial herb (bulb)

Allium howellii var. sanbenitense San benito onion

• rare native
Perennial herb (bulb)

Allium hyalinum Glassy onion

native
Perennial herb (bulb)

Allium jepsonii Jepson's onion

• rare native
Perennial herb (bulb)

Allium lacunosum Pitted onion

native
Perennial herb (bulb)

Allium lacunosum ssp. lacunosum Pitted onion

native
Perennial herb (bulb)

Allium lacunosum var. davisiae Davis' pitted onion

native
Perennial herb (bulb)

Allium lacunosum var. kernense Kern onion, Kern's pitted onion

native
Perennial herb (bulb)

Allium lacunosum var. lacunosum Pitted onion

native
Perennial herb (bulb)

Allium lacunosum var. micranthum Small flowered pitted onion, White fringed onion

native
Perennial herb (bulb)

Allium lemmonii Lemmon's onion

native
Perennial herb (bulb)

Allium marvinii Yucaipa onion

• rare native
Perennial herb (bulb)

Allium membranaceum Papery onion

native
Perennial herb (bulb)

Allium monticola San bernardino mountain onion

native
Perennial herb (bulb)

Allium munzii Munz's onion

• rare native
Perennial herb (bulb)

Allium neapolitanum White garlic

non-native
Perennial herb (bulb)

Allium nevadense Nevada onion

• rare native
Perennial herb (bulb)

Allium obtusum Red sierra onion

native
Perennial herb (bulb)

Allium obtusum var. conspicuum Showy red sierra onion

native
Perennial herb (bulb)

Allium obtusum var. obtusum Red sierra onion

native
Perennial herb (bulb)

Allium paniculatum var. paniculatum Panicled onion

• invasive non-native
Perennial herb (bulb)

Allium parishii Parish's onion

• rare native
Perennial herb (bulb)

Allium parryi Parry's fringed onion

native
Perennial herb (bulb)

Allium parvum Dwarf onion, Small onion

native
Perennial herb (bulb)

Allium peninsulare Mexicali onion

native
Perennial herb (bulb)

Allium peninsulare var. franciscanum San francisco bay onion, San francisco onion

• rare native
Perennial herb (bulb)

Allium peninsulare var. peninsulare Mexicali onion, Penisula onion

native
Perennial herb (bulb)

Allium platycaule Broad stemmed onion, Broadstemmed onion, Flat stemmed onion

native
Perennial herb (bulb)

Allium porrum Garden leek

non-native
Perennial herb (bulb)

Allium praecox Early onion

native
Perennial herb (bulb)

Allium sanbornii Sanborn's onion

native
Perennial herb (bulb)

Allium sanbornii var. congdonii Congdon's onion

• rare native
Perennial herb (bulb)

Allium sanbornii var. sanbornii Sanborn's allium, Sanborn's onion

• rare native
Perennial herb (bulb)

Allium sativum Cultivated garlic

non-native
Perennial herb (bulb)

Allium serra Jeweled onion

native
Perennial herb (bulb)

Allium sharsmithiae Sharsmith's onion

• rare native
Perennial herb (bulb)

Allium shevockii Spanish needle onion

• rare native
Perennial herb (bulb)

Allium siskiyouense Siskiyou onion

• rare native
Perennial herb (bulb)

Allium tolmiei Tolmie's onion

native
Perennial herb (bulb)

Allium tolmiei var. tolmiei Tolm's onion, Tolmei's onion

native
Perennial herb (bulb)

Allium tribracteatum Three bracted onion, Threebract onion

• rare native
Perennial herb (bulb)

Allium triquetrum Three cornered leek, Threecorner leek, White flowered onion

• invasive non-native
Perennial herb (bulb)

Allium tuolumnense Rawhide hill onion

• rare native
Perennial herb (bulb)

Allium unifolium One leaf onion, Oneleaf onion

native
Perennial herb (bulb)

Allium validum Pacific mountain onion, Pacific onion, Swamp onion

native
Perennial herb (bulb)

Allium vineale Vineyard onion, Wild garlic

• invasive non-native
Perennial herb (bulb)

Allium vineale ssp. vineale Vineyard onion, Wild garlic

• invasive non-native
Perennial herb (bulb)

Allium yosemitense Yosemite onion

• rare native
Perennial herb (bulb)

Allophyllum divaricatum Purple false gilia, Purple false gilyflower, Straggling gilia

native
Annual herb

Allophyllum gilioides Dense false gilia, Dense false gilyflower

native
Annual herb

Allophyllum gilioides ssp. gilioides Dense false gilia, Dense false gilyflower

native
Annual herb

Allophyllum gilioides ssp. violaceum Dense false gilia, Dense false gilyflower

native
Annual herb

Allophyllum glutinosum Sticky false gilia, Sticky false gilyflower

native
Annual herb

Allophyllum integrifolium White allophyllum, White false gilia, White false gilyflower

native
Annual herb

Allotropa virgata Candystriped allotropa, Sugar stick, Sugarstick

native
Perennial herb (mycoparasitic)

Almutaster pauciflorus Alkali marsh aster

• rare native
Perennial herb

Alnus cordata Italian alder

non-native
Tree

Alnus incana Gray alder

native
Tree, Shrub

Alnus incana ssp. incana Gray alder

native
Tree, Shrub

Alnus incana ssp. rugosa Gray alder

native
Tree, Shrub

Alnus incana ssp. tenuifolia Creek alder, Mountain alder

native
Tree, Shrub

Alnus tenuifolia Creek alder, Mountain alder

native
Tree, Shrub

Alnus rhombifolia White alder

native
Tree

Alnus rubra Oregon alder, Red alder

native
Tree, Shrub

Alnus viridis Green alder

native
Tree, Shrub

Alnus viridis ssp. crispa Green alder

native
Tree, Shrub

Alnus viridis ssp. sinuata Sitka alder

native
Tree, Shrub

Aloe maculata

non-native
Perennial herb

ASPHODELACEAE

Alopecurus aequalis Short awned foxtail, Sonoma alopecurus, Water foxtail

native
Perennial grass

Alopecurus aequalis var. aequalis Shortawn foxtail

native
Perennial grass

Alopecurus aequalis var. sonomensis Sonoma alopecurus, Sonoma shortawn foxtail

• rare native
Perennial grass

Alopecurus carolinianus Carolina foxtail

native
Annual grass

Alopecurus geniculatus Marsh foxtail, Water foxtail

native
Perennial grass

Alopecurus pratensis Meadow foxtail

• invasive non-native
Perennial grass

Alopecurus saccatus Pacific foxtail

native
Annual grass

Aloysia triphylla Lemon beebrush

non-native
Shrub

Aloysia wrightii Oreganillo, Vera dulce, Wright lippia

• rare native
Shrub

Alsia californica California alsia moss

non-native
Moss

LEUCODONTACEAE

Alternanthera philoxeroides Alligator weed, Alligatorweed

• invasive non-native
Perennial herb

Alternanthera sessilis Sessile joyweed

non-native
Perennial herb

Alyogyne huegelii Blue hibiscus

non-native

Alyssum alyssoides Pale alyssum, Small alyssum, Sweet alyssum

non-native
Annual herb

Alyssum desertorum Desert alyssum, Desert madwort

non-native
Annual herb

Alyssum simplex Alyssum

non-native
Annual herb

Amaranthus albus Pigweed amaranth, Tumbleweed

non-native
Annual herb

Amaranthus arenicola Sandhill amaranth

non-native
Annual herb

Amaranthus blitoides Mat amaranth, Prostrate amaranth, Prostrate pigweed

native
Annual herb

Amaranthus blitoides var. crassior Mat amaranth, Prostrate amaranth, Prostrate pigweed

native
Annual herb

Amaranthus blitum Purple amaranth

non-native
Annual herb

Amaranthus blitum ssp. emarginatus Purple amaranth

non-native
Annual herb

Amaranthus lividus Purple amaranth

non-native
Annual herb

Amaranthus californicus California amaranth, California pigweed

native
Annual herb

Amaranthus caudatus Quilete

non-native
Annual herb

Amaranthus cruentus Red amaranth

non-native
Annual herb

Amaranthus paniculatus Red amaranth

non-native
Annual herb

Amaranthus deflexus Amaranth, Large fruited amaranth, Largefruit amaranth

non-native
Annual herb

Amaranthus fimbriatus Fringed amaranth

native
Annual herb

Amaranthus hybridus Slender pigweed, Slim amaranth

non-native
Annual herb

Amaranthus palmeri Carelessweed, Palmer's amaranth

native
Annual herb

Amaranthus powellii Powell's amaranth

native
Annual herb

Amaranthus retroflexus Green amaranth, Red root pigweed, Red rooted amaranth

non-native
Annual herb

Amaranthus torreyi Sandhill amaranth

native
Annual herb

Amaranthus tricolor Joseph's-coat

non-native
Annual herb

Amaranthus tuberculatus var. rudis Common waterhemp

non-native
Annual herb

Amaranthus watsonii Watson's amaranth

• rare native
Annual herb

Amaryllis belladonna Belladonna lily

non-native
Perennial herb

Thelypteris nevadensis Nevada marsh fern

native
Fern

THELYPTERIDACEAE

Amblyopappus pusillus Amblyopappus, Dwarf coastweed, Pineapple weed

native
Annual herb

Ambrosia acanthicarpa Annual bursage, Annual burweed

native
Annual herb

Ambrosia ambrosioides Ambrosia bursage, Ambrosia leaved burbush

native
Perennial herb

Ambrosia artemisiifolia Annual ragweed, Common ragweed, Low ragweed

non-native
Annual herb

Ambrosia chamissonis Beach bur, Silver beachweed

native
Perennial herb

Ambrosia chenopodiifolia San diego bur sage, San diego bursage

• rare native
Shrub

Ambrosia confertiflora Weak leaved burweed, Weakleaf burr ragweed

native
Perennial herb

Ambrosia dumosa Burro weed, Burrobush, White bursage

native
Shrub

Ambrosia dumosa var. hybrid Burro weed, Burrobush, White bursage

native
Shrub

Ambrosia dumosa var. hymenoclea Burro weed, Burrobush, White bursage

native
Shrub

Ambrosia eriocentra Woolly bur sage, Wooly bursage

native
Shrub

Ambrosia ilicifolia Holly leaved burbush, Hollyleaf bursage

native
Shrub

Ambrosia monogyra Singlewhorl burrobrush

• rare native
Shrub

Hymenoclea monogyra Singlewhorl burrobrush

• rare native
Shrub

Ambrosia psilostachya Ragweed, Western ragweed

native
Perennial herb

Ambrosia pumila Ragweed, San diego ambrosia, San diego ragweed

• rare native
Perennial herb (rhizomatous)

Ambrosia salsola Cheesebrush, Burrobrush

native
Shrub

Hymenoclea salsola Cheesebrush, Burrobrush

native
Shrub

Hymenoclea salsola var. hybrid Cheesebrush, Burrobrush

native
Shrub

Ambrosia salsola var. pentalepis Five scaled burrobrush

native
Shrub

Ambrosia salsola var. salsola Burrobrush

native
Shrub

Hymenoclea salsola var. salsola Burrobrush

native
Shrub

Ambrosia trifida Giant ragweed

• invasive non-native
Annual herb

Ambrosia trifida var. trifida Giant ragweed

• invasive non-native
Annual herb

Ambrosia Xplatyspina

native
Perennial herb

Amelanchier alnifolia Saskatoon serviceberry, Service berry

native
Shrub

Amelanchier alnifolia var. cusickii Saskatoon serviceberry, Service berry

native
Shrub

Amelanchier alnifolia var. pumila Dwarf service berry, Glabrous serviceberry

native
Shrub

Amelanchier pumila Dwarf service berry, Glabrous serviceberry

native
Shrub

Amelanchier alnifolia var. semiintegrifolia Pacific serviceberry, Service berry

native
Shrub

Amelanchier alnifolia var. semiintegrifolia

Amelanchier pallida Pale serviceberry, Pallid serviceberry, Sarvis

native
Shrub

Amelanchier utahensis Pale leaved serviceberry, Service berry, Utah service berry

native
Shrub

Amelanchier utahensis var. utahensis Pale leaved serviceberry, Service berry, Utah service berry

native
Shrub

Cassiope mertensiana var. mertensiana Coville's serviceberry

native
Shrub

Ammannia coccinea Purple ammannia, Red ammannia

native
Annual herb

Ammannia robusta Grand ammania, Grand redstem

native
Annual herb

Ammi majus Bishop's weed, Large bullwort

non-native
Annual, Biennial herb

Ammi visnaga Bisnaga, Toothpickweed

non-native
Annual, Biennial herb

Ammophila arenaria Beachgrass, European beach grass, European beachgrass

• invasive non-native
Perennial grass

Ammophila breviligulata ssp. breviligulata American beach grass, American beachgrass

non-native
Perennial grass

Ammophila breviligulata ssp. breviligulata

Ammoselinum giganteum Desert sand parsley, Desert umbel

native
Annual herb

Amorpha californica California false indigo, False indigo, Mock locust

native
Shrub

Amorpha californica var. californica California false indigo

native
Shrub

Amorpha californica var. napensis Indigo bush, Napa false indigo

• rare native
Shrub

Amorpha canescens Leadplant

non-native
Shrub

Amorpha fruticosa Desert indigobush, Western false indigo

native
Shrub

Ampelopsis brevipedunculata Amur peppervine

non-native
Perennial herb, Vine

Amphibromus nervosus Common swamp wallaby grass

non-native
Perennial grass

Amphipappus fremontii Chaffbush, Fremont's chaff bush

native
Shrub

Amphipappus fremontii var. fremontii Fremont's chaff bush

native
Shrub

Amphipappus fremontii var. spinosus Spiny fremont's chaffbush

native
Shrub

Amphiscirpus nevadensis Great basin bulrush

native
Perennial grasslike herb

Amsinckia douglasiana Douglas' fiddleneck

• rare native
Annual herb

Amsinckia eastwoodiae Eastwood's fiddleneck

native
Annual herb

Amsinckia furcata Forked fiddleneck

• rare native
Annual herb

Amsinckia vernicosa var. furcata Forked fiddleneck

• rare native
Annual herb

Amsinckia grandiflora Large flowered fiddleneck, Largeflowered fiddleneck

• rare native
Annual herb

Amsinckia echinata Common fiddleneck

native
Annual herb

Amsinckia intermedia Common fiddleneck

native
Annual herb

Amsinckia menziesii var. intermedia Common fiddleneck

native
Annual herb

Amsinckia lunaris Bent flowered fiddleneck, Bentflower fiddleneck

• rare native
Annual herb

Amsinckia glomerata Bugloss fiddleneck, Tarweed fiddleneck

native
Annual herb

Amsinckia lycopsoides Bugloss fiddleneck, Tarweed fiddleneck

native
Annual herb

Amsinckia straminea Bugloss fiddleneck, Tarweed fiddleneck

native
Annual herb

Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck

native
Annual herb

Amsinckia menziesii var. menziesii Menzies' fiddleneck, Small flowered fiddleneck

native
Annual herb

Amsinckia retrorsa Rigid fiddleneck

native
Annual herb

Amsinckia spectabilis Seaside amsinckia, Seaside fiddleneck, Woolly breeches

native
Annual herb

Amsinckia spectabilis var. microcarpa Small fruit seaside fiddleneck

native
Annual herb

Amsinckia spectabilis var. spectabilis Seaside fiddleneck

native
Annual herb

Amsinckia tessellata Bristly fiddleneck, Checker fiddleneck, Devil's lettuce

native
Annual herb

Amsinckia tessellata var. gloriosa Bristly fiddleneck, Large flowered devil's fiddleneck

native
Annual herb

Amsinckia tessellata var. tessellata Bristly fiddleneck, Devil's lettuce

native
Annual herb

Amsinckia vernicosa Green fiddleneck

native
Annual herb

Plagiobothrys kingii Great Basin popcornflower

native
Annual herb

Plagiobothrys kingii var. harknessii Northern Great Basin popcornflower

native
Annual herb

Amsonia tomentosa Gray amsonia, Woolly amsonia, Woolly bluestar

native
Perennial herb

Amsonia tomentosa var. stenophylla Gray amsonia, Woolly amsonia, Woolly bluestar

native
Perennial herb

Amsonia tomentosa var. tomentosa Gray amsonia, Woolly amsonia, Woolly bluestar

native
Perennial herb

Anaphalis margaritacea Pearly everlasting

native
Perennial herb

Anchusa azurea Blue alkanet, Italian bugloss

non-native
Perennial herb

Anchusa italica Blue alkanet, Italian bugloss

non-native
Perennial herb

Anchusa officinalis Alkanet, Common bugloss

non-native
Perennial herb

Ancistrocarphus filagineus False neststraw, Woolly fishhooks

native
Annual herb

Ancistrocarphus keilii Santa ynez groundstar

• rare native
Annual herb

Cynoglossum occidentale Western hound's tongue

native
Perennial herb

Andropogon glomeratus Bushy bluestem

native
Perennial grass

Andropogon glomeratus var. scabriglumis Bushy beardgrass, Southwestern bushy bluestem

native
Perennial grass

Andropogon virginicus Broomsedge bluestem

non-native
Perennial grass

Andropogon virginicus var. virginicus Broomsedge bluestem

non-native
Perennial grass

Androsace elongata ssp. acuta California androsace, California rockjasmine

• rare native
Annual herb

Androsace occidentalis Western rockjasmine

native
Annual herb

Androsace septentrionalis Pygmyflower rockjasmine

native
Annual, Perennial herb

Androsace septentrionalis ssp. subulifera Pygmyflower rockjasmine

native
Annual, Perennial herb

Androsace septentrionalis ssp. subulifera

Androstephium breviflorum Pink funnel lily, Small flowered androstephium

• rare native
Perennial herb (bulb)

Anelsonia eurycarpa Broad podded phoenicaulis, Daggerpod

native
Perennial herb

Anemone coronaria Lilies-of-the-field

non-native
Perennial herb

Anemone deltoidea Columbian windflower

native
Perennial herb

Anemone drummondii Drummond's anemone

native
Perennial herb

Anemone drummondii var. lithophila Drummond's anemone

native
Perennial herb

Anemone drummondii var. drummondii Drummond's anemone

native
Perennial herb

Anemone grayi Blue windflower

native
Perennial herb

Anemone lyallii Little mountain thimbleweed

native
Perennial herb

Anemone multifida Pacific anemone

native
Perennial herb

Anemone multifida ssp. multifida Pacific anemone

native
Perennial herb

Anemone multifida var. multifida Pacific anemone

• rare native
Perennial herb

Anemone occidentalis Western anemone, Western pasque flower

native
Perennial herb

Pulsatilla occidentalis Western anemone, Western pasque flower

native
Perennial herb

Anemone oregana Blue windflower, Oregon anemone, Western wood anenome

native
Perennial herb

Anemone quinquefolia Blue windflower, Oregon anemone, Western wood anenome

native
Perennial herb

Anemone oregana var. oregana Blue windflower

native
Perennial herb

Anemone tuberosa Tuber anemone

native
Perennial herb

Anemopsis californica Yerba mansa

native
Perennial herb

SAURURACEAE

Anethum graveolens Dill

non-native
Annual herb

Angelica archangelica Norwegian angelica

non-native
Perennial herb

Angelica arguta Lyall's angelica

native
Perennial herb

Angelica breweri Brewer's angelica

native
Perennial herb

Angelica californica California angelica

native
Perennial herb

Angelica callii Call's angelica

• rare native
Perennial herb

Angelica capitellata Ranger's Buttons, Swamp White Heads

native
Perennial herb

Sphenosciadium capitellatum Ranger's Buttons, Swamp White Heads

native
Perennial herb

Angelica genuflexa Kneeling angelica

native
Perennial herb

Angelica hendersonii Coast angelica, Henderson's angelica

native
Perennial herb

Angelica kingii King's angelica

• rare native
Perennial herb

Angelica lineariloba Poison angelica

native
Perennial herb

Angelica lucida Seacoast angelica, Angelica, Wild celery

• rare native
Perennial herb

Angelica tomentosa Woolly angelica

native
Perennial herb

Anisocarpus madioides Woodland madia

native
Perennial herb

Madia madioides Woodland madia

native
Perennial herb

Anisocarpus scabridus Scabrid alpine tarplant

• rare native
Perennial herb

Anisocoma acaulis Scale bud, Scalebud

native
Annual herb

Annona cherimola Cherimoya

non-native
Shrub

ANNONACEAE

Anoda cristata Violettas

non-native
Annual herb

Anomobryum julaceum Slender silver moss

• rare native
Moss

BRYACEAE

Anredera cordifolia Mignonette vine

non-native
Perennial herb, Vine

BASELLACEAE

Antennaria argentea Silver pussytoes, Silvery everlasting, Silvery pussytoes

native
Perennial herb

Antennaria corymbosa Flat top pussytoes, Meadow pussytoes, Meadowpussytoes

native
Perennial herb

Antennaria dimorpha Gray cushion pussytoes, Low pussytoes

native
Perennial herb

Antennaria dioica Stoloniferous pussytoes

non-native
Perennial herb

Antennaria flagellaris Stoloniferous pussy toes, Stoloniferous pussytoes

• rare native
Perennial herb

Antennaria geyeri Geyer's pussytoes, Mountain pussytoes

native
Perennial herb

Antennaria howellii Howell's pussytoes

native
Perennial herb

Antennaria howellii ssp. canadensis Howell's pussytoes

native
Perennial herb

Antennaria howellii ssp. howellii Howell's pussytoes

native
Perennial herb

Antennaria lanata Woolly pussy toes

native
Perennial herb

Antennaria luzuloides Rush pussytoes, Silvery brown pussytoes

native
Perennial herb

Antennaria luzuloides ssp. luzuloides Rush pussytoes

native
Perennial herb

Antennaria marginata White margined pussytoes, Whitemargin pussytoes

• rare native
Perennial herb

Antennaria alpina Alpine pussytoes, Rocky mountain pussytoes

native
Perennial herb

Antennaria media Alpine pussytoes, Rocky mountain pussytoes

native
Perennial herb

Antennaria stenophylla Alpine pussytoes, Rocky mountain pussytoes

native
Perennial herb

Antennaria microphylla Littleleaf pussytoes

native
Perennial herb

Antennaria parvifolia Small leaf pussytoes

native
Perennial herb

Antennaria pulchella Beautiful pussy toes, Beautiful pussytoes

• rare native
Perennial herb

Antennaria racemosa Raceme pussytoes, Racemose pussytoes

native
Perennial herb

Antennaria rosea Rose pussytoes, Rosy everlasting, Rosy pussytoes

native
Perennial herb

Antennaria rosea ssp. confinis Rosy pussytoes

native
Perennial herb

Antennaria rosea ssp. rosea Rosy pussytoes

native
Perennial herb

Antennaria sawyeri Sawyer's pussy-toes

• rare native
Perennial herb

Antennaria suffrutescens Evergreen everlasting, Evergreen pussytoes

• rare native
Perennial herb

Antennaria umbrinella Brown pussytoes, Umbrinella pussytoes

native
Perennial herb

Anthemis arvensis Corn chamomile

non-native
Annual herb

Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile

• invasive non-native
Annual herb

Anthoceros fusiformis Hornwort

non-native
Hornwort

ANTHOCEROTACEAE

Anthoxanthum aristatum Annual vernal grass, Annual vernalgrass

non-native
Annual grass

Anthoxanthum aristatum ssp. aristatum Annual vernal grass

non-native
Annual grass

Anthoxanthum nitens ssp. nitens Vanilla grass

• rare native
Perennial grass (rhizomatous)

Hierochloe odorata Vanilla grass

• rare native
Perennial grass (rhizomatous)

Anthoxanthum occidentale Califonria sweet grass, Vanilla grass

native
Perennial grass

Hierochloe occidentalis Califonria sweet grass, Vanilla grass

native
Perennial grass

Anthoxanthum odoratum Sweet vernal grass, Sweet vernalgrass

• invasive non-native
Annual, Perennial grass

Anthriscus caucalis Bur chervil

non-native
Annual herb, Vine

Anthyllis vulneraria Common kidneyvetch

non-native
Perennial herb

Anthyllis vulneraria ssp. rubiflora Common kidneyvetch

non-native
Perennial herb

Anthyllis vulneraria ssp. vulneraria Common kidneyvetch

non-native
Perennial herb

Mohavea confertiflora Ghost flower

native
Perennial herb

Antirrhinum cornutum Spurred snapdragon

native
Annual herb

Antirrhinum coulterianum Coulter snapdragon, Coulter's snapdragon

native
Annual herb

Antirrhinum filipes Tangled snapdragon, Twining snapdragon

native
Annual herb

Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon

native
Annual herb

Antirrhinum kingii King's snapdragon

native
Annual herb

Antirrhinum leptaleum Spurred snapdragon

native
Annual herb

Antirrhinum majus Common snapdragon, Garden snapdragon

non-native
Annual, Perennial herb

Mohavea breviflora Golden desert snapdragon

native
Perennial herb

Antirrhinum nuttallianum Island snapdragon, Nuttall's snapdragon

native
Annual, Perennial herb

Antirrhinum nuttallianum ssp. nuttallianum Nuttall's snapdragon

native
Annual, Perennial herb

Antirrhinum nuttallianum ssp. nuttallianum

Antirrhinum nuttallianum ssp. subsessile Nuttall's snapdragon

native
Annual, Perennial herb

Antirrhinum nuttallianum ssp. subsessile

Antirrhinum orontium Syrian snapdragon

non-native
Annual herb

Misopates orontium Syrian snapdragon

non-native
Annual herb

Antirrhinum ovatum Oval leaved snapdragon

• rare native
Annual herb

Antirrhinum subcordatum Dimorphic snapdragon

• rare native
Annual herb

Antirrhinum multiflorum

native
Perennial herb

Antirrhinum vexillo-calyculatum Wiry snapdragon

native
Annual herb

Antirrhinum vexillo-calyculatum ssp. breweri Wiry snapdragon

native
Annual herb

Antirrhinum vexillo-calyculatum ssp. breweri

Antirrhinum vexillocalyculatum Wiry snapdragon

native
Annual herb

Antirrhinum vexillocalyculatum var. vexillocalyculatum Wiry snapdragon

native
Annual herb

Antirrhinum vexillocalyculatum var. vexillocalyculatum

Antirrhinum vexillocalyculatum ssp. breweri Wiry snapdragon

native
Annual herb

Antirrhinum vexillocalyculatum ssp. intermedium Wiry snapdragon

native
Annual herb

Antirrhinum vexillocalyculatum ssp. intermedium

Antirrhinum vexillocalyculatum ssp. vexillocalyculatum Wiry snapdragon

native
Annual herb

Antirrhinum vexillocalyculatum ssp. vexillocalyculatum

Antirrhinum virga Tall snapdragon

• rare native
Perennial herb

Anulocaulis annulatus Valley ringstem

native
Perennial herb

Apera interrupta Dense silky bent, Dense silkybent

non-native
Annual grass

Aphanes arvensis Western lady's mantle

native
Annual, Perennial herb

Aphanes occidentalis Western lady's mantle

native
Annual, Perennial herb

Aphanisma blitoides Aphanisma

• rare native
Annual herb

Orobanche californica California orobanche

native
Perennial herb (parasitic)

Aphyllon californicum ssp. californicum Broomrape

native
Perennial herb (parasitic)

Orobanche californica ssp. californica Broomrape

native
Perennial herb (parasitic)

Orobanche californica ssp. feudgei California broomrape

native
Perennial herb (parasitic)

Orobanche californica ssp. grandis California broomrape

native
Perennial herb (parasitic)

Orobanche californica ssp. grayana Gray's california broom rape

native
Perennial herb (parasitic)

Orobanche californica ssp. jepsonii Jepson's california broom rape

native
Perennial herb (parasitic)

Aphyllon cooperi Burroweed strangler

native
Perennial herb (parasitic)

Orobanche cooperi Burroweed strangler

native
Perennial herb (parasitic)

Orobanche ludoviciana var. cooperi Burroweed strangler

native
Perennial herb (parasitic)

Orobanche corymbosa Flat topped broom rape

native
Annual herb

Aphyllon epigalium

Annual herb

Aphyllon epigalium ssp. epigalium Galium broomrape

Annual herb

Aphyllon fasciculatum Clustered broomrape

native
Perennial herb (parasitic)

Orobanche fasciculata Clustered broomrape

native
Perennial herb (parasitic)

Aphyllon parishii ssp. brachylobum Short lobed broom rape

native
Perennial herb (parasitic)

Orobanche parishii ssp. parishii Parish broomrape

native
Perennial herb (parasitic)

Orobanche pinorum Pinewoods broom rape

native
Perennial herb (parasitic)

Aphyllon purpureum Purple broomrape

native
Annual herb

Orobanche purpurea Purple broomrape

Annual herb

Orobanche uniflora Purple broomrape

Annual herb

Orobanche uniflora var. purpurea Purple broomrape

Annual herb

Aphyllon robbinsii

Annual herb

Orobanche bulbosa Chaparral broomrape

native
Perennial herb (parasitic)

Orobanche vallicola Valley broom rape

native
Annual herb

Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley

native
Annual herb

Apium graveolens Smallage, Garden celery

non-native
Annual, Biennial herb

Apium nodiflorum European marshwort, Smallage

non-native
Perennial herb

Apocynum androsaemifolium Bitter dogbane, Spreading dogbane

native
Perennial herb

Apocynum cannabinum Indian hemp, Indianhemp dogbane, HEMP DOGBANE

native
Perennial herb

Aponogeton distachyos Cape pondweed

non-native
Perennial herb

APONOGETONACEAE

Aptenia cordifolia Baby sun rose, Dew plant

non-native
Perennial herb

Aquilegia eximia Serpentine columbine, Sticky columbine, Van Houtte's columbine

native
Perennial herb

Aquilegia formosa Crimson columbine, Sitka columbine, Western columbine

native
Perennial herb

Aquilegia formosa ssp. truncata Crimson columbine, Sitka columbine, Western columbine

native
Perennial herb

Aquilegia pubescens Sierra columbine

native
Perennial herb

Aquilegia shockleyi Desert columbine

native
Perennial herb

Aquilegia vulgaris European columbine

non-native
Perennial herb

Arabidopsis thaliana Arabidopsis, Mouse ear, Mouseear cress

non-native
Annual herb

Arabis aculeolata Waldo rock cress, Waldo rockcress

• rare native
Perennial herb

Arabis blepharophylla Coast rock cress

• rare native
Perennial herb

Arabis cusickii Cusick's rockcress

non-native
Perennial herb

Arabis eschscholtziana Eschscholtz's hairy rockcress

native
Perennial herb

Arabis hirsuta var. glabrata Eschscholtz's hairy rockcress

native
Perennial herb

Arabis holboellii Holboell's rock cress, Holboell's rockcress

native
Perennial herb

Arabis mcdonaldiana Mcdonald's rock cress

• rare native
Perennial herb

Arabis modesta Modest rock cress

• rare native
Perennial herb

Arabis oregana Oregon rock cress, Oregon rockcress

• rare native
Perennial herb

Arabis hirsuta Creamflower rockcress

native
Perennial herb

Arabis pycnocarpa var. pycnocarpa Hairy fruit rock cress

native
Perennial herb

Aralia californica California spikenard, Elk's clover, Elkclover

native
Perennial herb

Araucaria bidwillii Bunya bunya

non-native
Tree

Araucaria columnaris New caledonia pine

non-native
Tree

Araucaria cunninghamii Moreton bay pine

non-native
Tree

Araucaria heterophylla Norfolk island pine

non-native
Tree

Araujia sericifera Bladderflower

• invasive non-native
Perennial herb, Vine

Arbutus menziesii Madrono, Pacific madrone

native
Tree

Arbutus unedo Strawberry tree

non-native
Tree

Arceuthobium americanum American dwarf mistletoe, Lodgepole dwarf mistletoe, Lodgepole pine dwarf mistletoe

native
Perennial herb (parasitic)

Arceuthobium campylopodum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

Arceuthobium divaricatum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

Arceuthobium occidentale Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

Arceuthobium douglasii Douglas dwarf mistletoe, Douglas's dwarf mistletoe

native
Perennial herb (parasitic)

Arctium lappa Great burdock, Greater burdock

non-native
Perennial herb

Arctium minus Common burdock, Lesser burdock, Small burdock

non-native
Perennial herb

Arctomecon californica California bearpoppy

non-native
Perennial herb

Arctomecon merriamii Desert poppy, White bear poppy

• rare native
Perennial herb

Arctostaphylos andersonii Heartleaf manzanita, Santa cruz manzanita

• rare native
Shrub

Arctostaphylos auriculata Mount Diablo manzanita

• rare native
Shrub

Arctostaphylos bakeri Baker's manzanita

native
Shrub

Arctostaphylos bakeri ssp. bakeri Baker's manzanita

• rare native
Shrub

Arctostaphylos bakeri ssp. sublaevis The cedars manzanita

• rare native
Shrub

Arctostaphylos canescens Hoary manzanita

native
Shrub

Arctostaphylos canescens ssp. canescens Hoary manzanita

native
Shrub

Arctostaphylos canescens ssp. sonomensis Rincon manzanita, Sonoma manzanita

native
Shrub

Arctostaphylos canescens ssp. sonomensis

Arctostaphylos catalinae Santa catalina island manzanita

• rare native
Shrub

Arctostaphylos columbiana Hairy manzanita, Redwood manzanita

native
Tree, Shrub

Arctostaphylos confertiflora Santa rosa island manzanita

• rare native
Shrub

Arctostaphylos crustacea Brittle leaf manzanita

native
Shrub

Arctostaphylos crustacea ssp. crinita Crinite manzanita

native
Shrub

Arctostaphylos tomentosa ssp. crinita Crinite manzanita

native
Shrub

Arctostaphylos crustacea ssp. crustacea Brittle leaf manzanita

native
Shrub

Arctostaphylos crustacea ssp. eastwoodiana Eastwood's brittle-leaf manzanita

• rare native
Shrub

Arctostaphylos crustacea ssp. eastwoodiana

Arctostaphylos crustacea ssp. rosei Rose's manzanita

native
Shrub

Arctostaphylos crustacea ssp. subcordata Santa cruz island manzanita

• rare native
Shrub

Arctostaphylos crustacea ssp. subcordata

Arctostaphylos tomentosa ssp. subcordata Santa cruz island manzanita

• rare native
Shrub

Arctostaphylos tomentosa ssp. subcordata

Arctostaphylos cruzensis Arroyo de la cruz manzanita, La cruz manzanita

• rare native
Shrub

Arctostaphylos densiflora Vine hill manzanita

• rare native
Shrub

Arctostaphylos edmundsii Little sur manzanita

• rare native
Shrub

Arctostaphylos franciscana Franciscan manzanita

• rare native
Shrub

Arctostaphylos hookeri ssp. franciscana Franciscan manzanita

• rare native
Shrub

Arctostaphylos gabilanensis Gabilan mountains manzanita

• rare native
Shrub

Arctostaphylos glandulosa ssp. adamsii Adams' manzanita

native
Shrub

Arctostaphylos glandulosa ssp. crassifolia Costa baja manzanita, Del mar manzanita

• rare native
Shrub

Arctostaphylos glandulosa ssp. crassifolia

Arctostaphylos glandulosa Cushing manzanita

native
Shrub

Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita

native
Shrub

Arctostaphylos glandulosa ssp. cushingiana

Arctostaphylos glandulosa ssp. gabrielensis San gabriel manzanita

• rare native
Shrub

Arctostaphylos glandulosa ssp. gabrielensis

Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita, Eastwood's manzanita

native
Shrub

Arctostaphylos glandulosa ssp. glandulosa

Arctostaphylos glandulosa ssp. zacaensis Eastwood manzanita, Eastwood's manzanita

native
Shrub

Arctostaphylos glandulosa ssp. zacaensis

Arctostaphylos glandulosa ssp. mollis Eastwood's manzanita, Transverse range manzanita

native
Shrub

Arctostaphylos glauca Big berry manzanita, Bigberry manzanita

native
Tree, Shrub

Arctostaphylos glutinosa Schreiber's manzanita

• rare native
Shrub

Arctostaphylos hispidula Howell's manzanita

• rare native
Shrub

Arctostaphylos hookeri Hooker's manzanita, Raven's manzanita

native
Tree, Shrub

Arctostaphylos hookeri ssp. hearstiorum Hearst's manzanita

• rare native
Tree, Shrub

Arctostaphylos hookeri ssp. hookeri Hooker's manzanita, Monterey manzanita

• rare native
Shrub

Arctostaphylos hooveri Hoover's manzanita

• rare native
Shrub

Arctostaphylos imbricata San bruno mountain manzanita, San bruno mtn. manzanita

• rare native
Shrub

Arctostaphylos insularis Island manzanita

native
Shrub

Arctostaphylos klamathensis Klamath manzanita

• rare native
Shrub

Arctostaphylos luciana Santa lucia manzanita

• rare native
Shrub

Arctostaphylos malloryi Balaklala manzanita, Mallory's manzanita

• rare native
Shrub

Arctostaphylos manzanita Common manzanita

native
Shrub

Arctostaphylos manzanita ssp. elegans Konocti manzanita

• rare native
Shrub

Arctostaphylos manzanita ssp. glaucescens White leaf common manzanita, Whiteleaf manzanita

native
Shrub

Arctostaphylos manzanita ssp. glaucescens

Arctostaphylos manzanita ssp. laevigata Contra costa manzanita

• rare native
Shrub

Arctostaphylos manzanita ssp. manzanita Common Manzanita

native
Shrub

Arctostaphylos manzanita ssp. roofii Roof's manzanita

native
Shrub

Arctostaphylos manzanita ssp. wieslanderi Wieslander's manzanita

native
Shrub

Arctostaphylos manzanita ssp. wieslanderi

Arctostaphylos mewukka Indian manzanita

native
Shrub

Arctostaphylos pastillosa Indian manzanita

native
Shrub

Arctostaphylos mewukka ssp. mewukka Indian manzanita

native
Shrub

Arctostaphylos mewukka ssp. truei True's manzanita

• rare native
Shrub

Arctostaphylos montana Mt. tamalpais manzanita

native
Shrub

Arctostaphylos hookeri ssp. montana Mt. Tamalpais manzanita

• rare native
Shrub

Arctostaphylos montana ssp. montana Mt. Tamalpais manzanita

• rare native
Shrub

Arctostaphylos montana ssp. ravenii Presidio manzanita

• rare native
Shrub

Arctostaphylos montaraensis Montara manzanita

• rare native
Shrub

Arctostaphylos montereyensis Monterey manzanita, Toro manzanita

• rare native
Shrub

Arctostaphylos morroensis Morro manzanita

• rare native
Shrub

Arctostaphylos myrtifolia Ione manzanita

• rare native
Shrub

Arctostaphylos nevadensis Pine mat manzanita, Pinemat manzanita

native
Shrub

Arctostaphylos nevadensis ssp. nevadensis Pine-mat manzanita

native
Shrub

Arctostaphylos nevadensis ssp. nevadensis

Arctostaphylos nissenana Eldorado manzanita, Nissenan manzanita

• rare native
Shrub

Arctostaphylos nortensis Del norte manzanita

• rare native
Shrub

Arctostaphylos nummularia Glossy leaved manzanita, Glossyleaf manzanita, Shatterberry

native
Shrub

Arctostaphylos mendocinoensis Pygmy manzanita

• rare native
Shrub

Arctostaphylos nummularia ssp. mendocinoensis Pygmy manzanita

• rare native
Shrub

Arctostaphylos nummularia ssp. mendocinoensis

Arctostaphylos nummularia ssp. nummularia Shatterberry

native
Shrub

Arctostaphylos nummularia ssp. nummularia

Arctostaphylos obispoensis Bishop manzanita, Serpentine manzanita

• rare native
Shrub

Arctostaphylos ohloneana Ohlone manzanita

• rare native
Shrub

Arctostaphylos osoensis Oso manzanita

• rare native
Shrub

Arctostaphylos otayensis Otay manzanita

• rare native
Shrub

Arctostaphylos pacifica Pacific manzanita

• rare native
Shrub

Arctostaphylos pajaroensis Pajaro manzanita

• rare native
Shrub

Arctostaphylos pallida Alameda manzanita, Oakland hills manzanita, Pallid manzanita

• rare native
Shrub

Arctostaphylos parryana Parry manzanita

native
Shrub

Arctostaphylos parryana ssp. desertica Desert manzanita

native
Shrub

Arctostaphylos parryana ssp. parryana Parry manzanita

native
Shrub

Arctostaphylos patula Green leaf manzanita, Greenleaf manzanita

native
Shrub

Arctostaphylos pechoensis Pecho manzanita

• rare native
Shrub

Arctostaphylos pilosula La panza manzanita, Santa Margarita manzanita

• rare native
Shrub

Arctostaphylos pringlei Pringle manzanita

native
Shrub

Arctostaphylos pringlei ssp. drupacea Pink bracted manzanita, Pinkbracted manzanita

native
Shrub

Arctostaphylos pumila Dune manzanita, Sandmat manzanita

• rare native
Shrub

Arctostaphylos pungens Mexican manzanita, Pointleaf manzanita

native
Tree, Shrub

Arctostaphylos purissima La purisima manzanita, La purissima manzanita

• rare native
Shrub

Arctostaphylos rainbowensis Rainbow manzanita

• rare native
Shrub

Arctostaphylos refugioensis Refugio manzanita

• rare native
Shrub

Arctostaphylos regismontana Kings mountain manzanita, Kings mtn. manzanita

• rare native
Shrub

Arctostaphylos rudis Sand mesa manzanita, Shagbark manzanita

• rare native
Shrub

Arctostaphylos sensitiva Glossyleaf manzanita

native
Shrub

Arctostaphylos silvicola Bonny doon manzanita, Silverleaf manzanita

• rare native
Shrub

Arctostaphylos stanfordiana Stanford's manzanita

native
Tree, Shrub

Arctostaphylos stanfordiana ssp. decumbens Rincon manzanita

• rare native
Shrub

Arctostaphylos stanfordiana ssp. decumbens

Arctostaphylos stanfordiana ssp. raichei Raiche's manzanita

• rare native
Shrub

Arctostaphylos stanfordiana ssp. raichei

Arctostaphylos stanfordiana ssp. stanfordiana Stanford manzanita, Stanford's manzanita

native
Tree, Shrub

Arctostaphylos stanfordiana ssp. stanfordiana

Arctostaphylos tomentosa Woolly leaf manzanita, Woollyleaf manzanita

native
Shrub

Arctostaphylos tomentosa ssp. bracteosa Bristly twig manzanita, Woollyleaf manzanita

native
Shrub

Arctostaphylos tomentosa ssp. daciticola Dacite manzanita

• rare native
Shrub

Arctostaphylos tomentosa ssp. daciticola

Arctostaphylos tomentosa ssp. tomentosa Woolly leaf manzanita, Woollyleaf manzanita

native
Shrub

Arctostaphylos uva-ursi Bearberry manzanita, Kinnikinnick

native
Shrub

Arctostaphylos virgata Bolinas manzanita, Marin manzanita

• rare native
Shrub

Arctostaphylos viridissima Mcminn's manzanita, White haired manzanita

• rare native
Shrub

Arctostaphylos viscida Sticky whiteleaf manzanita

native
Tree, Shrub

Arctostaphylos viscida ssp. mariposa Mariposa manzanita

native
Tree, Shrub

Arctostaphylos viscida ssp. pulchella Sticky whiteleaf manzanita, White leaf manzanita

native
Tree, Shrub

Arctostaphylos viscida ssp. viscida Smooth white leaf manzanita, Sticky whiteleaf manzanita

native
Tree, Shrub

Arctostaphylos Xhelleri Hybrid manzanita

native
Shrub

Arctostaphylos media Hybrid manzanita

native
Tree, Shrub

Arctotheca calendula Cape weed

• invasive non-native
Annual, Perennial herb

Arctotheca prostrata prostrate cape weed, creeping capeweed

• invasive non-native
Annual, Perennial herb

Arctotis grandis Blue eyed african daisy

non-native
Perennial herb

Arctotis stoechadifolia Blue-eyed african daisy

non-native
Perennial herb

Arctotis venusta Blue-eyed african daisy

non-native
Perennial herb

Arenaria lanuginosa var. saxosa Rock sandwort

• rare native
Perennial herb

Arenaria paludicola Marsh sandwort

• rare native
Perennial herb

Arenaria leptoclados Thymeleaf sandwort

non-native
Annual herb

Arenaria serpyllifolia var. serpyllifolia Thymeleaf sandwort

non-native
Annual herb

Arenaria serpyllifolia var. serpyllifolia

Argemone corymbosa Leafy prickly poppy, Mohave prickly poppy, Mojave pricklypoppy

native
Perennial herb

Argemone mexicana Mexican pricklypoppy

non-native
Annual, Perennial herb

Argemone munita Chicalote, Prickly poppy

native
Annual, Perennial herb

Argemone munita ssp. rotundata Chicalote, Prickly poppy

native
Annual, Perennial herb

Argyranthemum foeniculaceum Canary island marguerite, Dill daisy

non-native
Perennial herb

Argyranthemum frutescens Marguerite

non-native
Perennial herb

Argyrochosma jonesii Jones' false cloak fern

native
Fern

Argyrochosma limitanea Southwestern false cloak fern

native
Fern (rhizomatous)

Arisaema triphyllum Jack in the pulpit

non-native
Perennial herb

Aristida adscensionis Six weeks three awn, Sixweeks threeawn

native
Annual grass

Aristida californica California threeawn

native
Perennial grass

Aristida dichotoma Churchmouse threeawn

non-native
Annual grass

Aristida divaricata Poverty three awn, Spreading threeawn

native
Perennial grass

Aristida oligantha Oldfield three awn, Prairie threeawn

native
Annual grass

Aristida purpurea Purple three awn, Purple threeawn

native
Perennial grass

Aristida purpurea var. fendleriana Fendler three awn, Fendler's threeawn

native
Perennial grass

Aristida purpurea var. longiseta Red three awn

native
Perennial grass

Aristida purpurea var. nealleyi Nealley three awn, Reverchon three awn

native
Perennial grass

Aristida purpurea var. parishii Parish three awn, Parish's threeawn

native
Perennial grass

Aristida purpurea var. purpurea Purple three awn, Purple threeawn

native
Perennial grass

Aristida purpurea var. wrightii Wright three awn, Wright's threeawn

native
Perennial grass

Aristida ternipes var. gentilis Spidergrass

native
Perennial grass

Aristocapsa insignis Indian valley spine flower, Indian valley spineflower

• rare native
Annual herb

Aristolochia californica California pipe vine, California pipevine, Dutchman's pipe

native
Vine, Shrub

Armeria maritima Thrift seapink

native
Perennial herb

Armeria maritima ssp. andina Thrift seapink

native
Perennial herb

Armeria maritima ssp. sibirica Thrift seapink

native
Perennial herb

Armeria maritima ssp. californica California sea pink, California seapink, Sea pink or thrift

native
Perennial herb

Armoracia rusticana Horseradish

non-native
Perennial herb

Arnica cernua Serpentine arnica

• rare native
Perennial herb (rhizomatous)

Arnica chamissonis Chamisso arnica

native
Perennial herb

Arnica cordifolia Heart leaved arnica, Heartleaf arnica

native
Perennial herb

Arnica dealbata Mock leopardbane

native
Perennial herb

Arnica discoidea Rayless arnica

native
Perennial herb

Arnica fulgens Foothill arnica, Hillside arnica

• rare native
Perennial herb (rhizomatous)

Arnica lanceolata Clasping arnica

native
Perennial herb

Arnica amplexicaulis Clasping arnica

native
Perennial herb

Arnica lanceolata ssp. prima Clasping arnica

native
Perennial herb

Arnica latifolia Broadleaf arnica, Mountain arnica

native
Perennial herb

Arnica longifolia Longleaf arnica, Seep spring arnica

native
Perennial herb

Arnica mollis Cordilleran arnica, Cordillerean anica, Hairy arnica

native
Perennial herb

Arnica nevadensis Nevada arnica, Sierra arnica

native
Perennial herb

Arnica ovata Sticky leaf arnica

native
Perennial herb

Arnica parryi Nodding arnica, Parry's arnica

native
Perennial herb

Arnica sororia Soro arnica, Twin arnica

native
Perennial herb (rhizomatous)

Arnica spathulata Klamath arnica

• rare native
Perennial herb (rhizomatous)

Arnica venosa Shasta county arnica, Veiny arnica

• rare native
Perennial herb (rhizomatous)

Arnica viscosa Mt. shasta arnica

• rare native
Perennial herb (rhizomatous)

Arrhenatherum elatius Tall oatgrass

non-native
Perennial grass

Artemisia abrotanum Southernwood

non-native
Shrub

Artemisia absinthium Absinthium

non-native
Shrub

Artemisia annua Sweet annie

non-native
Annual herb

Artemisia arbuscula Black sagebrush, Low sagebrush

native
Shrub

Artemisia arbuscula ssp. arbuscula Dwarf sagebrush, Little sagebrush, Low sagebrush

native
Shrub

Artemisia arbuscula ssp. longicaulis Little sagebrush

native
Shrub

Artemisia arbuscula ssp. longiloba Little sagebrush

native
Shrub

Artemisia arbuscula ssp. thermopola Little sagebrush, Warm springs low sagebrush

native
Shrub

Artemisia biennis Biennial sagewort

non-native
Annual, Perennial herb

Artemisia bigelovii Bigelow sagebrush, Flat sagebrush

native
Shrub

Artemisia borealis ssp. richardsoniana Boreal sage

native
Perennial herb

Artemisia borealis ssp. borealis Boreal sage

native
Perennial herb

Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush

native
Shrub

Artemisia campestris Field sagewort

native
Perennial herb

Artemisia campestris ssp. caudata Field sagewort

native
Perennial herb

Artemisia campestris var. borealis Field sagewort

native
Perennial herb

Artemisia cana Silver sagebrush

native
Shrub

Artemisia cana ssp. bolanderi Bolander silver sagebrush, Bolander's silver sagebrush

native
Shrub

Artemisia douglasiana California mugwort, Douglas' sagewort

native
Perennial herb

Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon

native
Perennial herb

Artemisia filifolia Sand sagebrush

non-native
Shrub

Artemisia ludoviciana Mugwort, Silver wormwood

native
Perennial herb

Artemisia ludoviciana ssp. albula Silver wormwood, White mugwort, White sagebrush

native
Perennial herb

Artemisia ludoviciana ssp. candicans Gray mugwort, White sagebrush

native
Perennial herb

Artemisia ludoviciana ssp. incompta Mountain mugwort, Western mugwort, White sagebrush

native
Perennial herb

Artemisia ludoviciana ssp. ludoviciana Silver wormwood, White sagebrush

native
Perennial herb

Artemisia michauxiana Lemon sagewort, Michally sagewort

native
Perennial herb

Artemisia nesiotica Island sage brush, Island sagebrush

• rare native
Shrub

Artemisia norvegica ssp. saxatilis Boreal sagewort, Mountain sage

native
Perennial herb

Artemisia norvegica var. saxatilis Boreal sagewort, Mountain sage

native
Perennial herb

Artemisia nova Black sagebrush

native
Shrub

Artemisia palmeri San diego sagewort

• rare native
Shrub

Artemisia pycnocephala Beach sagewort, Coastal sagewort

native
Perennial herb

Artemisia rothrockii Rothrock sagebrush

native
Shrub

Artemisia spiciformis Snowfield sagebrush

native
Perennial herb

Artemisia spinescens Bud sage, Budsage

native
Shrub

Picrothamnus desertorum Bud sage, Budsage

native
Shrub

Artemisia suksdorfii Coastal mugwort

native
Perennial herb

Artemisia tridentata Big sagebrush, Common sagebrush

native
Shrub

Artemisia tridentata ssp. tridentata Basin big sagebrush

native
Shrub

Artemisia tridentata ssp. vaseyana Mountain big sagebrush, Mountain sagebrush

native
Shrub

Artemisia tridentata var. vaseyana Mountain big sagebrush, Mountain sagebrush

native
Shrub

Artemisia tridentata ssp. wyomingensis Wyoming big sagebrush, Wyoming sagebrush

native
Shrub

Artemisia tripartita Threetip sagebrush

native
Shrub

Artemisia tripartita ssp. tripartita Threetip sagebrush

• rare native
Shrub

Artemisia vulgaris Common wormwood

non-native
Perennial herb, Shrub

Arthrocnemum subterminale Parish's glasswort

native
Perennial herb

Salicornia subterminalis Parish's glasswort

native
Perennial herb

Arum italicum Italian lords and ladies

non-native
Perennial herb

Arum italicum ssp. italicum Italian lords and ladies

non-native
Perennial herb

Arum palaestinum Solomon's lily

non-native
Perennial herb

Aruncus dioicus goatsbeard

native
Perennial herb

Aruncus dioicus var. vulgaris goatsbeard

native
Perennial herb

Aruncus dioicus var. acuminatus goatsbeard

native
Perennial herb

Arundo donax Giant reed

• invasive non-native
Perennial grass

Arundo donax var. donax Giant reed

• invasive non-native
Perennial grass

Asarum caudatum Creeping wild ginger, Longtail wild ginger

native
Perennial herb

Asarum hartwegii Hartweg's wild ginger, Hartweg's wildginger, Wild ginger

native
Perennial herb

Asarum lemmonii Lemmon's wild ginger, Lemmon's wildginger

native
Perennial herb

Asarum marmoratum Marbled wild ginger, Marbled wildginger

• rare native
Perennial herb (rhizomatous)

Asclepias albicans White stemmed milkweed, Whitestem milkweed

native
Shrub

Asclepias asperula Spider milkweed

native
Perennial herb

Asclepias asperula ssp. capricornu Spider milkweed

native
Perennial herb

Asclepias asperula ssp. asperula Antelope horns, Spider milkweed

• rare native
Perennial herb

Asclepias californica California milkweed

native
Perennial herb

Asclepias cordifolia Heart leaf milkweed, Heartleaf milkweed, Purple milkweed

native
Perennial herb

Asclepias cryptoceras Dwarf milkweed, Humboldt mountains milkweed, Pallid milkweed

native
Perennial herb

Asclepias cryptoceras ssp. davisii Dwarf milkweed, Humboldt mountains milkweed, Pallid milkweed

native
Perennial herb

Asclepias curassavica Blood flower, Bloodflower, tropical milkweed

non-native
Perennial herb

Asclepias eriocarpa Indian milkweed, Kotolo milkweed, Woolypod milkweed

native
Perennial herb

Asclepias erosa Desert milkweed

native
Perennial herb

Asclepias fascicularis Narrow leaf milkweed

native
Perennial herb

Asclepias fruticosa African milkweed

non-native
Perennial herb

Asclepias latifolia Broadleaf milkweed

native
Shrub

Asclepias linaria Needle leaf milkweed, Pineneedle milkweed

non-native
Perennial herb, Shrub

Asclepias nummularia Tufted milkweed

non-native
Shrub

Asclepias nyctaginifolia Mojave milkweed

• rare native
Perennial herb

Asclepias purpurascens Purple milkweed

non-native
Shrub

Asclepias solanoana Serpentine milkweed, Solanoa

• rare native
Perennial herb

Asclepias speciosa Showy milkweed

native
Perennial herb

Asclepias subulata Ajamete, Rush milkweed, Skeleton milkweed

native
Perennial herb

Asclepias tuberosa Butterfly milkweed

non-native
Shrub

Asclepias tuberosa ssp. tuberosa Butterfly milkweed

non-native
Shrub

Asclepias tuberosa ssp. interior Butterfly milkweed

non-native
Shrub

Asclepias verticillata Whorled milkweed

non-native
Shrub

Asclepias vestita Milkweed, Woolly milkweed

native
Perennial herb

Ascophyllum nodosum Yellow tang

non-native
seaweed

FUCACEAE

Asparagus aethiopicus

non-native
Perennial herb

Asparagus densiflorus

non-native
Perennial herb

Asparagus asparagoides African asparagus fern

• invasive non-native
Vine

Asparagus officinalis Garden asparagus

non-native
Perennial herb

Asparagus officinalis ssp. officinalis Garden asparagus

non-native
Perennial herb

Asparagus setaceus Common asparagus fern

non-native
Perennial herb

Asperugo procumbens German madwort

non-native
Annual herb

Asphodelus fistulosus Asphodel, Onionweed

• invasive non-native
Perennial herb

ASPHODELACEAE

Aspidotis californica California lace fern, California lacefern

native
Fern

Aspidotis carlotta-halliae Carlotta hall's lace fern

• rare native
Fern (rhizomatous)

Aspidotis densa Cliffbrake, Lace fern

native
Fern

Asplenium septentrionale Northern spleenwort

• rare native
Fern (rhizomatous)

Asplenium trichomanes spleenwort

native
Fern (rhizomatous)

Asplenium trichomanes ssp. densum spleenwort

native
Fern (rhizomatous)

Asplenium trichomanes ssp. inexpectans spleenwort

native
Fern (rhizomatous)

Asplenium trichomanes ssp. trichomanes spleenwort

• rare native
Fern (rhizomatous)

Asplenium vespertinum Western spleenwort

• rare native
Fern

Asplenium trichomanes-ramosum Green spleenwort

• rare native
Fern (rhizomatous)

Asplenium viride Green spleenwort

• rare native
Fern (rhizomatous)

Aster novae-angliae New england aster

non-native
Perennial herb

Astragalus accidens var. hendersonii Henderson's milk vetch, Henderson's milkvetch

native
Perennial herb

Astragalus acutirostris Beaked rattle weed, Keel beak, Sharpkeel milkvetch

native
Annual herb

Astragalus agnicidus Humboldt milk vetch, Humboldt milkvetch, Humboldt County Milkvetch

• rare native
Perennial herb

Astragalus agrestis Purple loco weed

• rare native
Perennial herb

Astragalus albens Cushenbury milk vetch, Cushenbury milkvetch

• rare native
Perennial herb

Astragalus allochrous var. playanus Halfmoon milkvetch, Playa milk vetch

• rare native
Perennial herb

Astragalus andersonii Anderson's milkvetch, Anderson's rattle weed

native
Perennial herb

Astragalus anxius Troubled milk vetch, Troubled milkvetch

• rare native
Perennial herb

Astragalus argophyllus var. martinii Silverleaf milkvetch

native
Perennial herb

Astragalus argophyllus var. argophyllus Silver leaf milk vetch, Silverleaf milkvetch

• rare native
Perennial herb

Astragalus aridus Annual desert milk vetch, Annual desert milkvetch

native
Annual herb

Astragalus asymmetricus San joaquin milk vetch, San joaquin milkvetch

native
Perennial herb

Astragalus atratus Mourning milkvetch

native
Perennial herb

Astragalus atratus var. atratus Mourning milkvetch

native
Perennial herb

Astragalus atratus var. mensanus Darwin mesa milk vetch, Darwin mesa milkvetch

• rare native
Perennial herb

Astragalus austiniae Austin's milk vetch, Austin's milkvetch

• rare native
Perennial herb

Astragalus bernardinus San bernardino milk vetch, San bernardino milkvetch

• rare native
Perennial herb

Astragalus bicristatus Crested milk vetch, Twogrooved loco milkvetch

• rare native
Perennial herb

Astragalus bolanderi Bolander's milk vetch, Bolander's milkvetch

native
Perennial herb

Astragalus brauntonii Braunton's milk vetch, Braunton's milkvetch

• rare native
Perennial herb

Astragalus breweri Brewer's milk vetch, Brewer's milkvetch

• rare native
Annual herb

Astragalus californicus Klamath basin milkvetch, Klamath milk vetch

native
Perennial herb

Astragalus calycosus Torrey's milkvetch

native
Perennial herb

Astragalus calycosus var. monophyllidius Torrey's milkvetch

native
Perennial herb

Astragalus calycosus var. monophyllidius

Astragalus calycosus var. calycosus Torrey's milk vetch, Torrey's milkvetch

native
Perennial herb

Astragalus canadensis Canadian milkvetch

native
Perennial herb

Astragalus canadensis var. brevidens Short toothed milk vetch, Shorttooth canadian milkvetch

native
Perennial herb

Astragalus casei Case's milk vetch, Case's milkvetch

native
Perennial herb

Astragalus cicer Cicer milkvetch

non-native
Perennial herb

Astragalus cimae var. cimae Cima milk vetch, Cima milkvetch

• rare native
Perennial herb

Astragalus cimae var. sufflatus Bladdery cima milk vetch, Cima milkvetch

• rare native
Perennial herb

Astragalus claranus Clara Hunt's milk vetch

• rare native
Annual herb

Astragalus clevelandii Cleveland's milk vetch, Cleveland's milkvetch

• rare native
Perennial herb

Astragalus coccineus Scarlet locoweed, Scarlet milk vetch, Scarlet milkvetch

native
Perennial herb

Astragalus congdonii Congdon's milk vetch, Congdon's milkvetch

native
Perennial herb

Astragalus crotalariae Salton milk vetch, Salton milkvetch

• rare native
Perennial herb

Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch

native
Perennial herb

Astragalus curvicarpus Curvepod milkvetch

native
Perennial herb

Astragalus curvicarpus var. curvicarpus Coiled locoweed, Curved pod milk vetch, Curvepod milkvetch

native
Perennial herb

Astragalus deanei Dean's milk vetch, Deane's milkvetch

• rare native
Perennial herb

Astragalus didymocarpus Dwarf white milk vetch, Two seeded milkvetch

native
Annual herb

Astragalus didymocarpus var. didymocarpus Common dwarf milkvetch, Dwarf white milkvetch, Two seeded milk vetch

native
Annual herb

Astragalus didymocarpus var. didymocarpus

Astragalus didymocarpus var. dispermus Dwarf white milk vetch, Dwarf white milkvetch, Notch leaved locoweed

native
Annual herb

Astragalus didymocarpus var. milesianus Dwarf white milkvetch, Miles' milk vetch

• rare native
Annual herb

Astragalus didymocarpus var. obispoensis San luis obispo milk vetch, San obispo milkvetch

native
Annual herb

Astragalus didymocarpus var. obispoensis

Astragalus douglasii Douglas's milkvetch

native
Perennial herb

Astragalus douglasii var. douglasii Douglas's milkvetch

native
Perennial herb

Astragalus douglasii var. parishii Parish's milk vetch

native
Perennial herb

Astragalus douglasii var. perstrictus Jacumba milk vetch, Jacumba milkvetch

• rare native
Perennial herb

Astragalus ertterae Walker pass milk vetch, Walker pass milkvetch

• rare native
Perennial herb

Astragalus filipes Narrow pod locoweed, Stipate milkvetch, Tangled milk vetch

native
Perennial herb

Astragalus funereus Black milk vetch, Black milkvetch

• rare native
Perennial herb

Astragalus gambelianus Dwarf loco weed, Gambel's dwarf milk vetch, Gambel's locoweed

native
Annual herb

Astragalus gambelianus var. elmeri Dwarf loco weed, Gambel's dwarf milk vetch, Gambel's locoweed

native
Annual herb

Astragalus geyeri var. triquetrus Geyer's milkvetch

native
Annual herb

Astragalus geyeri var. geyeri Geyer's milk vetch, Geyer's milkvetch

• rare native
Annual herb

Astragalus gibbsii Gibbs locoweed, Gibbs' milk vetch, Gibbs' milkvetch

native
Perennial herb

Astragalus gilmanii Gilman's milk vetch, Gilman's milkvetch

• rare native
Perennial herb

Astragalus hornii var. hornii Horn's milk vetch

• rare native
Annual herb

Astragalus insularis var. harwoodii Harwood's milk vetch, Harwood's milkvetch

• rare native
Annual herb

Astragalus inversus Susanville milk vetch, Susanville milkvetch

• rare native
Perennial herb

Astragalus inyoensis Inyo milk vetch, Inyo milkvetch

• rare native
Perennial herb

Astragalus iodanthus var. diaphanoides Snake milkvetch

• rare native
Perennial herb

Astragalus iodanthus var. iodanthus Humboldt river milk vetch, Humboldt river milkvetch

native
Perennial herb

Astragalus jaegerianus Lane mountain milkvetch, Lane mtn. milk vetch

• rare native
Perennial herb

Astragalus johannis-howellii Long valley milk vetch, Long valley milkvetch

• rare native
Perennial herb

Astragalus kentrophyta Kentrophyta milkvetch, Spiny milk vetch

native
Perennial herb

Astragalus kentrophyta var. jessiae Kentrophyta milkvetch, Spiny milk vetch

native
Perennial herb

Astragalus kentrophyta var. danaus Sweetwater mountains milkvetch, Sweetwater mtns. milk vetch

• rare native
Perennial herb

Astragalus kentrophyta var. elatus Spiny leaved milk vetch, Spiny leaved milkvetch

• rare native
Perennial herb

Astragalus kentrophyta ssp. implexus Mat milk vetch, Mat milkvetch

native
Perennial herb

Astragalus kentrophyta var. tegetarius Mat milk vetch, Mat milkvetch

native
Perennial herb

Astragalus kentrophyta var. ungulatus Spiny milkvetch

• rare native
Perennial herb

Astragalus layneae Layne locoweed, Layne's milk vetch, Widow's milkvetch

native
Perennial herb

Astragalus lemmonii Lemmon's milk vetch, Lemmon's milkvetch

• rare native
Perennial herb

Astragalus lentiformis Lens pod milk vetch, Lens pod milkvetch

• rare native
Perennial herb

Astragalus lentiginosus Freckled milk vetch, Rattle pod, Specklepod loco milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus ssp. fremontii Freckled milk vetch, Rattle pod, Specklepod loco milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. kennedyi Freckled milk vetch, Rattle pod, Specklepod loco milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. latus Freckled milk vetch, Rattle pod, Specklepod loco milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. antonius San antonio milk vetch, San antonio milkvetch

• rare native
Perennial herb

Astragalus lentiginosus var. borreganus Borrego milk vetch, Borrego milkvetch

• rare native
Annual herb

Astragalus lentiginosus var. coachellae Coachella valley milk vetch, Coachella valley milkvetch

• rare native
Annual herb

Astragalus lentiginosus var. fremontii Fremont's milk vetch, Fremont's milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. idriensis Freckled milkvetch, New idria milk vetch

native
Annual, Perennial herb

Astragalus lentiginosus var. ineptus Freckled milkvetch, Fumbling milk vetch

native
Annual, Perennial herb

Astragalus lentiginosus var. kernensis Kern plateau milk vetch, Kern plateau milkvetch

• rare native
Perennial herb

Astragalus lentiginosus var. lentiginosus Freckled milk vetch, Freckled milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. lentiginosus

Astragalus lentiginosus var. micans Shining milk vetch, Shining milkvetch

• rare native
Perennial herb

Astragalus lentiginosus var. nigricalycis Black hair milk vetch, Freckled milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. nigricalycis

Astragalus lentiginosus var. piscinensis Fish slough milk vetch, Fish slough milkvetch

• rare native
Perennial herb

Astragalus lentiginosus var. piscinensis

Astragalus lentiginosus var. salinus Sagebrush milk vetch, Salty loco milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. semotus Freckled milkvetch, White mountains milk vetch

native
Annual, Perennial herb

Astragalus lentiginosus var. sesquimetralis Mono locoweed, Sodaville milk vetch

• rare native
Perennial herb

Astragalus lentiginosus var. sesquimetralis

Astragalus lentiginosus var. sierrae Bear valley milkvetch, Big bear valley milk vetch

• rare native
Perennial herb

Astragalus lentiginosus var. variabilis Dapple pod locoweed, Freckled milk vetch, Freckled milkvetch

native
Annual, Perennial herb

Astragalus leucolobus Big bear valley woollypod

• rare native
Perennial herb

Astragalus macrodon Salinas milk vetch, Salinas milkvetch

• rare native
Perennial herb

Astragalus magdalenae Satiny milkvetch

native
Perennial herb

Astragalus magdalenae var. niveus Satiny milkvetch

native
Perennial herb

Astragalus magdalenae var. peirsonii Peirson's milk vetch, Peirsons locoweed

• rare native
Perennial herb

Astragalus malacus Shaggy milk vetch, Shaggy milkvetch

native
Perennial herb

Astragalus miguelensis San miguel island milk vetch, San miguel island milkvetch, San miguel milkvetch

• rare native
Perennial herb

Astragalus minthorniae Minthorn's milkvetch

native
Perennial herb

Astragalus minthorniae var. villosus Minthorn's milk vetch, Minthorn's milkvetch

native
Perennial herb

Astragalus mohavensis Mohave locoweed, Mojave milk vetch, Mojave milkvetch

native
Annual, Perennial herb

Astragalus mohavensis var. hemigyrus Curved pod milk vetch, Mojave milkvetch

• rare native
Annual herb

Astragalus mohavensis var. mohavensis Mojave milk vetch, Mojave milkvetch

native
Annual, Perennial herb

Astragalus monoensis Mono milk vetch, Mono milkvetch

• rare native
Perennial herb

Astragalus nevinii San clemente island milk vetch, San clemente island milkvetch

• rare native
Perennial herb

Astragalus newberryi Newberry's milkvetch

native
Perennial herb

Astragalus newberryi var. escalantinus Newberry's milkvetch

native
Perennial herb

Astragalus newberryi var. castoreus Newberry's milkvetch

native
Perennial herb

Astragalus newberryi var. newberryi Newberry's milk vetch, Newberry's milkvetch

native
Perennial herb

Astragalus nutans Lax flowered locoweed, Providence Mountain milkvetch

• rare native
Annual herb

Astragalus nuttallianus Nuttall locoweed, Small flowered milk vetch, Smallflowered milkvetch

native
Annual herb

Astragalus nuttallianus var. cedrosensis Cedros milk vetch, Turkeypeas

native
Annual herb

Astragalus nuttallianus var. cedrosensis

Astragalus nuttallianus var. imperfectus Turkey peas, Turkeypeas

native
Annual herb

Astragalus nuttallianus var. imperfectus

Astragalus nuttallii Loco weed, Nuttall's milkvetch, Ocean bluff milk vetch

native
Perennial herb

Astragalus nuttallii var. nuttallii Nuttall's milkvetch, Ocean bluff milk vetch

• rare native
Perennial herb

Astragalus nuttallii var. virgatus Nuttall's milkvetch, Ocean bluff milk vetch, San francisco rattleweed

native
Perennial herb

Astragalus nyensis Nye milk-vetch

• rare native
Annual herb

Astragalus obscurus Arcane milkvetch, Basalt milk vetch

native
Perennial herb

Astragalus oocarpus San diego milk vetch, San diego milkvetch

• rare native
Perennial herb

Astragalus oophorus var. lavinii Lavin's milk vetch, Lavin's milkvetch

• rare native
Perennial herb

Astragalus oophorus var. oophorus Bladder milk vetch, Egg milkvetch

• rare native
Perennial herb

Astragalus oxyphysus Stanislaus milkvetch

native
Perennial herb

Astragalus pachypus var. jaegeri Jaeger's milk vetch, Jaeger's milkvetch

• rare native
Shrub

Astragalus pachypus var. pachypus Thick pod milk vetch, Thickpod milkvetch

native
Perennial herb

Astragalus palmeri Palmer locoweed, Palmer's milk vetch, Palmer's milkvetch

native
Perennial herb

Astragalus panamintensis Panamint milk vetch, Panamint milkvetch

native
Perennial herb

Astragalus pauperculus Depauperate milk vetch, Depauperate milkvetch

• rare native
Annual herb

Astragalus platytropis Broadkeel milkvetch, Little big pod milk vetch

• rare native
Perennial herb

Astragalus pomonensis Pomona milk vetch, Pomona milkvetch

native
Perennial herb

Astragalus porrectus Lahontan milkvetch

non-native
Annual herb

Astragalus preussii var. laxiflorus Lancaster milk vetch, Lancaster milkvetch

• rare native
Perennial herb

Astragalus preussii var. preussii Desert milkvetch, Preuss's milk vetch

• rare native
Perennial herb

Astragalus pseudiodanthus Tonopah milk vetch, Tonopah milkvetch

• rare native
Perennial herb

Astragalus pulsiferae Ames' milkvetch, Pulsifer's milk vetch

native
Perennial herb

Astragalus pulsiferae var. coronensis Modoc plateau milk vetch

• rare native
Perennial herb

Astragalus pulsiferae var. pulsiferae Ames' milkvetch, Pulsifer's milk vetch

• rare native
Perennial herb

Astragalus pulsiferae var. suksdorfii Suksdorf's milk vetch, Suksdorf's milkvetch

• rare native
Perennial herb

Astragalus purshii Pursh loco milkvetch, Pursh's milk vetch, Pursh's sheeppod

native
Perennial herb

Astragalus purshii ssp. tinctus Pursh loco milkvetch, Pursh's milk vetch, Pursh's sheeppod

native
Perennial herb

Astragalus purshii var. lagopinus Pursh's milk vetch, Woollypod milkvetch

native
Perennial herb

Astragalus purshii var. lectulus Pursh's milk vetch, Woollypod milkvetch

native
Perennial herb

Astragalus purshii var. purshii Pursh's milk vetch, Woollypod milkvetch

native
Perennial herb

Astragalus purshii var. tinctus Pursh's milk vetch, Woollypod milkvetch

native
Perennial herb

Astragalus pycnostachyus Loco weed, Marsh milk vetch, Marsh milkvetch

native
Perennial herb

Astragalus pycnostachyus var. lanosissimus Ventura marsh milk vetch, Ventura marsh milkvetch

• rare native
Perennial herb

Astragalus pycnostachyus var. lanosissimus

Astragalus pycnostachyus var. pycnostachyus Marsh milk vetch, Marsh milkvetch

• rare native
Perennial herb

Astragalus pycnostachyus var. pycnostachyus

Astragalus rattanii Rattan's milk vetch, Rattan's milkvetch

native
Annual herb

Astragalus rattanii var. jepsonianus Jepson's milk vetch, Jepson's milkvetch

• rare native
Annual herb

Astragalus rattanii var. rattanii Rattan's milk vetch, Rattan's milkvetch

• rare native
Perennial herb

Astragalus ravenii Raven's milk vetch, Raven's milkvetch

• rare native
Perennial herb

Astragalus sabulonum Gravel milk vetch, Gravel milkvetch

• rare native
Annual herb

Astragalus sepultipes Lone pine milk vetch, Lone pine milkvetch

native
Perennial herb

Astragalus serenoi Naked milkvetch

native
Perennial herb

Astragalus serenoi var. shockleyi Naked milk vetch, Naked milkvetch

• rare native
Perennial herb

Astragalus shevockii Shevock's milk vetch, Shevock's milkvetch

• rare native
Perennial herb

Astragalus subvestitus Kern county milk vetch, Kern county milkvetch

• rare native
Perennial herb

Astragalus tenellus Looseflower milkvetch

non-native
Annual herb

Astragalus tener Alkali milk vetch, Alkali milkvetch

native
Annual herb

Astragalus tener var. tener Alkali milk vetch, Alkali milkvetch

• rare native
Annual herb

Astragalus tener var. titi Coastal dunes milk vetch, Coastal dunes milkvetch

• rare native
Annual herb

Astragalus tephrodes var. tephrodes Ashen milkvetch

native
Perennial herb

Astragalus tidestromii Tidestrom's milk vetch, Tidestrom's milkvetch

• rare native
Perennial herb

Astragalus traskiae Trask's milk vetch, Trask's milkvetch, Trasks locoweed

• rare native
Perennial herb

Astragalus tricarinatus Triple ribbed milk vetch, Triplerib milkvetch

• rare native
Perennial herb

Astragalus trichopodus Santa barbara milk vetch, Santa barbara milkvetch

native
Perennial herb

Astragalus trichopodus var. lonchus Santa barbara milk vetch, Santa barbara milkvetch, Southern california milkvetch

native
Perennial herb

Astragalus trichopodus var. phoxus Santa barbara milk vetch, Santa barbara milkvetch

native
Perennial herb

Astragalus umbraticus Bald mountain milkvetch

• rare native
Perennial herb

Astragalus webberi Webber's milk vetch, Webber's milkvetch

• rare native
Perennial herb

Astragalus whitneyi Balloonpod milkvetch, Whitney's milk vetch

native
Perennial herb

Astragalus whitneyi var. confusus Conelike milkvetch, Whitney's milk vetch

native
Perennial herb

Astragalus whitneyi var. lenophyllus Balloonpod milkvetch, Whitney's milk vetch

• rare native
Perennial herb

Astragalus whitneyi var. siskiyouensis Siskiyou milk vetch, Siskiyou milkvetch

native
Perennial herb

Astragalus whitneyi var. whitneyi Balloonpod milkvetch, Whitney's milk vetch

native
Perennial herb

Astrolepis cochisensis Cochise scaly cloakfern

native
Fern

Asyneuma prenanthoides California harebell

native
Perennial herb

Campanula prenanthoides California harebell

native
Perennial herb

Athyrium distentifolium

native
Fern

Athyrium alpestre American alpine lady fern

native
Fern

Athyrium alpestre var. americanum American alpine lady fern

native
Fern

Athyrium distentifolium var. americanum American alpine lady fern

native
Fern

Athyrium filix-femina Common ladyfern

native
Fern

Athyrium filix-femina var. angustum Common ladyfern

native
Fern

Athyrium filix-femina var. cyclosorum Common lady fern, Subarctic lady fern, Western lady fern

native
Fern

Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus

native
Annual herb

Athysanus unilateralis Ladiestongue mustard

native
Annual herb

Atrichoseris platyphylla Gravel ghost, Gravelghost, Parachute flower

native
Annual herb

Atriplex amnicola Swamp saltbush

non-native
Annual herb

Atriplex argentea Silver saltweed, Silverscale saltbush

native
Annual herb

Atriplex argentea var. expansa Mojave silverscale

native
Annual herb

Atriplex canescens Fourwing saltbush, Hoary saltbush, Shadscale

native
Shrub

Atriplex canescens ssp. canescens Fourwing saltbush

native
Shrub

Atriplex canescens var. canescens Fourwing saltbush

native
Shrub

Atriplex canescens var. laciniata Caleb saltbush

native
Shrub

Atriplex confertifolia Shadscale, Spiny saltbush

native
Shrub

Atriplex cordulata Heartscale

native
Annual herb

Atriplex erecticaulis Heartscale

native
Annual herb

Atriplex cordulata var. erecticaulis Earlimart orach

• rare native
Annual herb

Atriplex coronata var. coronata Crownscale

• rare native
Annual herb

Atriplex coronata var. notatior San jacinto valley crownscale

• rare native
Annual herb

Atriplex coronata var. vallicola Lost hills crownscale

• rare native
Annual herb

Atriplex coulteri Coulter's saltbush

• rare native
Perennial herb

Atriplex depressa Brittlescale

• rare native
Annual herb

Atriplex elegans var. elegans Wheelscale saltbush

native
Annual herb

Atriplex elegans var. fasciculata Wheelscale saltbush

native
Annual herb

Atriplex fruticulosa Ball saltbush, Valley saltbush

native
Perennial herb

Atriplex gardneri var. cuneata Gardner's saltbush

native
Perennial herb

Atriplex gardneri var. gardneri Gardner's saltbush

native
Perennial herb

Atriplex gardneri var. utahensis Gardner's saltbush

native
Perennial herb

Atriplex gardneri var. falcata Salt sage, Sickle saltbush

• rare native
Perennial herb

Atriplex glauca Waxy saltbush

non-native
Annual herb

Atriplex halimus Saltbush

non-native
Annual herb

Atriplex hymenelytra Desert holly, Desertholly saltbush

native
Shrub

Atriplex lentiformis Big saltbush

native
Shrub

Atriplex lentiformis ssp. lentiformis Big saltbush

native
Shrub

Atriplex leucophylla Beach salt bush, Beach saltbush, Sea scale

native
Perennial herb

Atriplex lindleyi Lindley's saltbush

non-native
Perennial herb

Atriplex micrantha Twoscale saltbush

non-native
Annual herb

Atriplex minuscula Lesser saltscale

• rare native
Annual herb

Atriplex nummularia Bluegreen saltbush

non-native
Shrub

Atriplex obovata Mound saltbush

non-native
Annual herb

Atriplex pacifica Pacific saltbrush, South coast saltbush, South coast saltscale

• rare native
Annual herb

Atriplex parishii Parish's brittlescale, Parish's saltbush

• rare native
Annual herb

Atriplex parryi Parry's saltbush

native
Shrub

Atriplex patula Fat hen, Fathen saltweed, Spear orache

native
Annual herb

Atriplex persistens Pool orache, Pool oracle, Sacramento saltbush

• rare native
Annual herb

Atriplex polycarpa Allscale saltbush, Allscale, cattle spinach, Cattle saltbush

native
Shrub

Atriplex prostrata Fat-hen

non-native
Annual herb

Atriplex triangularis Fat-hen

non-native
Annual herb

Atriplex rosea Redscale, Tumbling oracle, Tumbling saltweed

non-native
Annual herb

Atriplex semibaccata Australian saltbush

• invasive non-native
Perennial herb

Atriplex serenana Bractscale, Saltscale, Tractscale

native
Annual herb

Atriplex serenana var. davidsonii Bractscale, Davidson's saltbush, Davidson's saltscale

• rare native
Annual herb

Atriplex serenana var. serenana Bractscale, Saltscale

native
Annual herb

Atriplex spinifera Mojave saltbush, Spinescale saltbush

native
Shrub

Atriplex suberecta Peregrine saltbush

non-native
Annual herb

Atriplex subtilis Deltoid bract saltbush

• rare native
Annual herb

Atriplex torreyi var. torreyi Torrey's saltbush

native
Annual herb

Atriplex truncata Wedgescale saltweed

native
Annual herb

Atriplex watsonii Matscale, Watson's saltbush

native
Perennial herb

Aubrieta deltoidea Garden aubrieta

non-native
Perennial herb

Aucuba japonica Japanese laurel

non-native
Shrub, Tree

Avena barbata Slender oat, Slim oat

• invasive non-native
Annual grass

Avena fatua Wild oat, Wildoat

• invasive non-native
Annual grass

Avena sativa Common oats, Cultivated oats, Wild oat

non-native
Annual, Perennial grass

Avena sterilis Animated oat, Sterile oats

• invasive non-native
Annual grass

Avicennia marina var. australasica Gray mangrove

non-native
Tree

Axonopus affinis Axonopus

non-native
Perennial grass

Ayenia compacta California ayenia, Desert ayenia

• rare native
Perennial herb, Shrub

Azolla caroliniana Carolina mosquitofern

non-native
Fern

AZOLLACEAE

Azolla filiculoides American water fern, mosquito fern, Mosquito fern, Pacific mosquitofern

native
Fern

AZOLLACEAE

Azolla mexicana Mexican mosquito fern

• rare native
Fern

AZOLLACEAE

Baccharis brachyphylla Short leaved baccharis, Short leaved baccharis, Shortleaf baccharis

native
Shrub

Baccharis glutinosa Douglas' baccharis, Salt marsh baccharis

native
Perennial herb

Baccharis malibuensis Malibu baccharis

• rare native
Shrub

Baccharis pilularis Coyote brush, Dwarf chaparral broom

native
Shrub

Baccharis pilularis ssp. consanguineus Coyote brush, Dwarf chaparral broom

native
Shrub

Baccharis pilularis ssp. consanguinea Coyote brush

native
Shrub

Baccharis pilularis ssp. pilularis Coyote brush

native
Shrub

Baccharis plummerae Plummer's baccharis

native
Shrub

Baccharis plummerae ssp. glabrata San simeon baccharis

• rare native
Shrub

Baccharis plummerae ssp. plummerae Plummer's baccharis

• rare native
Shrub

Baccharis salicifolia Mule fat., seep willow, Mule's fat, Mulefat

native
Shrub

Baccharis salicifolia ssp. salicifolia Mule fat

native
Shrub

Baccharis salicina Willow baccharis

native
Shrub

Baccharis sarothroides Desertbroom baccharis

native
Shrub

Baccharis sergiloides Desert baccharis

native
Shrub

Baccharis vanessae Encinitas baccharis

• rare native
Shrub

Bacopa eisenii Gila river water hyssop, Gila river waterhyssop

native
Perennial herb

Bacopa monnieri Herb of grace

non-native
Perennial herb

Bacopa rotundifolia Disk waterhyssop, Round leaf water hyssop

non-native
Annual, Perennial herb

Bahia neomexicana Many flowered bahia

• rare native
Annual herb

Bahiopsis laciniata San Diego County viguiera

native
Shrub

Bahiopsis parishii Parish viguiera

native
Shrub

Viguiera parishii Parish viguiera

native
Shrub

Bahiopsis reticulata Net veined viguiera

native
Shrub

Bahiopsis tomentosa

non-native
Shrub

Baileya multiradiata Desert marigold

native
Perennial herb

Baileya multiradiata var. multiradiata Desert marigold

native
Perennial herb

Baileya pauciradiata Colorado desert marigold, Lax flower, Laxflower

native
Annual herb

Baileya pleniradiata Woolly desert marigold, Woolly marigold, Wooly marigold

native
Annual, Perennial herb

Balsamorhiza deltoidea Balsam deltoid, Deltoid balsam root, Deltoid balsamroot

native
Perennial herb

Balsamorhiza hirsuta Hairy balsam root

native
Perennial herb

Balsamorhiza hookeri Hooker's balsam root, Hooker's balsamroot

native
Perennial herb

Balsamorhiza incana Hoary balsamroot

native
Perennial herb

Balsamorhiza lanata Woolly balsamroot

• rare native
Perennial herb

Balsamorhiza macrolepis Big scale balsam root, California balsamroot

• rare native
Perennial herb

Balsamorhiza sagittata Arrow leaved balsam root, Arrow leaved balsamroot, Arrowleaf balsamroot

native
Perennial herb

Balsamorhiza sericea Silky balsamroot

• rare native
Perennial herb

Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress

native
Perennial herb

Barbarea verna Early winter cress, Early wintercress, Scurvy grass

non-native
Perennial herb

Barbarea vulgaris Bitter wintercress, Common wintercress, Yellow rocket

non-native
Perennial herb

Bartramia ithyphylla Bartramia moss

native
Moss

Bartramia pomiformis Bartramia moss

native
Moss

Bartramia stricta Bartramia moss

native
Moss

Bassia hyssopifolia Five horn bassia, Fivehorn smotherweed

• invasive non-native
Annual herb

Batis maritima Saltwort, Turtleweed

native
Shrub

BATACEAE

Bauhinia galpinii African plume

non-native
Tree, Shrub

Bauhinia variegata ssp. candida Mountain ebony

non-native
Tree, Shrub

Bauhinia variegata ssp. variegata Mountain ebony

non-native
Tree, Shrub

Bauhinia variegata var. Candida Mountain ebony

non-native
Tree, Shrub

Bauhinia variegata var. Variegata Mountain ebony

non-native
Tree, Shrub

Bauhinia blakeana

non-native
Tree, Shrub

Bauhinia Xblakeana

non-native
Tree, Shrub

Bebbia juncea Sweetbush

native
Shrub

Bebbia juncea var. aspera Rough sweetbush

native
Shrub

Beckmannia syzigachne American sloughgrass, Slough grass

native
Annual grass

Bellardia trixago Mediterranean lineseed

• invasive non-native
Annual herb

Bellis perennis English daisy, English lawn daisy

• invasive non-native
Perennial herb

Benitoa occidentalis Benitoa

• rare native
Annual herb

Lessingia occidentalis Benitoa

• rare native
Annual herb

Bensoniella oregana Bensoniella

• rare native
Perennial herb

Bensoniella oregona Bensoniella

• rare native
Perennial herb

Berberis aquifolium Mountain grape, Mountaingrape, Oregon grape

native
Shrub

Mahonia piperiana Mountain grape, Mountaingrape, Oregon grape

native
Shrub

Berberis aquifolium var. aquifolium Oregon grape, Piper's barberry

native
Shrub

Berberis aquifolium var. dictyota Jepson's oregon grape, Shining netvein barberry

native
Shrub

Mahonia dictyota Jepson's oregon grape, Shining netvein barberry

native
Shrub

Berberis aquifolium var. repens Creeping oregon grape, Dwarf mahonia

native
Shrub

Berberis pumila Creeping oregon grape, Dwarf mahonia

native
Shrub

Berberis repens Creeping oregon grape, Dwarf mahonia

native
Shrub

Mahonia pumila Creeping oregon grape, Dwarf mahonia

native
Shrub

Mahonia repens Creeping oregon grape, Dwarf mahonia

native
Shrub

Berberis darwinii Darwin's berberis

• invasive non-native
Shrub

Berberis fremontii Fremont barberry

• rare native
Shrub

Mahonia fremontii Fremont barberry

• rare native
Shrub

Berberis haematocarpa Red fruited mahonia

native
Shrub

Mahonia haematocarpa Red fruited mahonia

native
Shrub

Berberis harrisoniana Harrison's barberry

• rare native
Shrub

Berberis higginsiae Fremont's mahonia

• rare native
Shrub

Berberis nervosa Cascades oregon grape, Oregongrape

native
Shrub

Mahonia nervosa Cascades oregon grape, Oregongrape

native
Shrub

Berberis nevinii Nevin's barberry

• rare native
Shrub

Mahonia nevinii Nevin's barberry

• rare native
Shrub

Berberis pinnata California barberry, Coast barberry, Shiny leaf mahonia

native
Shrub

Mahonia pinnata California barberry, Coast barberry, Shiny leaf mahonia

native
Shrub

Berberis pinnata ssp. insularis Island barberry

• rare native
Shrub

Berberis pinnata ssp. pinnata California barberry, Coast barberry, Shiny leaf barberry

native
Shrub

Berberis thunbergii Japanese barberry

non-native
Shrub

Berberis vulgaris Common barberry

non-native
Shrub

Bergerocactus emoryi Cunyado, Golden spined cereus

• rare native
Shrub (stem succulent)

Bergia texana Texas bergia

native
Annual herb

Bernardia incana Western bernardia

native
Shrub

Bernardia myricifolia Western bernardia

native
Shrub

Berteroa incana Hoary alyssum

• invasive non-native
Annual herb

Berula erecta Cut leaved water parsnip, Cutleaf water parsnip, Cutleaf waterparsnip

native
Perennial herb

Bestia longipes Bestia moss

non-native
Moss

BRACHYTHECIACEAE

Beta maritima Common beet

non-native
Perennial herb

Beta vulgaris Common beet

non-native
Perennial herb

Beta vulgaris ssp. cicla Common beet

non-native
Perennial herb

Beta vulgaris var. maritima Common beet

non-native
Perennial herb

Beta vulgaris ssp. maritima Sea beet

non-native
Perennial herb

Betula glandulosa Resin birch; scrub birch

• rare native
Shrub

Betula pumila Resin birch; scrub birch

• rare native
Shrub

Betula fontinalis Water birch

native
Tree, Shrub

Betula occidentalis Water birch

native
Tree, Shrub

Betula papyrifera Water birch

native
Tree, Shrub

Betula papyrifera var. papyrifera Water birch

native
Tree, Shrub

Betula pendula European white birch

non-native
Shrub

Betula populifolia Gray birch

non-native
Shrub

Bidens bipinnata Spanish needles

native
Perennial herb

Bidens cernua Nodding beggartick

native
Perennial herb

Bidens frondosa Devil's beggartick, Sticktight

native
Annual herb

Bidens laevis Bur marigold

native
Perennial herb

Bidens pilosa Hairy beggarticks

non-native
Annual herb

Bidens tripartita Threelobe beggarticks, Tickseed

non-native
Annual herb

Billardiera heterophylla Australian bluebell

non-native
Vine

Bistorta bistortoides Western Bistort

native
Perennial herb

Polygonum bistortoides Western Bistort

native
Perennial herb

Bituminaria bituminosa Arabian pea

non-native
Perennial herb

Psoralea bituminosa Arabian pea

non-native
Perennial herb

Blennosperma bakeri Baker's blennosperma, Sonoma sunshine

• rare native
Annual herb

Blennosperma nanum Common stickyseed, Yellow carpet

native
Annual herb

Blennosperma nanum var. nanum Common blennosperma, Common stickyseed

native
Annual herb

Blennosperma nanum var. robustum Point reyes blennosperma

• rare native
Annual herb

Blepharidachne kingii King's eyelash grass, King's eyelashgrass

• rare native
Perennial grass

Blepharipappus scaber Blepharipappus, Rough blepharipappus, Rough eyelashweed

native
Annual herb

Blepharizonia laxa Glandular big tarweed

native
Annual herb

Blepharizonia plumosa ssp. viscida Glandular big tarweed

native
Annual herb

Blepharizonia plumosa Big tarweed

• rare native
Annual herb

Bloomeria clevelandii San diego goldenstar

• rare native
Perennial herb

Bloomeria crocea Common goldenstar, Golden star

native
Perennial herb

Bloomeria crocea var. aurea Common goldenstar

native
Perennial herb

Bloomeria crocea var. crocea Common goldenstar

native
Perennial herb

Bloomeria crocea var. montana Mountain goldenstar

native
Perennial herb

Bloomeria humilis Dwarf goldenstar

• rare native
Perennial herb (bulb)

Arabis sparsiflora var. arcuata Arching rockcress

native
Perennial herb

Boechera arcuata Arching rockcress

native
Perennial herb

Arabis breweri Brewer's rock cress

native
Perennial herb

Boechera breweri Brewer's rock cress

native
Perennial herb

Boechera breweri ssp. breweri Brewer's rockcress

native
Perennial herb

Boechera breweri ssp. shastaensis Shasta rockcress

native
Perennial herb

Boechera californica California rockcress

native
Perennial herb

Arabis cobrensis Masonic rock cress

• rare native
Perennial herb

Boechera cobrensis Masonic rock cress

• rare native
Perennial herb

Boechera constancei Constance's rock cress

• rare native
Perennial herb

Boechera davidsonii Davidson's rockcress

native
Perennial herb

Arabis lemmonii var. depauperata Soldier rockcress

native
Perennial herb

Boechera depauperata Soldier rockcress

native
Perennial herb

Boechera dispar Pinyon rock cress

• rare native
Perennial herb

Arabis divaricarpa Spreadingpod rockcress

native
Perennial herb

Boechera divaricarpa Spreadingpod rockcress

native
Perennial herb

Arabis platysperma var. platysperma Elko rockcress

native
Perennial herb

Boechera elkoensis Elko rockcress

native
Perennial herb

Arabis hoffmannii Hoffmann's rockcress

• rare native
Perennial herb

Boechera hoffmannii Hoffmann's rockcress

• rare native
Perennial herb

Arabis platysperma var. howellii Howell's rockcress

native
Perennial herb

Boechera howellii Howell's rockcress

native
Perennial herb

Arabis inyoensis Inyo rockcress

native
Perennial herb

Boechera inyoensis Inyo rockcress

native
Perennial herb

Arabis johnstonii Johnston's rockcress

• rare native
Perennial herb

Boechera johnstonii Johnston's rockcress

• rare native
Perennial herb

Boechera koehleri Koehler's rockcress

• rare native
Perennial herb

Arabis lemmonii var. lemmonii Lemmon's rockcress

native
Perennial herb

Boechera lemmonii Lemmon's rockcress

native
Perennial herb

Boechera lyallii Lyall's rockcress

native
Perennial herb

Boechera microphylla Small-leaved rock cress

• rare native
Perennial herb

Boechera parishii Parish's rock cress

• rare native
Perennial herb

Boechera pauciflora Hairy stem rockcress

native
Perennial herb

Arabis lyallii var. nubigena Small-flowered rockcress

native
Perennial herb

Boechera paupercula Small-flowered rockcress

native
Perennial herb

Arabis breweri var. pecuniaria San bernardino rock cress

• rare native
Perennial herb

Boechera peirsonii San bernardino rock cress

• rare native
Perennial herb

Boechera pendulina Nodding rock cress

• rare native
Perennial herb

Boechera pendulocarpa Dropseed rockcress

native
Perennial herb

Boechera perennans Perennial rockcress

native
Perennial herb

Boechera pinetorum Woodland rockcress

native
Perennial herb

Arabis platysperma Pioneer rockcress

native
Perennial herb

Boechera platysperma Pioneer rockcress

native
Perennial herb

Arabis puberula Silver rockcress

native
Perennial herb

Boechera puberula Silver rockcress

native
Perennial herb

Arabis pulchra Beautiful rockcress

native
Perennial herb

Boechera pulchra Beautiful rockcress

native
Perennial herb

Boechera pygmaea Tulare county rock cress

• rare native
Perennial herb

Arabis rectissima var. rectissima Bristly leaf rockcress

native
Perennial herb

Arabis repanda var. repanda Yosemite rockcress

native
Perennial herb

Boechera repanda Yosemite rockcress

native
Perennial herb

Arabis holboellii var. retrofracta Reflexed rockcress

native
Perennial herb

$Arabis holboellii var. retrofracta$
© 2019 Steve Matson

$Arabis holboellii var. retrofracta$
© 2021 Steve Matson

Boechera retrofracta Reflexed rockcress

native
Perennial herb

$Boechera retrofracta$
© 2019 Steve Matson

$Boechera retrofracta$
© 2021 Steve Matson

Boechera rigidissima Trinity mountain rockcress

native
Perennial herb

Boechera rollei Rolle's rockcress

• rare native
Perennial herb

Boechera serpenticola Serpentine rockcress

• rare native
Perennial herb

Boechera shockleyi Shockley's rock cress

• rare native
Perennial herb

Arabis sparsiflora Sicklepod rockcress

native
Perennial herb

Boechera sparsiflora Sicklepod rockcress

native
Perennial herb

Arabis drummondii Drummond's rockcress

native
Perennial herb

Boechera stricta Drummond's rockcress

native
Perennial herb

Arabis subpinnatifida Klamath rockcress

native
Perennial herb

Boechera subpinnatifida Klamath rockcress

native
Perennial herb

Boechera suffrutescens Woody rockcress

native
Perennial herb

Boechera tiehmii Tiehm's rock cress

• rare native
Perennial herb

Boechera tularensis Tulare rockcress

• rare native
Perennial herb

Arabis pulchra var. gracilis Bigfoot hybrid rockcress

native
Perennial herb

Boechera xylopoda Bigfoot hybrid rockcress

native
Perennial herb

Boechera yorkii Last chance rock cress

• rare native
Perennial herb

Boehmeria cylindrica Smallspike false nettle

non-native
Perennial herb

Boehmeria nivea Smallspike false nettle

non-native
Perennial herb

Boerhavia coccinea Red boerhaavia, Scarlet spiderling

native
Perennial herb

Boerhavia coulteri Coulter's spiderling

native
Annual herb

Boerhavia coulteri var. palmeri Coulter's spiderling

native
Annual herb

Boerhavia spicata Creeping spiderling

non-native
Annual herb

Boerhavia triquetra Creeping sticky stem, Slender spiderling

native
Annual herb

Boerhavia triquetra var. intermedia Fivewing spiderling

native
Annual herb

Boerhavia wrightii Largebract spiderling, Wright's boerhavia, Wright's spiderling

native
Annual herb

Bolandra californica California bolandra, Sierra bolandra

• rare native
Perennial herb

Bolboschoenus fluviatilis River bulrush

native
Perennial grasslike herb

Bolboschoenus glaucus Tubered bulrush

native
Perennial grasslike herb

Eleocharis erythropoda Tubered bulrush

native
Perennial grasslike herb

Bolboschoenus maritimus Alkali bulrush

native
Perennial grasslike herb

Bolboschoenus maritimus ssp. maritimus Alkali bulrush

native
Perennial grasslike herb

Scirpus maritimus Alkali bulrush

native
Perennial grasslike herb

Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush

native
Perennial grasslike herb

Bolboschoenus robustus Sturdy bullrush

native
Perennial grasslike herb

Borago officinalis Borage, Common borage

non-native
Annual herb

Bothriochloa barbinodis Beard grass, Cane beardgrass, Cane bluestem

native
Perennial grass

Bothriochloa ischaemum Yellow bluestem

non-native
Perennial grass

Bothriochloa laguroides Silver beardgrass

non-native
Perennial grass

Bothriochloa laguroides ssp. torreyana Silver beardgrass

non-native
Perennial grass

Botrychium ascendens Upswept moonwort

• rare native
Fern (rhizomatous)

Botrychium crenulatum Scalloped moonwort

• rare native
Fern (rhizomatous)

Botrychium lunaria Common moonwort, Moonwort grapefern

• rare native
Fern (rhizomatous)

Botrychium minganense Mingan moonwort

• rare native
Fern (rhizomatous)

Botrychium montanum Western goblin

• rare native
Fern (rhizomatous)

Botrychium paradoxum Paradox moonwort

• rare native
Fern

Botrychium pedunculosum Stalked moonwort

• rare native
Perennial herb

Botrychium pinnatum Northwestern moonwort

• rare native
Fern (rhizomatous)

Botrychium pumicola Crater lake grapefern

• rare native
Fern

Botrychium simplex Little grape fern, Little grapefern, Yosemite moonwort

native
Fern

Botrychium simplex var. compositum Little grapefern

native
Fern

Botrychium simplex var. simplex Least moonwort

native
Fern

Botrychium virginianum Rattlesnake fern

• rare native
Fern

Botrypus virginianus Rattlesnake fern

• rare native
Fern

Bougainvillea spectabilis Great bougainvillea

non-native
Shrub

Bouteloua aristidoides Needle grama

native
Annual grass

Bouteloua aristidoides var. aristidoides Needle grama

native
Annual grass

Bouteloua aristidoides var. aristidoides

Bouteloua barbata Sixweeks grama

native
Annual grass

Bouteloua barbata var. barbata Six weeks grama

native
Annual grass

Bouteloua curtipendula Side oats grama, Sideoats grama

native
Perennial grass

Bouteloua curtipendula var. curtipendula Side oats grama, Sideoats grama

native
Perennial grass

Bouteloua curtipendula var. curtipendula

Bouteloua eriopoda Black grama

• rare native
Perennial grass

Bouteloua gracilis Blue grama

native
Perennial grass

Chondrosum gracile Blue grama

native
Perennial grass

Bouteloua trifida Red grama

• rare native
Perennial grass

Bowlesia incana Hoary bowlesia

native
Annual herb

Boykinia major Large boykinia, Mountain boykinia, Stream boykinia

native
Perennial herb

Boykinia occidentalis Brook foam, Coastal brookfoam, Western boykinia

native
Perennial herb

Boykinia rotundifolia Round leaved boykinia

native
Perennial herb

Brachypodium distachyon False brome, Purple false brome

• invasive non-native
Annual, Perennial grass

Brachypodium sylvaticum Slender false brome

• invasive non-native
Perennial grass

Brachythecium collinum Brachythecium moss

non-native
Moss

BRACHYTHECIACEAE

Brachythecium frigidum Cold brachythecium moss

non-native
Moss

BRACHYTHECIACEAE

Brandegea bigelovii Brandegea, Desert star vine, Desert starvine

native
Perennial herb

Brasenia schreberi Watershield

• rare native
Perennial herb (aquatic)

CABOMBACEAE

Brassica napus Rapeseed

non-native
Annual herb

Brassica nigra Black mustard

• invasive non-native
Annual herb

Brassica oleracea Cabbage

non-native
Annual herb

Brassica oleracea var. acephala Cabbage

non-native
Annual herb

Brassica oleracea var. botrytis Cabbage

non-native
Annual herb

Brassica oleracea var. capitata Cabbage

non-native
Annual herb

Brassica oleracea var. gemmifera Cabbage

non-native
Annual herb

Brassica oleracea var. gongylodes Cabbage

non-native
Annual herb

Brassica rapa Common mustard, Field mustard, Rape mustard

• invasive non-native
Annual herb

Brassica tournefortii Saharan mustard

• invasive non-native
Annual herb

Brickellia atractyloides Spear leaved brickellia, Spearleaf brickellbush

native
Shrub (stem succulent)

Brickellia arguta var. arguta California spear leaved brickellia

native
Shrub

Brickellia atractyloides var. arguta California spear leaved brickellia

native
Shrub

Brickellia atractyloides var. atractyloides Spear leaved brickellia

native
Shrub (stem succulent)

Brickellia atractyloides var. atractyloides

Brickellia atractyloides var. odontolepis California spear leaved brickellia

native
Shrub

Brickellia atractyloides var. odontolepis

Brickellia californica Brickell bush, California brickellbush, California brickellia

native
Perennial herb

Brickellia coulteri Coulter's brickellbush

non-native
Perennial herb

Brickellia desertorum Desert brickellbush, Desert brickellia

native
Shrub

Brickellia frutescens Shrubby brickellbush, Shrubby brickellia

native
Shrub

Brickellia grandiflora Large flowered brickelbush, Large flowered brickellia, Tasselflower brickellbush

native
Perennial herb

Brickellia greenei Greene brickellbush, Greene's brickelbush, Greene's brickellia

native
Perennial herb

Brickellia incana Woolly brickellbush, Woolly brickellia, Wooly brickellia

native
Shrub

Brickellia knappiana Knapp brickellbush, Knapp brickellia, Knapp's brickellia

native
Shrub

Brickellia longifolia Longleaf brickellbush, Willow leaved brickellia, Willowleaf brickellia

native
Shrub

Brickellia longifolia var. multiflora Longleaf brickellbush

native
Shrub

Brickellia microphylla var. microphylla Littleleaf brickellbush

native
Shrub

Brickellia nevinii Nevin's brickellbush, Nevin's brickellia

native
Shrub

Brickellia oblongifolia Mojave brickellbush

native
Perennial herb

Brickellia oblongifolia var. linifolia Narrow leaved brickellia, Narrowleaf brickellbush, Pinon brickellia

native
Perennial herb

Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass

• invasive non-native
Annual grass

Briza media Perennial quakinggrass

non-native
Annual grass

Briza minor Little quaking grass, Little quakinggrass, Little rattlesnake grass

non-native
Annual grass

Brodiaea appendiculata Appendage brodiaea, Hoover's brodiaea

native
Perennial herb

Brodiaea coronaria Crown brodiaea, Early harvest brodiaea, Harvest brodiaea

native
Perennial herb (bulb)

Brodiaea elegans Harvest brodiaea

native
Perennial herb

Brodiaea elegans ssp. elegans Harvest brodiaea

native
Perennial herb

Brodiaea elegans ssp. hooveri Hoover's brodiaea, Hoover's harvest brodiaea

native
Perennial herb

Brodiaea filifolia Thread leaved brodiaea, Threadleaf brodiaea

• rare native
Perennial herb (bulb)

Brodiaea insignis Kaweah brodiaea

• rare native
Perennial herb (bulb)

Brodiaea jolonensis Chaparral brodiaea, Dwarf brodiaea, Jolon brodiaea

native
Perennial herb

Brodiaea kinkiensis San clemente island brodiaea

• rare native
Perennial herb (bulb)

Brodiaea leptandra Narrow-flowered california brodiaea

• rare native
Perennial herb

Brodiaea matsonii Sulphur creek brodiaea

• rare native
Perennial herb

Brodiaea minor Dwarf brodiaea, Low brodiaea, Small Brodiaea

native
Perennial herb

Brodiaea nana Dwarf Brodiaea, Vernal Pool Brodiaea

native
Perennial herb

Brodiaea orcuttii Orcutt's brodiaea

• rare native
Perennial herb (bulb)

Brodiaea pallida Chinese camp brodiaea

• rare native
Perennial herb (bulb)

Brodiaea rosea Indian valley brodiaea

• rare native
Perennial herb (bulb)

Brodiaea rosea ssp. rosea Indian Valley brodiaea

• rare native
Perennial herb (bulb

Brodiaea rosea ssp. vallicola valley brodiaea

• rare native
Perennial herb (bulb)

Brodiaea santarosae Santa Rosa basalt brodiaea

• rare native
Perennial herb

Brodiaea sierrae Sierra foothills brodiaea

• rare native
Perennial herb

Brodiaea stellaris Star flowered brodiaea, Starflower brodiaea

native
Perennial herb

Brodiaea terrestris Dwarf brodiaea

native
Perennial herb

Brodiaea terrestris ssp. kernensis Kern brodiaea, Kern dwarf brodiaea

native
Perennial herb

Brodiaea terrestris ssp. terrestris Dwarf brodiaea

native
Perennial herb

Bromus arenarius Australian brome, Australian chess

non-native
Annual grass

Bromus arizonicus Arizona brome

native
Annual grass

Bromus berteroanus Chilean chess

non-native
Annual grass

Bromus briziformis Rattlesnake brome, Rattlesnake chess

non-native
Annual grass

Bromus carinatus var. carinatus California brome, Mountain brome

native
Perennial grass

Bromus caroli-henrici Weedy brome

non-native
Annual grass

Bromus catharticus Rescue grass, Rescuegrass

non-native
Annual, Perennial grass

Bromus catharticus var. elatus Chilean brome

non-native
Annual, Perennial grass

Bromus ciliatus Fringed bromegrass

native
Perennial grass

Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass

• invasive non-native
Annual grass

Bromus grandis Tall brome

native
Perennial grass

Bromus hordeaceus Soft brome, Soft chess

• invasive non-native
Annual grass

Bromus inermis Smooth brome

non-native
Perennial grass

Bromus inermis ssp. inermis Smooth brome

non-native
Perennial grass

Bromus japonicus Downy sheathed cheat, Hairy chess, Japanese brome

• invasive non-native
Annual grass

Bromus laevipes Chinook brome, Narrow flowered brome, Woodland brome

native
Perennial grass

Bromus madritensis Foxtail chess, foxtail brome, Madrid brome, Spanish brome

non-native
Annual grass

Bromus madritensis ssp. madritensis Foxtail chess

non-native
Annual grass

Bromus orcuttianus Orcutt's brome grass

native
Annual grass

Bromus anomalus Nodding brome

native
Perennial grass

Bromus porteri Nodding brome

native
Perennial grass

Bromus pseudolaevipes Coast range brome, Southern chinook brome

native
Perennial grass

Bromus racemosus Smooth brome

non-native
Annual grass

Bromus madritensis ssp. rubens Red brome

• invasive non-native
Annual grass

Bromus rubens Red brome

• invasive non-native
Annual grass

Bromus secalinus Chess brome, Rye brome

non-native
Annual grass

Bromus carinatus California brome

native
Perennial grass

Bromus carinatus var. marginatus Mountain brome

native
Perennial grass

Bromus maritimus Maritime brome

native
Perennial grass

Bromus sitchensis Sitka brome, alaska brome

native
Perennial grass

Bromus sterilis Poverty brome, Sterile brome

non-native
Annual grass

Bromus suksdorfii Suksdorf's bromegrass

native
Perennial grass

Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess

• invasive non-native
Annual grass

Bromus vulgaris Columbia brome, Common brome

native
Annual grass

Broussonetia papyrifera Paper mulberry

non-native
Tree

Bruchia bolanderi Bolander's bruchia moss

• rare native
Moss

BRUCHIANCEAE

Buddleja davidii Butterfly bush, Summer lilac

• invasive non-native
Tree, Shrub

Buddleja utahensis Panamint butterfly bush, Summer lilac, Utah butterflybush

native
Shrub

Bulbostylis capillaris Thread leaf beakseed, Threadleaf beakseed

• rare native
Annual grasslike herb

Bursera microphylla Elephant tree, Littleleaf elephanttree

• rare native
Tree

BURSERACEAE

Buxbaumia aphylla Buxbaumia moss

native
Moss

BUXBAUMIACEAE

Buxbaumia piperi Piper's buxbaumia moss

native
Moss

BUXBAUMIACEAE

Buxbaumia viridis Buxbaumia moss

• rare native
Moss

BUXBAUMIACEAE

Buxus sempervirens Common box

non-native

BUXACEAE

Cacaliopsis nardosmia Cut leaf cacaliopsis, Silvercrown

native
Perennial herb

Caesalpinia gilliesii Bird of paradise

non-native
Tree, Shrub, Vine

Caesalpinia pulcherrima Pride of barbados

non-native
Shrub

Caesalpinia spinosa Tara

non-native
Tree, Shrub

Cakile edentula American searocket, Sea rocket

non-native
Annual herb

Cakile maritima European searocket, Sea rocket

• invasive non-native
Annual herb

Calamagrostis bolanderi Bolander's reedgrass

• rare native
Perennial grass (rhizomatous)

Calamagrostis breweri Short hair reedgrass

native
Perennial grass

Calamagrostis canadensis Bluejoint reedgrass, Canada reedgrass

native
Perennial grass

Calamagrostis canadensis var. langsdorfii Canada reedgrass

native
Perennial grass

Calamagrostis canadensis var. langsdorfii

Calamagrostis foliosa Leafy reed grass, Leafy reedgrass

• rare native
Perennial grass

Calamagrostis koelerioides Fire reedgrass

native
Perennial grass

Calamagrostis nutkaensis Pacific reedgrass

native
Perennial grass

Calamagrostis ophitidis Serpentine reed grass, Serpentine reedgrass

• rare native
Perennial grass

Calamagrostis purpurascens Purple reedgrass

native
Perennial grass

Calamagrostis rubescens Pine grass, Pinegrass

native
Perennial grass

Calamagrostis stricta ssp. inexpansa Narrow spiked reedgrass, Northern reedgrass, Thurber's reed grass

native
Perennial grass (rhizomatous)

Calamagrostis stricta ssp. stricta Slimstem reedgrass

native
Perennial grass (rhizomatous)

Calamintha sylvatica ssp. ascendens Woodland calamint

non-native
Perennial herb

Calandrinia breweri Brewer's calandrinia

• rare native
Annual herb

Calandrinia ciliata red maids, Calandrinia

native
Annual herb

Calandrinia menziesii red maids, Calandrinia

native
Annual herb

Calendula arvensis Field marigold

non-native
Annual herb

Calendula officinalis Pot marigold

non-native
Annual herb

Calia secundiflora

non-native

California macrophylla Round leaved filaree

native
Annual herb

Calliandra eriophylla Fairyduster, False mesquite

• rare native
Shrub

Calliandra haematocephala Stickpea

non-native
Shrub

Calliscirpus criniger Cotton grass

native
Perennial grasslike herb

Eriophorum crinigerum Cotton grass

native
Perennial grasslike herb

Callisia repens Creeping inchplant

non-native
Annual, Perennial herb

Callistemon citrinus Crimson bottlebrush

non-native
Tree, Shrub

Callistemon speciosus Gray bottlebrush

non-native
Tree, Shrub

Callitriche fassettii Fassett's water starwort

native
Perennial herb

Callitriche heterophylla Varied leaved water starwort, Water starwort

native
Perennial herb

Callitriche heterophylla ssp. bolanderi Bolander's water starwort

native
Annual herb

Callitriche heterophylla var. bolanderi Bolander's water starwort

native
Annual herb

Callitriche marginata California water starwort, Winged water starwort

native
Annual herb (aquatic)

Callitriche palustris Vernal water-starwort

native
Annual herb

Callitropsis nootkatensis Alaska cedar

• rare native
Tree

Chamaecyparis nootkatensis Alaska cedar

• rare native
Tree

Cupressus nootkatensis Alaska cedar

• rare native
Tree

Calocedrus decurrens Incense cedar, Post cedar, White cedar

native
Tree

Calochortus albus White fairy lantern, White globe lily

native
Perennial herb

Calochortus albus ssp. rubellus White fairy lantern, White globe lily

native
Perennial herb

Calochortus albus var. roseus White fairy lantern, White globe lily

native
Perennial herb

Calochortus albus var. rubellus White fairy lantern, White globe lily

native
Perennial herb

Calochortus amabilis Golden fairy lantern, Golden globelily, Short lily

native
Perennial herb

Calochortus ambiguus Doubting mariposa lily

non-native
Perennial herb

Calochortus amoenus Purple fairy lantern, Purple globelily

native
Perennial herb

Calochortus argillosus Clay mariposa lily

native
Perennial herb (bulb)

Calochortus bruneaunis Bruneau mariposa lily, Pinyon mariposa

native
Perennial herb

Calochortus catalinae Catalina mariposa lily

• rare native
Perennial herb (bulb)

Calochortus clavatus Club haired mariposa, Clubhair mariposa lily

native
Perennial herb

Calochortus clavatus var. avius Pleasant valley mariposa lily

• rare native
Perennial herb (bulb)

Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily

• rare native
Perennial herb (bulb)

Calochortus clavatus var. gracilis Slender mariposa lily

• rare native
Perennial herb (bulb)

Calochortus clavatus var. pallidus Clubhair mariposa lily, Pale yellow mariposa

native
Perennial herb

Calochortus clavatus var. recurvifolius Arroyo de la cruz mariposa lily

• rare native
Perennial herb (bulb)

Calochortus coeruleus Blue star tulip, Beavertail-Grass

native
Perennial herb

Calochortus concolor Golden bowl mariposa, Goldenbowl mariposa lily

native
Perennial herb

Calochortus dunnii Dunn's mariposa lily

• rare native
Perennial herb (bulb)

Calochortus elegans Elegant star tulip, Northwestern mariposa lily

native
Perennial herb

Calochortus elegans var. nanus Elegant star tulip, Northwestern mariposa lily

native
Perennial herb

Calochortus elegans var. selwayens Elegant star tulip, Northwestern mariposa lily

native
Perennial herb

Calochortus eurycarpus White mariposa lily

non-native
Perennial herb

Calochortus excavatus Inyo County star tulip, Owens Valley mariposa lily

• rare native
Perennial herb (bulb)

Calochortus fimbriatus Late-flowered mariposa lily

• rare native
Perennial herb

Calochortus flexuosus Winding mariposa lily

native
Perennial herb

Calochortus greenei Greene's mariposa lily

• rare native
Perennial herb (bulb)

Calochortus invenustus Plain mariposa lily

native
Perennial herb

Calochortus kennedyi Desert mariposa lily

native
Perennial herb

Calochortus kennedyi ssp. munzii Desert mariposa lily

native
Perennial herb

Calochortus kennedyi var. kennedyi Desert mariposa lily, Red mariposa

native
Perennial herb

Calochortus kennedyi var. munzii Desert mariposa lily, Munz's mariposa

native
Perennial herb

Calochortus leichtlinii Leichtlin's mariposa lily, Smokey mariposa

native
Perennial herb

Calochortus longebarbatus var. longebarbatus Long haired star tulip

• rare native
Perennial herb (bulb)

Calochortus longebarbatus var. longebarbatus

Calochortus luteus Yellow mariposa lily

native
Perennial herb

Calochortus macrocarpus Sagebrush mariposa lily

native
Perennial herb

Calochortus macrocarpus var. macrocarpus Sagebrush mariposa lily

native
Perennial herb

Calochortus macrocarpus var. macrocarpus

Calochortus macrocarpus var. maculosus Sagebrush mariposa lily

native
Perennial herb

Calochortus minimus Sierra mariposa lily

native
Perennial herb

Calochortus monophyllus Yellow star tulip

native
Perennial herb

Calochortus nudus Naked mariposa lily

native
Perennial herb

Calochortus obispoensis San luis mariposa lily

• rare native
Perennial herb (bulb)

Calochortus palmeri Palmer's mariposa lily, Strangling mariposa

native
Perennial herb

Calochortus palmeri var. munzii Munz's mariposa lily

• rare native
Perennial herb (bulb)

Calochortus palmeri var. palmeri Palmer's mariposa lily

• rare native
Perennial herb (bulb)

Calochortus panamintensis Panamint mariposa lily

• rare native
Perennial herb (bulb)

Calochortus persistens Siskiyou mariposa lily

• rare native
Perennial herb (bulb)

Calochortus plummerae Plummer's mariposa lily

• rare native
Perennial herb (bulb)

Calochortus pulchellus Mount Diablo globelily, Mt. Diablo fairy lantern

• rare native
Perennial herb (bulb)

Calochortus raichei The cedars fairy lantern

• rare native
Perennial herb (bulb)

Calochortus simulans San luis obispo mariposa lily

• rare native
Perennial herb (bulb)

Calochortus splendens Splendid mariposa lily

native
Perennial herb

Calochortus striatus Alkali mariposa lily

• rare native
Perennial herb (bulb)

Calochortus superbus Yellow mariposa

native
Perennial herb

Calochortus syntrophus Callahan's mariposa lily

• rare native
Perennial herb

Calochortus tiburonensis Tiburon mariposa lily

• rare native
Perennial herb (bulb)

Calochortus tolmiei Hairy star tulip, Tolmie star tulip, Tolmie's star tulip

native
Perennial herb

Calochortus umbellatus Oakland mariposa lily, Oakland star tulip

• rare native
Perennial herb (bulb)

Calochortus uniflorus Pink star tulip

• rare native
Perennial herb

Calochortus venustus Butterfly mariposa lily

native
Perennial herb

Calochortus vestae Coast range mariposa lily, Yellow mariposa

native
Perennial herb

Calochortus weedii Weed's mariposa lily

native
Perennial herb

Calochortus weedii var. intermedius Intermediate mariposa lily, Weed's mariposa lily

• rare native
Perennial herb (bulb)

Calochortus weedii var. weedii Weed's mariposa lily

native
Perennial herb

Calochortus westonii Shirley meadows star tulip

• rare native
Perennial herb (bulb)

Calotropis procera Roostertree

non-native
Tree, Shrub, Perennial herb

ASCLEPIADACEAE

Caltha biflora White marsh marigold

native
Perennial herb

Caltha leptosepala White marsh marigold

native
Perennial herb

Caltha leptosepala ssp. biflora White marsh marigold

native
Perennial herb

Caltha leptosepala ssp. howellii White marsh marigold

native
Perennial herb

Caltha leptosepala ssp. leptosepala White marsh marigold

native
Perennial herb

Caltha leptosepala var. biflora White marsh marigold

native
Perennial herb

Caltha palustris Yellow marsh marigold

non-native
Perennial herb

Caltha palustris ssp. palustris Yellow marsh marigold

non-native
Perennial herb

Caltha palustris var. arctica Yellow marsh marigold

non-native
Perennial herb

Calycadenia fremontii Fremont's calycadenia, Fremont's western rosinweed, Klamath calycadenia

native
Annual herb

Calycadenia hooveri Hoover's calycadenia

• rare native
Annual herb

Calycadenia micrantha Small flowered calycadenia

• rare native
Annual herb

Calycadenia mollis Soft calycadenia, Soft western rosinweed

native
Annual herb

Calycadenia multiglandulosa Rosin weed, Sticky calycadenia, Sticky western rosinweed

native
Annual herb

Calycadenia oppositifolia Butte county calycadenia

• rare native
Annual herb

Calycadenia pauciflora Small flowered calycadenia, Smallflower western rosinweed

native
Annual herb

Calycadenia spicata Spicate calycadenia, Spiked western rosinweed

native
Annual herb

Calycadenia truncata Rosin weed

native
Annual herb

Calycadenia villosa Dwarf calycadenia

• rare native
Annual herb

Calycanthus occidentalis Spicebush, Sweet shrub

native
Shrub

CALYCANTHACEAE

Calycoseris parryi Yellow tackstem

native
Annual herb

Calycoseris wrightii White tackstem

native
Annual herb

Calypso bulbosa Fairy slipper, Fairyslipper orchid

native
Perennial herb

Calypso bulbosa var. occidentalis Fairy slipper

native
Perennial herb

Calyptocarpus vialis Straggler daisy

non-native
Perennial herb

Calyptridium monandrum Common pussypaws, Pussy paws

native
Annual herb

Calyptridium monospermum One seeded pussypaws

native
Perennial herb

Cistanthe monosperma One seeded pussypaws

native
Perennial herb

Calyptridium parryi var. hesseae Santa cruz mtns. pussypaws

• rare native
Annual herb

Calyptridium parryi var. nevadense Nevada pussypaws

native
Annual herb

Calyptridium parryi var. parryi Parry's pussypaws

native
Annual herb

Calyptridium pulchellum Mariposa pussypaws

• rare native
Annual herb

Calyptridium pygmaeum Pygmy pussypaws

• rare native
Annual herb

Calyptridium quadripetalum Four petaled pussypaws

• rare native
Annual herb

Calyptridium roseum Rosy pussypaws

native
Annual herb

Calyptridium umbellatum Cistanthe, Pussy paws, Pussy toes

native
Annual, Perennial herb

Calyptridium umbellatum ssp. caudiciferum Cistanthe, Pussy paws, Pussy toes

native
Annual, Perennial herb

Calyptridium umbellatum ssp. caudiciferum

Cistanthe umbellata Cistanthe, Pussy paws, Pussy toes

native
Annual, Perennial herb

Cistanthe umbellata var. umbellata Cistanthe, Pussy paws, Pussy toes

native
Annual, Perennial herb

Calystegia atriplicifolia Nightblooming false bindweed

native
Perennial herb (rhizomatous)

Calystegia atriplicifolia ssp. buttensis Butte county morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia atriplicifolia ssp. buttensis

Calystegia collina Coast range false bindweed, Hillside morning glory

native
Perennial herb

Calystegia collina ssp. collina Coast range false bindweed, Hillside morning glory

native
Perennial herb

Calystegia collina ssp. oxyphylla Mount saint helena morning glory, Mt. saint helena morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia collina ssp. tridactylosa Coast range false bindweed, Three fingered morning glory

• rare native
Perennial herb

Calystegia collina ssp. venusta South coast range morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia felix Lucky morning-glory

• rare native
Annual herb

Calystegia longipes Paiute false bindweed, Piute morning glory

native
Perennial herb

Calystegia macrostegia Island false bindweed, Island morning glory

native
Perennial herb, Vine

Calystegia macrostegia var. amplissima Island false bindweed, Island morning glory

native
Perennial herb, Vine

Calystegia macrostegia var. cyclostegia Island false bindweed, Island morning glory

native
Perennial herb, Vine

Calystegia macrostegia ssp. amplissima Island morning glory

• rare native
Perennial herb

Calystegia macrostegia ssp. arida Island false bindweed, Southern california morning glory

native
Perennial herb, Vine

Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed

native
Perennial herb, Vine

Calystegia macrostegia ssp. intermedia Island false bindweed, South coast morning glory

native
Perennial herb, Vine

Calystegia macrostegia ssp. macrostegia Island false bindweed, Island morning glory

native
Perennial herb, Vine

Calystegia macrostegia ssp. tenuifolia Island false bindweed, San diego morning glory

native
Perennial herb, Vine

Calystegia malacophylla Sierra false bindweed, Sierra morning glory, Woolly morning glory

native
Perennial herb

Calystegia malacophylla ssp. malacophylla Sierra false bindweed, Sierra morning glory

native
Perennial herb

Calystegia malacophylla ssp. malacophylla

Calystegia malacophylla ssp. pedicellata Jepson's morning glory, Sierra false bindweed

native
Perennial herb

Calystegia malacophylla ssp. pedicellata

Calystegia malacophylla var. berryi Berry's morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia occidentalis Bush morning glory, Chaparral false bindweed, Western morning glory

native
Perennial herb

Calystegia fulcrata Chaparral false bindweed, Sonora morning glory

native
Perennial herb

Calystegia occidentalis ssp. fulcrata Chaparral false bindweed, Sonora morning glory

native
Perennial herb

Calystegia occidentalis ssp. occidentalis Chaparral false bindweed, Modoc morning glory, Western morning glory

native
Perennial herb

Calystegia occidentalis ssp. occidentalis

Calystegia peirsonii Peirson's morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia purpurata Morning glory, Pacific false bindweed, Smooth western morning glory

native
Perennial herb

Calystegia purpurata ssp. purpurata Pacific false bindweed, Purple western morning glory, Smooth western morning glory

native
Perennial herb

Calystegia purpurata ssp. saxicola Bodega morning glory, Pacific false bindweed

• rare native
Perennial herb

Calystegia sepium Western hedge bindweed

native
Perennial herb

Calystegia sepium ssp. americana Western hedge bindweed

native
Perennial herb

Calystegia sepium ssp. sepium Western hedge bindweed

native
Perennial herb

Calystegia sepium ssp. spectabilis Western hedge bindweed

native
Perennial herb

Calystegia sepium ssp. binghamiae Bingham's false bindweed, Santa barbara morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia sepium ssp. limnophila Hedge false bindweed, Marsh morning glory

native
Perennial herb

Calystegia silvatica Shortstalk false bindweed

non-native
Vine, Shrub

Calystegia silvatica ssp. disjuncta Shortstalk false bindweed

non-native
Vine, Shrub

Calystegia soldanella Beach morning glory, Beach morningglory

native
Perennial herb

Calystegia stebbinsii Cutleaf morning glory, El dorado morningglory, Stebbins's morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia subacaulis Hill morning glory, Hillside false bindweed, Stemless morning glory

native
Perennial herb

Calystegia subacaulis ssp. episcopalis Cambria morning glory, San luis obispo county morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia subacaulis ssp. subacaulis Cambria morning glory, Hill morning glory, Hillside false bindweed

native
Perennial herb

Calystegia vanzuukiae Van zuuk's morning-glory

• rare native
Perennial herb

Camassia leichtlinii Large camas

native
Perennial herb

Camassia leichtlinii ssp. leichtlinii Large camas

native
Perennial herb

Camassia leichtlinii ssp. suksdorfii Suksdorf's large camas

native
Perennial herb

Camassia quamash Camas, Common camas

native
Perennial herb

Camassia quamash ssp. quamash Camas, Common camas

native
Perennial herb

Camassia quamash ssp. utahensis Camas, Common camas

native
Perennial herb

Camassia quamash ssp. breviflora Small camas, Smallflowered camas

native
Perennial herb

Camassia quamash var. breviflora Small camas, Smallflowered camas

native
Perennial herb

Camelina microcarpa False flax, Little podded falseflax, Littleseed falseflax

non-native
Annual herb

Camissonia benitensis San benito evening primrose

• rare native
Annual herb

Camissonia campestris Field primrose, Field sun cup, Mojave suncup

native
Annual herb

Camissonia campestris ssp. campestris Field sun cup, Mojave suncup

native
Annual herb

Camissonia contorta Contorted sun cup, Plains evening primrose

native
Annual herb

Camissonia integrifolia Kern river evening primrose

• rare native
Annual herb

Camissonia kernensis Kern county evening primrose, Kern sun cups

native
Annual herb

Camissonia kernensis ssp. gilmani Kern county evening primrose, Kern sun cups

native
Annual herb

Camissonia kernensis ssp. gilmanii Gilman's evening primrose

native
Annual herb

Camissonia kernensis ssp. kernensis Kern county evening primrose

• rare native
Annual herb

Camissonia lacustris Grassland suncup, Lakebed sun cup

• rare native
Annual herb

Camissonia nevadensis Nevada suncup

non-native
Annual, Perennial herb

Camissonia parvula Lewis river suncup, Tiny sun cup

native
Annual herb

Camissonia pubens Hairy sun cup, Hairy suncup

native
Annual herb

Camissonia pusilla Little wiry sun cup, Raven s primrose

native
Annual herb

Camissonia sierrae ssp. alticola Mono hot springs evening primrose

• rare native
Annual herb

Camissonia sierrae ssp. sierrae Sierra sun cup, Sierra suncup

• rare native
Annual herb

Camissonia strigulosa Contorted primrose, Sandysoil suncup, Strigose sun cup

native
Annual herb

Camissonia bistorta California sun cup

native
Annual herb

Camissoniopsis bistorta California sun cup

native
Annual herb

Camissonia cheiranthifolia Beach evening-primrose

native
Perennial herb

Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening-primrose

native
Perennial herb

Camissonia cheiranthifolia ssp. cheiranthifolia

Camissoniopsis cheiranthifolia Beach evening-primrose

native
Perennial herb

Camissoniopsis cheiranthifolia ssp. cheiranthifolia Beach evening-primrose

native
Annual, Perennial herb

Camissoniopsis cheiranthifolia ssp. cheiranthifolia

Camissoniopsis cheiranthifolia ssp. suffruticosa Shrubby beach primrose

native
Perennial herb

Camissoniopsis cheiranthifolia ssp. suffruticosa

Camissoniopsis confusa San bernardino sun cup

native
Annual herb

Camissoniopsis guadalupensis ssp. clementina San clemente island evening-primrose

• rare native
Annual herb

Camissoniopsis guadalupensis ssp. clementina

Camissoniopsis hardhamiae Hardham's evening-primrose

• rare native
Annual herb

Camissonia hirtella Hairy sun cup

native
Annual herb

Camissoniopsis hirtella Hairy sun cup

native
Annual herb

Camissoniopsis ignota Jurupa hills sun cup

native
Annual herb

Camissoniopsis intermedia Intermediate sun cups

native
Annual herb

Camissoniopsis lewisii Lewis' evening-primrose

• rare native
Annual herb

Camissoniopsis luciae Santa lucia sun cup

native
Annual herb

Camissoniopsis micrantha Spencer primrose

native
Annual herb

Camissoniopsis pallida Pale yellow sun cup

native
Annual herb

Camissoniopsis pallida ssp. hallii Hall's sun cup

native
Annual herb

Camissoniopsis pallida ssp. pallida Pale sun cup

native
Annual herb

Camissoniopsis robusta Robust subcup

native
Annual herb

Campanula angustiflora Eastwood's bellflower, Eastwood's harebell

native
Annual herb

Campanula californica Swamp harebell

• rare native
Perennial herb (rhizomatous)

Campanula exigua Chaparral harebell

• rare native
Annual herb

Campanula griffinii Griffin's bellflower, Griffin's harebell

native
Annual herb

Campanula rotundifolia Alpine harebell, Bluebell, Round leaf harebell

native
Perennial herb

Campanula scabrella Rough harebell

• rare native
Perennial herb (rhizomatous)

Campanula scouleri Scouler's harebell

native
Perennial herb

Campanula sharsmithiae Sharsmith's harebell

• rare native
Annual herb

Campanula shetleri Castle crag's harebell, Castle crags harebell

• rare native
Perennial herb (rhizomatous)

Campanula wilkinsiana Wilkins' harebell

• rare native
Perennial herb (rhizomatous)

Campsis radicans Trumpet creeper

non-native
Vine

Canbya aurea Golden pygmypoppy

non-native
Annual herb

Canbya candida Pygmy poppy, White pygmypoppy

• rare native
Annual herb

Cannabis sativa Herb, Marijuana

non-native
Annual herb

Capsella bursa-pastoris Shepherd's purse

non-native
Annual herb

Capsicum annuum Cayenne pepper

non-native
Annual, Perennial herb

Caragana arborescens Siberian pea tree, Siberian peashrub

non-native
Tree, Shrub

Cardamine angulata Seaside bitter cress, Seaside bittercress

• rare native
Perennial herb

Cardamine bellidifolia Alpine bittercress

native
Perennial herb

Cardamine bellidifolia var. bellidifolia Alpine bittercress

native
Perennial herb

Cardamine bellidifolia var. bellidifolia

Cardamine bellidifolia var. pachyphylla Alpine bitter cress, Alpine bittercress, Fleshy toothwort

• rare native
Perennial herb

Cardamine breweri Brewer's bitter cress, Brewer's bittercress

native
Perennial herb

Cardamine californica California toothwort, milkmaids

native
Perennial herb

Cardamine californica var. californica California toothwort, milkmaids

native
Perennial herb

Cardamine californica var. sinuata California toothwort, milkmaids

native
Perennial herb

Cardamine cordifolia Heartleaf bittercress

native
Perennial herb

Cardamine flexuosa Woodland bittercress

non-native
Annual, Biennial, Perennial herb

Cardamine hirsuta Hairy bitter cress, Hairy bittercress

non-native
Annual herb

Cardamine nuttallii Nuttall's toothwort

native
Perennial herb

Cardamine nuttallii var. nuttallii Nuttall's toothwort

native
Perennial herb

Cardamine nuttallii var. gemmata Nuttall's toothwort, Yellow tubered toothwort

• rare native
Perennial herb (rhizomatous)

Cardamine occidentalis Big western bittercress, Western toothwort

native
Perennial herb

Cardamine oligosperma Bitter cress, Idaho bittercress

native
Annual, Perennial herb

Cardamine pachystigma Rock toothwort, Serpentine bittercress

native
Perennial herb

Cardamine pensylvanica Pennsylvania bittercress

native
Perennial herb

Cardionema ramosissimum Sand mat, Sandcarpet

native
Perennial herb

Cardiospermum halicacabum Balloon vine

non-native
Tree, Shrub

Carduus acanthoides Plumeless thistle, Spiny plumeless thistle

• invasive non-native
Perennial herb

Carduus acanthoides ssp. acanthoides Plumeless thistle

non-native
Perennial herb

Carduus nutans Musk thistle, Nodding plumeless thistle

• invasive non-native
Perennial herb

Carduus pycnocephalus Italian thistle

• invasive non-native
Annual herb

Carduus pycnocephalus ssp. pycnocephalus Italian thistle

non-native
Annual herb

Carduus pycnocephalus ssp. pycnocephalus

Carduus tenuiflorus Italian thistle, Slender flowered thistle, Winged plumeless thistle

• invasive non-native
Annual herb

Carex abrupta Abrupt beaked sedge

native
Perennial grasslike herb

Carex alma Sedge, Sturdy sedge

native
Perennial grasslike herb

Carex amplifolia Ample leaved sedge, Big leaf sedge

native
Perennial grasslike herb

Carex angustata Narrow leaved sedge, Wide fruit sedge

native
Perennial grasslike herb

Carex aquatilis Water sedge

native
Perennial grasslike herb

Carex aquatilis var. aquatilis Water sedge

native
Perennial grasslike herb

Carex aquatilis var. dives Sitka sedge

native
Perennial grasslike herb

Carex arcta Bear sedge

• rare native
Perennial grasslike herb

Carex atherodes Slough sedge

• rare native
Perennial grasslike herb

Carex athrostachya Slender beak sedge, Slender leaved sedge

native
Perennial grasslike herb

Carex aurea Golden fruited sedge, Golden sedge

native
Perennial grasslike herb

Carex barbarae Santa barbara sedge, Valley sedge

native
Perennial grasslike herb

Carex bella Southwestern showy sedge

native
Perennial grasslike herb

Carex bolanderi Bolander's sedge

native
Perennial grasslike herb

Carex brainerdii Brainerd's sedge

native
Perennial grasslike herb

Carex brevicaulis Short stem sedge

native
Perennial grasslike herb

Carex breweri Brewer's sedge

native
Perennial grasslike herb

Carex buxbaumii Buxbaum's sedge

• rare native
Perennial grasslike herb

Carex californica California sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex canescens Hoary sedge, Silvery sedge

native
Perennial grasslike herb

Carex canescens ssp. canescens Silvery sedge

native
Perennial grasslike herb

Carex capitata Capitate sedge

native
Perennial grasslike herb

Carex cephalophora Oval leaf sedge

non-native
Perennial grasslike herb

Carex comosa Bristly sedge, Longhair sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex concinnoides Northwestern sedge

native
Perennial grasslike herb

Carex congdonii Congdon's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex cusickii Cusick's sedge

native
Perennial grasslike herb

Carex cyrtostachya Arching sedge

• rare native
Perennial grasslike herb

Carex davyi Davy's sedge

• rare native
Perennial grasslike herb

Carex deflexa ssp. boottii Mountain mat sedge

native
Perennial grasslike herb

Carex deflexa var. boottii Mountain mat sedge

native
Perennial grasslike herb

Carex densa Dense sedge, Sedge

native
Perennial grasslike herb

Carex diandra Lesser panicled sedge

native
Perennial grasslike herb

Carex disperma Soft leaf sedge, Softleaf sedge

native
Perennial grasslike herb

Carex divulsa Grassland sedge

non-native
Perennial grasslike herb

Carex divulsa ssp. divulsa Gray sedge

non-native
Perennial grasslike herb

Carex douglasii Douglas sedge, Douglas' sedge

native
Perennial grasslike herb

Carex duriuscula Needleleaf sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex echinata Bristle fruit sedge, Star sedge

native
Perennial grasslike herb

Carex echinata ssp. echinata Bristle fruit sedge, Star sedge, Stellate sedge

native
Perennial grasslike herb

Carex echinata ssp. phyllomanica Star sedge

native
Perennial grasslike herb

Carex exsiccata Western inflated sedge

native
Perennial grasslike herb

Carex feta Feta sedge, Green sheathed sedge, Greensheath sedge

native
Perennial grasslike herb

Carex filifolia Thread leaf sedge, Threadleaf sedge

native
Perennial grasslike herb

Carex filifolia var. erostrata Shorthair sedge, Thread leaf sedge

native
Perennial grasslike herb

Carex fissuricola Cleft sedge

native
Perennial grasslike herb

Carex flacca Heath sedge

non-native
Perennial grasslike herb

Carex fracta Fragile sheath sedge, Fragile sheathed sedge

native
Perennial grasslike herb

$Carex fracta$
© 2022 Dana York

Carex garberi Elk sedge, Garber's sedge

native
Perennial grasslike herb

Carex geyeri Elk sedge, Elkgrass, Geyer's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex globosa Round fruit sedge

native
Perennial grasslike herb

Carex gracilior Slender sedge

native
Perennial grasslike herb

Carex gynodynama Olney's hairy sedge

native
Perennial grasslike herb

Carex halliana Hall's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex harfordii Harford's sedge, Monterey sedge

native
Perennial grasslike herb

Carex hassei Hasse's sedge, Salt sedge

native
Perennial grasslike herb

Carex haydeniana Cloud sedge

native
Perennial grasslike herb

Carex helleri Heller's sedge

native
Perennial grasslike herb

Carex hendersonii Henderson's sedge

native
Perennial grasslike herb

Carex heteroneura Different nerve sedge, Variable nerved sedge

native
Perennial grasslike herb

Carex heteroneura var. heteroneura Different nerve sedge, Variable nerved sedge

native
Perennial grasslike herb

Carex hirtissima Fuzzy sedge

native
Perennial grasslike herb

Carex hoodii Hood's sedge

native
Perennial grasslike herb

Carex hystericina Bottlebrush sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex hallii Idaho sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex idahoa Idaho sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex illota Sheep sedge, Small headed sedge

native
Perennial grasslike herb

Carex incurviformis Coastal sand sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex inops Long stolon sedge

native
Perennial grasslike herb

Carex inops ssp. inops Long stolon sedge

native
Perennial grasslike herb

Carex integra Smooth beak sedge

native
Perennial grasslike herb

Carex interior Inland sedge

native
Perennial grasslike herb

Carex jonesii Jones' sedge

native
Perennial grasslike herb

Carex laeviculmis Smooth stem sedge, Smoothstem sedge

native
Perennial grasslike herb

Carex lasiocarpa Slender sedge, Woolly fruited sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex lemmonii Lemmon's sedge

native
Perennial grasslike herb

Carex lenticularis Lakeshore sedge

native
Perennial grasslike herb

Carex lenticularis var. impressa Few ribbed sedge, Lakeshore sedge

native
Perennial grasslike herb

Carex lenticularis var. limnophila Lakeshore sedge

• rare native
Perennial grasslike herb

Carex lenticularis var. lipocarpa Fat fruited sedge, Kellogg's sedge

native
Perennial grasslike herb

Carex leporina Hare or oval sedge

native
Perennial grasslike herb

Carex leporinella Sierra hare sedge

native
Perennial grasslike herb

Carex leptalea Bristlestalked sedge, Flaccid sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex leptopoda Slender-footed sedge

native
Perennial grasslike herb

Carex limosa Mud sedge, Shore sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex livida Livid sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex luzulifolia Littleleaf sedge

native
Perennial grasslike herb

Carex luzulina Wood rush sedge, Woodrush sedge

native
Perennial grasslike herb

Carex luzulina var. ablata Wood rush sedge, Woodrush sedge

native
Perennial grasslike herb

Carex lyngbyei Lyngbye's sedge

• rare native
Perennial grasslike herb

Carex mariposana Mariposa sedge

native
Perennial grasslike herb

Carex mendocinensis Mendocino sedge

native
Perennial grasslike herb

Carex mertensii Mertens' sedge

native
Perennial grasslike herb

Carex microptera Small wing sedge

native
Perennial grasslike herb

Carex multicaulis Forest sedge, Many stemmed sedge

native
Perennial grasslike herb

Carex multicostata Many ribbed sedge, Manyrib sedge

native
Perennial grasslike herb

Carex nardina Spike sedge

• rare native
Perennial grasslike herb

Carex nebrascensis Nebraska sedge

native
Perennial grasslike herb

Carex nervina Sierra nerved sedge, Sierra sedge

native
Perennial grasslike herb

Carex neurophora Alpine nerve sedge

native
Perennial grasslike herb

Carex nigricans Black alpine sedge

native
Perennial grasslike herb

Carex nudata Dudley's sedge, Naked sedge, Torrent sedge

native
Perennial grasslike herb

Carex obispoensis San Luis Obispo sedge, San Luis sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex obnupta Coast carex, Slough sedge

native
Perennial grasslike herb

Carex occidentalis Western sedge

• rare native
Perennial grasslike herb

Carex orestera Boulder sedge

native
Perennial grasslike herb

Carex pachystachya Chamisso sedge, Thick headed sedge

native
Perennial grasslike herb

Carex pansa Sand dune sedge, Sanddune sedge

native
Perennial grasslike herb

Carex parryana Parry's sedge

native
Perennial grasslike herb (rhizomatous)

Carex pellita Woolly sedge

native
Perennial grasslike herb

Carex pendula Hanging sedge

• invasive non-native
Perennial grasslike herb

Carex petasata Liddon sedge, Liddon's sedge

• rare native
Perennial grasslike herb

Carex phaeocephala Brown head sedge, Dunhead sedge, Mountain hare sedge

native
Perennial grasslike herb

Carex praeceptorum Early sedge, Teacher's sedge

native
Perennial grasslike herb

Carex praegracilis Clustered field sedge, Field sedge

native
Perennial grasslike herb

Carex praticola Meadow sedge

• rare native
Perennial grasslike herb

Carex preslii Presl's sedge

native
Perennial grasslike herb

Carex proposita Great smoky mountain sedge, Propose sedge

native
Perennial grasslike herb

Carex raynoldsii Raynold's sedge, Raynolds' sedge

native
Perennial grasslike herb

Carex rossii Ross sedge, Ross' sedge

native
Perennial grasslike herb

Carex saliniformis Salt sedge

• rare native
Perennial grasslike herb

Carex sartwelliana Yosemite sedge

native
Perennial grasslike herb

Carex scabriuscula Siskiyou sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex schottii Schott's sedge

native
Perennial grasslike herb

Carex scirpoidea ssp. pseudoscirpoidea Single spiked sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex scirpoidea var. pseudoscirpoidea Single spiked sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex scoparia Pointed broom sedge

native
Perennial grasslike herb

Carex scopulorum Mountain sedge

native
Perennial grasslike herb

Carex scopulorum var. bracteosa Bracted sedge, Crater sedge, Mountain sedge

native
Perennial grasslike herb

Carex senta Rough sedge, Swamp carex, Swamp sedge

native
Perennial grasslike herb

Carex serpenticola Serpentine sedge

• rare native
Perennial grasslike herb

Carex serratodens Bifid sedge, Two tooth sedge

native
Perennial grasslike herb

Carex sheldonii Sheldon's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex simulata Analogue sedge, Short beaked sedge

native
Perennial grasslike herb

Carex specifica Narrow fruit sedge

native
Perennial grasslike herb

Carex spectabilis Showy sedge

native
Perennial grasslike herb

Carex spissa San diego sedge

native
Perennial grasslike herb

Carex norvegica Steven's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex stipata Awlfruit sedge

native
Perennial grasslike herb

Carex stipata var. stipata Awl fruited sedge, Owlfruit sedge

native
Perennial grasslike herb

Carex straminiformis Shasta sedge, Straw like sedge

native
Perennial grasslike herb

Carex subbracteata Small bract sedge

native
Perennial grasslike herb

Carex subfusca Brown sedge, Rusty slender sedge

native
Perennial grasslike herb

Carex subnigricans Blackish sedge, Nearlyblack sedge

native
Perennial grasslike herb

Carex tahoensis Tahoe sedge

• rare native
Perennial grasslike herb

Carex texensis Texas sedge

non-native
Perennial grasslike herb

Carex tiogana Tioga pass sedge, Tioga sedge

• rare native
Perennial grasslike herb

Carex tompkinsii Thompkins' sedge, Tompkins's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex triquetra Triangular fruit sedge, Triangularfruit sedge

native
Perennial grasslike herb

Carex tumulicola Foothill sedge, Slender sedge, Split awn sedge

native
Perennial grasslike herb

Carex unilateralis Lateral sedge

native
Perennial grasslike herb

Carex utriculata Beaked sedge, Northwest territory sedge

native
Perennial grasslike herb

Carex vallicola Valley sedge

• rare native
Perennial grasslike herb

Carex vernacula Native sedge

native
Perennial grasslike herb

Carex vesicaria Blister sedge

native
Perennial grasslike herb

Carex viridula ssp. viridula Little green sedge

• rare native
Perennial grasslike herb

Carex vulpinoidea Fox sedge

native
Perennial grasslike herb

Carex jepsonii Whitney's sedge

native
Perennial grasslike herb

Carex whitneyi Whitney's sedge

native
Perennial grasslike herb

Carex xerophila chaparral sedge

• rare native
Perennial herb

Carica papaya Papaya

non-native

CARICACEAE

Carissa macrocarpa Amatungulu

non-native
Tree, Shrub

Carlowrightia arizonica Arizona carlowrightia

• rare native
Shrub

Carlquistia muirii Muir's tarplant

• rare native
Perennial herb (rhizomatous)

Carnegiea gigantea Saguaro, giant cactus

• rare native
Shrub (stem succulent)

Carpenteria californica Bush anemone, Tree anemone

• rare native
Shrub

Carpobrotus chilensis Sea fig

• invasive non-native
Perennial herb

Mesembryanthemum chilense Sea fig

• invasive non-native
Perennial herb

Carpobrotus edulis Hottentot fig, Iceplant, Sea fig

• invasive non-native
Perennial herb

Carrichtera annua Wards weed

• invasive non-native
Annual herb

Carthamus creticus Smooth distaff thistle

non-native
Annual herb

Carthamus lanatus Woolly distaff thistle

• invasive non-native
Annual herb

Carthamus leucocaulos White stemmed distaff thistle, Whitestem distaff thistle

• invasive non-native
Annual herb

Carthamus tinctorius Safflower

non-native
Annual herb

Carum carvi Caraway

non-native
Perennial herb

Carya illinoinensis Pecan

non-native
Perennial herb

Cascadia nuttallii Nuttall's saxifrage

• rare native
Perennial herb

Casimiroa edulis White sapote

non-native
Shrub, Tree

Cassia fistula Golden shower

non-native
Shrub

Cassia leptophylla

non-native
Shrub

Cassiope mertensiana Western moss heather, White mountain heather

native
Shrub

Castanea dentata American chestnut

non-native
Tree

Castanea sativa European chestnut

non-native
Tree

Castela emoryi Crucifixion thorn

• rare native
Shrub

SIMAROUBACEAE

Castilleja affinis Indian paintbrush

native
Perennial herb

Castilleja affinis ssp. affinis Coast indian paintbrush

native
Perennial herb

Castilleja affinis ssp. litoralis Coast indian paintbrush, Seashore indian paintbrush

native
Perennial herb

Castilleja affinis ssp. neglecta Tiburon indian paintbrush

native
Perennial herb (hemiparasitic)

Castilleja affinis var. neglecta Tiburon paintbrush

• rare native
Perennial herb

Castilleja ambigua Johnny nip, Paintbrush orthocarpus

native
Annual herb

Castilleja ambigua ssp. meadii Johnny nip, Paintbrush orthocarpus

native
Annual herb

Castilleja ambigua ssp. ambigua Johnny nip

native
Annual herb

Orthocarpus castillejoides Johnny nip

native
Annual herb

Castilleja ambigua ssp. humboldtiensis Humboldt bay owl's clover

native
Annual herb (hemiparasitic)

Castilleja ambigua ssp. insalutata Ambiguous indian paintbrush, Johnny nip

native
Annual herb

Castilleja applegatei Pine indian paintbrush, Wavy leaf paintbrush, Wavy leaved paintbrush

native
Perennial herb

Castilleja applegatei ssp. applegatei Pine indian paintbrush, Wavy leaf paintbrush, Wavy leaved paintbrush

native
Perennial herb

Castilleja applegatei ssp. disticha Forked wavy leaf paintbrush, Wavyleaf indian paintbrush

native
Perennial herb

Castilleja applegatei ssp. martinii Martin's paintbrush, Wavyleaf indian paintbrush

native
Perennial herb

Castilleja martinii var. clokeyi Martin's paintbrush, Wavyleaf indian paintbrush

native
Perennial herb

Castilleja applegatei ssp. pallida Brewer's indian paintbrush, Wavyleaf indian paintbrush

native
Perennial herb

Castilleja applegatei ssp. pinetorum Pine wavy leaf paintbrush, Wavy leaved indian paintbrush

native
Perennial herb

Castilleja applegatei var. pinetorum Pine wavy leaf paintbrush, Wavy leaved indian paintbrush

native
Perennial herb

Castilleja arachnoidea Cobwebby indian paintbrush, Cobwebby paintbrush

native
Perennial herb

Castilleja attenuata Narrow leaved owl's clover, Valley tassels

native
Annual herb

Castilleja brevilobata Short-lobed paintbrush

• rare native
Perennial herb

Castilleja hispida ssp. brevilobata Short-lobed paintbrush

• rare native
Perennial herb

Castilleja brevistyla Short style owl's clover, Shortstyle indian paintbrush

native
Annual herb

Castilleja campestris Vernal pool indian paintbrush, Yellow owl's clover

native
Annual herb

Castilleja campestris ssp. campestris Field owl clover, Vernal pool indian paintbrush, Yellow owl's clover

native
Annual herb

Castilleja campestris ssp. succulenta Succulent owl's clover

native
Annual herb (hemiparasitic)

Castilleja angustifolia Desert paintbrush

native
Perennial herb

Castilleja angustifolia var. dubia Desert paintbrush

native
Perennial herb

Castilleja angustifolia var. flavescens Desert paintbrush

native
Perennial herb

Castilleja chromosa Desert paintbrush

native
Perennial herb

Castilleja cinerea Ash gray indian paintbrush, Ashgray indian paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja densiflora Dense flower owl's clover, Denseflower indian paintbrush

native
Annual herb

Castilleja densiflora ssp. densiflora Dense flower owl's clover, Denseflower indian paintbrush

native
Annual herb

Castilleja densiflora ssp. gracilis Denseflower indian paintbrush, Graceful owl's clover

native
Annual herb

Castilleja densiflora ssp. obispoensis Obispo indian paintbrush, San luis obispo owl's clover

native
Annual herb

Castilleja exserta Owl's clover, Purple owl's clover

native
Annual herb

Castilleja exserta ssp. exserta; Owl's clover, Purple owl's clover

native
Annual herb

Castilleja exserta ssp. exserta Exserted indian paintbrush, Pale purple owlclover, Purple owl's clover

native
Annual herb

Orthocarpus purpurascens Exserted indian paintbrush, Pale purple owlclover, Purple owl's clover

native
Annual herb

Castilleja exserta ssp. latifolia Purple owl's clover, Wideleaf indian paintbrush

native
Annual herb

Castilleja exserta ssp. venusta Exserted indian paintbrush, Purple owl's clover

native
Annual herb

Castilleja foliolosa Texas paintbrush, Woolly indian paintbrush

native
Perennial herb

Castilleja gleasoni Mt. Gleason paintbrush

• rare native
Perennial herb

Castilleja grisea San clemente island indian paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja hispida Harsh indian paintbrush

native
Perennial herb (hemiparasitic)

Castilleja hololeuca Island white-felted paintbrush

• rare native
Perennial herb

Castilleja lanata ssp. hololeuca Island white-felted paintbrush

• rare native
Perennial herb

Castilleja lacera Cut leaved owl's clover, Cutleaf indian paintbrush, Foothill owl's clover

native
Annual herb

Castilleja lanata

native
Perennial herb (hemiparasitic)

Castilleja lasiorhyncha San bernardino mountains owl's clover, San bernardino mtns. owl's clover

• rare native
Annual herb (hemiparasitic)

Castilleja lassenensis Lassen paintbrush

• rare native
Perennial herb

Castilleja latifolia Monterey indian paintbrush, Seaside paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja lemmonii Lemmon's indian paintbrush, Lemmon's paintbrush

native
Perennial herb

Castilleja linariifolia Desert paintbursh, Wyoming paintbrush

native
Perennial herb

Castilleja lineariloba Sagebrush indian paintbrush, Thin lobed owl's clover, Valley tassels

native
Annual herb

Castilleja mendocinensis Mendocino coast paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja miniata Great red paintbrush, Scarlet paintbrush

native
Perennial herb

Castilleja miniata ssp. elata Siskiyou indian paintbrush

native
Perennial herb (hemiparasitic)

Castilleja miniata ssp. miniata Giant red indian paintbrush, Scarlet indian paintbrush

native
Perennial herb

Castilleja minor Lesser indian paintbrush, Little paintbrush

native
Annual herb

Castilleja minor ssp. stenantha Lesser indian paintbrush, Little paintbrush

native
Annual herb

Castilleja minor var. exilis Lesser indian paintbrush, Little paintbrush

native
Annual herb

Castilleja minor ssp. minor Lesser indian paintbrush, Lesser paintbrush

native
Annual herb

Castilleja minor ssp. spiralis Lesser indian paintbrush, Lesser paintbrush

native
Annual herb

Castilleja mollis Soft leaved indian paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja montigena Heckard's indian paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja nana Dwarf alpine indian paintbrush, Dwarf alpine paintbrush

native
Perennial herb

Castilleja parviflora Peirson's paintbrush

native
Perennial herb

Castilleja parviflora var. albida Peirson's paintbrush

native
Perennial herb

Castilleja parviflora var. olympica Peirson's paintbrush

native
Perennial herb

Castilleja parviflora var. oreopola Peirson's paintbrush

native
Perennial herb

Castilleja peirsonii Peirson's paintbrush

native
Perennial herb

Castilleja pilosa Parrothead indian paintbrush, Pilose paintbrush

native
Perennial herb

Castilleja pilosa var. pilosa Parrothead indian paintbrush, Pilose paintbrush

native
Perennial herb

Castilleja pilosa var. steenensis Parrothead indian paintbrush, Pilose paintbrush

native
Perennial herb

Castilleja plagiotoma Mojave indian paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja praeterita Salmon creek indian paintbrush, Salmon creek paintbrush

native
Perennial herb

Castilleja pruinosa Frosted indian paintbrush, Frosted paintbrush

native
Perennial herb (hemiparasitic)

Castilleja rubicundula ssp. lithospermoides Cream sacs

native
Annual herb

Castilleja rubicundula ssp. lithospermoides

Castilleja rubicundula ssp. rubicundula Cream sacs

native
Annual herb

Castilleja schizotricha Split hair indian paintbrush, Splithair indian paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja subinclusa Franciscan paint brush, Longleaf indian paintbrush

native
Perennial herb

Castilleja subinclusa ssp. fanciscana Franciscan paint brush, Longleaf indian paintbrush

native
Perennial herb

Castilleja subinclusa ssp. franciscana Franciscan paintbrush, Longleaf indian paintbrush

native
Perennial herb

Castilleja subinclusa ssp. subinclusa Long leaf paintbrush, Longleaf indian paintbrush

native
Perennial herb

Castilleja sulphurea Sulphur indian paintbrush

non-native
Perennial herb

Castilleja tenuis Hairy indian paintbrush, Hairy owl's clover

native
Annual herb

Orthocarpus hispidus Hairy indian paintbrush, Hairy owl's clover

native
Annual herb

Castilleja uliginosa Pitkin marsh indian paintbrush

• rare native
Perennial herb (hemiparasitic)

Castilleja wightii Wight's indian paint brush, Wight's paintbrush

native
Perennial herb

Casuarina cunninghamiana River sheoak

non-native
Perennial herb

CASUARINACEAE

Casuarina equisetifolia Australian Pine, Beach sheoak

• invasive non-native
Tree

CASUARINACEAE

Catalpa bignonioides Southern catalpa

non-native
Tree

Catalpa speciosa Northern catalpa

non-native
Tree

Catha edulis Khat

non-native
Tree, Shrub

Catharanthus roseus Madagascar periwinkle

• invasive non-native
Shrub (stem succulent)

Caulanthus amplexicaulis Clasping leaved caulanthus, Claspingleaf wild cabbage

native
Annual herb

Caulanthus amplexicaulis var. barbarae Claspingleaf wild cabbage, Santa barbara jewelflower

• rare native
Annual herb

Caulanthus anceps Lemmon's mustard

native
Annual herb

Caulanthus californicus California jewelflower

• rare native
Annual herb

Caulanthus cooperi Cooper caulanthus, Cooper's jewel flower, Cooper's wild cabbage

native
Annual herb

Caulanthus coulteri Coulter's jewel flower, Coulter's wild cabbage

native
Annual herb

Caulanthus crassicaulis Thick stemmed caulanthus, Thickstem wild cabbage

native
Perennial herb

Caulanthus crassicaulis ssp. crassicaulis Thick stemmed caulanthus, Thickstem wild cabbage

native
Perennial herb

Caulanthus crassicaulis ssp. crassicaulis

Caulanthus crassicaulis var. crassicaulis Thick stemmed caulanthus, Thickstem wild cabbage

native
Perennial herb

Caulanthus crassicaulis var. crassicaulis

Caulanthus crassicaulis var. glaber Thick stemmed caulanthus, Thickstem wild cabbage

native
Perennial herb

Caulanthus flavescens Yellow california mustard

native
Annual herb

Caulanthus glaucus Glaucous caulanthus, Glaucous wild cabbage

native
Perennial herb

Caulanthus hallii Hall's caulanthus, Hall's wild cabbage

native
Annual herb

Caulanthus heterophyllus San diego wild cabbage, Slender pod jewelflower

native
Annual herb

Caulanthus inflatus Desert candle

native
Annual herb

Caulanthus lasiophyllus California mustard

native
Annual herb

Guillenia lasiophylla California mustard

native
Annual herb

Caulanthus lemmonii Lemmon's jewelflower, Lemmon's wild cabbage

• rare native
Annual herb

Caulanthus major Slender wild cabbage

native
Perennial herb

Caulanthus major var. nevadensis Sierra nevada wild cabbage, Slender wild cabbage

• rare native
Perennial herb

Caulanthus pilosus Hairy wild cabbage, Chocolate drops

native
Annual, Perennial herb

Caulanthus simulans Payson's wild cabbage

• rare native
Annual herb

Caulerpa taxifolia Killer alga

non-native

CAULERPACEAE

Ceanothus americanus New jersey tea

non-native
Shrub

Ceanothus arboreus Catalina ceanothus, Feltleaf ceanothus, Island ceanothus

native
Shrub

Ceanothus arcuatus Arching ceanothus

native
Tree, Shrub

Ceanothus confusus Rincon ridge ceanothus

• rare native
Shrub

Ceanothus cordulatus Mountain whitethorn

native
Shrub

Ceanothus crassifolius Hoary leaved ceanothus, Hoaryleaf ceanothus

native
Shrub

Ceanothus crassifolius var. crassifolius Hoary leaved ceanothus

native
Shrub

Ceanothus crassifolius var. crassifolius

Ceanothus cuneatus Buck brush, Wedgeleaf ceanothus

native
Shrub

Ceanothus cuneatus var. ramulosa Buck brush, Wedgeleaf ceanothus

native
Shrub

Ceanothus cuneatus var. cuneatus Buck brush, Buckbrush

native
Shrub

Ceanothus ramulosus Buck brush, Buckbrush

native
Shrub

Ceanothus cuneatus var. fascicularis Sand buck brush, Sedgeleaf buckbrush

• rare native
Shrub

Ceanothus cuneatus var. ramulosus Buck brush

native
Shrub

Ceanothus cyaneus Lakeside ceanothus, San diego buckbrush, San diego ceanothus

• rare native
Shrub

Ceanothus decornutus Nicasio ceanothus

• rare native
Shrub

Ceanothus dentatus Dwarf ceanothus, Sandscrub ceanothus

native
Shrub

Ceanothus divergens Calistoga ceanothus

• rare native
Shrub

Ceanothus diversifolius Pinemat

native
Shrub

Ceanothus ferrisiae Coyote ceanothus

• rare native
Shrub

Ceanothus foliosus Wavy leaved ceanothus, Wavyleaf ceanothus

native
Shrub

Ceanothus foliosus var. foliosus Wavy leaved ceanothus, Wavyleaf ceanothus

native
Shrub

Ceanothus foliosus var. medius La cuesta ceanothus, Wavyleaf buckbrush

native
Shrub

Ceanothus foliosus var. vineatus Vine hill ceanothus

• rare native
Shrub

Ceanothus fresnensis Fresno ceanothus, Fresno mat

• rare native
Shrub

Ceanothus gloriosus Glory mat, Point reyes ceanothus

native
Shrub

Ceanothus gloriosus var. exaltatus Glory brush, Point reyes ceanothus

• rare native
Shrub

Ceanothus gloriosus var. gloriosus Point reyes ceanothus

• rare native
Shrub

Ceanothus gloriosus var. porrectus Inverness ceanothus, Mt. vision ceanothus

• rare native
Shrub

Ceanothus greggii Desert ceanothus

native
Shrub

Ceanothus hearstiorum Hearst ranch buckbrush, Hearst's ceanothus

• rare native
Shrub

Ceanothus impressus Santa barbara ceanothus

native
Shrub

Ceanothus impressus var. impressus Santa barbara ceanothus

native
Shrub

Ceanothus impressus var. nipomensis Nipomo mesa ceanothus, Santa barbara ceanothus

native
Shrub

Ceanothus incanus Coast whitethorn

native
Shrub

Ceanothus integerrimus Deer brush, Deerbrush

native
Shrub

Ceanothus integerrimus var. integerrimus Deer brush

native
Shrub

Ceanothus integerrimus var. integerrimus

Ceanothus integerrimus var. macrothyrsus Deerbrush

native
Shrub

Ceanothus integerrimus var. macrothyrsus

Ceanothus jepsonii Jepson ceanothus, Musk brush

native
Shrub

Ceanothus lemmonii Lemmon's ceanothus

native
Shrub

Ceanothus leucodermis Chaparral whitethorn

native
Shrub

Ceanothus maritimus Maritime ceanothus, San luis obispo ceanothus

• rare native
Shrub

Ceanothus masonii Bolinas ceanothus, Mason's ceanothus

• rare native
Shrub

Ceanothus megacarpus Big pod ceanothus, Bigpod ceanothus

native
Shrub

Ceanothus megacarpus var. insularis Island bigpod ceanothus, Island ceanothus

• rare native
Shrub

Ceanothus megacarpus var. megacarpus Big pod ceanothus, Bigpod ceanothus

native
Shrub

Ceanothus divaricatus Hairy ceanothus

native
Shrub

Ceanothus oliganthus Hairy ceanothus

native
Shrub

Ceanothus oliganthus var. oliganthus Hairy ceanothus

native
Shrub

Ceanothus oliganthus var. sorediatus Jim brush

native
Shrub

Ceanothus sorediatus Jim brush

native
Shrub

Ceanothus ophiochilus Vail lake ceanothus

• rare native
Shrub

Ceanothus otayensis Otay mountain ceanothus

• rare native
Shrub

Ceanothus palmeri Palmer ceanothus, Palmer's ceanothus

native
Shrub

Ceanothus papillosus warty-leaf ceanothus, Wartleaf ceanothus

native
Shrub

Ceanothus parryi Parry ceanothus

native
Shrub

Ceanothus parvifolius Little leaf ceanothus, Littleleaf ceanothus

native
Shrub

Ceanothus greggii var. vestitus Mojave ceanothus

native
Shrub

Ceanothus vestitus Mojave ceanothus

native
Shrub

Ceanothus perplexans Cupped leaf ceanothus

native
Shrub

Ceanothus pinetorum Coville ceanothus, Kern ceanothus

• rare native
Shrub

Ceanothus prostratus Mahala mats, Pinemat

native
Shrub

Ceanothus prostratus var. prostratus Mahala mat

native
Shrub

Ceanothus pumilus Dwarf ceanothus, Siskiyou mat

native
Shrub

Ceanothus purpureus Hollyleaf ceanothus, Napa ceanothus

• rare native
Shrub

Ceanothus rigidus Monterey ceanothus

• rare native
Shrub

Ceanothus roderickii Pine hill buckbrush, Pine hill ceanothus

• rare native
Shrub

Ceanothus sanguineus Red stem ceanothus, Redstem ceanothus

native
Shrub

Ceanothus sonomensis Sonoma ceanothus

• rare native
Shrub

Ceanothus spinosus Greenbark ceanothus, Redheart

native
Tree, Shrub

Ceanothus thyrsiflorus Blueblossom

native
Tree, Shrub

Ceanothus thyrsiflorus var. griseus Carmel ceanothus

native
Shrub

Ceanothus thyrsiflorus var. thyrsiflorus Blue blossom

native
Tree, Shrub

Ceanothus thyrsiflorus var. thyrsiflorus

Ceanothus tomentosus Woolly leaf ceanothus, Woolyleaf ceanothus

native
Shrub

Ceanothus velutinus Tobacco brush, snowbrush

native
Tree, Shrub

Ceanothus velutinus var. hookeri Tobacco brush, snowbrush

native
Tree, Shrub

Ceanothus velutinus var. velutinus Tobacco brush, snowbrush

native
Tree, Shrub

Ceanothus verrucosus Barranca brush, White coast ceanothus, Wart-Stemmed Ceanothus

• rare native
Shrub

Ceanothus Xlorenzenii Whitethorn x tobacco brush

native
Tree, Shrub

Cedrela odorata Spanish cedar

non-native
Tree

MELIACEAE

Cedronella canariensis Herb of gilead

non-native
Perennial herb, Shrub

Cedrus deodara Deodar cedar, Himalayan Cedar

non-native
Tree

Cedrus libani var. stenocoma

non-native
Tree

Celtis australis European hackberry

non-native
Tree

Celtis laevigata Sugarberry

native
Tree

Celtis occidentalis Sugarberry

native
Tree

Celtis reticulata Net leaf hackberry, Western hackberry

native
Tree

Celtis sinensis Chinese hackberry

non-native
Tree

Cenchrus echinatus Southern sandbur

• invasive non-native
Annual grass

Cenchrus incertus Coast sandbur

• invasive non-native
Annual grass

Cenchrus spinifex Coast sandbur

• invasive non-native
Annual grass

Cenchrus longispinus Mat sandbur

• invasive non-native
Annual grass

Centaurea benedicta Blessed thistle

non-native
Annual herb

Cnicus benedictus Blessed thistle

non-native
Annual herb

Centaurea calcitrapa Purple star thistle, Red star thistle

• invasive non-native
Annual, Perennial herb

Centaurea cineraria Dusty miller

non-native
Perennial herb

Centaurea cyanus Garden cornflower

non-native
Annual herb

Centaurea cyanus var. alba Garden cornflower

non-native
Annual herb

Centaurea diffusa Diffuse knapweed, White knapweed

• invasive non-native
Perennial herb

Centaurea diluta North African knapweed, Star thistle

• invasive non-native
Annual herb

Centaurea iberica Iberian knapweed

• invasive non-native
Perennial herb

Centaurea jacea Brownray knapweed, Brown knapweed

non-native
Perennial herb

Centaurea xpratensis Brownray knapweed, Brown knapweed

non-native
Perennial herb

Centaurea jacea ssp. jacea Brown knapweed

non-native
Perennial herb

Centaurea jacea ssp. nigra Black knapweed

non-native
Perennial herb

Centaurea nigra Black knapweed

non-native
Perennial herb

Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote

• invasive non-native
Annual herb

Centaurea debeauxii ssp. thuillieri Tyrol knapweed

non-native
Perennial herb

Centaurea nigrescens Tyrol knapweed

non-native
Perennial herb

Centaurea xpouzinii Pouzin's star-thistle

non-native
Perennial herb

Centaurea solstitialis Barnaby's thistle, Yellow star thistle

• invasive non-native
Annual herb

Centaurea stoebe ssp. stoebe Spotted knapweed

non-native
Perennial herb

Centaurea biebersteinii Spotted knapweed

• invasive non-native
Perennial herb

Centaurea maculosa Spotted knapweed

• invasive non-native
Perennial herb

Centaurea stoebe ssp. micranthos Spotted knapweed

• invasive non-native
Perennial herb

Centaurea sulphurea Sicilian star thistle, Sulphur knapweed

• invasive non-native
Annual herb

Centaurea triumfettii ssp. adscendens Squarrose knapweed

• invasive non-native
Perennial herb

Centaurea virgata ssp. squarrosa Squarrose knapweed

• invasive non-native
Perennial herb

Centaurium erythraea Common centaury, European centaury

non-native
Annual herb

Centaurium erythraea ssp. erythraea Common centaury, European centaury

non-native
Annual herb

Centaurium pulchellum Branched centaury

non-native
Annual herb

Centaurium tenuiflorum Slender centaury

non-native
Annual herb

Centranthus ruber Jupiter's beard, Red valerian

non-native
Annual, Perennial herb

Centromadia fitchii Spikeweed

native
Annual herb

Hemizonia fitchii Spikeweed

native
Annual herb

Centromadia parryi ssp. australis Southern tarplant

• rare native
Annual herb

Centromadia parryi ssp. congdonii Congdon's tarplant

• rare native
Annual herb

Centromadia parryi ssp. parryi Pappose tarplant

• rare native
Annual herb

Centromadia parryi ssp. rudis Pappose tarweed

• rare native
Annual herb

Centromadia pungens Common tarweed, Common spikeweed

native
Annual herb

Hemizonia pungens Common tarweed, Common spikeweed

native
Annual herb

Centromadia pungens ssp. laevis Smooth tarplant

• rare native
Annual herb

Centromadia pungens ssp. pungens Common tarweed

native
Annual herb

Hemizonia pungens ssp. pungens Common tarweed

native
Annual herb

Centrostegia thurberi Red triangles, Thurber spiny herb, Thurber's spineflower

native
Annual herb

Cephalanthera austiniae Phantom orchid

native
Perennial herb

Cephalanthus occidentalis Common buttonbush

native
Shrub

Cephalanthus occidentalis var. californicus Common buttonbush

native
Shrub

Cephalanthus occidentalis var. californicus

Cerastium arvense Field chickweed, Meadow chickweed

native
Perennial herb

Cerastium arvense ssp. strictum Field chickweed

native
Perennial herb

Cerastium strictum Field chickweed

native
Perennial herb

Cerastium alpinum ssp. lanatum Bering chickweed

native
Perennial herb

Cerastium beeringianum Bering chickweed

native
Perennial herb

Cerastium beeringianum ssp. earlei Bering chickweed

native
Perennial herb

Cerastium fontanum ssp. vulgare Big chickweed, Common chickweed, Mouseear chickweed

non-native
Perennial herb

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native
Annual herb

Cerastium tomentosum Snow in summer

non-native
Perennial herb

Cerastium viride Field chickweed

native
Perennial herb

Ceratonia siliqua St. John's bread, Carob

non-native
Tree

Ceratophyllum demersum Coon's tail, Hornwort

native
Perennial herb

CERATOPHYLLACEAE

Ceratostigma plumbaginoides Blue leadwood

non-native
Perennial herb

Cercis canadensis Redbud, Western redbud

native
Tree, Shrub

Cercis canadensis var. mexicana Redbud, Western redbud

native
Tree, Shrub

Cercis canadensis var. texensis Redbud, Western redbud

native
Tree, Shrub

Cercis occidentalis Redbud, Western redbud

native
Tree, Shrub

Cercis occidentalis var. orbiculata Redbud, Western redbud

native
Tree, Shrub

Cercocarpus betuloides Birch leaf mountain mahogany, Mountain mahogany

native
Tree, Shrub

Cercocarpus montanus Birch leaf mountain mahogany, Mountain mahogany

native
Tree, Shrub

Cercocarpus montanus var. glaber Birch leaf mountain mahogany, Mountain mahogany

native
Tree, Shrub

Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany

native
Tree, Shrub

Cercocarpus betuloides var. blancheae Catalinamahogany, Island mountain mahogany

• rare native
Shrub

Cercocarpus betuloides var. macrourus Few flowered mountain mahogany

native
Tree, Shrub

Cercocarpus macrourus Few flowered mountain mahogany

native
Tree, Shrub

Cercocarpus ledifolius Curl leaf mountain mahogany, Desert mountain mahogany

native
Tree, Shrub

Cercocarpus ledifolius var. intercedens Curl leaf mountain mahogany, Curl leaved mountain mahogany

native
Tree, Shrub

Cercocarpus ledifolius var. intermontanus Curl leaf mountain mahogany, Curl leaved mountain mahogany

native
Tree, Shrub

Cercocarpus ledifolius var. intermontanus

Cercocarpus intricatus Little leaved mountain mahogany

native
Shrub

Cercocarpus ledifolius var. intricatus Little leaved mountain mahogany

native
Shrub

Cercocarpus ledifolius var. ledifolius Curl leaf mountain mahogany

native
Tree, Shrub

Cercocarpus minutiflorus Smooth mountain mahogany

native
Shrub

Cercocarpus traskiae Catalina island mountain mahogany

• rare native
Shrub

Cestrum aurantiacum Orange jessamine

non-native
Tree

Cestrum elegans Purple cestrum

non-native
Tree

Cestrum fasciculatum Purple cestrum

non-native
Tree

Cestrum nocturnum Night jessamine

non-native
Tree

Cestrum parqui Chilean jessamine

• invasive non-native
Tree

Cevallia sinuata Stinging serpent

non-native
Perennial herb

Chaenactis alpigena Southern sierra chaenactis, Southern sierra pincushion

native
Perennial herb

Chaenactis artemisiifolia Artemisia leaved chaenactis, White pincushion

native
Annual herb

Chaenactis carphoclinia Pebble pincushion

native
Annual herb

Chaenactis carphoclinia var. carphoclinia Pebble pincushion

native
Annual herb

Chaenactis carphoclinia var. carphoclinia

Chaenactis carphoclinia var. peirsonii Peirson's pincushion

• rare native
Annual herb

Chaenactis douglasii Chaenactis, Hoary chaenactis

native
Annual, Perennial herb

Chaenactis alpina Alpine dusty pincushion

• rare native
Perennial herb

Chaenactis douglasii var. alpina Alpine dusty pincushion

• rare native
Perennial herb

Chaenactis douglasii var. douglasii Hoary chaenactis, Dusty pincushions, False Yarrow

native
Annual, Perennial herb

Chaenactis fremontii Fremont pincushion, Pincushion flower

native
Annual herb

Chaenactis glabriuscula Common yellow chaenactis, Yellow pincushion

native
Annual herb

Chaenactis glabriuscula var. orcuttiana_intergrade Common yellow chaenactis, Yellow pincushion

native
Annual herb

Chaenactis glabriuscula var. orcuttiana_intergrade

Chaenactis glabriuscula var. glabriuscula Common yellow chaenactis, Yellow pincushion

native
Annual herb

Chaenactis glabriuscula var. glabriuscula

Chaenactis glabriuscula var. heterocarpha Variable fruited yellow chaenactis, Yellow pincushion, Inner Coast Range Pincushion

native
Annual herb

Chaenactis glabriuscula var. heterocarpha

Chaenactis glabriuscula var. lanosa Pincushion flower, Woolly yellow chaenactis

native
Annual herb

Chaenactis lanosa Pincushion flower, Woolly yellow chaenactis

native
Annual herb

Chaenactis glabriuscula var. megacephala Big headed yellow chaenactis, Yellow pincushion

native
Annual herb

Chaenactis glabriuscula var. megacephala

Chaenactis glabriuscula var. orcuttiana Orcutt's yellow chaenactis, Orcutt's yellow pincushion

• rare native
Annual herb

Chaenactis macrantha Large flowered chaenactis, Mohave pincushion

native
Annual herb

Chaenactis nevadensis Northern sierra chaenactis, Sierra chaenactis

native
Perennial herb

Chaenactis parishii Parish's chaenactis

• rare native
Perennial herb

Chaenactis santolinoides Santolina chaenactis, Santolina pincushion

native
Perennial herb

Chaenactis stevioides Desert pincushion, Esteve pincushion

native
Annual herb

Chaenactis suffrutescens Shasta chaenactis

• rare native
Perennial herb

Chaenactis xantiana Fleshcolor pincushion, Xantus pincushion, Xantus' chaenactis

native
Annual herb

Chaetadelpha wheeleri Wheeler's chaetadelpha, Wheeler's skeletonweed

• rare native
Perennial herb

Chaetopappa ericoides Heath leaved chaetopappa, Rose heath

native
Perennial herb

Chamaebatia australis Southern bearclover, Southern mountain misery

• rare native
Shrub

Chamaebatia foliolosa Bearclover, mountain misery, Sierran mountain misery

native
Shrub

Chamaebatiaria millefolium Desertsweet, Fern bush

native
Shrub

Chamaecyparis lawsoniana Port orford cedar

native
Tree

Chamaecyparis thyoides Atlantic white cedar

non-native
Tree

Chamaemelum fuscatum Dusky dog fennel, Dusky dogfennel

non-native
Annual herb

Chamaemelum nobile Roman chamomile, Russian chamomile

non-native
Perennial herb

Chamaesaracha nana Dwarf chamaesaracha, Dwarf chamaesarachia

native
Perennial herb

Leucophysalis nana Dwarf chamaesaracha, Dwarf chamaesarachia

native
Perennial herb

Chamaesaracha sordida Hairy five eyes

non-native
Perennial herb

Chamerion angustifolium Fireweed

native
Perennial herb

Chamerion angustifolium ssp. angustifolium Fireweed

native
Perennial herb

Chamerion angustifolium ssp. angustifolium

Epilobium angustifolium Fireweed

native
Perennial herb

Epilobium angustifolium ssp. angustifolium Fireweed

native
Perennial herb

Epilobium angustifolium ssp. angustifolium

Chamerion angustifolium ssp. circumvagum Fireweed

native
Perennial herb

Chamerion angustifolium ssp. circumvagum

Epilobium angustifolium ssp. circumvagum Fireweed

native
Perennial herb

Epilobium angustifolium ssp. circumvagum

Chamerion latifolium Dwarf fireweed

native
Perennial herb

Epilobium latifolium Dwarf fireweed

native
Perennial herb

Chasmanthe bicolor Chasmanthe

non-native
Perennial herb

Chasmanthe floribunda African cornflag, Chasmanthe

• invasive non-native
Perennial herb

Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot

non-native
Annual herb

Chenopodium atrovirens Dark green goosefoot, Forest goosefoot, Pinyon goosefoot

native
Annual herb

Chenopodium berlandieri Berlandier's goosefoot, Pit seed goosefoot

native
Annual herb

Chenopodium berlandieri var. sinuatum Pitseed goosefoot

native
Annual herb

Chenopodium bonus-henricus Good king henry

non-native
Perennial herb

Chenopodium californicum California goosefoot, Pigweed, Soaproot

native
Perennial herb

Chenopodium capitatum Blite goosefoot, Strawberry blite

non-native
Annual herb

Chenopodium capitatum var. capitatum Strawberry blite

native
Annual herb

Chenopodium capitatum var. parvicapitatum Strawberry blite

non-native
Annual herb

Chenopodium capitatum var. parvicapitatum

Chenopodium chenopodioides Low goosefoot

non-native
Annual herb

Chenopodium desiccatum Aridland goosefoot, Dry goosefoot

native
Annual herb

Chenopodium fremontii Fremont's goosefoot

native
Annual herb

Chenopodium glaucum Oak leaved goosefoot

native
Annual herb

Chenopodium incanum var. occidentale Mealy goosefoot, Pigweed, Western goosefoot

native
Perennial herb

Chenopodium leptophyllum Narrowleaf goosefoot, Thin leaved goosefoot

native
Annual herb

Chenopodium littoreum Coastal goosefoot

• rare native
Annual herb

Chenopodium macrospermum Largeseed goosefoot

non-native
Annual herb

Chenopodium murale Nettle leaf goosefoot, Sowbane

non-native
Annual herb

Chenopodium nevadense Nevada goosefoot

native
Annual herb

Chenopodium opulifolium Seaport goosefoot, White goosefoot

non-native
Annual herb

Chenopodium simplex Large seeded goosefoot, Mapleleaf goosefoot

• rare native
Annual herb

Chenopodium vulvaria Stinking goosefoot

non-native
Annual herb

Chilopsis linearis Desert willow

native
Shrub

Chilopsis linearis ssp. aculeata Desert willow

native
Shrub

Chilopsis linearis ssp. arcuata Desert willow

native
Shrub

Chimaphila menziesii Little prince's pine, Pipsissewa

native
Perennial herb

Chimaphila umbellata Blake's prince's pine, Pipsissewa, Prince's Pine

native
Perennial herb

Chimaphila umbellata ssp. umbellata Blake's prince's pine, Pipsissewa, Prince's Pine

native
Perennial herb

Chimaphila umbellata var. acuta Blake's prince's pine, Pipsissewa, Prince's Pine

native
Perennial herb

Chionanthus virginicus White fringetree

non-native
Vine, Shrub

Chloracantha spinosa Spiny chloracantha

native
Perennial herb

Chloracantha spinosa var. spinosa Spiny goldenbush

native
Perennial herb

Chloris gayana Rhodes grass

non-native
Perennial grass

Chloris truncata Australian fingergrass, Truncate finger grass

non-native
Perennial grass

Chloris virgata Feather finger grass, Feather fingergrass

non-native
Annual grass

Chlorogalum angustifolium Narrow leaved soaproot, Narrowleaf soap plant

native
Perennial herb

Chlorogalum grandiflorum Red hills soap plant, Red hills soaproot

• rare native
Perennial herb (bulb)

Chlorogalum pomeridianum Amole, Soap plant, Soaproot

native
Perennial herb

Chlorogalum pomeridianum ssp. pomeridianum Amole, Soap plant, Soaproot

native
Perennial herb

Chlorogalum pomeridianum ssp. pomeridianum

Chlorogalum pomeridianum var. divaricatum Soap plant, Spreading soaproot, Wavyleaf soap plant

native
Perennial herb

Chlorogalum pomeridianum var. divaricatum

Chlorogalum pomeridianum var. minus Dwarf soaproot, Wavyleaf soap plant

• rare native
Perennial herb (bulb)

Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant

native
Perennial herb

Chlorogalum pomeridianum var. pomeridianum

Chlorogalum purpureum var. purpureum Purple amole

• rare native
Perennial herb (bulb)

Chlorogalum purpureum var. reductum Camatta canyon amole

• rare native
Perennial herb (bulb)

Chloropyron maritimum Salt marsh bird's beak

native
Annual herb

Chloropyron maritimum ssp. canescens Salt marsh bird's beak

native
Annual herb

Cordylanthus maritimus ssp. canescens Salt marsh bird's beak

native
Annual herb

Chloropyron maritimum ssp. maritimum Salt marsh bird's-beak

• rare native
Annual herb

Chloropyron maritimum ssp. palustre Point reyes bird's-beak

• rare native
Annual herb

Chloropyron molle ssp. hispidum Hispid bird's-beak

• rare native
Annual herb

Chloropyron molle ssp. molle Soft bird's-beak

• rare native
Annual herb

Chloropyron palmatum Palmate-bracted bird's-beak

• rare native
Annual herb

Cordylanthus palmatus Palmate-bracted bird's-beak

• rare native
Annual herb

Chloropyron tecopense Tecopa bird's-beak

• rare native
Annual herb

Cordylanthus tecopensis Tecopa bird's-beak

• rare native
Annual herb

Chondrilla juncea Hogbite, Skeleton weed

• invasive non-native
Perennial herb

Ceiba speciosa Silk floss tree

non-native
Tree

BOMBACACEAE

Chorisia speciosa Silk floss tree

non-native
Tree

BOMBACACEAE

Chorispora tenella Crossflower

• invasive non-native
Annual herb

Chorizanthe angustifolia Narrow leaf spineflower, Narrowleaf spineflower

native
Annual herb

Chorizanthe biloba var. biloba Two lobed spineflower, Twolobe spineflower

native
Annual herb

Chorizanthe biloba var. immemora San benito spineflower, Twolobe spineflower

• rare native
Annual herb

Chorizanthe blakleyi Blakley's spineflower

• rare native
Annual herb

Chorizanthe brevicornu Brittle spine flower, Brittle spineflower

native
Annual herb

Chorizanthe brevicornu var. brevicornu Brittle spineflower

native
Annual herb

Chorizanthe brevicornu var. spathulata Broad leaf brittle spineflower

native
Annual herb

Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower

• rare native
Annual herb

Chorizanthe corrugata Wrinkled spineflower

native
Annual herb

Chorizanthe cuspidata San francisco spineflower

native
Annual herb

Chorizanthe cuspidata var. cuspidata San francisco bay spineflower, San francisco spineflower

• rare native
Annual herb

Chorizanthe cuspidata var. villosa San francisco spineflower, Woolly headed spineflower

• rare native
Annual herb

Chorizanthe diffusa Diffuse spineflower

native
Annual herb

Chorizanthe douglasii Douglas's spineflower, San benito spineflower

• rare native
Annual herb

Chorizanthe fimbriata Fringed spineflower

native
Annual herb

Chorizanthe fimbriata var. fimbriata Fringed spineflower

native
Annual herb

Chorizanthe fimbriata var. laciniata Lace fringed spineflower

native
Annual herb

Chorizanthe howellii Howell's spineflower, Mendocino spineflower

• rare native
Annual herb

Chorizanthe leptotheca Peninsular spineflower, Ramona spineflower

• rare native
Annual herb

Chorizanthe membranacea Pink spineflower

native
Annual herb

Chorizanthe minutiflora Fort ord spineflower

• rare native
Annual herb

Chorizanthe obovata Spoon sepal spineflower, Spoonsepal spineflower

native
Annual herb

Chorizanthe orcuttiana Orcutt's spineflower, San diego spineflower

• rare native
Annual herb

Chorizanthe palmeri Palmer's spineflower

• rare native
Annual herb

Chorizanthe parryi var. fernandina San fernando valley spineflower

• rare native
Annual herb

Chorizanthe parryi var. parryi Parry's spineflower, San bernardino spineflower

• rare native
Annual herb

Chorizanthe polygonoides Knotweed spineflower

native
Annual herb

Chorizanthe polygonoides var. longispina Knotweed spineflower, Long spined spineflower

• rare native
Annual herb

Chorizanthe polygonoides var. longispina

Chorizanthe polygonoides var. polygonoides Knotweed spineflower

native
Annual herb

Chorizanthe polygonoides var. polygonoides

Chorizanthe procumbens Prostrate spineflower

native
Annual herb

Chorizanthe pungens Monterey spineflower

native
Annual herb

Chorizanthe pungens var. hartwegiana Ben lomond spineflower, Hartweg's spineflower

• rare native
Annual herb

Chorizanthe pungens var. pungens Monterey spineflower

• rare native
Annual herb

Chorizanthe rectispina Prickly spineflower, Straight awned spineflower

• rare native
Annual herb

Chorizanthe rigida Devil's spineflower, Rigid spiny herb

native
Annual herb

Chorizanthe robusta var. hartwegii Robust spineflower, Scott's valley spineflower

• rare native
Annual herb

Chorizanthe robusta var. robusta Robust spineflower

• rare native
Annual herb

Chorizanthe spinosa Mojave spineflower

• rare native
Annual herb

Chorizanthe staticoides Turkish rugging

native
Annual herb

Chorizanthe stellulata Starlet spineflower

native
Annual herb

Chorizanthe uniaristata One awn spineflower, Oneawn spineflower

native
Annual herb

Chorizanthe valida Sonoma spineflower

• rare native
Annual herb

Chorizanthe ventricosa Priest valley spineflower

• rare native
Annual herb

Chorizanthe watsonii Fivetooth spineflower, Watson's spineflower

native
Annual herb

Chorizanthe wheeleri Santa barbara spineflower, Wheeler's spineflower

• rare native
Annual herb

Chorizanthe xanti var. leucotheca Riverside spineflower, White bracted spineflower

• rare native
Annual herb

Chorizanthe xanti var. xanti Riverside spineflower, Xantus' spineflower

native
Annual herb

Chrysanthemoides monilifera

non-native

Chrysanthemoides monilifera ssp. monilifera boneseed

• invasive non-native

Chrysanthemoides monilifera ssp. monilifera

Chrysolepis chrysophylla Giant chinquapin, Golden chinquapin

native
Tree, Shrub

Castanopsis chrysophylla Giant chinquapin, Golden chinquapin

native
Tree, Shrub

Chrysolepis chrysophylla var. chrysophylla Giant chinquapin, Golden chinquapin

native
Tree, Shrub

Chrysolepis chrysophylla var. chrysophylla

Chrysolepis chrysophylla var. minor Bush chinquapin, Giant chinquapin

native
Tree, Shrub

Castanopsis sempervirens Bush chinquapin, Sierra chinquapin

native
Shrub

Chrysolepis sempervirens Bush chinquapin, Sierra chinquapin

native
Shrub

Chrysosplenium glechomifolium Pacific golden saxifrage

• rare native
Perennial herb

Chrysothamnus depressus Long flowered rabbitbrush, Longflower rabbitbrush

native
Shrub

Chrysothamnus greenei Greene's rabbitbrush

• rare native
Shrub

Chrysothamnus humilis Truckee rabbitbrush

native
Shrub

Chrysothamnus viscidiflorus Green rabbitbrush, Stickyleaf rabbitbrush, Yellow rabbitbrush

native
Shrub

Chrysothamnus viscidiflorus ssp.viscidiflorus 1 Green rabbitbrush, Stickyleaf rabbitbrush, Yellow rabbitbrush

native
Shrub

Chrysothamnus viscidiflorus ssp.viscidiflorus 1

Chrysothamnus viscidiflorus ssp. lanceolatus Sticky leaved rabbitbrush, Yellow rabbitbrush

native
Shrub

Chrysothamnus viscidiflorus ssp. lanceolatus

Chrysothamnus viscidiflorus ssp. puberulus Sticky leaved rabbitbrush, Yellow rabbitbrush

native
Shrub

Chrysothamnus viscidiflorus ssp. puberulus

Chrysothamnus viscidiflorus ssp. viscidiflorus Sticky leaved rabbitbrush, Yellow rabbitbrush

native
Shrub

Chrysothamnus viscidiflorus ssp. viscidiflorus

Chrysothamnus viscidiflorus var. viscidiflorus Sticky leaved rabbitbrush, Yellow rabbitbrush

native
Shrub

Chrysothamnus viscidiflorus var. viscidiflorus

Chylismia arenaria Sand evening-primrose

• rare native
Annual, Perennial herb

Camissonia brevipes Yellow cups

native
Annual, Perennial herb

Camissonia brevipes ssp. brevipes Yellow cups

native
Annual, Perennial herb

Chylismia brevipes Yellow cups

native
Annual, Perennial herb

Chylismia brevipes ssp. brevipes Golden suncup

native
Annual, Perennial herb

Chylismia brevipes ssp. pallidula Pale sun cup

native
Annual, Perennial herb

Camissonia cardiophylla ssp. cardiophylla Heart leaved primrose

native
Annual, Perennial herb

Camissonia cardiophylla ssp. cardiophylla

Chylismia cardiophylla Heart leaved primrose

native
Annual, Perennial herb

Chylismia cardiophylla ssp. cardiophylla Heart leaved primrose

native
Annual, Perennial herb

Chylismia cardiophylla ssp. cardiophylla

Camissonia cardiophylla ssp. robusta Big heartleaf sun cup

native
Annual, Perennial herb

Chylismia cardiophylla ssp. robusta Big heartleaf sun cup

native
Annual, Perennial herb

Chylismia claviformis Clavate fruited primrose

native
Annual, Perennial herb

Chylismia claviformis ssp. aurantiacus Clavate fruited primrose

native
Annual, Perennial herb

Chylismia claviformis ssp. piersonii Clavate fruited primrose

native
Annual, Perennial herb

Chylismia claviformis ssp. aurantiaca Pinnate leaved primrose

native
Annual, Perennial herb

Camissonia claviformis ssp. claviformis Browneyes

native
Annual, Perennial herb

Chylismia claviformis ssp. claviformis Browneyes

native
Annual, Perennial herb

Chylismia claviformis ssp. cruciformis Cruciform evening-primrose

• rare native
Annual, Perennial herb

Camissonia claviformis ssp. funerea Clavate fruited primrose

native
Annual, Perennial herb

Chylismia claviformis ssp. funerea Clavate fruited primrose

native
Annual, Perennial herb

Camissonia claviformis Clavate fruited primrose

native
Annual, Perennial herb

Camissonia claviformis ssp. integrior Clavate fruited primrose

native
Annual, Perennial herb

Camissonia claviformis ssp. piersonii Clavate fruited primrose

native
Annual, Perennial herb

Chylismia claviformis ssp. integrior Clavate fruited primrose

native
Annual, Perennial herb

Chylismia claviformis ssp. lancifolia Clavate fruited primrose

native
Annual, Perennial herb

Chylismia claviformis ssp. peirsonii Peirson's clavate fruited primrose

native
Annual, Perennial herb

Chylismia heterochroma Shockley's evening-primrose

native
Annual, Perennial herb

Camissonia walkeri Walker's suncup

native
Annual, Perennial herb

Chylismia walkeri ssp. tortilis Walker's sun cup

native
Annual, Perennial herb

Camissonia pterosperma Wing fruit sun cup

native

Chylismiella pterosperma Wing fruit sun cup

native

Cibotium menziesii Hapu'u li

non-native

DICKSONIACEAE

Cicendia quadrangularis Common microcalis, Oregon timwort

native
Annual herb

Cicer arietinum Chick pea

non-native
Perennial herb

Cichorium intybus Chicory

non-native
Perennial herb

Cicuta douglasii Western water hemlock

native
Perennial herb

Cicuta maculata Water hemlock

native
Perennial herb

Cicuta maculata var. angustifolia Narrow leafed water hemlock, Spotted water hemlock

native
Perennial herb

Cicuta maculata var. bolanderi Saltmarsh water hemlock, Spotted water hemlock

• rare native
Perennial herb

Cinna bolanderi Bolander's woodreed

• rare native
Perennial grass

Cinna latifolia Drooping wood reed, Wood reedgrass

native
Perennial grass

Cinnamomum camphora Camphortree

non-native
Tree

Circaea alpina Small enchanter's nightshade

native
Perennial herb

Circaea alpina ssp. alpina Small enchanter's nightshade

native
Perennial herb

Circaea alpina ssp. pacifica Pacific enchanter's nightshade, Small enchanter's nightshade

native
Perennial herb

Cirsium andersonii Anderson's thistle, Rose thistle

native
Perennial herb

Cirsium andrewsii Franciscan thistle

• rare native
Perennial herb

Cirsium arizonicum Arizona thistle

native
Perennial herb

Cirsium arizonicum var. bipinnatum Arizona thistle

native
Perennial herb

Cirsium eatonii Arizona thistle

native
Perennial herb

Cirsium tweedyi Arizona thistle

native
Perennial herb

Cirsium arizonicum var. arizonicum Arizona thistle

native
Perennial herb

Cirsium arizonicum var. tenuisectum Desert mountain thistle

• rare native
Perennial herb

Cirsium arvense Canada thistle

• invasive non-native
Perennial herb

Cirsium arvense var. arvense Canada thistle

• invasive non-native
Perennial herb

Cirsium arvense var. incanum Canada thistle

• invasive non-native
Perennial herb

Cirsium brevistylum Clustered thistle, Indian thistle

native
Perennial herb

Cirsium canescens Prairie thistle

non-native
Perennial herb

Cirsium cymosum Peregrine thistle

native
Perennial herb

Cirsium canovirens Gray-green thistle

native
Perennial herb

Cirsium cymosum var. canovirens Gray-green thistle

native
Perennial herb

Cirsium cymosum var. cymosum Peregrine thistle

native
Perennial herb

Cirsium douglasii Douglas' thistle, Swamp thistle

native
Perennial herb

Cirsium douglasii var. breweri Brewer's swamp thistle, Douglas' thistle

native
Perennial herb

Cirsium douglasii var. douglasii Douglas' swamp thistle, Douglas' thistle

native
Perennial herb

Cirsium edule Edible thistle

non-native
Perennial herb

Cirsium fontinale Fountain thistle

native
Perennial herb

Cirsium fontinale var. campylon Mt hamilton thistle, Mt. hamilton thistle

• rare native
Perennial herb

Cirsium fontinale var. fontinale Fountain thistle

• rare native
Perennial herb

Cirsium fontinale var. obispoense Chorro creek bog thistle

• rare native
Perennial herb

Cirsium hydrophilum ssp. vaseyi Suisun thistle

native
Perennial herb

Cirsium hydrophilum var. hydrophylum Suisun thistle

native
Perennial herb

Cirsium hydrophilum var. hydrophilum Suisun thistle

• rare native
Perennial herb

Cirsium hydrophilum var. vaseyi Mt. Tamalpais thistle, Vasey's thistle

• rare native
Perennial herb

Cirsium inamoenum Greene's thistle

native
Perennial herb

Cirsium inamoenum var. inamoenum Greene's thistle

native
Perennial herb

Cirsium subniveum Greene's thistle

native
Perennial herb

Cirsium japonicum Japanese thistle

non-native
Perennial herb

Cirsium mohavense Mohave thistle, Mojave thistle

native
Perennial herb

Cirsium virginense Mohave thistle, Mojave thistle

native
Perennial herb

Cirsium neomexicanum Desert thistle, New mexico thistle

native
Perennial herb

Cirsium occidentale Cobweb thistle, Western thistle

native
Perennial herb

Cirsium californicum Bigelow thistle, California thistle, Cobwebby thistle

native
Perennial herb

Cirsium occidentale var. californicum Bigelow thistle, California thistle, Cobwebby thistle

native
Perennial herb

Cirsium occidentale var. candidissimum Snowy thistle

native
Perennial herb

Cirsium pastoris Snowy thistle

native
Perennial herb

Cirsium occidentale var. compactum Compact cobwebby thistle

• rare native
Perennial herb

Cirsium occidentale var. lucianum Cuesta ridge thistle

• rare native
Perennial herb

Cirsium occidentale var. occidentale Cobweb thistle, Cobwebby thistle

native
Perennial herb

Cirsium occidentale var. venustum Cobwebby thistle, Red thistle, Venus thistle

native
Perennial herb

Cirsium ochrocentrum Beaumont thistle, Yellow spined thistle

• invasive non-native
Perennial herb

Cirsium ochrocentrum var. martinii Beaumont thistle, Yellow spined thistle

• invasive non-native
Perennial herb

Cirsium ochrocentrum var. ochrocentrum Yellowspine thistle

non-native
Perennial herb

Cirsium quercetorum Alameda county thistle, Brownie thistle

native
Annual, Perennial herb

Cirsium remotifolium Few leaved thistle, Fewleaf thistle

native
Perennial herb

Cirsium remotifolium var. odontolepis Pacific fringed thistle

native
Perennial herb

Cirsium remotifolium var. remotifolium Remote-leaved thistle

native
Perennial herb

Cirsium rhothophilum Surf thistle

• rare native
Perennial herb

Cirsium drummondii Dwarf thistle, Elk thistle

native
Perennial herb

Cirsium scariosum Dwarf thistle, Elk thistle

native
Perennial herb

Cirsium scariosum var. coloradense Dwarf thistle, Elk thistle

native
Perennial herb

Cirsium scariosum var. thorneae Dwarf thistle, Elk thistle

native
Perennial herb

Cirsium scariosum var. americanum Dinnerplate thistle

native
Perennial herb

Cirsium scariosum var. congdonii Elk thistle

native
Perennial herb

Cirsium loncholepis La graciosa thistle

• rare native
Perennial herb

Cirsium scariosum var. loncholepis La graciosa thistle

• rare native
Perennial herb

Cirsium scariosum var. robustum Elk thistle

native
Perennial herb

Cirsium scariosum var. scariosum Elk thistle

native
Perennial herb

Cirsium undulatum Wavy leaved thistle, Wavyleaf thistle

non-native
Perennial herb

Cirsium undulatum var. tracyi Wavy leaved thistle, Wavyleaf thistle

non-native
Perennial herb

Cirsium vulgare Bull thistle

• invasive non-native
Perennial herb

Cistanthe ambigua Desert cistanthe , Desert Pussypaws

native
Annual herb

Calandrinia maritima Seaside calandrinia

• rare native
Annual herb

Cistanthe maritima Seaside calandrinia

• rare native
Annual herb

Cistus creticus Hairy rockrose

non-native
Shrub

Cistus incanus Hairy rockrose

non-native
Shrub

Cistus ladanifer Gum rockrose, Resinous rockrose

• invasive non-native
Shrub (stem succulent)

Cistus monspeliensis Montpelier cistus, Resinous rockrose

non-native
Shrub (stem succulent)

Cistus psilosepalus Rock rose

non-native
Shrub

Cistus salviifolius Sage leaf rockrose, Salvia cistus

non-native
Shrub (stem succulent)

Citrullus colocynthis Colocynth

non-native
Annual herb

Citrullus lanatus var. citroides Watermelon

non-native
Annual herb

Citrullus colocynthis var. lanatus Watermelon

non-native
Annual herb

Cladium californicum California sawgrass, Saw grass

• rare native
Perennial grasslike herb

Claopodium whippleanum Whipple's claopodium moss

non-native
Moss

LESKEACEAE

Clarkia affinis Chaparral clarkia, Chaparral fairyfan

native
Annual herb

Clarkia amoena Farewell to spring

native
Annual herb

Clarkia amoena ssp. lindleyi Farewell to spring

native
Annual herb

Clarkia amoena ssp. amoena Farewell to spring

native
Annual herb

Clarkia amoena ssp. huntiana Farewell to spring

native
Annual herb

Clarkia amoena ssp. whitneyi Farewell to spring, Whitney's clarkia

• rare native
Annual herb

Clarkia arcuata Glandular clarkia, Glandular fairyfan

native
Annual herb

Clarkia australis Small's southern clarkia

• rare native
Annual herb

Clarkia biloba Two lobed clarkia, Twolobe clarkia

native
Annual herb

Clarkia biloba ssp. australis Mariposa clarkia

• rare native
Annual herb

Clarkia biloba ssp. biloba Two lobed clarkia, Twolobe clarkia

native
Annual herb

Clarkia biloba ssp. brandegeeae Brandegee's clarkia

• rare native
Annual herb

Clarkia borealis Northern clarkia

native
Annual herb

Clarkia borealis ssp. borealis Northern clarkia

• rare native
Annual herb

Clarkia bottae Botta's clarkia, Punch bowl godetia

native
Annual herb

Clarkia breweri Brewer's clarkia, Fairy fans

• rare native
Annual herb

Clarkia concinna Red ribbons

native
Annual herb

Clarkia concinna ssp. automixa Santa clara red ribbons

• rare native
Annual herb

Clarkia concinna ssp. concinna Red ribbons

native
Annual herb

Clarkia concinna ssp. raichei Raiche's clarkia, Raiche's red ribbons

• rare native
Annual herb

Clarkia cylindrica Speckled clarkia

native
Annual herb

Clarkia cylindrica ssp. clavicarpa Speckled clarkia

native
Annual herb

Clarkia cylindrica ssp. cylindrica Speckled clarkia

native
Annual herb

Clarkia davyi Davy's clarkia

native
Annual herb

Clarkia delicata Campo clarkia, Delicate clarkia

• rare native
Annual herb

Clarkia dudleyana Dudley's clarkia

native
Annual herb

Clarkia epilobioides Canyon clarkia, Willow herb clarkia

native
Annual herb

Clarkia exilis Kern river clarkia, Slender clarkia

• rare native
Annual herb

Clarkia franciscana Presidio clarkia

• rare native
Annual herb

Clarkia gracilis Clarkia, Farewell to spring, Graceful clarkia

native
Annual herb

Clarkia gracilis ssp. albicaulis White stemmed clarkia, Whitestem clarkia

• rare native
Annual herb

Clarkia gracilis ssp. gracilis Graceful clarkia, Slender clarkia

native
Annual herb

Clarkia gracilis ssp. sonomensis Sonoma clarkia

native
Annual herb

Clarkia gracilis ssp. tracyi Tracy's clarkia

• rare native
Annual herb

Clarkia heterandra California gaura, Heterogaura, Mountain clarkia

native
Annual herb

Clarkia imbricata Vine hill clarkia

• rare native
Annual herb

Clarkia jolonensis Jolon clarkia

• rare native
Annual herb

Clarkia lassenensis Lassen clarkia, Lassen godetia

native
Annual herb

Clarkia lewisii Lewis' clarkia

• rare native
Annual herb

Clarkia lingulata Merced clarkia

• rare native
Annual herb

Clarkia mildrediae Clarkia, Mildred's clarkia

native
Annual herb

Clarkia mildrediae ssp. lutescens Mildred's clarkia

• rare native
Annual herb

Clarkia mildrediae ssp. mildrediae Mildred's clarkia

• rare native
Annual herb

Clarkia modesta Waltham Creek clarkia

native
Annual herb

Clarkia mosquinii Mosquin's clarkia

• rare native
Annual herb

Clarkia prostrata Prostrate clarkia

native
Annual herb

Clarkia purpurea Purple clarkia, Winecup clarkia

native
Annual herb

Clarkia purpurea ssp. purpurea Purple clarkia, Winecup clarkia

native
Annual herb

Clarkia purpurea ssp. quadrivulnera Four-spot, Purple clarkia, Purple godetia

native
Annual herb

Clarkia quadrivulnera Four-spot, Purple clarkia, Purple godetia

native
Annual herb

Clarkia purpurea ssp. viminea Large godetia, Purple clarkia, Winecup clarkia

native
Annual herb

Clarkia rhomboidea Diamond clarkia, Diamond petaled clarkia, Diamond fairyfan

native
Annual herb

Clarkia rostrata Beaked clarkia

• rare native
Annual herb

Clarkia rubicunda Farewell to spring, Reddened clarkia, Ruby chalice clarkia

native
Annual herb

Clarkia similis Ramona clarkia

native
Annual herb

Clarkia speciosa Red spotted clarkia, Redspot clarkia

native
Annual herb

Clarkia speciosa ssp. immaculata Pismo clarkia

• rare native
Annual herb

Clarkia speciosa ssp. polyantha Red spot clarkia, Redspot clarkia

native
Annual herb

Clarkia speciosa ssp. speciosa Red spot clarkia, Redspot clarkia

native
Annual herb

Clarkia springvillensis Springville clarkia

• rare native
Annual herb

Clarkia stellata Lake almanor clarkia

native
Annual herb

Clarkia tembloriensis ssp. calientensis Vasek's clarkia

• rare native
Annual herb

Clarkia tembloriensis ssp. tembloriensis Temblor range clarkia

native
Annual herb

Clarkia tembloriensis ssp. tembloriensis

Clarkia elegans Elegant clarkia, Mountain garland, Woodland clarkia

native
Annual herb

Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia

native
Annual herb

Clarkia virgata Sierra clarkia

• rare native
Annual herb

Clarkia williamsonii Fort Miller clarkia, Fort Miller fairyfan

native
Annual herb

Clarkia xantiana Gunsight clarkia, Xantus' clarkia

native
Annual herb

Clarkia xantiana ssp. parviflora Kern canyon clarkia

• rare native
Annual herb

Clarkia xantiana ssp. xantiana Gunsight clarkia, Xantus' clarkia

native
Annual herb

Claytonia cordifolia Heart leaf spring beauty, Heartleaf springbeauty

native
Perennial herb

Claytonia exigua Little spring beauty, Serpentine springbeauty

native
Annual herb

Claytonia exigua ssp. exigua Little spring beauty, Serpentine springbeauty, Viridis

native
Annual herb

Claytonia exigua ssp. glauca Blue leaved spring beauty, Serpentine springbeauty

native
Annual herb

Claytonia gypsophiloides Gypsum spring beauty, Gypsum springbeauty

native
Annual herb

Claytonia lanceolata Lanceleaf springbeauty, Western spring beauty, Western springbeauty

native
Perennial herb

Claytonia lanceolata var. lanceolata Lanceleaf springbeauty, Western spring beauty, Western springbeauty

native
Perennial herb

Claytonia megarhiza Alpine springbeauty, Fell fields claytonia

• rare native
Perennial herb

Claytonia nevadensis Sierra spring beauty, Sierra springbeauty

native
Perennial herb

Claytonia palustris Jonesville springbeauty, Marsh claytonia

• rare native
Perennial herb

Claytonia parviflora Miner's lettuce, Narrow leaved miner's lettuce, Streambank springbeauty

native
Annual herb

Claytonia parviflora ssp. grandiflora Large flowered miner's lettuce, Streambank springbeauty

• rare native
Annual herb

Claytonia parviflora ssp. parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce

native
Annual herb

Claytonia parviflora ssp. utahensis Streambank springbeauty

native
Annual herb

Claytonia parviflora ssp. viridis Green miner's lettuce, Streambank springbeauty

native
Annual herb

Claytonia perfoliata Miners lettuce, Miner's lettuce, Rooreh (Ohlone)

native
Annual herb

Claytonia perfoliata ssp. mexicana Southern miner's lettuce

native
Annual herb

Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce

native
Annual herb

Montia perfoliata Claytonia, Miner's lettuce

native
Annual herb

Claytonia rubra Red stemmed spring beauty, Redstem springbeauty

native
Annual herb

Claytonia rubra ssp. depressa Red stemmed spring beauty, Redstem springbeauty

native
Annual herb

Claytonia rubra ssp. rubra Red stemmed miner's lettuce, Redstem springbeauty

native
Annual herb

Claytonia saxosa Brandegee's spring beauty, Brandegee's springbeauty

native
Annual herb

Claytonia sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty

native
Perennial herb

Claytonia umbellata Great basin claytonia, Great basin springbeauty

• rare native
Perennial herb

Clematis armandii

non-native
Perennial herb, Vine

Clematis lasiantha Chaparral clematis, Pipestem

native
Perennial herb, Vine

Clematis ligusticifolia Creek clematis, Western white clematis, Yerba de chiva

native
Perennial herb, Vine

Clematis pauciflora Few flowered clematis, Hill clematis, Ropevine clematis

native
Perennial herb, Vine

Clematis terniflora Japanese clematis, Sweet autumn clematis

non-native
Vine

Clematis terniflora var. mandshurica Japanese clematis, Sweet autumn clematis

non-native
Vine

Clematis vitalba Old man's beard, Traveller's joy

• invasive non-native
Vine

Cleome gynandra Spiderwisp

non-native
Annual herb

CAPPARACEAE

Cleome spinosa Pink queen

non-native
Annual herb

CAPPARACEAE

Isomeris arborea Bladderpod

native
Shrub

Peritoma arborea Bladderpod

native
Shrub

Peritoma arborea var. angustata

native
Annual herb

Peritoma arborea var. arborea

native
Annual herb

Isomeris arborea var. globosa

native
Annual herb

Peritoma arborea var. globosa

native
Annual herb

Cleomella brevipes Shortstalk stinkweed

• rare native
Annual herb

Cleomella hillmanii Hillman's stinkweed

native
Annual herb

Cleome lutea Yellow bee plant

native
Annual herb

Peritoma lutea Yellow bee plant

native
Annual herb

Cleomella obtusifolia Bluntleaf stinkweed, Mojave cleomella

native
Annual herb

Cleomella parviflora Slender cleomella

native
Annual herb

Cleome platycarpa Golden bee plant

native
Annual herb

Peritoma platycarpa Golden bee plant

native
Annual herb

Cleomella plocasperma Twisted cleomella

native
Annual herb

Cleome serrulata Rocky mountain bee plant

non-native
Annual herb

Peritoma serrulata Rocky mountain bee plant

non-native
Annual herb

Carsonia sparsifolia

native
Perennial herb

Clinopodium chandleri San miguel savory

• rare native
Perennial herb

Clinopodium douglasii Yerba buena

native
Perennial herb

Satureja douglasii Yerba buena

native
Perennial herb

Clinopodium mimuloides Monkey flower savory, Monkeyflower savory

• rare native
Perennial herb

Clinopodium vulgare Wild basil

non-native
Perennial herb

Clintonia andrewsiana Andrew's clintonia, Blue bead lily, Red clintonia

native
Perennial herb

Clintonia uniflora Queen's cup, bead lily

native
Perennial herb

Clitoria ternatea Asian pigeonwings

non-native
Perennial herb, Vine

Cneoridium dumosum Bush rue, Bushrue

native
Shrub

Cochlearia groenlandica Greenland cochlearia

• rare native
Annual herb

Cochlearia officinalis Spoonwort

native
Annual herb

Coix lacryma-jobi Job's tears

non-native
Perennial grass

Coleogyne ramosissima Black brush, Blackbrush

native
Shrub

Collinsia antonina San Antonio collinsia

• rare native
Annual herb

Collinsia bartsiifolia White blue eyed mary, White collinsia

native
Annual herb

Collinsia bartsiifolia ssp. davidsonii White blue eyed mary, White collinsia

native
Annual herb

Collinsia bartsiifolia var. bartsiifolia White blue eyed mary, White Chinese houses, White collinsia

native
Annual herb

Collinsia bartsiifolia var. bartsiifolia

Collinsia bartsiifolia var. davidsonii Davidson's blue eyed mary, Davidson's collinsia

native
Annual herb

Collinsia callosa Desert collinsia, Desertmountain blue eyed mary

native
Annual herb

Collinsia childii Child's blue eyed mary, Child's collinsia

native
Annual herb

Collinsia concolor Southern Chinese houses

native
Annual herb

Collinsia corymbosa Round headed chinese houses, Roundhead chinese houses

• rare native
Annual herb

Collinsia grandiflora Giant blue eyed mary, Large flowered collinsia

native
Annual herb

Collinsia greenei Greene's blue eyed mary, Greene's collinsia

native
Annual herb

Collinsia heterophylla Purple chinese houses

native
Annual herb

Collinsia heterophylla var. heterophylla Purple chinese houses, Chinese-Houses

native
Annual herb

Collinsia heterophylla var. heterophylla

Collinsia linearis Narrow leaf collinsia, Narrowleaf blue eyed mary

native
Annual herb

Collinsia multicolor San Francisco blue eyed mary, San Francisco collinsia

• rare native
Annual herb

Collinsia parryi Parry's blue eyed mary, Parry's collinsia

native
Annual herb

Collinsia parviflora Few flowered blue eyed mary, Small flowered blue eyed mary, Blue-eyed Mary

native
Annual herb

Collinsia rattanii Rattan's blue eyed mary, Rattan's collinsia, Sticky blue eyed mary

native
Annual herb

Collinsia sparsiflora Few flowered collinsia

native
Annual herb

Collinsia sparsiflora var. arvensis Field collinsia

native
Annual herb

Collinsia sparsiflora var. bruceae Bruce's collinsia

native
Annual herb

Collinsia sparsiflora var. collina Hillside collinsia

native
Annual herb

Collinsia sparsiflora var. sparsiflora Few flowered collinsia

native
Annual herb

Collinsia tinctoria Sticky chinese houses, Tincture plant

native
Annual herb

Collinsia torreyi Torrey's blue eyed mary, Torrey's collinsia

native
Annual herb

Collinsia torreyi ssp. torreyi Torrey's blue eyed mary, Torrey's collinsia

native
Annual herb

Collinsia torreyi var. brevicarinata Torrey's blue eyed mary, Torrey's collinsia

native
Annual herb

Collinsia torreyi var. latifolia Broad leafed collinsia, Broad leaved collinsia, Torrey's blue eyed mary

native
Annual herb

Collinsia torreyi var. torreyi Torrey's blue eyed mary, Torrey's collinsia

native
Annual herb

Collinsia torreyi var. wrightii Wright's blue eyed mary, Wright's collinsia

native
Annual herb

Collomia diversifolia Serpentine collomia

• rare native
Annual herb

Collomia grandiflora Grand collomia, Large flowered collomia, Mountain collomia

native
Annual herb

Collomia heterophylla Variableleaf collomia, Varied leaved collomia

native
Annual herb

Collomia larsenii Talus collomia

• rare native
Perennial herb (rhizomatous)

Collomia linearis Narrow leaved collomia, Slenderleaf collomia, Tiny trumpet

native
Annual herb

Collomia rawsoniana Flaming trumpet

• rare native
Perennial herb (rhizomatous)

Collomia tinctoria Staining Collomia, Yellow staining collomia

native
Annual herb

Collomia tracyi Tracy's collomia

• rare native
Annual herb

Colocasia esculenta Taro root

• invasive non-native
Perennial herb

Colubrina californica California snake bush, Colubrina, Las animas colubrina

• rare native
Shrub

Colutea arborescens Bladder senna

non-native
Tree, Shrub

Comandra umbellata Bastard toadflax

native
Perennial herb (parasitic)

Comandra umbellata ssp. umbellata Bastard toadflax

native
Perennial herb (parasitic)

Comandra umbellata ssp. californica Bastard toad flax, Bastard toadflax, California bastard toadflax

native
Perennial herb (parasitic)

Comandra umbellata ssp. pallida Bastard toad flax, Bastard toadflax, California bastard toadflax

native
Perennial herb (parasitic)

Comarostaphylis diversifolia Summer holly

native
Shrub

Comarostaphylis diversifolia ssp. diversifolia Summer holly

• rare native
Shrub

Comarostaphylis diversifolia ssp. diversifolia

Comarostaphylis diversifolia ssp. planifolia Flat leaf summer holly

native
Shrub

Comarostaphylis diversifolia ssp. planifolia

Comarum palustre Marsh cinquefoil

native
Perennial herb

Potentilla palustris Marsh cinquefoil

native
Perennial herb

Comastoma tenellum Dane's dwarf gentian

native
Annual herb

Gentianella tenella Dane's dwarf gentian

native
Annual herb

Commelina benghalensis Dayflower, Jio

• invasive non-native
Annual, Perennial herb

Commelina diffusa Climbing dayflower

non-native
Annual, Perennial herb

Commelina erecta var. erecta Whitemouth dayflower

non-native
Annual, Perennial herb

Condalia globosa var. pubescens Bitter snakewood, Spiny abrojo, Spiny crucillo

• rare native
Shrub

Condea emoryi Desert lavender

native
Shrub

Hyptis emoryi Desert lavender

native
Shrub

Conicosia pugioniformis False ice plant, Narrow leaved iceplant

• invasive non-native
Perennial herb

Conioselinum pacificum Hemlock parsley

native
Perennial herb

Conium maculatum Poison hemlock

• invasive non-native
Perennial herb

Conringia orientalis Hare's ear mustard

non-native
Annual herb

Consolida ajacis Doubtful knight's spur

non-native
Annual herb

Consolida regalis Royal knight's-spur

non-native
Annual herb

Constancea nevinii Nevin's woolly sunflower

• rare native
Shrub

Eriophyllum nevinii Nevin's woolly sunflower

• rare native
Shrub

Convolvulus althaeoides Hollyhock bindweed, Mallow bindweed

non-native
Perennial herb, Vine

Convolvulus arvensis Field bindweed, Orchard morningglory

• invasive non-native
Perennial herb, Vine

Convolvulus equitans Small flowered morning glory

• rare native
Annual herb

Convolvulus simulans Small flowered morning glory

• rare native
Annual herb

Convolvulus tricolor Dwarf morning glory

non-native
Annual herb, Vine

Coprosma repens Creeping mirrorplant

non-native
Shrub

Coptis laciniata Oregon golden thread, Oregon goldthread

• rare native
Perennial herb

Corallorhiza maculata Spotted coralroot, Summer coral root, Summer coralroot

native
Perennial herb

Corallorhiza maculata var. flavida Summer coralroot

native
Perennial herb

Corallorhiza maculata var. maculata Summer coralroot

native
Perennial herb

Corallorhiza maculata var. immaculata Summer coralroot

native
Perennial herb

Corallorhiza maculata var. occidentalis Summer coralroot

native
Perennial herb

Corallorhiza maculata ssp. mertensiana Merten's coral root, Pacific coralroot

native
Perennial herb

Corallorhiza mertensiana Merten's coral root, Pacific coralroot

native
Perennial herb

Corallorhiza striata Hooded coralroot, Striped coral root

native
Perennial herb

Corallorhiza striata var. striata Hooded coralroot, Striped coral root

native
Perennial herb

Corallorhiza trifida Northern coral root, Yellow coralroot

• rare native
Perennial herb (rhizomatous)

Cordylanthus capitatus Yakima bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus eremicus ssp. eremicus Desert bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus eremicus ssp. kernensis Kern bird's beak, Kern plateau bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus kingii ssp. kingii King's bird's beak

native
Annual herb

Cordylanthus kingii ssp. helleri Heller's bird's beak

native
Annual herb

Cordylanthus nevinii Nevin's bird's beak

native
Annual herb

Cordylanthus nidularius Mt. Diablo bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus parviflorus Purple bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus pilosus Hairy bird's beak

native
Annual herb

Cordylanthus pilosus ssp. hansenii Hansen's bird's beak

native
Annual herb

Cordylanthus pilosus ssp. pilosus Hairy bird's beak

native
Annual herb

Cordylanthus pringlei Pringle's bird's beak

native
Annual herb

Cordylanthus ramosus Bushy bird's beak

native
Annual herb

Cordylanthus rigidus Rigid bird's beak, Stiffbranch bird's beak

native
Annual herb

Cordylanthus rigidus ssp. littoralis Seaside bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus rigidus ssp. rigidus Rigid bird's beak, Stiffbranch bird's beak

native
Annual herb

Cordylanthus rigidus ssp. setigerus Bristly Bird's Beak

native
Annual herb (hemiparasitic)

Cordylanthus tenuis Slender bird's beak

native
Annual herb

Cordylanthus tenuis ssp. barbatus Fresno county bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus tenuis ssp. brunneus Serpentine bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus tenuis ssp. capillaris Pennell's bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus tenuis ssp. pallescens Pallid bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus tenuis ssp. tenuis Slender bird's beak

native
Annual herb

Cordylanthus tenuis ssp. viscidus Slender bird's beak, Sticky bird's beak, Viscid bird's beak

native
Annual herb

Cordyline australis Cabbage tree

• invasive non-native
Tree

LAXMANNIACEAE

Coreopsis grandiflora Largeflower tickseed

non-native
Perennial herb

Coreopsis lanceolata Garden coreopsis, Lanceleaf tickseed

non-native
Perennial herb

Coreopsis rosea Pink tickseed

non-native
Perennial herb

Coreopsis tinctoria Calliopsis, Golden tickseed

non-native
Annual herb

Coreopsis tinctoria var. atkinsoniana Calliopsis, Golden tickseed

non-native
Annual herb

Coreopsis basalis Rock tickseed, Wright's coreopsis

non-native
Annual herb

Corethrogyne filaginifolia Common sandaster

native
Perennial herb

Lessingia filaginifolia var. filaginifolia Common sandaster

native
Perennial herb

Lessingia filaginifolia var. filaginifolia

Corethrogyne filaginifolia var. californica California sandaster

native
Perennial herb

Corethrogyne filaginifolia var. californica

Corethrogyne filaginifolia var. incana San diego sand aster, San diego sandaster

• rare native
Perennial herb

Corethrogyne filaginifolia var. linifolia Del mar mesa sand aster, Del mar mesa sandaster

• rare native
Perennial herb

Corethrogyne filaginifolia var. linifolia

Corethrogyne leucophylla Branching beach aster, Whiteleaf sandaster

• rare native
Perennial herb

Coriandrum sativum Cilantro, Coriander

non-native
Annual herb

Corispermum americanum American bugseed

native
Annual herb

Corispermum americanum var. americanum American bugseed

native
Annual herb

Cornus alternifolia Alternateleaf dogwood

non-native
Shrub, Tree

Cornus florida Flowering dogwood

non-native
Shrub, Tree

Cornus glabrata Brown dogwood

native
Tree, Shrub

Cornus nuttallii Mountain dogwood, Pacific dogwood, Pacific mountain dogwood

native
Shrub

Cornus sericea American dogwood, Creek dogwood, Redosier dogwood

native
Shrub

Cornus sericea ssp. occidentalis Western dogwood

native
Shrub

Cornus sericea ssp. sericea American dogwood, Creek dogwood, Red osier dogwood

native
Shrub

Cornus stolonifera American dogwood, Creek dogwood, Red osier dogwood

native
Shrub

Cornus sessilis Blackfruit dogwood, Miners dogwood, Western cornelian cherry

native
Tree

Cornus canadensis Bunch berry

• rare native
Perennial herb

Cornus unalaschkensis Bunch berry

• rare native
Perennial herb

Coronilla valentina Mediterranean crownvetch

non-native
Shrub

Coronilla varia Purple crownvetch

non-native
Shrub

Securigera varia Purple crownvetch

non-native
Shrub

Cortaderia jubata Pampas grass, Purple pampas grass

• invasive non-native
Perennial grass

Cortaderia selloana Uruguayan pampas grass

• invasive non-native
Perennial grass

Corydalis aurea Golden corydalis, Scrambled eggs

native
Annual, Perennial herb

Corydalis aurea ssp. aurea Golden corydalis, Scrambled eggs

native
Annual, Perennial herb

Corydalis aurea ssp. occidentalis Golden corydalis, Scrambled eggs

native
Annual, Perennial herb

Corydalis caseana Sierra fumewort

native
Perennial herb

Corydalis caseana ssp. brachycarpa Sierra fumewort

native
Perennial herb

Corydalis caseana ssp. brandeegei Sierra fumewort

native
Perennial herb

Corydalis caseana ssp. brandegeei Sierra fumewort

native
Perennial herb

Corydalis caseana ssp. cusickii Sierra fumewort

native
Perennial herb

Corydalis caseana ssp. caseana Sierra corydalis, Sierra fumewort

native
Perennial herb

Corylus cornuta Beaked hazelnut

native
Shrub

Corylus cornuta var. cornuta Beaked hazelnut

native
Shrub

Corylus cornuta ssp. californica Beaked hazelnut

native
Shrub

Corylus cornuta var. californica Beaked hazelnut

native
Shrub

Coryphantha alversonii Foxtail cactus

• rare native
Perennial herb (stem succulent)

Coryphantha chlorantha Desert pincushion

• rare native
Perennial herb

Coryphantha vivipara Spinystar

native
Shrub (stem succulent)

Escobaria vivipara Spinystar

native
Shrub (stem succulent)

Escobaria vivipara ssp. rosea Spinystar

native
Shrub (stem succulent)

Escobaria vivipara var. arizonica Spinystar

native
Shrub (stem succulent)

Escobaria vivipara var. vivipara Spinystar

native
Shrub (stem succulent)

Coryphantha vivipara var. rosea Viviparous foxtail cactus

• rare native
Perennial herb (stem succulent)

Escobaria vivipara var. bisbeeana Viviparous foxtail cactus

• rare native
Perennial herb (stem succulent)

Escobaria vivipara var. rosea Viviparous foxtail cactus

• rare native
Perennial herb (stem succulent)

Cosmos bipinnatus Garden cosmos

non-native
Annual herb

Cosmos sulphureus Sulphur cosmos

non-native
Annual herb

Anthemis tinctoria Golden marguerite

non-native
Perennial herb

Cota tinctoria Golden marguerite

non-native
Perennial herb

Cotinus coggygria European smoketree

non-native
Tree, Shrub

Cotoneaster franchetii Cotoneaster, Francheti cotoneaster, Orange cotoneaster

• invasive non-native
Shrub

Cotoneaster horizontalis Wall or herringbone cotoneaster

non-native
Shrub

Cotoneaster integrifolius Entire-leaved cotoneaster

non-native
Shrub

Cotoneaster microphyllus Entire-leaved cotoneaster

non-native
Shrub

Cotoneaster lacteus Milkflower cotoneaster

• invasive non-native
Shrub

Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster

• invasive non-native
Shrub

Cotoneaster simonsii Simons' cotoneaster

non-native
Shrub

Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons

non-native
Annual herb

Cotula coronopifolia Brass buttons, Common brassbuttons

• invasive non-native
Perennial herb

Cotyledon orbiculata Pig's ear

non-native
Perennial herb

Cotyledon orbiculata var. oblonga Cotyledon, Pig's ear

non-native
Perennial herb

Crassocephalum crepidioides Redflower ragleaf

non-native
Perennial herb

Crassula aquatica Aquatic pygmy weed, Pigmy weed, Water pygmyweed

native
Annual herb

Crassula colligata ssp. lamprosperma

non-native
Annual herb

Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed

native
Annual herb

Crassula connata var. subsimplex Pigmy weed, Sand pygmy weed, Sand pygmyweed

native
Annual herb

Crassula multicava Cape province pygmyweed

non-native
Perennial herb, Shrub

Crassula argentea Jade plant

non-native
Shrub

Crassula ovata Jade plant

non-native
Shrub

Crassula solieri Little pygmy weed, Smoothseed pygmyweed

native
Annual herb

Crassula tetragona

non-native
Annual herb

Crassula muscosa Mediterranean pygmy weed, Moss pygmyweed

non-native
Annual herb

Crassula tillaea Mediterranean pygmy weed, Moss pygmyweed

non-native
Annual herb

Tillaea muscosa Mediterranean pygmy weed, Moss pygmyweed

non-native
Annual herb

Crataegus castlegarensis Castlegar hawthorne

• rare native
Shrub

Crataegus douglasii Black hawthorn, Douglas' hawthorn

native
Tree, Shrub

Crataegus douglasii var. douglasii Black hawthorn, Douglas' hawthorn

native
Tree, Shrub

Crataegus douglasii var. rivularis Black hawthorn, Douglas' hawthorn

native
Tree, Shrub

Crataegus gaylussacia Klamath hawthorn

native
Tree, Shrub

Crataegus laevigata Smooth hawthorn

non-native
Tree, Shrub

Crataegus monogyna Hawthorn

• invasive non-native
Shrub

Crepis acuminata Long leaved hawk's beard, Long leaved hawksbeard, Tall hawksbeard

native
Perennial herb

Crepis bakeri Baker's hawksbeard

native
Perennial herb

Crepis bursifolia Italian hawksbeard

non-native
Perennial herb

Crepis capillaris Hawksbeard, Smooth hawk's beard, Smooth hawksbeard

non-native
Annual, Perennial herb

Crepis intermedia Intermediate hawksbeard, Limestone hawksbeard

native
Perennial herb

Crepis modocensis Modoc hawksbeard

native
Perennial herb

Crepis modocensis ssp. modocensis Modoc hawksbeard

native
Perennial herb

Crepis monticola Mountain hawk's beard, Mountain hawksbeard

native
Perennial herb

Crepis nana Dwarf alpine hawksbeard, Dwarf hawksbeard

native
Perennial herb

Crepis occidentalis Largeflower hawksbeard, Western hawk's beard, Western hawksbeard

native
Perennial herb

Crepis occidentalis ssp. conjuncta Largeflower hawksbeard

native
Perennial herb

Crepis occidentalis ssp. costata Largeflower hawksbeard

native
Perennial herb

Crepis occidentalis ssp. occidentalis Largeflower hawksbeard

native
Perennial herb

Crepis occidentalis ssp. pumila Largeflower hawksbeard

native
Perennial herb

Crepis pleurocarpa Naked stemmed hawksbeard, Nakedstem hawksbeard

native
Perennial herb

Crepis pulchra Smallflower hawksbeard

non-native
Perennial herb

Crepis rubra Red hawksbeard

non-native
Annual herb

Crepis runcinata Fiddleleaf hawksbeard, Meadow hawksbeard

• rare native
Perennial herb

Crepis runcinata var. hallii Fiddleleaf hawksbeard, Meadow hawksbeard

• rare native
Perennial herb

Crepis runcinata ssp. hallii Hall's hawksbeard, Hall's meadow hawksbeard

native
Perennial herb

Crepis setosa Bristly hawksbeard, Rough hawksbeard

non-native
Annual herb

Crepis tectorum Narrowleaf hawksbeard

non-native
Annual herb

Crepis vesicaria Beaked hawksbeard

non-native
Annual, Perennial herb

Crepis vesicaria ssp. taraxacifolia Beaked hawksbeard, Weedy hawksbeard

non-native
Annual, Perennial herb

Cressa truxillensis Alkali weed, Spreading alkaliweed

native
Perennial herb

Crinum bulbispermum Hardy swamplily

non-native
Perennial herb (bulb)

Crithmum maritimum Rock samphire

non-native
Perennial herb

Crocanthemum aldersonii Alderson's rush-rose

native
Shrub

Crocanthemum greenei Island rush-rose

• rare native
Shrub

Crocanthemum scoparium peak rush-rose, broom rush-rose

native
Shrub

Helianthemum scoparium Peak Rushrose

native
Shrub

Crocanthemum suffrutescens Bisbee peak rush-rose

• rare native
Shrub

Crocidium multicaule Common spring gold

native
Annual herb

Crocosmia Xcrocosmiiflora Coppertips, Montbretia, Falling stars

• invasive non-native
Perennial herb

Crossosoma bigelovii Bigelow crossosoma, Bigelow's ragged rock flower, Ragged rockflower

native
Shrub

Crossosoma californicum California rockflower, Catalina crossosoma

• rare native
Shrub

Crotalaria retusa Rattleweed

non-native
Perennial herb

Croton californicus California croton, Desert croton

native
Perennial herb

Croton dioicus Grassland croton

non-native
Annual herb

Croton setiger Turkey-mullein

native
Annual herb

Croton setigerus Turkey-mullein

native
Annual herb

Eremocarpus setigerus Turkey-mullein

native
Annual herb

Croton wigginsii Wiggins' croton, Wiggins's croton

• rare native
Shrub

Crucianella angustifolia Narrow leafed crucianella, Narrow leaved crosswort, Narrowleaf crucianella

non-native
Annual herb

Crumia latifolia Wideleaf crumia moss

native
Moss

Crupina vulgaris Bearded creeper, Common crupina

• invasive non-native
Annual herb

Crypsis alopecuroides Foxtail prickle grass, Foxtail pricklegrass

non-native
Annual grass

Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass

non-native
Annual grass

Crypsis vaginiflora African prickle grass, African pricklegrass

non-native
Annual grass

Cryptantha affinis Common cryptantha, Quill cryptantha, Side grooved cryptantha

native
Annual herb

Cryptantha ambigua Basin cryptantha, Wilke's cryptantha, Wilkes' cryptantha

native
Annual herb

Cryptantha barbigera Bearded cryptantha, Bearded forget me not

native
Annual herb

Cryptantha barbigera var. barbigera Bearded cryptantha

native
Annual herb

Cryptantha barbigera var. fergusoniae Palm springs cryptantha

native
Annual herb

Cryptantha celosioides Cocks comb cat's eye

• rare native
Perennial herb

Cryptantha circumscissa var. rosulata Rosette cushion cryptantha

• rare native
Perennial herb

Cryptantha clevelandii Cleveland's cryptantha, Common cryptantha

native
Annual herb

Cryptantha clevelandii var. florosa Coastal cryptantha

native
Annual herb

Cryptantha clokeyi Clokey's cryptantha, Prickly cryptantha

• rare native
Annual herb

Cryptantha costata Ashen forget me not, Ribbed cryptantha

• rare native
Annual herb

Cryptantha crinita Sacramento cryptantha, Silky cryptantha

• rare native
Annual herb

Cryptantha crymophila Subalpine cryptantha

• rare native
Perennial herb

Cryptantha pterocarya var. cycloptera Tucson cryptantha

native
Annual herb

Cryptantha decipiens Granel forget me not, Gravel cryptantha, Gravelbar cryptantha

native
Annual herb

Cryptantha dumetorum Bush loving cryptantha, Bushloving cryptantha, Flexous forget me not

native
Annual herb

Cryptantha echinella Prickly cryptantha

native
Annual herb

Cryptantha flaccida Beaked cryptantha, Flaccid cryptantha, Weakstem cryptantha

native
Annual herb

Cryptantha ganderi Gander's cryptantha

• rare native
Annual herb

Cryptantha glomeriflora Truckee cryptantha

• rare native
Annual herb

Cryptantha gracilis Narrowstem cryptantha, Slender cryptantha, Slensder forget me not

native
Annual herb

Cryptantha hispidula Napa cryptantha

native
Annual herb

Cryptantha hooveri Hoover's cryptantha

• rare native
Annual herb

Cryptantha intermedia Clearwater cryptantha, Common cryptantha

native
Annual herb

Cryptantha intermedia var. intermedia Common cryptantha

native
Annual herb

Cryptantha nevadensis var. rigida Rigid cryptantha

native
Annual herb

Cryptantha leiocarpa Coast cryptantha, Coastal cryptantha, Popcorn flower

native
Annual herb

Cryptantha mariposae Mariposa cryptantha

• rare native
Annual herb

Cryptantha maritima Guadalupe cryptantha, Guadalupe island cryptantha, White haired forget me not

native
Annual herb

Cryptantha micrantha Purple root cryptantha, Purple rooted forget me not, Redroot cryptantha

native
Annual herb

Cryptantha micromeres Minute flowered cryptantha, Pygmyflower cryptantha, Small flowered cryptantha

native
Annual herb

Cryptantha microstachys Popcorn flower, Tejon cryptantha

native
Annual herb

Cryptantha milo-bakeri Milo baker's cryptantha

native
Annual herb

Cryptantha milobakeri Milo baker's cryptantha

native
Annual herb

Cryptantha mohavensis Mojave cryptantha

native
Annual herb

Cryptantha muricata Pointed cryptantha, Prickly cryptantha, Prickly popcorn flower

native
Annual herb

Cryptantha muricata var. denticulata Prickly-nut cryptantha

native
Annual herb

Cryptantha muricata var. jonesii Jones' cryptantha

native
Annual herb

Cryptantha muricata var. muricata Showy prickly-nut cryptantha

native
Annual herb

Cryptantha nemaclada Colusa cryptantha

native
Annual herb

Cryptantha nevadensis Nevada cryptantha, Nevada forget me not

native
Annual herb

Cryptantha nevadensis var. nevadensis Nevada cryptantha

native
Annual herb

Cryptantha oxygona Sharp nut cryptantha, Sharpnut cryptantha

native
Annual herb

Cryptantha pterocarya Winged nut forget me not, Wingnut cryptantha

native
Annual herb

Cryptantha pterocarya var. pterocarya Wingnut cryptantha

native
Annual herb

Cryptantha pterocarya var. purpusii Purpus' cryptantha

native
Annual herb

Cryptantha rattanii Rattan's cryptantha

• rare native
Annual herb

Cryptantha recurvata Curve nut cryptantha, Curvenut cryptantha

native
Annual herb

Cryptantha roosiorum Bristlecone cryptantha

• rare native
Perennial herb

Cryptantha sobolifera Schoolcraft's cryptantha

• rare native
Perennial herb

Cryptantha simulans Pine cryptantha, Pinewoods cryptantha

native
Annual herb

Cryptantha sparsiflora Slender cryptantha

native
Annual herb

Cryptantha spiculifera Snake river cryptantha

native
Annual herb

Cryptantha spithamaea

• rare native
Annual herb

Cryptantha subretusa Crater lake cryptantha

native
Annual herb

Cryptantha torreyana Torrey's cryptantha

native
Annual herb

Cryptantha torreyana var. torreyana Torrey's cryptantha

native
Annual herb

Cryptantha traskiae Trask's cryptantha

• rare native
Annual herb

Cryptantha tumulosa New york mountain cryptantha, New york mtns. cryptantha

• rare native
Perennial herb

Cryptantha utahensis Scented cryptantha, Scented forget me not

native
Annual herb

Cryptantha watsonii Watson's cryptantha

native
Annual herb

Cryptantha wigginsii Wiggins' cryptantha

• rare native
Annual herb

Cryptogramma acrostichoides American parsely fern, American parsley fern, American rockbrake

native
Fern

Cryptogramma crispa ssp. acrostichoides American parsely fern, American parsley fern, American rockbrake

native
Fern

Cryptogramma cascadensis Cascade parsely fern, Cascade rockbrake

native
Fern

Cryptogramma crispa Parsley fern

non-native
Fern

Cryptomeria japonica Japanese cedar

non-native
Tree

Cucumis melo Cantaloupe

non-native
Annual, Perennial herb

Cucumis melo var. dudaim Dudaim melon

• invasive non-native
Annual, Perennial herb

Cucumis metuliferus African horned cucumber

non-native
Annual, Perennial herb

Cucumis myriocarpus Gooseberry gourd, Paddy melon

• invasive non-native
Annual herb, Vine

Cucurbita ficifolia Figleaf gourd

non-native
Vine

Cucurbita foetidissima Calabazilla, Missouri gourd, Mock orange

native
Perennial herb, Vine

Cucurbita moschata Crookneck squash

non-native
Annual herb, Vine

Cucurbita palmata Coyote gourd, Coyote melon

native
Annual, Perennial herb

Cucurbita pepo Field pumpkin

non-native
Annual herb, Vine

Cucurbita pepo var. giromontina Field pumpkin

non-native
Annual herb, Vine

Cucurbita pepo var. ovifera Field pumpkin

non-native
Annual herb, Vine

Cucurbita pepo var. turbinata Field pumpkin

non-native
Annual herb, Vine

Cuniculotinus gramineus Panamint rock goldenrod

• rare native
Perennial herb

Cunninghamia lanceolata Chinese fir

non-native
Tree

Cupaniopsis anacardioides Carrotwood

non-native
Tree

Cuphea hyssopifolia False heather

non-native
Annual, Perennial herb

Cuphea wrightii Wright's waxweed

non-native
Annual, Perennial herb

Cupressus lusitanica Cedar-of-goa

non-native
Tree

Cupressus sempervirens Italian cypress

non-native
Tree

Cuscuta brachycalyx San joaquin dodder

native
Annual herb, Vine (parasitic)

Cuscuta californica var. apodanthera San joaquin dodder

native
Annual herb, Vine (parasitic)

Cuscuta californica California dodder, Chaparral dodder

native
Annual herb, Vine (parasitic)

Cuscuta californica var. californica California dodder, Chaparral dodder, Short flowered dodder

native
Annual herb, Vine (parasitic)

Cuscuta californica var. papillosa Chaparral dodder, Papillate dodder

native
Annual herb, Vine (parasitic)

Cuscuta campestris Field dodder

native
Annual herb, Vine (parasitic)

Cuscuta denticulata Desert dodder

native
Annual herb, Vine (parasitic)

Cuscuta howelliana Boggs lake dodder

native
Vine

Cuscuta indecora Big seed alfalfa dodder, Bigseed alfalfa dodder

native
Annual herb, Vine (parasitic)

Cuscuta indecora var. indecora Big seed alfalfa dodder, Bigseed alfalfa dodder

native
Annual herb, Vine (parasitic)

Cuscuta japonica Japanese dodder

• invasive non-native
Annual herb, Vine (parasitic)

Cuscuta jepsonii Jepson's dodder

• rare native
Annual herb, Vine

Cuscuta leptantha Slender dodder

non-native
Annual herb, Vine (parasitic)

Cuscuta occidentalis California dodder

native
Annual herb, Vine (parasitic)

Cuscuta pacifica Goldenthread, Saltmarsh dodder

native
Annual herb, Vine (parasitic)

Cuscuta pacifica var. pacifica Dodder

native
Annual herb, Vine (parasitic)

Cuscuta pentagona Five angled dodder, Fiveangled dodder, Western field dodder

native
Annual herb, Vine (parasitic)

Cuscuta reflexa Giant dodder

• invasive non-native
Annual herb

Cuscuta salina Saltmarsh dodder

native
Annual herb, Vine (parasitic)

Cuscuta subinclusa Canyon dodder

native
Annual herb, Vine (parasitic)

Cuscuta suksdorfii Mountain dodder

native
Annual herb, Vine (parasitic)

Cuscuta umbellata Flatglobe dodder

non-native
Annual herb, Vine (parasitic)

Cuscuta veatchii Desert dodder

native
Annual herb, Vine (parasitic)

Cusickiella douglasii Alkali cusickiella, Alkali draba

native
Perennial herb

Cusickiella quadricostata Bodie hills cusickiella

• rare native
Perennial herb

Cyclachaena xanthiifolia Giant sumpweed

non-native
Annual herb

Cycladenia humilis Cycladenia, Lamb's horns, Sacramento waxydogbane

native
Perennial herb

Cycladenia humilis var. humilis Cycladenia, Sacramento waxydogbane

native
Perennial herb

Cycladenia humilis var. jonesii Jones' waxydogbane

native
Perennial herb

Cycladenia humilis var. venusta Sacramento waxydogbane, Showy cycladenia

native
Perennial herb

Cycloloma atriplicifolium Winged pigweed

non-native
Annual herb

Ciclospermum leptophyllum Marsh parsley

non-native
Annual herb

Cyclospermum leptophyllum Marsh parsley

non-native
Annual herb

Cydonia oblonga Quince

non-native
Tree, Shrub

Cylindropuntia acanthocarpa Buck horn cholla

native
Perennial herb (stem succulent)

Opuntia acanthocarpa Buck horn cholla

native
Perennial herb (stem succulent)

Cylindropuntia acanthocarpa var. coloradensis Buckhorn cholla

native
Perennial herb (stem succulent)

Cylindropuntia acanthocarpa var. coloradensis

Opuntia acanthocarpa var. coloradensis Buckhorn cholla

native
Perennial herb (stem succulent)

Cylindropuntia californica var. parkeri Cane or valley cholla

native
Perennial herb (stem succulent)

Cylindropuntia bigelovii Teddybear cholla

native
Shrub (stem succulent)

Cylindropuntia bigelovii var. bigelovii Teddybear cholla

native
Shrub (stem succulent)

Opuntia bigelovii Teddybear cholla

native
Shrub (stem succulent)

Cylindropuntia californica California cholla

native
Perennial herb (stem succulent)

Cylindropuntia californica var. californica California pricklypear, Snake cholla

• rare native
Perennial herb (stem succulent)

Cylindropuntia californica var. californica

Opuntia parryi var. serpentina California pricklypear, Snake cholla

• rare native
Perennial herb (stem succulent)

Cylindropuntia chuckwallensis Chuckwalla cholla

native
Perennial herb (stem succulent)

Cylindropuntia echinocarpa Silver cholla

native
Shrub (stem succulent)

Opuntia echinocarpa Silver cholla

native
Shrub (stem succulent)

Cylindropuntia fosbergii Pink teddy-bear cholla

• rare native
Perennial herb

Cylindropuntia ganderi Gander's buckhorn cholla

native
Perennial herb (stem succulent)

Cylindropuntia ganderi var. catavinensis Gander's buckhorn cholla

native
Perennial herb (stem succulent)

Cylindropuntia ganderi var. catavinensis

Cylindropuntia munzii Munz's cholla

• rare native
Perennial herb (stem succulent)

Cylindropuntia prolifera Coastal cholla

native
Shrub (stem succulent)

Cylindropuntia ramosissima Branched pencil cholla

native
Shrub (stem succulent)

Opuntia ramosissima Branched pencil cholla

native
Shrub (stem succulent)

Cylindropuntia wolfii Wolf's opuntia

• rare native
Shrub (stem succulent)

Cymbalaria muralis Kenilworth ivy

non-native
Annual, Perennial herb

Cymbopogon citratus Lemon grass

non-native
Annual grass

Cymopterus aboriginum Indian parsnip, Indian springparsley

native
Perennial herb

Cymopterus cinerarius Gray springparsley, Gray's cymopterus

native
Perennial herb

Cymopterus corrugatus Wrinklewing springparsley

non-native
Perennial herb

Cymopterus deserticola Desert cymopterus, Desert springparsley

• rare native
Perennial herb

Cymopterus gilmanii Gilman's cymopterus, Gilman's springparsley

• rare native
Perennial herb

Cymopterus globosus Globe springparsley, Globose cymopterus

• rare native
Perennial herb

Cymopterus multinervatus Arizona cymopterus, Purplenerve springparsley

• rare native
Perennial herb

Cymopterus panamintensis var. acutifolius Panamint indian parsnip, Panamint springparsley

native
Perennial herb

Cymopterus panamintensis var. acutifolius

Cymopterus panamintensis var. panamintensis Panamint indian parsnip, Panamint springparsley

native
Perennial herb

Cymopterus panamintensis var. panamintensis

Cymopterus purpurascens Purple cymopterus, Widewing springparsley

native
Perennial herb

Cymopterus ripleyi Ripley's cymopterus, Ripley's springparsley

native
Perennial herb

Cymopterus ripleyi var. saniculoides Sanicle cymopterus

• rare native
Perennial herb

Cymopterus terebinthinus Turpentine cymopterus

native
Perennial herb

Pteryxia terebinthina var. terebinthina Turpentine cymopterus

native
Perennial herb

Cymopterus terebinthinus var. californicus Pteryxia, Turpentine cymopterus

native
Perennial herb

Cymopterus terebinthinus var. californicus

Cymopterus petraeus Rock cymopterus

native
Perennial herb

Cymopterus terebinthinus var. petraeus Rock cymopterus

native
Perennial herb

Cynara cardunculus Artichoke thistle, Cardoon

• invasive non-native
Perennial herb

Cynara cardunculus var. cardunculus Artichoke thistle, Cardoon

• invasive non-native
Perennial herb

Cynara cardunculus ssp. cardunculus Artichoke

non-native
Perennial herb

Cynara scolymus Artichoke

non-native
Perennial herb

Cynara cardunculus ssp. flavescens Cardoon

non-native
Perennial herb

Cynodon dactylon Bermuda grass, Bermudagrass

• invasive non-native
Perennial grass

Cynoglossum officinale Gypsyflower, Hound's tongue, Purple houndstongue

• invasive non-native
Perennial herb

Cynosurus cristatus Crested dogstail grass, Crested dogtail grass

non-native
Perennial grass

Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass

• invasive non-native
Annual grass

Cyperus acuminatus Short pointed cyperus, Tapertip flatsedge

native
Annual grasslike herb

Cyperus bipartitus Slender flatsedge

native
Annual grasslike herb

Cyperus difformis Variable flatsedge

non-native
Annual grasslike herb

Cyperus eragrostis Tall cyperus, Tall flatsedge

native
Perennial grasslike herb

Cyperus erythrorhizos Red rooted cyperus, Redroot flatsedge

native
Annual grasslike herb

Cyperus esculentus Chufa flatsedge, Nut grass, Yellow nutgrass

native
Perennial grasslike herb

Cyperus flavescens Yellow flatsedge

non-native
Annual grasslike herb

Cyperus fuscus Brown flatsedge

non-native
Annual grasslike herb

Cyperus involucratus Umbrella plant, Unbrella plant

non-native
Perennial grasslike herb

Cyperus iria Ricefield flatsedge

non-native
Annual grasslike herb

Cyperus laevigatus Smooth cyperus, Smooth flatsedge

native
Perennial grasslike herb

Cyperus niger Black cyperus, Black flatsedge, Brown cyperus

native
Perennial grasslike herb

Cyperus odoratus Fragrant flatsedge

native
Annual grasslike herb

Cyperus papyrus Papyrus

non-native
Perennial grasslike herb

Cyperus parishii Parish's flatsedge

native
Perennial grasslike herb

Cyperus rotundus Nutgrass

• invasive non-native
Perennial grasslike herb

Cyperus squarrosus Awned cyperus, Bearded flatsedge, Umbrella sedge

native
Annual grasslike herb

Cyperus strigosus False nutsedge, False nutseed, Straw colored cyperus

native
Perennial grasslike herb

Cypripedium californicum California lady's slipper

• rare native
Perennial herb (rhizomatous)

Cypripedium fasciculatum Clustered lady's slipper

• rare native
Perennial herb (rhizomatous)

Cypripedium montanum Mountain lady's slipper

• rare native
Perennial herb (rhizomatous)

Cypripedium parviflorum Lesser yellow lady's slipper

native
Perennial herb (rhizomatous)

Cypripedium parviflorum var. parviflorum Lesser yellow lady's slipper

native
Perennial herb (rhizomatous)

Cypripedium parviflorum var. parviflorum

Cypripedium parviflorum var. pubescens Lesser yellow lady's slipper

native
Perennial herb (rhizomatous)

Cypripedium parviflorum var. makasin Greater yellow lady's slipper

• rare native
Perennial herb (rhizomatous)

Cypselea humifusa Panal

non-native
Annual herb

Cyrtomium falcatum Hollyfern, Japanese netvein hollyfern

non-native
Fern

Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern

native
Fern

CYSTOPTERIDACEAE

Cytisus multiflorus Spanish broom, White spanishbroom

• invasive non-native
Shrub

Cytisus proliferus Tree lucerne

• invasive non-native
Shrub

Cytisus scoparius Scotch broom, Scotchbroom

• invasive non-native
Shrub

Cytisus scoparius ssp. scoparius Scotch broom, Scotchbroom

• invasive non-native
Shrub

Cytisus striatus Portuguese broom, Striated broom

• invasive non-native
Shrub

Dactylis glomerata Orchard grass, Orchardgrass

• invasive non-native
Perennial grass

Dactylis glomerata ssp. hispanica Orchard grass, Orchardgrass

• invasive non-native
Perennial grass

Dactyloctenium aegyptium Crows foot grass, Egyptian grass

non-native
Annual, Perennial grass

Dalea formosa Featherplume

non-native
Perennial herb

Dalea greggii Gregg's prairie clover

non-native
Perennial herb

Dalea mollis Hairy prairie clover, Silky dalea

native
Perennial herb

Dalea mollissima Downy dalea, Silky dalea, Soft prairie clover

native
Perennial herb

Dalea ornata Blue mountain prairie clover, Ornate dalea

• rare native
Perennial herb

Dalea searlsiae Searls' prairie clover

native
Perennial herb

Damasonium californicum California damsonium

native
Perennial herb (aquatic)

Danthonia californica California oatgrass

native
Perennial grass

Danthonia californica var. americana California oatgrass

native
Perennial grass

Danthonia intermedia Timber oatgrass

native
Perennial grass

Danthonia intermedia ssp. intermedia Intermediate oat grass

native
Perennial grass

Danthonia unispicata One spiked oatgrass, Onespike danthonia, Onespike oatgrass

native
Perennial grass

Darlingtonia californica California pitcherplant

• rare native
Perennial herb (carnivorous)

Darmera peltata Indian rhubarb, Umbrella plant

native
Perennial herb

Peltiphyllum peltatum Indian rhubarb, Umbrella plant

native
Perennial herb

Dasiphora floribunda Shrubby cinquefoil

native
Shrub

Dasiphora fruticosa Shrubby cinquefoil

native
Shrub

Dasiphora fruticosa ssp. floribunda Shrubby cinquefoil

native
Shrub

Potentilla fruticosa Shrubby cinquefoil

native
Shrub

Dasyochloa pulchella Low woollygrass

native
Perennial grass

Erioneuron pulchellum Low woollygrass

native
Perennial grass

Datisca glomerata Durango root

native
Perennial herb

DATISCACEAE

Datura discolor Desert thorn apple, Desert thornapple, Small datura

native
Annual herb

Datura ferox Chinese thornapple

non-native
Annual herb

Datura quercifolia Chinese thornapple

non-native
Annual herb

Datura metel Pricklyburr

• invasive non-native
Perennial herb

Datura stramonium Jimson weed, Jimsonweed

non-native
Annual herb

Datura stramonium var. stramonium Jimson weed, Jimsonweed

non-native
Annual herb

Datura stramonium var. tatula Jimson weed, Jimsonweed

non-native
Annual herb

Datura wrightii Jimsonweed, Sacred thorn apple, Toluaca

native
Perennial herb

Daucus carota Queen Anne's lace, Wild carrot

• invasive non-native
Perennial herb

Daucus carota ssp. carota Queen Anne's lace, Wild carrot

• invasive non-native
Perennial herb

Daucus carota ssp. sativa Queen Anne's lace, Wild carrot

• invasive non-native
Perennial herb

Daucus pusillus American wild carrot, Rattlesnake weed

native
Annual herb

Dedeckera eurekensis July gold

• rare native
Shrub

Deinandra arida Red rock tarplant

• rare native
Annual herb

Deinandra bacigalupii Livermore moonshine, Livermore tarplant

• rare native
Annual herb

Deinandra clementina Island tarplant

• rare native
Shrub

Deinandra conjugens Otay tarplant

• rare native
Annual herb

Deinandra corymbosa Coastal tarweed

native
Annual herb

Deinandra corymbosa ssp. corymbosa Coastal tarweed

native
Annual herb

Hemizonia corymbosa Coastal tarweed

native
Annual herb

Deinandra fasciculata Clustered tarweed

native
Annual herb

Hemizonia fasciculata Clustered tarweed

native
Annual herb

Deinandra floribunda Tecate tarplant

• rare native
Annual herb

Deinandra halliana Hall's tarplant

• rare native
Annual herb

Deinandra increscens ssp. increscens Grassland tarweed

native
Annual herb

Deinandra increscens ssp. villosa Gaviota tarplant

• rare native
Annual herb

Deinandra kelloggii Kellogg's tarweed

native
Annual herb

Deinandra lobbii Threeray tarweed

native
Annual herb

Deinandra minthornii Santa susana tarplant

• rare native
Shrub

Hemizonia minthornii Santa susana tarplant

• rare native
Shrub

Deinandra mohavensis Mojave tarplant

• rare native
Annual herb

Hemizonia mohavensis Mojave tarplant

• rare native
Annual herb

Deinandra pallida Kern tarweed

native
Annual herb

Deinandra paniculata Paniculate tarplant, San Diego tarweed

• rare native
Annual herb

Deinandra pentactis Salinas river tarweed

native
Annual herb

Delairea odorata Cape ivy

• invasive non-native
Perennial herb

Delosperma litorale Ice plant, Seaside delosperma

non-native
Shrub (stem succulent)

Delphinium andersonii Anderson larkspur, Anderson's larkspur

native
Perennial herb

Delphinium menziesii Anderson larkspur, Anderson's larkspur

native
Perennial herb

Delphinium antoninum Anthony peak larkspur, Tracy's larkspur

native
Perennial herb

Delphinium bakeri Baker's delphinium, Baker's larkspur

• rare native
Perennial herb

Delphinium californicum California larkspur, Coast larkspur

native
Perennial herb

Delphinium californicum ssp. californicum California larkspur

native
Perennial herb

Delphinium californicum ssp. californicum

Delphinium californicum ssp. interius California larkspur, Coastal larkspur, Hospital canyon larkspur

• rare native
Perennial herb

Delphinium cardinale Scarlet larkspur

native
Perennial herb

Delphinium decorum Coast larkspur, Coastal larkspur, Larkspur

native
Perennial herb

Delphinium decorum ssp. decorum Coastal larkspur

native
Perennial herb

Delphinium decorum ssp. tracyi Coastal larkspur, Tracy's larkspur

native
Perennial herb

Delphinium depauperatum Dwarf larkspur, Few flowered larkspur, Slim larkspur

native
Perennial herb

Delphinium glaucum Glaucus larkspur, Sierra larkspur

native
Perennial herb

Delphinium scopulorum Glaucus larkspur, Sierra larkspur

native
Perennial herb

Delphinium gracilentum Meadow larkspur, Pine forest larkspur, Slender or Greene's Larkspur

native
Perennial herb

Delphinium gypsophilum Gypsum loving larkspur, Pinoche creek larkspur

native
Perennial herb

Delphinium gypsophilum ssp. parviflorum Pinoche creek larkspur, Small flowered gypsum loving larkspur

• rare native
Perennial herb

Delphinium hansenii Eldorado larkspur, Hansen's larkspur

native
Perennial herb

Delphinium hansenii ssp. ewanianum Ewan's larkspur

• rare native
Perennial herb

Delphinium hansenii ssp. hansenii Eldorado larkspur, Hansen's larkspur

native
Perennial herb

Delphinium hansenii ssp. kernense Kern larkspur

native
Perennial herb

Delphinium hesperium Foothill larkspur, Western larkspur

native
Perennial herb

Delphinium hesperium ssp. hesperium Foothill larkspur, Western larkspur

native
Perennial herb

Delphinium hesperium ssp. pallescens Foothill larkspur, Pale western larkspur, Western larkspur

native
Perennial herb

Delphinium hutchinsoniae Hutchinson's larkspur, Monterey larkspur

• rare native
Perennial herb

Delphinium inopinum Unexpected larkspur

• rare native
Perennial herb

Delphinium luteum Yellow larkspur

• rare native
Perennial herb

Delphinium nudicaule Canyon larkspur, Red or Orange Larkspur, Red larkspur

native
Perennial herb

Delphinium nuttallianum Low larkspur, Meadow larkspur, Dwarf, Meadow, Slim or Sonne's Larkspur

native
Perennial herb

Delphinium nuttallianum var. nuttallianum Low larkspur, Meadow larkspur, Dwarf, Meadow, Slim or Sonne's Larkspur

native
Perennial herb

Delphinium nuttallianum var. nuttallianum

Delphinium parishii Desert larkspur, Parish's larkspur

native
Perennial herb

Delphinium parishii var. parishii Desert larkspur, Parish's larkspur

native
Perennial herb

Delphinium parishii ssp. pallidum Pale parish's larkspur, Pallid larkspur

native
Perennial herb

Delphinium parishii ssp. parishii Parish's larkspur

native
Perennial herb

Delphinium parishii ssp. subglobosum Intermediate larkspur, Oceanblue larkspur

• rare native
Perennial herb

Delphinium parryi San bernardino larkspur

native
Perennial herb

Delphinium parryi ssp. blochmanniae San bernardino larkspur

native
Perennial herb

Delphinium parryi ssp. blochmaniae Blochman's larkspur, Dune larkspur

• rare native
Perennial herb

Delphinium parryi ssp. eastwoodiae Eastwood's larkspur

• rare native
Perennial herb

Delphinium parryi ssp. maritimum Seaside larkspur

native
Perennial herb

Delphinium parryi ssp. parryi Parry's larkspur, San bernardino larkspur

native
Perennial herb

Delphinium parryi ssp. purpureum Mt. pinos larkspur, San bernardino larkspur

• rare native
Perennial herb

Delphinium patens Spreading larkspur, Zigzag larkspur

native
Perennial herb

Delphinium patens ssp.. patens Spreading larkspur, Zigzag larkspur

native
Perennial herb

Delphinium patens ssp. hepaticoideum Spreading larkspur, Zigzag larkspur

native
Perennial herb

Delphinium patens ssp. montanum Spreading larkspur, Zigzag larkspur

native
Perennial herb

Delphinium patens ssp. patens Spreading larkspur, Zigzag larkspur

native
Perennial herb

Delphinium polycladon Mountain marsh larkspur

native
Perennial herb

Delphinium purpusii Kern county larkspur

• rare native
Perennial herb

Delphinium recurvatum Byron larkspur, Recurved larkspur

• rare native
Perennial herb

Delphinium scaposum Tall mountain larkspur

• rare native
Perennial herb

Delphinium stachydeum Spiked larkspur

• rare native
Perennial herb

Delphinium trolliifolium Columbian larkspur, Cow poison

native
Perennial herb

Delphinium uliginosum Swamp larkspur

• rare native
Perennial herb

Delphinium umbraculorum Umbrella larkspur

• rare native
Perennial herb

Delphinium variegatum Royal larkspur

native
Perennial herb

Delphinium variegatum ssp. ? Royal larkspur

native
Perennial herb

Delphinium variegatum var. kinkiense Royal larkspur

native
Perennial herb

Delphinium variegatum ssp. kinkiense Royal larkspur, San clemente island larkspur

• rare native
Perennial herb

Delphinium variegatum ssp. thornei Thorne's royal larkspur

• rare native
Perennial herb

Delphinium variegatum ssp. variegatum Royal larkspur

native
Perennial herb

Dendroalsia abietina Dendroalsia moss

native
Moss

CRYPHAEACEAE

Dendromecon harfordii Island bush poppy, Channel Islands tree poppy, Harford's tree poppy

native
Shrub

Dendromecon harfordii var. harfordii Channel island tree poppy

• rare native
Shrub

Dendromecon harfordii var. rhamnoides Island tree poppy, Tree poppy

• rare native
Shrub

Dendromecon rigida Bush poppy, Tree poppy

native
Shrub

Deschampsia cespitosa California hairgrass, Tufted hair grass, Tufted hairgrass

native
Perennial grass

Deschampsia cespitosa ssp. cespitosa Tufted hair grass, Tufted hairgrass

native
Perennial grass

Deschampsia cespitosa ssp. holciformis California hairgrass, Coastal tufted hair grass, Tufted hairgrass

native
Perennial grass

Deschampsia danthonioides Annual hairgrass

native
Annual grass

Deschampsia elongata Hairgrass, Slender hairgrass

native
Perennial grass

Descurainia californica Sierra tansy mustard, Sierra tansymustard

native
Perennial herb

Descurainia incana Mountain tansy mustard, Mountain tansymustard, Soft mountain tansy mustard

native
Perennial herb

Descurainia richardsonii Mountain tansy mustard, Mountain tansymustard, Soft mountain tansy mustard

native
Perennial herb

Descurainia incisa ssp. incisa Mountain tansy mustard

native
Annual, Biennial herb

Descurainia incisa var. incisa Mountain tansy mustard

native
Annual, Biennial herb

Descurainia longipedicellata

native
Annual herb

Descurainia pinnata Western tansy mustard, Western tansymustard, Yellow tansy mustard

native
Annual herb

Descurainia pinnata ssp. brachycarpa Western tansymustard

native
Annual herb

Descurainia pinnata ssp. glabra Smooth western tansy mustard, Western tansymustard, Yellow tansy mustard

native
Annual herb

Descurainia pinnata var. glabra Smooth western tansy mustard, Western tansymustard, Yellow tansy mustard

native
Annual herb

Descurainia sophia Flix weed, Herb sophia

• invasive non-native
Annual herb

Desmazeria rigida Ferngrass, Hard bluegrass

non-native
Annual grass

Dianthus armeria Deptford pink

non-native
Annual, Biennial herb

Dianthus armeria ssp. armeria Grass pink

non-native
Annual, Biennial herb

Dianthus barbatus Sweetwilliam

non-native
Perennial herb

Dianthus deltoides Meadow pink

non-native
Perennial herb

Velezia rigida

non-native
Annual herb

Dianthus plumarius Feathered pink

non-native
Perennial herb

Dicentra formosa Pacific bleeding heart, Pacific bleedinghearts

native
Perennial herb

Dicentra formosa ssp. oregona Pacific bleeding heart, Pacific bleedinghearts

native
Perennial herb

Dicentra formosa ssp.formosa 1 Pacific bleeding heart, Pacific bleedinghearts

native
Perennial herb

Dicentra formosa ssp. formosa Pacific bleeding heart

native
Perennial herb

Dicentra formosa ssp. oregana Oregon bleeding heart

• rare native
Perennial herb

Dicentra nevadensis Sierra bleeding heart, Tulare county bleeding heart

• rare native
Perennial herb (rhizomatous)

Dicentra pauciflora Few flowered bleeding heart, Shorthorn steer's head

native
Perennial herb

Dicentra uniflora Longhorn steer's head, Steer's head, Steers head

native
Perennial herb

Dichelostemma capitatum ssp. capitatum Blue dicks, Wild hyacinth

native
Perennial herb

Dichelostemma congestum Fork toothed ookow, Ookow

native
Perennial herb

Dichelostemma ida-maia Firecracker brodiaea, Firecracker flower

native
Perennial herb

Dichelostemma multiflorum Many flowered brodiaea, Manyflower brodiaea, Roundtooth snakelily

native
Perennial herb

Brodiaea californica Twining brodiaea, Twining snakelily

native
Perennial herb

Dichelostemma volubile Twining brodiaea, Twining snakelily

native
Perennial herb

Dichondra donelliana California ponysfoot, Dichondra

native
Perennial herb, Vine

Dichondra micrantha Asian ponysfoot

non-native
Perennial herb

Dichondra repens Asian ponysfoot

non-native
Perennial herb

Dichondra occidentalis Western dichondra, Western ponysfoot

• rare native
Perennial herb (rhizomatous)

Dicoria canescens Desert dicoria, Desert twinbugs

native
Annual herb

Cordylanthus orcuttianus Orcutt's bird's-beak

• rare native
Annual herb

Dicranostegia orcuttiana Orcutt's bird's-beak

• rare native
Annual herb

Dicranoweisia cirrata Dicranoweisia moss

native
Moss

DICRANACEAE

Didymodon norrisii Norris' beard moss

native
Moss

Didymodon vinealis Didymodon moss

native
Moss

Dieteria asteroides var. asteroides Hoary aster

native
Perennial herb

Dieteria asteroides var. lagunensis Mount laguna aster

• rare native
Perennial herb

Dieteria canescens Hoary aster

native
Perennial herb

Dieteria canescens var. aristata Hoary aster

native
Perennial herb

Dieteria canescens var. glabra Hoary aster

native
Perennial herb

Machaeranthera canescens Hoary aster

native
Perennial herb

Machaeranthera canescens var. ambigua Hoary aster

native
Perennial herb

Dieteria canescens var. canescens Hoary aster

native
Perennial herb

Machaeranthera canescens var. canescens Hoary aster

native
Perennial herb

Dieteria canescens var. leucanthemifolia Hoary aster

native
Perennial herb

Dieteria canescens var. leucanthemifolia

Machaeranthera canescens var. leucanthemifolia Hoary aster

native
Perennial herb

Machaeranthera canescens var. leucanthemifolia

Dieteria canescens var. shastensis Shasta aster

native
Perennial herb

Machaeranthera canescens var. shastensis Shasta aster

native
Perennial herb

Machaeranthera canescens var. shastensis

Dieteria canescens var. ziegleri Ziegler's aster

• rare native
Perennial herb

Digitalis purpurea Purple foxglove

• invasive non-native
Perennial herb

Digitaria californica Arizona cottontop

native
Perennial grass

Digitaria californica var. californica Arizona cottontop

• rare native
Perennial grass

Digitaria ischaemum Smooth crabgrass

non-native
Annual grass

Digitaria sanguinalis Hairy crabgrass

non-native
Annual grass

Dimeresia howellii Doublet

• rare native
Annual herb

Dimorphotheca ecklonis Blue & white daisybush

non-native
Perennial herb

Osteospermum ecklonis Blue & white daisybush

non-native
Perennial herb

Osteospermum fruticosum Trailing african daisy

non-native
Perennial herb

Dimorphotheca sinuata African daisy, Cape marigold, Glandular cape marigold

• invasive non-native
Annual herb

Diodia teres Poorjoe, Rough buttonweed

native
Annual herb

Diodia virginiana Virginia buttonweed

non-native
Annual herb

Diospyros digyna Black sapote

non-native
Tree

Diospyros kaki Japanese persimmon

non-native
Tree

Diospyros lotus Date plum

non-native
Tree

Diospyros virginiana Common persimmon

non-native
Tree

Mimulus angustatus Narrow leaved pansy monkeyflower

native
Annual herb

Mimulus aurantiacus var. aridus Low bush monkeyflower

• rare native
Shrub

Diplacus aurantiacus Orange Bush Monkeyflower

native
Shrub

Diplacus aurantiacus var. grandiflorus Orange Bush Monkeyflower

native
Shrub

Diplacus aurantiacus var. pubescens Orange Bush Monkeyflower

native
Shrub

Diplacus aurantiacus var. puniceus Orange Bush Monkeyflower

native
Shrub

Diplacus lompocensis Orange Bush Monkeyflower

native
Shrub

Mimulus aurantiacus Orange Bush Monkeyflower

native
Shrub

Mimulus aurantiacus var. aurantiacus Orange Bush Monkeyflower

native
Shrub

Diplacus bicolor Harlequin monkeyflower

native
Annual herb

Mimulus whitneyi Harlequin monkeyflower

native
Annual herb

Diplacus bigelovii Bigelow mimulus

native
Annual herb

Mimulus bigelovii Bigelow mimulus

native
Annual herb

Mimulus bigelovii var. bigelovii Bigelow's monkeyflower

native
Annual herb

Diplacus bigelovii var. cuspidatus Bigelow's monkeyflower

native
Annual herb

Mimulus bigelovii var. cuspidatus Bigelow's monkeyflower

native
Annual herb

Diplacus bolanderi Bolander's monkeyflower

native
Annual herb

Mimulus bolanderi Bolander's monkeyflower

native
Annual herb

Diplacus brevipes Wide throated yellow monkeyflower

native
Annual herb

Mimulus brevipes Wide throated yellow monkeyflower

native
Annual herb

Diplacus clevelandii Cleveland's bush monkeyflower

• rare native
Perennial herb

Mimulus clevelandii Cleveland's bush monkeyflower

• rare native
Perennial herb

Diplacus compactus Viscid monkeyflower

native
Annual herb

Mimulus viscidus var. compactus Viscid monkeyflower

native
Annual herb

Diplacus congdonii Congdon's monkeyflower

native
Annual herb

Mimulus congdonii Congdon's monkeyflower

native
Annual herb

Diplacus constrictus Dense fruited monkeyflower

native
Annual herb

Mimulus constrictus Dense fruited monkeyflower

native
Annual herb

Diplacus douglasii Purple mouse ears

native
Annual herb

Mimulus douglasii Purple mouse ears

native
Annual herb

Mimulus fremontii Fremont's monkeyflower

native
Annual herb

Mimulus fremontii var. fremontii Fremont's monkeyflower

native
Annual herb

Diplacus grandiflorus Sticky monkeyflower

native
Shrub

Mimulus aurantiacus var. grandiflorus Sticky monkeyflower

native
Shrub

Mimulus bifidus Sticky monkeyflower

native
Shrub

Diplacus jepsonii Jepson's monkeyflower

native
Annual herb

Mimulus jepsonii Jepson's monkeyflower

native
Annual herb

Mimulus nanus var. jepsonii Jepson's monkeyflower

native
Annual herb

Mimulus johnstonii Johnston's monkeyflower

• rare native
Annual herb

Diplacus kelloggii Kellogg's monkeyflower

native
Annual herb

Mimulus kelloggii Kellogg's monkeyflower

native
Annual herb

Diplacus layneae Layne's monkeyflower

native
Annual herb

Mimulus layneae Layne's monkeyflower

native
Annual herb

Diplacus leptaleus Least flowered monkeyflower

native
Annual herb

Mimulus leptaleus Least flowered monkeyflower

native
Annual herb

Diplacus longiflorus southern bush monkeyflower

native
Shrub

Mimulus aurantiacus var. pubescens southern bush monkeyflower

native
Shrub

Diplacus mephiticus Skunky monkeyflower

native
Annual herb

Mimulus mephiticus Skunky monkeyflower

native
Annual herb

Mimulus nanus var. mephiticus Skunky monkeyflower

native
Annual herb

Mimulus mohavensis Mojave monkeyflower

• rare native
Annual herb

Diplacus nanus Dwarf monkeyflower, Dwarf monkey flower

native
Annual herb

Mimulus nanus Dwarf monkeyflower, Dwarf monkey flower

native
Annual herb

Mimulus nanus ssp. nanus Dwarf monkeyflower, Dwarf monkey flower

native
Annual herb

Mimulus nanus var. nanus Dwarf monkeyflower, Dwarf monkey flower

native
Annual herb

Mimulus parryi Parry's monkeyflower

• rare native
Annual herb

Diplacus parviflorus

• rare native
Annual herb

Mimulus aurantiacus var. parviflorus

• rare native
Annual herb

Diplacus pictus calico monkeyflower

• rare native
Annual herb

Mimulus pictus calico monkeyflower

• rare native
Annual herb

Diplacus pulchellus yellow-lip pansy monkeyflower

• rare native
Annual herb

Mimulus pulchellus yellow-lip pansy monkeyflower

• rare native
Annual herb

Diplacus puniceus Sticky monkey flower

native
Shrub

Mimulus aurantiacus var. puniceus Sticky monkey flower

native
Shrub

Mimulus pygmaeus Egg Lake monkeyflower

• rare native
Annual herb

Diplacus rattanii Rattan's monkeyflower

native
Annual herb

Diplacus rattanii ssp. decurtatus Rattan's monkeyflower

native
Annual herb

Mimulus rattanii Rattan's monkeyflower

native
Annual herb

Diplacus rupicola Death Valley monkeyflower

• rare native
Perennial herb

Mimulus rupicola Death Valley monkeyflower

• rare native
Perennial herb

Diplacus torreyi Torrey's monkeyflower

native
Annual herb

Mimulus torreyi Torrey's monkeyflower

native
Annual herb

Diplacus tricolor Tricolor monkeyflower

native
Annual herb

Mimulus tricolor Tricolor monkeyflower

native
Annual herb

Diplacus vandenbergensis Vandenberg monkeyflower

• rare native
Annual herb

Mimulus fremontii var. vandenbergensis Vandenberg monkeyflower

• rare native
Annual herb

Mimulus viscidus Viscid monkeyflower

native
Annual herb

Mimulus viscidus var. viscidus Viscid monkeyflower

native
Annual herb

Diplazium esculentum Vegetable fern

non-native
Fern

Diplotaxis erucoides White wallrocket

non-native
Perennial herb

Diplotaxis muralis Annual wall rocket, Annual wallrocket

non-native
Annual, Perennial herb

Diplotaxis tenuifolia Perennial wall rocket, Perennial wallrocket

non-native
Perennial herb

Dipogon lignosus Okie bean

• invasive non-native
Perennial herb, Vine

Dolichos lignosus Okie bean

• invasive non-native
Perennial herb, Vine

Dipsacus fullonum Fuller's teasel, Fullers' teasel, Wild teasel

• invasive non-native
Perennial herb

Dipsacus fullonum ssp. sylvestris Fuller's teasel, Fullers' teasel, Wild teasel

• invasive non-native
Perennial herb

Dipsacus sylvestris Fuller's teasel, Fullers' teasel, Wild teasel

• invasive non-native
Perennial herb

Dipsacus sativus Fuller's teasel, Indian teasel

• invasive non-native
Annual, Biennial herb

Dichelostemma capitatum Blue dicks

native
Perennial herb

Dichelostemma capitatum ssp. lacuna-vernalis Vernal pool blue dicks

native
Perennial herb

Dichelostemma capitatum ssp. lacuna-vernalis

Dichelostemma capitatum ssp. pauciflorum Few flowered blue dicks

native

Dichelostemma capitatum ssp. pauciflorum

Dirca occidentalis Western leatherwood

• rare native
Shrub

THYMELAEACEAE

Dissanthelium californicum California dissanthelium, Catalina grass

• rare native
Annual grass

Distichlis littoralis Shore grass

native
Perennial grass

Distichlis spicata Inland saltgrass, Salt grass, Saltgrass

native
Perennial grass

Distichlis spicata var. stricta Inland saltgrass, Salt grass, Saltgrass

native
Perennial grass

Ditaxis claryana Glandular ditaxis

• rare native
Perennial herb

Argythamnia lanceolata Lance leaved ditaxis, Narrowleaf ditaxis

native
Perennial herb

Ditaxis lanceolata Lance leaved ditaxis, Narrowleaf ditaxis

native
Perennial herb

Ditaxis neomexicana Common ditaxis, New mexico ditaxis

native
Annual, Perennial herb

Ditaxis serrata Saw toothed ditaxis, Yuma ditaxis

native
Annual, Perennial herb

Ditaxis serrata var. californica California ditaxis

• rare native
Perennial herb

Ditaxis serrata var. serrata Saw toothed ditaxis

native
Annual, Perennial herb

Dithyrea californica California shieldpod, Spectacle pod

native
Annual herb

Dithyrea maritima Beach shieldpod, Beach spectaclepod

• rare native
Perennial herb (rhizomatous)

Dittrichia graveolens Stinkwort

• invasive non-native
Annual herb

Inula graveolens Stinkwort

• invasive non-native
Annual herb

Dittrichia viscosa False yellowhead

• invasive non-native
Perennial herb

Dodecahema leptoceras Slender horned spineflower, Slenderhorn spineflower

• rare native
Annual herb

Dodonaea elaeagnoides Florida hopbush

non-native
Tree, Shrub

Dodonaea viscosa Florida hopbush

non-native
Tree, Shrub

Eucephalus breweri

native
Perennial herb

Eucephalus engelmannii

native
Perennial herb

Eucephalus ledophyllus var. covillei

native
Perennial herb

Eucephalus tomentellus Brickellbush aster

native
Perennial herb

Dorycnium hirsutum Hairy canary-clover

non-native
Perennial herb

Downingia bacigalupii Bach's calicoflower, Bach's downingia

native
Annual herb

Downingia bella Hoover's calicoflower, Hoover's downingia

native
Annual herb

Downingia bicornuta Bristled downingia, Doublehorn calicoflower

native
Annual herb

Downingia bicornuta var. bicornuta Bristled downingia, Doublehorn calicoflower

native
Annual herb

Downingia bicornuta var. picta Doublehorn calicoflower, Mountain bristled downingia

native
Annual herb

Downingia concolor Maroonspot calicoflower, Spotted throat downingia

native
Annual herb

Downingia concolor var. brevior Cuyamaca lake downingia, Maroonspot calicoflower

• rare native
Annual herb

Downingia concolor var. concolor Maroonspot calicoflower, Spotted throat downingia

native
Annual herb

Downingia cuspidata Toothed calicoflower, Toothed downingia

native
Annual herb

Downingia elegans Elegant calicoflower, Elegant downingia

native
Annual herb

Downingia insignis Harlequin calicoflower, Harlequin downingia

native
Annual herb

Downingia laeta Great basin calicoflower, Great basin downingia

• rare native
Annual herb

Downingia montana Sierra calicoflower, Sierra downingia

native
Annual herb

Downingia ornatissima Folded calicoflower, Horned downingia

native
Annual herb

Downingia ornatissima var. ornatissima Folded calicoflower, Horned downingia

native
Annual herb

Downingia pulchella Flatface calicoflower, Flatface downingia

native
Annual herb

Downingia pusilla Dwarf calicoflower, Dwarf downingia

• rare native
Annual herb

Downingia yina Cascade calicoflower, Cascade downingia

native
Annual herb

Draba albertina Alaska whitlow grass, Alberta whitlow grass, Slender draba

native
Annual, Perennial herb

Draba stenoloba var. ramosa Alaska whitlow grass, Alberta whitlow grass, Slender draba

native
Annual, Perennial herb

Draba asterophora Lake tahoe draba

native
Perennial herb

Draba asterophora var. asterophora Lake tahoe draba

• rare native
Perennial herb

Draba asterophora var. macrocarpa Cup lake draba, Lake tahoe draba

• rare native
Perennial herb

Draba aureola Golden draba, Mt. lassen draba

• rare native
Perennial herb

Draba breweri Brewer's draba, Brewer's whitlow grass, Cushion draba

native
Perennial herb

Draba breweri var. breweri Brewer's draba, Brewer's whitlow grass, Cushion draba

native
Perennial herb

Draba californica California draba

• rare native
Perennial herb

Draba cana Canescent draba

• rare native
Perennial herb

Draba carnosula Mt. Eddy draba

• rare native
Perennial herb

Draba corrugata Southern california draba

native
Perennial herb

Draba corrugata var. demareei Southern california draba

native
Perennial herb

Draba cruciata Mineral king draba

• rare native
Perennial herb

Draba cuneifolia Wedge leaved draba, Wedgeleaf draba

native
Annual herb

Draba densifolia Dense leaved draba, Denseleaf draba

native
Perennial herb

Draba howellii Howell's draba, Rosette draba

• rare native
Perennial herb

Draba incrassata Sweetwater draba, Sweetwater mtns. draba

• rare native
Perennial herb

Draba lemmonii Granite draba

native
Perennial herb

Draba lonchocarpa Lancepod draba

• rare native
Perennial herb

Draba longisquamosa Granite draba

native
Perennial herb

Draba monoensis Mono draba, White mtns. draba

• rare native
Perennial herb

Draba nemorosa Woodland draba

non-native
Annual herb

Draba paysonii var. treleasei Trelease's draba

native
Perennial herb

Draba oligosperma Few seeded draba, Fewseed draba

native
Perennial herb

Draba oligosperma var. oligosperma Few seeded draba, Fewseed draba

native
Perennial herb

Draba paysonii var. treleasii Payson's draba

native
Perennial herb

Draba praealta Tall draba

• rare native
Perennial herb

Draba pterosperma Winged seed draba, Wingedseed draba

• rare native
Perennial herb

Draba saxosa Southern california rock draba

• rare native
Perennial herb

Draba sharsmithii Mt. whitney draba, Sharsmith's draba

• rare native
Perennial herb

Draba sierrae Sierra draba

• rare native
Perennial herb

Draba subumbellata Mound draba, Parasol draba

• rare native
Perennial herb

Draba verna Spring draba, Whitlow grass, Whitlowgrass

non-native
Annual herb

Draba verna var. aestivalis Spring draba, Whitlow grass, Whitlowgrass

non-native
Annual herb

Erophila verna Spring draba, Whitlow grass, Whitlowgrass

non-native
Annual herb

Dracunculus vulgaris Common dracunculus

non-native
Perennial herb

Draperia systyla Draperia, Violet draperia

native
Perennial herb

Drosanthemum floribundum Ice plant, Rosy ice plant, Showy dewflower

non-native
Perennial herb

Drosera aliciae Australian sundew

non-native
Perennial herb

Drosera anglica English sundew, Long leaved sundew

• rare native
Perennial herb (carnivorous)

Drosera capensis Cape sundew

non-native
Perennial herb

Drosera filiformis Threadleaf sundew

non-native
Perennial herb (carnivorous)

Drosera filiformis var. filiformis Threadleaf sundew

non-native
Perennial herb (carnivorous)

Drosera linearis Slenderleaf sundew

non-native
Perennial herb (carnivorous)

Drosera rotundifolia Round leaved sundew, Roundleaf sundew

native
Perennial herb

Drosera rotundifolia var. charles Round leaved sundew, Roundleaf sundew

native
Perennial herb

Drosera filiformis var. tracyi Tracy's sundew

non-native
Perennial herb

Drosera tracyi Tracy's sundew

non-native
Perennial herb

Drosera Xobovata Hybrid sundew

native
Perennial herb (carnivorous)

Drymocallis cuneifolia var. ewanii Ewan's cinquefoil

• rare native
Perennial herb

Drymocallis glandulosa Sticky cinquefoil

native
Perennial herb

Potentilla glandulosa Sticky cinquefoil

native
Perennial herb

Drymocallis glandulosa var. glandulosa Sticky cinquefoil

native
Perennial herb

Potentilla glandulosa ssp. glandulosa Sticky cinquefoil

native
Perennial herb

Drymocallis glandulosa var. reflexa Sticky cinquefoil

native
Perennial herb

Potentilla glandulosa ssp. reflexa Sticky cinquefoil

native
Perennial herb

Drymocallis glandulosa var. wrangelliana Sticky cinquefoil

native
Perennial herb

Drymocallis glandulosa var. wrangelliana

Drymocallis hansenii Yosemite woodbeauty

native
Perennial herb

Potentilla glandulosa ssp. hansenii Yosemite woodbeauty

native
Perennial herb

Drymocallis lactea

native
Perennial herb

Drymocallis lactea var. austiniae Austin's woodbeauty

native
Perennial herb

Potentilla glandulosa ssp. ashlandica Austin's woodbeauty

native
Perennial herb

Drymocallis lactea var. lactea Sierran woodbeauty

native
Perennial herb

Potentilla glandulosa ssp. nevadensis Sierran woodbeauty

native
Perennial herb

Drymocallis pseudorupestris False rock loving cinquefoil

native
Perennial herb

Potentilla glandulosa ssp. pseudorupestris False rock loving cinquefoil

native
Perennial herb

Potentilla glandulosa ssp. pseudorupestris

Drymocallis pseudorupestris var. crumiana Crum's woodbeauty

native
Perennial herb

Drymocallis pseudorupestris var. crumiana

Drymocallis pseudorupestris var. saxicola Cliff woodbeauty

native
Perennial herb

Drymocallis pseudorupestris var. saxicola

Dryopteris arguta California wood fern, Coastal wood fern, Shield fern

native
Fern

Dryopteris cristata Crested woodfern

non-native
Fern (rhizomatous)

Dryopteris dilatata Common wood fern, Spreading wood fern, Spreading woodfern

native
Fern

Dryopteris expansa Common wood fern, Spreading wood fern, Spreading woodfern

native
Fern

Dryopteris filix-mas Male fern

• rare native
Fern (rhizomatous)

Dryopteris marginalis Marginal woodfern

non-native
Fern (rhizomatous)

Duchesnea indica Indian strawberry, Mock strawberry

non-native
Perennial herb

Duchesnea indica var. indica Mock-strawberry

non-native
Perennial herb

Dudleya abramsii Abrams' dudleya, Abrams' liveforever

native
Perennial herb

Dudleya abramsii ssp. abramsii Abrams' dudleya, Abrams' liveforever

native
Perennial herb

Dudleya abramsii ssp. affinis San bernardino mountains liveforever, San bernardino mtns. dudleya

• rare native
Perennial herb

Dudleya abramsii ssp. bettinae San Luis Obispo serpentine dudleya

• rare native
Perennial herb

Dudleya abramsii ssp. calcicola Limestone dudleya

• rare native
Perennial herb

Dudleya abramsii ssp. murina San Luis Obispo dudleya

• rare native
Perennial herb

Dudleya abramsii ssp. setchellii Santa clara valley dudleya

• rare native
Perennial herb

Dudleya cymosa ssp. setchellii Santa clara valley dudleya

• rare native
Perennial herb

Dudleya setchellii Santa clara valley dudleya

• rare native
Perennial herb

Dudleya anomala

non-native
Perennial herb

Dudleya arizonica Arizona chalk dudleya

native
Perennial herb

Dudleya attenuata Tapertip liveforever

native
Perennial herb

Dudleya attenuata ssp. attenuata Orcutt's dudleya

• rare native
Perennial herb

Dudleya blochmaniae Blochman's dudleya, Blochman's liveforever

native
Perennial herb

Dudleya blochmaniae ssp. blochmaniae Blochman's dudleya, Blochman's liveforever

• rare native
Perennial herb

Dudleya blochmaniae ssp. insularis Blochman's liveforever, Santa rosa island dudleya, Santa rosa island live forever

• rare native
Perennial herb

Dudleya blochmaniae ssp. brevifolia Short leaved dudleya

• rare native
Perennial herb

Dudleya brevifolia Short leaved dudleya

• rare native
Perennial herb

Dudleya caespitosa Coast dudleya, Sand lettuce

native
Perennial herb

Dudleya candelabrum Candleholder dudleya, Candleholder live forever, Candleholder liveforever

• rare native
Perennial herb

Dudleya cymosa Canyon dudleya, Canyon liveforever, Rock lettuce

native
Perennial herb

Dudleya cymosa ssp. agourensis Canyon liveforever

• rare native
Perennial herb

Dudleya cymosa ssp. costatifolia Pierpoint springs dudleya

• rare native
Perennial herb

Dudleya cymosa ssp. crebrifolia San gabriel river dudleya

• rare native
Perennial herb

Dudleya cymosa ssp. cymosa Canyon dudleya, Canyon liveforever

native
Perennial herb

Dudleya cymosa ssp. gigantea Canyon dudleya, Canyon liveforever

native
Perennial herb

Dudleya cymosa ssp. marcescens Marcescent dudleya

• rare native
Perennial herb

Dudleya cymosa ssp. ovatifolia Santa monica mountains dudleya, Santa monica mtns. dudleya

• rare native
Perennial herb

Dudleya cymosa ssp. paniculata Canyon liveforever, Diablo range dudleya

native
Perennial herb

Dudleya cymosa ssp. pumila Canyon liveforever, Low canyon dudleya

native
Perennial herb

Dudleya densiflora San gabriel mountains liveforever, San gabriel mtns. dudleya

• rare native
Perennial herb

Dudleya edulis Fingertips

native
Perennial herb

Dudleya farinosa Bluff lettuce, North coast dudleya, Powdery liveforever

native
Perennial herb

Dudleya gnoma Munchkin liveforever

• rare native
Perennial herb

Dudleya greenei Greene's dudleya, Greene's live forever, Greene's liveforever

• rare native
Perennial herb

Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya

native
Perennial herb

Dudleya multicaulis Many stemmed dudleya, Manystem liveforever

• rare native
Perennial herb

Dudleya nesiotica Santa cruz island dudleya, Santa cruz island live forever, Santa cruz island liveforever

• rare native
Perennial herb

Dudleya palmeri Palmer's dudleya, Palmer's liveforever

native
Perennial herb

Dudleya parva Conejo dudleya

• rare native
Perennial herb

Dudleya pulverulenta Chalk dudleya

native
Perennial herb

Dudleya saxosa Panamint dudleya, Panamint liveforever, Rock live forever

native
Perennial herb

Dudleya saxosa ssp. aloides Desert dudleya, Panamint liveforever

native
Perennial herb

Dudleya saxosa ssp. saxosa Panamint dudleya, Panamint liveforever

• rare native
Perennial herb

Dudleya stolonifera Laguna Beach dudleya, Laguna Beach liveforever

• rare native
Perennial herb

Dudleya traskiae Santa barbara island dudleya, Santa barbara island live forever, Santa barbara island liveforever

• rare native
Perennial herb

Dudleya variegata Variegated dudleya, Variegated liveforever

• rare native
Perennial herb

Dudleya verityi Verity's dudleya, Verity's liveforever

• rare native
Perennial herb

Dudleya virens Bright green dudleya

native
Perennial herb

Dudleya virens var. virens Bright green dudleya

native
Perennial herb

Dudleya hassei Bright green dudleya

• rare native
Perennial herb

Dudleya virens ssp. hassei Bright green dudleya

• rare native
Perennial herb

Dudleya virens ssp. insularis Bright green dudleya

• rare native
Perennial herb

Dudleya virens ssp. virens Bright green dudleya

• rare native
Perennial herb

Dudleya viscida Sticky dudleya, Sticky liveforever

• rare native
Perennial herb

Dulichium arundinaceum Dulchium, Three way sedge, Threeway sedge

native
Perennial grasslike herb

Duranta erecta Golden dewdrops

non-native
Shrub, Tree

Duranta repens Golden dewdrops

non-native
Shrub, Tree

Dysphania ambrosioides Mexican tea

non-native
Annual, Perennial herb

Chenopodium botrys Jerusalem oak goosefoot

non-native
Annual herb

Dysphania botrys Jerusalem oak goosefoot

non-native
Annual herb

Dysphania multifida Cut leaved goosefoot

non-native
Annual, Perennial herb

Dysphania pumilio Tasmanian goosefoot

non-native
Annual herb

Dyssodia papposa Fetid marigold

non-native
Annual herb

Eastwoodia elegans Eastwoodia, Yellow aster, Yellow mock aster

native
Shrub

Eatonella nivea White eatonella, White false tickhead

native
Annual herb

Ebenopsis ebano Texas ebony

non-native
Tree, Shrub

Ecballium elaterium Squirting cucumber

non-native
Annual herb, Vine

Echinocactus polycephalus Cottontop cactus

native
Shrub (stem succulent)

Echinocactus polycephalus var. xeranthemoides Cottontop cactus

native
Shrub (stem succulent)

Echinocactus polycephalus var. xeranthemoides

Echinocactus polycephalus var. polycephalus Many-headed barrel cactus, Cotton top cactus, Cottontop cactus

native
Shrub (stem succulent)

Echinocactus polycephalus var. polycephalus

Echinocereus coccineus Scarlet hedgehog cactus

native
Shrub (stem succulent)

Echinocereus coccineus var. paucispinus Scarlet hedgehog cactus

native
Shrub (stem succulent)

Echinocereus engelmannii Calico cactus, Engelmann's hedgehog cactus

native
Shrub (stem succulent)

Echinocereus engelmannii var. acicularis Engelmann's hedgehog cactus

native
Shrub (stem succulent)

Echinocereus engelmannii var. acicularis

Echinocereus engelmannii var. howei Howe's hedgehog cactus

• rare native
Shrub (stem succulent)

Echinocereus mojavensis Mojave kingcup cactus

native
Shrub (stem succulent)

Echinocereus triglochidiatus Mojave kingcup cactus

native
Shrub (stem succulent)

Echinocereus triglochidiatus var. mojavensis Mojave kingcup cactus

native
Shrub (stem succulent)

Echinocereus triglochidiatus var. mojavensis

Echinochloa colona Jungle rice

non-native
Annual grass

Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass

non-native
Annual grass

Echinochloa crus-pavonis Gulf cockspur grass

non-native
Annual grass

Echinochloa muricata Rough barnyard grass, Rough barnyardgrass

non-native
Annual grass

Echinochloa muricata var. muricata Rough barnyard grass, Rough barnyardgrass

non-native
Annual grass

Echinodorus berteroi Burhead, Upright burrhead

native
Perennial herb (aquatic)

Echinodorus cordifolius Creeping burhead

non-native
Perennial herb (aquatic)

Echinops exaltatus Tall globethistle

non-native
Perennial herb

Echinops sphaerocephalus Globe thistle, Great globethistle

non-native
Perennial herb

Echium candicans Pride of madeira

• invasive non-native
Shrub

Echium fastuosum Pride of madeira

• invasive non-native
Shrub

Echium pininana Pine echium

non-native
Shrub

Echium plantagineum Salvation echium, Salvation jane, Viper's bugloss

• invasive non-native
Annual, Perennial herb

Echium vulgare Common viper's bugloss

non-native
Shrub

Eclipta prostrata False daisy

native
Annual herb

Egeria densa Brazilian water weed, Brazilian waterweed

• invasive non-native
Perennial herb

Dicentra chrysantha Golden eardrops

native
Perennial herb

Ehrendorferia chrysantha Golden eardrops

native
Perennial herb

Ehrendorferia ochroleuca Yellow bleeding heart, White eardrops, White bleeding heart

native
Perennial herb

Ehrharta calycina Perennial veldt grass, Perennial veldtgrass

• invasive non-native
Perennial grass

Ehrharta erecta Panic veldtgrass, Upright veldt grass

• invasive non-native
Perennial grass

Ehrharta longiflora Longflowered veldtgrass

• invasive non-native
Annual grass

Eichhornia crassipes Common water hyacinth

• invasive non-native
Perennial herb

Elaeagnus angustifolia Oleaster, Russian olive

• invasive non-native
Tree, Shrub

ELAEAGNACEAE

Elatine brachysperma Short seed waterwort, Shortseed waterwort

native
Annual, Perennial herb

Elatine californica California waterwort

native
Annual, Perennial herb

Elatine chilensis Chilean waterwort

native
Annual, Perennial herb (aquatic)

Elatine rubella Southwestern waterwort

native
Annual herb

Eleocharis acicularis Needle spike rush, Needle spikerush

native
Perennial grasslike herb

Eleocharis acicularis var. acicularis Needle spike rush, Needle spikerush

native
Perennial grasslike herb

Eleocharis atropurpurea Purple spikerush

native
Annual grasslike herb

Eleocharis bella Beautiful spikerush

native
Perennial grasslike herb

Eleocharis bolanderi Bolander's spikerush

native
Perennial grasslike herb

Eleocharis coloradoensis Dwarf spikerush

native
Perennial grasslike herb

Eleocharis decumbens Decumbent spikerush

native
Annual grasslike herb

Eleocharis engelmannii Engelmann's spikerush

native
Annual grasslike herb

Eleocharis engelmannii var. engelmannii Engelmann's spikerush

native
Annual grasslike herb

Eleocharis flavescens var. flavescens Yellow spikerush

native
Annual grasslike herb

Eleocharis geniculata Bent spikerush, Canada spikesedge

native
Annual grasslike herb

Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush

native
Perennial grasslike herb

Eleocharis montevidensis Montevideo spike rush, Sand spikerush

native
Perennial grasslike herb

Eleocharis obtusa Blunt spike rush, Blunt spikerush, Broad spiked spikerush

native
Annual grasslike herb

Eleocharis obtusa var. obtusa Blunt spike rush, Blunt spikerush, Broad spiked spikerush

native
Annual grasslike herb

Eleocharis pachycarpa Black sand spikerush, Broad fruit spikerush

non-native
Perennial grasslike herb

Eleocharis palustris Common spikerush

native
Perennial grasslike herb

Eleocharis parishii Parish's spike rush, Parish's spikerush

native
Perennial grasslike herb

Eleocharis parvula Dwarf spikerush, Small spikerush

• rare native
Perennial grasslike herb

Eleocharis quadrangulata Four angled spikerush, Squarestem spikerush

native
Perennial grasslike herb

Eleocharis pauciflora Fewflower spikerush

native
Perennial grasslike herb

Eleocharis quinqueflora Fewflower spikerush

native
Perennial grasslike herb

Eleocharis radicans Creeping spikerush, Rooted spikerush

native
Perennial grasslike herb

Eleocharis rostellata Beaked spikerush, Walking sedge

native
Perennial grasslike herb

Eleocharis torticulmis California twisted spikerush

• rare native
Perennial grasslike herb (rhizomatous)

Eleusine coracana ssp. africana African finger millet

non-native
Annual grass

Eleusine indica Goose grass, Indian goosegrass

non-native
Annual grass

Eleusine tristachya Three spiked goosegrass, Threespike goosegrass

non-native
Annual grass

Elodea canadensis Canadian waterweed, Common water weed, Elodea

native
Perennial herb

Elodea nuttallii Western waterweed

native
Perennial herb

Elymus californicus California bottle brush grass, California bottle grass, California bottlebrush grass

• rare native
Perennial grass

Elymus canadensis Canada wild rye, Canada wildrye

non-native
Perennial grass

Elymus caput-medusae Medusa head

• invasive non-native
Annual grass

Taeniatherum caput-medusae Medusa head

• invasive non-native
Annual grass

Elymus cinereus Great basin wild rye

native
Perennial grass

Leymus cinereus Great basin wild rye

native
Perennial grass

Elymus condensatus Giant wild rye

native
Perennial grass

Elymus elymoides Bottlebrush squirreltail, Squirrel tail grass, Squirreltail

native
Perennial grass

Elymus elymoides var. californicus Squirrel tail grass

native
Perennial grass

Elymus elymoides var. elymoides Squirrel tail grass

native
Perennial grass

Elymus elymoides var. hordeoides Barley squirreltail

native
Perennial grass

Elymus glaucus Blue wildrye

native
Perennial grass

Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass

native
Perennial grass

Elymus glaucus ssp. jepsonii Blue wild rye, Blue wildrye, Western rye grass

native
Perennial grass

Elymus glaucus ssp. virescens Blue wildrye, Virginia wildrye

native
Perennial grass

Elymus hispidus Intermediate wheatgrass

non-native
Perennial grass

Elymus lanceolatus Thickspike wheatgrass

native
Perennial grass

Elymus mollis American dune grass

native
Perennial grass

Elymus mollis ssp. mollis American dune grass, sea lyme grass

native
Perennial grass

Elymus multisetus Big squirreltail grass

native
Perennial grass

Elymus pacificus Pacific wild rye

native
Perennial grass

Leymus pacificus Pacific wild rye

native
Perennial grass

Elymus ponticus Tall wheat grass

non-native
Perennial grass

Elytrigia pontica Tall wheat grass

non-native
Perennial grass

Agropyron repens Quack grass

non-native
Perennial grass

Elymus repens Quack grass

non-native
Perennial grass

Elymus sierrae Sierra wildrye

native
Perennial grass

Elymus smithii Western wheat grass

native
Perennial grass

Elymus spicatus Blue bunch wheat grass

native
Perennial grass

Pseudoroegneria spicata Blue bunch wheat grass

native
Perennial grass

Pseudoroegneria spicata ssp. spicata Blue bunch wheat grass

native
Perennial grass

Elymus stebbinsii California wheat grass, Parish wheatgrass, Stebbins' wildrye

native
Perennial grass

Elymus trachycaulus Slender wheatgrass

native
Perennial grass

Elymus trachycaulus ssp. trachycaulus Slender wheatgrass

native
Perennial grass

Elymus triticoides Beardless wild rye

native
Perennial grass

Elymus Xgouldii Many flowered wild rye

native
Perennial grass

Leymus Xvancouverensis Vancouver wild rye

native
Perennial grass

Emex spinosa Devil's thorn, Spiny threecornerjack

• invasive non-native
Annual herb

Emilia fosbergii Florida tasselflower

non-native
Annual herb

Emilia sonchifolia Lilac tasselflower

non-native
Annual herb

Emilia sonchifolia var. javanica Lilac tasselflower

non-native
Annual herb

Emmenanthe penduliflora Whispering bells, Whisperingbells

native
Annual herb

Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells

native
Annual herb

Emmenanthe penduliflora var. penduliflora

Emmenanthe penduliflora var. rosea Pink whispering bells

native
Annual herb

Empetrum nigrum Black crowberry

• rare native
Shrub

Encelia actoni Acton encelia

native
Shrub

Encelia californica Bush sunflower, California brittlebush, California encelia

native
Shrub

Encelia farinosa Brittlebush, Goldenhills, Incienso

native
Shrub

Encelia farinosa var. farinosa Brittlebush, Goldenhills, Incienso

native
Shrub

Encelia farinosa var. phenicodonta Brittlebush, Goldenhills, Incienso

native
Shrub

Encelia frutescens Bush encelia, Button brittlebush, Button encelia

native
Shrub

Encelia virginensis Encelia, Virgin river brittlebush, Virgin river encelia

native
Shrub

Encelia virginensis ssp. actonii Encelia, Virgin river brittlebush, Virgin river encelia

native
Shrub

Encelia virginensis var. actonii Encelia, Virgin river brittlebush, Virgin river encelia

native
Shrub

Enceliopsis covillei Panamint daisy

• rare native
Perennial herb

Enceliopsis nudicaulis Naked stemmed daisy, Nakedstem sunray

native
Perennial herb

Enceliopsis nudicaulis ssp. corrugata Naked stemmed daisy, Nakedstem sunray

native
Perennial herb

Enceliopsis nudicaulis var. corrugata Nakedstem sunray

• rare native
Perennial herb, Shrub

Enceliopsis nudicaulis var. nudicaulis Nakedstem sunray

• rare native
Perennial herb, Shrub

Enchylaena tomentosa Ruby saltbush

non-native
Perennial herb

Enemion occidentale WESTERN RUE-ANEMONE, Western false rue anemone

native
Perennial herb

Isopyrum occidentale WESTERN RUE-ANEMONE, Western false rue anemone

native
Perennial herb

Enemion stipitatum Siskiyou false rue anemone

native
Perennial herb

Enneapogon desvauxii Nine awned pappus grass, Nineawn pappusgrass

• rare native
Perennial grass

Ephedra aspera Mormon tea, Rough jointfir

native
Shrub

Ephedra californica California ephedra, California jointfir, Desert tea

native
Shrub

Ephedra distachya Jointfir

non-native
Shrub

Ephedra funerea Death valley ephedra, Death valley jointfir

native
Shrub

Ephedra nevadensis Nevada ephedra, Nevada jointfir, Nevada mormon tea

native
Shrub

Ephedra torreyana Torrey's jointfir

• rare native
Shrub

Ephedra trifurca Long leafed ephedra, Longleaf jointfir

native
Tree, Shrub

Ephedra viridis Green ephedra, Mormon tea, Mountain ephedra

native
Shrub

Epilobium alpinum Alpine willowherb, Pimpernel willowherb

native
Perennial herb

Epilobium anagallidifolium Alpine willowherb, Pimpernel willowherb

native
Perennial herb

Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb

native
Annual herb

Epilobium campestre Smooth boisduvalia

native
Annual herb

Epilobium canum California fuchsia, Hummingbird trumpet, zauschneria

native
Perennial herb

Zauschneria californica California fuchsia, Hummingbird trumpet, zauschneria

native
Perennial herb

Epilobium canum ssp. angustifolium Hummingbird trumpet

native
Perennial herb

Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet

native
Perennial herb

Epilobium canum ssp. garrettii Garrett's california fuchsia

native
Perennial herb

Zauschneria garrettii Garrett's california fuchsia

native
Perennial herb

Epilobium canum ssp. latifolium California fuchsia, Hummingbird trumpet, Mountain california fuchsia

native
Perennial herb

Epilobium ciliatum Fringed willowherb, Northern willow herb, Slender willow herb

native
Perennial herb

Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb

native
Perennial herb

Epilobium ciliatum ssp. glandulosum Fringed willowherb, Glandular willowherb

native
Perennial herb

Epilobium glandulosum Fringed willowherb, Glandular willowherb

native
Perennial herb

Epilobium ciliatum ssp. watsonii Fringed willowherb, Watson's willowherb, Willow herb

native
Perennial herb

Epilobium clavatum Club fruit willowherb, Talus willowherb

native
Perennial herb

Epilobium cleistogamum Cleistogamous boisduvalia, Selfing willowherb

native
Annual herb

Epilobium densiflorum Dense boisduvalia, Dense flowered boisduvalia, Dense flowered spike primrose

native
Annual herb

Epilobium foliosum California willowherb

native
Annual herb

Epilobium glaberrimum Glaucous willow herb, Glaucus willowherb, Smooth willowherb

native
Perennial herb

Epilobium glaberrimum ssp. fastigiatum Cluster stemmed willowherb, Glaucus willowherb, Smooth willowherb

native
Perennial herb

Epilobium glaberrimum ssp. glaberrimum Glaucus willowherb, Smooth willowherb

native
Perennial herb

Epilobium hallianum Hall's willowherb

native
Perennial herb

Epilobium hornemannii ssp. hornemannii Hornemann's willow herb, Hornemann's willowherb

native
Perennial herb

Epilobium howellii Subalpine fireweed, Yuba pass willowherb

• rare native
Perennial herb

Epilobium lactiflorum Milkflower willowherb, White flowered willowherb

native
Perennial herb

Epilobium leptophyllum Bog willowherb, Slender leaved willowherb

non-native
Perennial herb

Epilobium luteum Yellow willowherb

• rare native
Perennial herb

Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb

native
Annual herb

Epilobium nivium Snow mountain willowherb, Snow mtn. willowherb

• rare native
Perennial herb

Epilobium obcordatum Heart willowweed, Rockfringe

native
Perennial herb

Epilobium oreganum Grants pass willowherb, Oregon fireweed

• rare native
Perennial herb

Epilobium oregonense Oregon willowherb, Slimstem willowweed

native
Perennial herb

Epilobium pallidum Largeflower spike primrose, Pale boisduvalia

native
Annual herb

Epilobium palustre Marsh willow herb, Marsh willowherb

• rare native
Perennial herb

Epilobium rigidum Siskiyou mtns. willowherb, Stiff willowherb

• rare native
Perennial herb

Epilobium septentrionale Humboldt county fuchsia, Northern willowherb

• rare native
Perennial herb

Epilobium siskiyouense Siskiyou fireweed, Siskiyou willowherb

• rare native
Perennial herb

Epilobium torreyi Narrow boisduvalia, Narrow leaved boisduvalia, Torrey's willowherb

native
Annual herb

Epipactis gigantea Giant helleborine, Stream orchid, Stream orchis

native
Perennial herb

Epipactis helleborine Broadleaf helleborine

non-native
Perennial herb

Epipactis helleborine ssp. helleborine Broadleaf helleborine

non-native
Perennial herb

Epipactis helleborine ssp. orbicularis Broadleaf helleborine

non-native
Perennial herb

Epipterygium tozeri Tozer's epipterygium moss

native
Moss

BRYACEAE

Equisetum arvense Common horsetail rush, Common horsetail, field horsetail, Field horsetail

native
Fern

Equisetum arvense var. alpestre Common horsetail rush, Common horsetail, field horsetail, Field horsetail

native
Fern

Equisetum fluviatile Water horsetail

non-native
Fern

Equisetum hyemale Scouringrush horsetail

native
Fern

Equisetum hyemale ssp. affine Giant scouring rush

native
Fern

Equisetum hyemale var. affine Giant scouring rush

native
Fern

Equisetum hyemale var. robustum Giant scouring rush

native
Fern

Equisetum fontinale Horsetail, Smooth horsetail, Smooth scouring rush

native
Fern

Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush

native
Fern

Equisetum palustre Marsh horsetail

• rare native
Fern (rhizomatous)

Equisetum telmateia Giant horsetail

native
Fern

Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail

native
Fern

Equisetum telmateia var. braunii Giant horse tail, Giant horsetail

native
Fern

Eragrostis barrelieri Mediterranean lovegrass

non-native
Annual grass

Eragrostis cilianensis Stinkgrass

non-native
Annual grass

Eragrostis megastachya Stinkgrass

non-native
Annual grass

Eragrostis hypnoides Teal lovegrass

native
Annual grass

Eragrostis mexicana ssp. virescens Mexican lovegrass, Orcutt's eragrostis

native
Annual grass

Eragrostis pectinacea var. pectinacea Tufted lovegrass

native
Annual grass

Eragrostis pilosa Indian lovegrass

non-native
Annual grass

Eragrostis pilosa var. pilosa Indian lovegrass

non-native
Annual grass

Erechtites hieracifolia American burnweed

non-native
Annual, Perennial herb

Erechtites hieraciifolius var. hieraciifolius American Burnweed

native
Annual herb

Eremalche exilis White mallow

native
Annual herb

Eremalche parryi Parry's mallow

native
Annual herb

Eremalche parryi ssp. kernensis Kern mallow

• rare native
Annual herb

Eremalche parryi ssp. parryi Parry's mallow

native
Annual herb

Malvastrum parryi Parry's mallow

native
Annual herb

Eremalche rotundifolia Desert five-spot, Desert fivespot

native
Annual herb

Malvastrum rotundifolium Desert five-spot, Desert fivespot

native
Annual herb

Cryptantha micrantha var. lepida Mountain red-root

native
Annual herb

Cryptantha micrantha var. micrantha Desert red-root

native
Annual herb

Arenaria aculeata Prickly sandwort

native
Perennial herb

Eremogone aculeata Prickly sandwort

native
Perennial herb

Eremogone cliftonii Clifton's eremogone

• rare native
Perennial herb

Arenaria congesta Ballhead Sandwort

native
Perennial herb

Arenaria congesta var. wheelerensis Ballhead Sandwort

native
Perennial herb

Eremogone congesta Ballhead Sandwort

native
Perennial herb

Eremogone congesta var. congesta Capitate sandwort

native
Perennial herb

Eremogone congesta var. crassula Rough sandwort

native
Perennial herb

Eremogone congesta var. simulans Capitate sandwort

native
Perennial herb

Eremogone congesta var. subcongesta Capitate sandwort

native
Perennial herb

Eremogone congesta var. suffrutescens Suffrutescent sandwort

native
Perennial herb

Eremogone ferrisiae

native
Perennial herb

Arenaria kingii King's sandwort

native
Perennial herb

Eremogone kingii King's sandwort

native
Perennial herb

Arenaria kingii var. glabrescens King's smooth sandwort

native
Perennial herb

Eremogone kingii var. glabrescens King's smooth sandwort

native
Perennial herb

Eremogone macradenia Mojave sandwort

native
Perennial herb

Eremogone macradenia var. arcuifolia Forest camp sandwort

native
Perennial herb

Eremogone macradenia var. macradenia Desert sandwort

native
Perennial herb

Eremogone ursina Big bear valley sandwort

• rare native
Perennial herb

Camissonia boothii Booth's sun cup

native
Annual herb

Eremothera boothii Booth's sun cup

native
Annual herb

Camissonia boothii var. alyssoides Pine creek evening-primrose

• rare native
Annual herb

Eremothera boothii ssp. alyssoides Pine creek evening-primrose

• rare native
Annual herb

Eremothera boothii ssp. boothii Booth's evening-primrose

• rare native
Annual herb

Camissonia boothii ssp. condensata Clustered booth's desert primrose

native
Annual herb

Eremothera boothii ssp. condensata Clustered booth's desert primrose

native
Annual herb

Camissonia boothii ssp. decorticans Shredding evening-primrose

native
Annual herb

Eremothera boothii ssp. decorticans Shredding evening-primrose

native
Annual herb

Eremothera boothii ssp. desertorum Booth's desert primrose, Desert suncup

native
Annual herb

Eremothera chamaenerioides Long fruit suncup

native
Annual herb

Camissonia minor Nelson's evening-primrose

• rare native
Annual herb

Camissonia refracta Narrow leaved primrose

native
Annual herb

$Camissonia refracta$
© 2020 Steve Matson

Eremothera refracta Narrow leaved primrose

native
Annual herb

$Eremothera refracta$
© 2020 Steve Matson

Eriastrum abramsii Abrams' eriastrum, Abrams' woollystar

native
Annual herb

Eriastrum brandegeeae Brandegee's eriastrum

• rare native
Annual herb

Eriastrum calocyanum pretty blue woolly star

native
Annual herb

Eriastrum densifolium Giant eriastrum, Giant woollystar, Perennial woodstar

native
Perennial herb

Eriastrum densifolium ssp. austromontanum Perennial vool star, Southern mountain eriastrum

native
Perennial herb

Eriastrum densifolium ssp. austromontanum

Eriastrum densifolium ssp. densifolium Giant eriastrum

native
Perennial herb

Eriastrum densifolium ssp. elongatum Giant eriastrum, Perennial wool star

native
Perennial herb

Eriastrum densifolium ssp. mohavense Mojave eriastrum, Perennial vool star

native
Perennial herb

Eriastrum densifolium ssp. sanctorum Santa ana river woollystar

• rare native
Perennial herb

Eriastrum diffusum Miniature wool star, Miniature eriastrum, Miniature woollystar

native
Annual herb

Eriastrum eremicum Desert woollystar

native
Annual herb

Eriastrum eremicum ssp. eremicum Desert eriastrum, Desert wool star, Desert woollystar

native
Annual herb

Eriastrum ertterae Lime ridge eriastrum

• rare native
Annual herb

Eriastrum filifolium Lavender eriastrum, Lavender woollystar

native
Annual herb

Eriastrum harwoodii Harwood's eriastrum

• rare native
Annual herb

Eriastrum hooveri Hoover's eriastrum, Hoover's woollystar

• rare native
Annual herb

Eriastrum luteum Yellow flowered eriastrum, Yellow woollystar

• rare native
Annual herb

Eriastrum pluriflorum Many flowered eriastrum, Tehachapi woollystar

native
Annual herb

Eriastrum pluriflorum ssp. pluriflorum Many-flowered eriastrum

native
Annual herb

Eriastrum pluriflorum ssp. sherman-hoytiae Mrs. Hoyt's woolly-star

native
Annual herb

Eriastrum pluriflorum ssp. sherman-hoytiae

Eriastrum rosamondense Rosamond eriastrum

• rare native
Annual herb

Eriastrum sapphirinum Sapphire eriastrum, Sapphire woollystar

native
Annual herb

Eriastrum sapphirinum ssp. brevibracteatum Sapphire woollystar

native
Annual herb

Eriastrum sapphirinum ssp. brevibracteatum

Eriastrum sapphirinum ssp. dasyanthum Sapphire woollystar

native
Annual herb

Eriastrum sapphirinum ssp. sapphirinum Sapphire woollystar

native
Annual herb

Eriastrum signatum Maroon-spotted Woollystar

native
Annual herb

Eriastrum sparsiflorum Few flowered vool star, Great basin eriastrum, Great basin woollystar

• rare native
Annual herb

Eriastrum tracyi Tracy's eriastrum

• rare native
Annual herb

Eriastrum virgatum Virgate eriastrum, Wand woollystar

• rare native
Annual herb

Eriastrum wilcoxii Wilcox's eriastrum, Wilcox's woollystar

native
Annual herb

Erica canaliculata Hairy grey heather

non-native
Shrub

Erica lusitanica Spanish heather

• invasive non-native
Shrub

Chrysothamnus albidus White flowered rabbitbrush

• rare native
Shrub

Ericameria albida White flowered rabbitbrush

• rare native
Shrub

Ericameria arborescens Golden fleece, Goldenfleece

native
Shrub

Ericameria bloomeri Bloomer's goldenbush, Goldenweed, Rabbitbush

native
Shrub

Ericameria brachylepis Boundary goldenbush, Chaparral goldenbush

native
Shrub

Ericameria cooperi Cooper's goldenbush

native
Shrub

Ericameria cooperi var. cooperi Cooper goldenbush, Cooper's goldenbush

native
Shrub

Ericameria cuneata Cliff goldenbush, Desert rock goldenbush, Wedgeleaf goldenbush

native
Shrub

Ericameria cuneata var. cuneata Cliff goldenbush, Rock goldenbush

native
Shrub

Ericameria cuneata var. macrocephala Cliff goldenbush, Laguna mtns. goldenbush

• rare native
Shrub

Ericameria cuneata var. spathulata Cliff goldenbush, Wide leaved rock goldenbush

native
Shrub

Ericameria discoidea Macronema goldenbush, Rayless goldenbush, Whitestem goldenbush

native
Shrub

Ericameria ericoides California goldenbush, Mock heather

native
Shrub

Ericameria fasciculata Eastwood's goldenbush

• rare native
Shrub

Ericameria gilmanii Gilman's goldenbush, Whiteflower goldenbush

• rare native
Shrub

Ericameria greenei Greene's goldenbush, Greene's goldenweed

native
Shrub

Ericameria laricifolia Turpentine brush, Turpentine bush

native
Shrub

Ericameria linearifolia Interior goldenbush, Linear leaved goldenbush, Narrowleaf goldenbush

native
Shrub

Ericameria nana Dwarf goldenbush, Rubberweed

• rare native
Shrub

Chrysothamnus nauseosus Rubber rabbitbrush

native
Shrub

Chrysothamnus nauseosus var. speciosa Rubber rabbitbrush

native
Shrub

Ericameria nauseosa Rubber rabbitbrush

native
Shrub

Ericameria nauseosa var. albicaulis Rubber rabbitbrush

native
Shrub

Ericameria nauseosa var. bigelovii Rubber rabbitbrush

native
Shrub

Ericameria nauseosa var. glabrata Rubber rabbitbrush

native
Shrub

Ericameria nauseosa var. graveolens Rubber rabbitbrush

native
Shrub

Ericameria nauseosa var. latisquamea Rubber rabbitbrush

native
Shrub

Ericameria nauseosa var. nauseosa Rubber rabbitbrush

native
Shrub

Ericameria nauseosa var. bernardina San bernardino rubber rabbitbrush

native
Shrub

Ericameria nauseosa var. ceruminosa Sharp bracted rabbitbrush

native
Shrub

Chrysothamnus nauseosus ssp. gnaphalodes Common rabbitbrush

native
Shrub

Chrysothamnus nauseosus ssp. gnaphalodes

Chrysothamnus nauseosus var. hololeucus Common rabbitbrush

native
Shrub

Ericameria nauseosa var. hololeuca Common rabbitbrush

native
Shrub

Ericameria nauseosa var. leiosperma Common rabbitbrush

native
Shrub

Ericameria nauseosa var. mohavensis Mojave rabbitbrush

native
Shrub

Chrysothamnus nauseosus ssp. consimilis Rubber rabbitbrush

native
Shrub

Ericameria nauseosa ssp. consimilis var. oreophila Rubber rabbitbrush

native
Shrub

Ericameria nauseosa ssp. consimilis var. oreophila

Ericameria nauseosa var. oreophila Rubber rabbitbrush

native
Shrub

Chrysothamnus nauseosus ssp. albicaulis Showy Rabbitbrush

native
Shrub

Ericameria nauseosa var. speciosa Showy Rabbitbrush

native
Shrub

Ericameria ophitidis Serpentine goldenbush, Serpentine macronema

• rare native
Shrub

Ericameria palmeri Palmer goldenweed, Palmer's goldenbush

native
Shrub

Ericameria palmeri var. pachylepis Broad scaled palmer's goldenbush, Palmer's rabbitbrush

native
Shrub

Ericameria palmeri var. palmeri Palmer goldenweed, Palmer's goldenbush, Palmer's rabbitbrush

• rare native
Shrub

Ericameria paniculata Mojave rabbitbrush, Black-banded rabbitbrush

native
Perennial herb

Ericameria parishii Parish's rabbitbrush

native
Shrub

Ericameria parishii var. parishii Parish goldenweed, Parish's goldenbush

native
Shrub

Chrysothamnus parryi ssp. parryi Parry's rabbitbrush

native
Shrub

Ericameria parryi Parry's rabbitbrush

native
Shrub

Ericameria parryi var. parryi Parry's rabbitbrush

native
Shrub

Ericameria parryi var. aspera Rough parry's rabbitbrush

native
Shrub

Ericameria parryi var. latior Parry's rabbitbrush

native
Shrub

Ericameria parryi var. monocephala Parry's rabbitbrush

native
Shrub

Ericameria parryi var. nevadensis Parry's rabbitbrush

native
Shrub

Ericameria parryi var. vulcanica Parry's rabbitbrush

native
Shrub

Ericameria pinifolia Pine bush, Pinebush

native
Shrub

Ericameria suffruticosa Alpine macronema, Heath goldenrod, Singlehead goldenbush

native
Shrub

Ericameria teretifolia Green rabbitbrush

native
Shrub

Erigeron aequifolius Hall's daisy, Hall's fleabane

• rare native
Perennial herb (rhizomatous)

Erigeron algidus Stalked fleabane

native
Perennial herb

Erigeron aliceae Alice eastwood's fleabane

native
Perennial herb

Erigeron annuus Annual fleabane, Eastern daisy fleabane

non-native
Annual herb

Erigeron annuus ssp. annuus Annual fleabane, Eastern daisy fleabane

non-native
Annual herb

Erigeron aphanactis Rayless shaggy fleabane

native
Perennial herb

Erigeron aphanactis var. aphanactis Rayless shaggy fleabane

native
Perennial herb

Erigeron aphanactis var. congestus Clustered fleabane, Rayless shaggy fleabane

native
Perennial herb

Erigeron argentatus Silver fleabane

native
Perennial herb

Erigeron barbellulatus Shining daisy, Shining fleabane

native
Perennial herb

Erigeron biolettii Biolett's erigeron, Streamside daisy

• rare native
Perennial herb

Erigeron blochmaniae Blochman's erigeron, Blochman's leafy daisy

• rare native
Perennial herb (rhizomatous)

Erigeron bloomeri Scabland fleabane

native
Perennial herb

Erigeron bloomeri var. bloomeri Scabland fleabane

native
Perennial herb

Erigeron bloomeri var. nudatus Scabland fleabane, Waldo daisy

• rare native
Perennial herb

Conyza bonariensis Flax-leaved horseweed

non-native
Annual herb

Erigeron bonariensis Flax-leaved horseweed

non-native
Annual herb

Erigeron breweri Brewer's fleabane

native
Perennial herb

Erigeron breweri var. breweri Brewer's daisy, Brewer's fleabane

native
Perennial herb

Erigeron breweri var. covillei Coville erigeron, Coville's erigeron, Coville's fleabane

native
Perennial herb

Erigeron breweri var. jacinteus Brewer's fleabane, San Jacinto Mountains daisy

• rare native
Perennial herb (rhizomatous)

Erigeron breweri var. porphyreticus Brewer's fleabane, Fleabane

native
Perennial herb

Conyza canadensis Canada horseweed

native
Annual herb

Conyza canadensis var. canadensis Canada horseweed

native
Annual herb

Erigeron canadensis Canada horseweed

native
Annual herb

Erigeron cervinus Siskiyou daisy, Siskiyou fleabane

• rare native
Perennial herb (rhizomatous)

Erigeron chrysopsidis Dwarf yellow fleabane

native
Perennial herb

Erigeron chrysopsidis var. austiniae Rebecca austin's fleabane

native
Perennial herb

Erigeron clokeyi Clokey's fleabane

native
Perennial herb

Erigeron clokeyi var. pinzliae Clokey's fleabane

native
Perennial herb

Erigeron compactus Fern leaved fleabane, Fernleaf fleabane

• rare native
Perennial herb

Erigeron compactus var. compactus Fern leaved fleabane, Fernleaf fleabane

• rare native
Perennial herb

Erigeron compositus Cut leaved daisy, Cutleaf daisy, Cut-leaf Fleabane

native
Perennial herb

Erigeron compositus var. glabratus Cut leaved daisy, Cutleaf daisy, Cut-leaf Fleabane

native
Perennial herb

Erigeron concinnus Navajo fleabane

native
Shrub (stem succulent)

Erigeron concinnus var. concinnus Navajo fleabane, Shaggy daisy, Tidy fleabane

native
Shrub (stem succulent)

Erigeron coulteri Coulter's daisy, Coulter's fleabane, Large mountain fleabane

native
Perennial herb

Erigeron divergens Diffuse daisy, Spreading fleabane

native
Biennial, Perennial herb

Erigeron eatonii Eaton's daisy

native
Perennial herb

Erigeron eatonii var. nevadincola Eaton's fleabane, Nevada daisy

• rare native
Perennial herb

Erigeron eatonii var. plantagineus Eaton's daisy, Eaton's fleabane

native
Perennial herb

Erigeron eatonii var. sonnei Eaton's fleabane, Sonne's daisy

native
Perennial herb

Erigeron elegantulus Blue dwarf fleabane, Volcanic daisy

• rare native
Perennial herb

Erigeron elmeri Elmer's erigeron

native
Perennial herb

Erigeron filifolius Threadleaf fleabane

native
Perennial herb

Erigeron flagellaris Trailing fleabane

native
Perennial herb

Erigeron foliosus Leafy daisy, Leafy fleabane

native
Perennial herb

Erigeron foliosus var. confinis Leafy fleabane

native
Perennial herb

Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane

native
Perennial herb, Shrub

Erigeron foliosus var. franciscensis Franciscan erigeron, San francisco leafy fleabane

native
Perennial herb

Erigeron foliosus var. hartwegii Hartweg's fleabane

native
Perennial herb

Erigeron foliosus var. mendocinus Mendocino erigeron, Mendocino fleabane

native
Perennial herb

Erigeron formosissimus Beautiful fleabane

non-native
Perennial herb

Erigeron formosissimus var. viscidus Beautiful fleabane

non-native
Perennial herb

Erigeron glacialis Wandering fleabane

native
Perennial herb

Erigeron peregrinus Wandering fleabane

native
Perennial herb

Erigeron glacialis var. glacialis Wandering fleabane

native
Perennial herb

Erigeron peregrinus var. callianthemus Wandering fleabane

native
Perennial herb

Erigeron glacialis var. hirsutus Wandering fleabane

native
Perennial herb

Erigeron peregrinus var. hirsutus Wandering fleabane

native
Perennial herb

Erigeron glaucus Seaside daisy, Seaside fleabane

native
Perennial herb

Erigeron greenei Greene's narrow-leaved daisy

• rare native
Perennial herb

Erigeron inornatus California rayless daisy, California rayless fleabane, Western Rayless Fleabane

native
Perennial herb

Erigeron inornatus var. calidipetris California rayless fleabane, Hot rock daisy

• rare native
Perennial herb

Erigeron inornatus var. inornatus California rayless daisy, California rayless fleabane, Fleabane

native
Perennial herb

Erigeron karvinskianus Fleabane, Latin american fleabane

• invasive non-native
Perennial herb

Erigeron klamathensis Klamath fleabane

native
Perennial herb

Erigeron lassenianus Mt. lassen fleabane

native
Perennial herb

Erigeron lassenianus var. deficiens Mt. lassen fleabane

• rare native
Perennial herb

Erigeron flexuosus Mt. lassen daisy, Mt. lassen fleabane

native
Perennial herb

Erigeron lassenianus var. lassenianus Mt. lassen daisy, Mt. lassen fleabane

native
Perennial herb

Erigeron linearis Desert yellow fleabane, Narrow leaved fleabane

native
Perennial herb

Erigeron lonchophyllus Shortray fleabane

native
Perennial herb

Trimorpha lonchophylla Shortray fleabane

native
Perennial herb

Erigeron maniopotamicus Mad river fleabane daisy

• rare native
Perennial herb

Erigeron miser Starved daisy, Starved fleabane

• rare native
Perennial herb

Erigeron multiceps Kern river daisy, Kern river fleabane

• rare native
Perennial herb

Erigeron neomexicanus New mexico fleabane

non-native
Annual herb

Erigeron nivalis Northern daisy

• rare native
Perennial herb

Erigeron parishii Parish fleabane, Parish's daisy, Parish's fleabane

• rare native
Perennial herb

Erigeron petrophilus Cliff fleabane, Rockloving erigeron, Rock-Loving Fleabane

native
Perennial herb

Erigeron petrophilus var. petrophilus Cliff fleabane, Rockloving erigeron

native
Perennial herb

Erigeron petrophilus var. sierrensis Northern sierra daisy, Sierra erigeron

• rare native
Perennial herb (rhizomatous)

Erigeron petrophilus var. viscidulus Klamath daisy, Rockloving erigeron

• rare native
Perennial herb (rhizomatous)

Erigeron philadelphicus Philadelphia fleabane

native
Perennial herb

Erigeron philadelphicus var. provancheri Philadelphia fleabane

native
Perennial herb

Erigeron philadelphicus var. provancheri

Erigeron philadelphicus var. philadelphicus Philadelphia fleabane

native
Perennial herb

Erigeron philadelphicus var. philadelphicus

Erigeron pumilus Shaggy fleabane

native
Perennial herb

Erigeron pumilus var. intermedius Shaggy fleabane

native
Perennial herb

Erigeron pygmaeus Pygmy fleabane

native
Perennial herb

Erigeron reductus Fleabane, Lesser california rayless fleabane, Rayless daisy

native
Perennial herb

Erigeron reductus var. angustatus Lesser california rayless fleabane, Narrow leaved rayless daisy, Pine erigeron

native
Perennial herb

Erigeron reductus var. reductus California rayless daisy, Lesser california rayless fleabane

native
Perennial herb

Erigeron sanctarum Saints' daisy, Saints' fleabane

• rare native
Perennial herb (rhizomatous)

Erigeron serpentinus Serpentine daisy, Serpentine erigeron

• rare native
Perennial herb

Erigeron strigosus Prairie fleabane

non-native
Annual, Perennial herb

Erigeron strigosus var. dolomitica Prairie fleabane

non-native
Annual, Perennial herb

Erigeron sumatrensis Tropical horseweed

non-native
Annual herb

Erigeron supplex Supple daisy, Supple fleabane

• rare native
Perennial herb

Erigeron tener Slender fleabane

native
Perennial herb

Erigeron uncialis var. uncialis Limestone daisy

• rare native
Perennial herb

Erigeron utahensis Utah fleabane

• rare native
Perennial herb

Erigeron utahensis var. utahensis Utah fleabane

• rare native
Perennial herb

Erigeron vagus Rambling fleabane

native
Perennial herb

Eriobotrya japonica Loquat

non-native
Tree

Eriochloa acuminata var. acuminata Taper tipped cupgrass, Tapertip cupgrass

native
Annual grass

Eriochloa aristata var. aristata Pointed cupgrass

native
Annual grass

Eriochloa contracta Dense cupgrass, Prairie cupgrass

non-native
Annual grass

Eriodictyon altissimum Indian knob mountainbalm

• rare native
Shrub

Eriodictyon angustifolium Narrow leaved yerba santa, Narrowleaf yerba santa

• rare native
Shrub

Eriodictyon californicum California yerba santa, Yerba santa

native
Shrub

Eriodictyon capitatum Lompoc yerba santa

• rare native
Shrub

Eriodictyon crassifolium Felt leaved yerba santa, Thick leaved yerba santa, Thickleaf yerba santa

native
Shrub

Eriodictyon crassifolium var. crassifolium Thick leaved yerba santa, Thickleaf yerba santa

native
Shrub

Eriodictyon crassifolium var. crassifolium

Eriodictyon crassifolium var. nigrescens Bicolored yerba santa, Thickleaf yerba santa

native
Shrub

Eriodictyon crassifolium var. nigrescens

Eriodictyon lobbii Matted yerba santa

native
Perennial herb

Eriodictyon parryi Poodle-dog bush

native
Perennial herb

Eriodictyon sessilifolium sessile-leaved yerba santa

• rare native
Perennial Herb

Eriodictyon tomentosum Woolly yerba santa

native
Shrub

Eriodictyon traskiae ssp. smithii Smith's yerba santa

native
Shrub

Eriodictyon traskiae ssp. traskiae Trask's yerba santa

native
Shrub

Eriodictyon trichocalyx Hairy yerba santa

native
Shrub

Eriodictyon trichocalyx var. lanatum Hairy yerba santa

native
Shrub

Eriodictyon trichocalyx var. trichocalyx Hairy yerba santa

native
Shrub

Eriodictyon trichocalyx var. trichocalyx

Eriogonum crosbyae Alexander's buckwheat

• rare native
Perennial herb

Eriogonum alpinum Trinity buckwheat

• rare native
Perennial herb (rhizomatous)

Eriogonum ampullaceum Mono buckwheat

native
Annual herb

Eriogonum angulosum Angled stem buckwheat, Anglestem buckwheat

native
Annual herb

Eriogonum apiculatum San Jacinto buckwheat

native
Annual herb

Eriogonum apricum Ione buckwheat

native
Perennial herb

Eriogonum apricum var. apricum Ione buckwheat

• rare native
Perennial herb

Eriogonum apricum var. prostratum Irish hill buckwheat

• rare native
Perennial herb

Eriogonum arborescens Santa cruz island buckwheat

native
Shrub

Eriogonum argillosum Clay buckwheat, Clay loving buckwheat

• rare native
Annual herb

Eriogonum baileyi Bailey buckwheat, Bailey's buckwheat

native
Annual herb

Eriogonum baileyi var. baileyi Bailey's buckwheat

native
Annual herb

Eriogonum baileyi var. praebens Bailey's buckwheat

• rare native
Annual herb

Eriogonum bifurcatum Forked buckwheat, Pahrump valley buckwheat

• rare native
Annual herb

Eriogonum brachyanthum Short flowered buckwheat, Shortflower buckwheat, Yellow buckwheat

native
Annual herb

Eriogonum brachypodum Parry's buckwheat

native
Annual herb

Eriogonum breedlovei var. breedlovei Breedlove's buckwheat, Piute buckwheat

• rare native
Perennial herb

Eriogonum breedlovei var. shevockii Needle's buckwheat, The needles buckwheat

• rare native
Perennial herb

Eriogonum butterworthianum Butterworth's buckwheat

• rare native
Perennial herb

Eriogonum caespitosum Clumping buckwheat, Matted buckwheat

native
Perennial herb

Eriogonum callistum Tehachapi buckwheat

• rare native
Perennial herb

Eriogonum cedrorum The cedars buckwheat

• rare native
Perennial herb

Eriogonum cernuum Nodding buckwheat

native
Annual herb

Eriogonum cernuum var. cernuum Nodding buckwheat

native
Annual herb

Eriogonum cernuum var. viminale Nodding buckwheat

native
Annual herb

Eriogonum cinereum Ashyleaf buckwheat, Coastal buckwheat, Grey coast eriogonum

native
Shrub

Eriogonum cithariforme Cithara buckwheat

native
Annual herb

Eriogonum cithariforme var. agninum Cithara buckwheat

native
Annual herb

Eriogonum clavatum Hoover's buckwheat

native
Annual herb

Eriogonum collinum Hill buckwheat

• rare native
Annual herb

Eriogonum compositum Arrowleaf buckwheat

native
Perennial herb

Eriogonum compositum var. compositum Arrow leaf buckwheat, Arrowleaf buckwheat, Arrow-Leaf Wild Buckwheat

native
Perennial herb

Eriogonum congdonii Congdon's buckwheat

• rare native
Shrub

Eriogonum contiguum Reveal's buckwheat

• rare native
Annual herb

Eriogonum inflatum Reveal's buckwheat

• rare native
Annual herb

Eriogonum inflatum var. inflatum Reveal's buckwheat

• rare native
Annual herb

Eriogonum corymbosum Crispleaf buckwheat

non-native
Perennial herb

Eriogonum covilleanum Coville's buckwheat

native
Annual herb

Eriogonum crocatum Conejo buckwheat

• rare native
Perennial herb

Eriogonum dasyanthemum Chaparral buckwheat

native
Annual herb

Eriogonum davidsonii Davidson buckwheat, Davidson's buckwheat

native
Annual herb

Eriogonum deflexum Flat topped buckwheat, Flatcrown buckwheat, Skeleton weed

native
Annual herb

Eriogonum deflexum var. baratum Flat topped buckwheat, Flatcrown buckwheat, Tall skeleton weed

native
Annual herb

Eriogonum deflexum var. deflexum Flat topped buckwheat, Flatcrown buckwheat

native
Annual herb

Eriogonum deflexum var. nevadense Flat topped buckwheat, Nevada buckwheat

native
Annual herb

Eriogonum deserticola Colorado desert buckwheat

native
Shrub

Eriogonum diclinum Jaynes canyon buckwheat

• rare native
Perennial herb

Eriogonum douglasii var. douglasii Douglas' buckwheat

native
Perennial herb

Eriogonum douglasii Douglas' buckwheat

native
Perennial herb

Eriogonum douglasii var. meridionale Douglas' buckwheat

native
Perennial herb

Eriogonum eastwoodianum Eastwood's buckwheat

• rare native
Annual herb

Eriogonum elatum Tall buckwheat, Tall woolly buckwheat

native
Perennial herb

Eriogonum elatum var. elatum Tall buckwheat, Tall woolly buckwheat

native
Perennial herb

Eriogonum elatum var. villosum Long hairy tall buckwheat, Tall woolly buckwheat

native
Perennial herb

Eriogonum elegans Elegant buckwheat

• rare native
Annual herb

Eriogonum elongatum Longstem buckwheat

native
Perennial herb

Eriogonum elongatum var. elongatum Long stemmed buckwheat

native
Perennial herb

Eriogonum eremicola Telescope peak buckwheat, Wildrose canyon buckwheat

• rare native
Annual herb

Eriogonum esmeraldense var. esmeraldense Esmeralda buckwheat

native
Annual herb

Eriogonum esmeraldense var. esmeraldense

Eriogonum evanidum Vanishing wild buckwheat

• rare native
Annual herb

Eriogonum fasciculatum California buckwheat, Eastern mojave buckwheat

native
Shrub

Eriogonum fasciculatum var. fasciculatum California buckwheat, Eastern mojave buckwheat

native
Shrub

Eriogonum fasciculatum var. fasciculatum

Eriogonum fasciculatum var. flavoviride California buckwheat, Eastern mojave buckwheat

native
Shrub

Eriogonum fasciculatum var. foliolosum California buckwheat, Eastern mojave buckwheat, Red topped buckwheat

native
Shrub

Eriogonum fasciculatum var. polifolium California buckwheat, Eastern mojave buckwheat

native
Shrub

Eriogonum giganteum St. Catherine's lace

native
Shrub

Eriogonum giganteum var. compactum Santa barbara island buckwheat

• rare native
Shrub

Eriogonum giganteum var. formosum San clemente island buckwheat

• rare native
Shrub

Eriogonum giganteum var. giganteum Santa catalina island buckwheat, St. catherine's lace

• rare native
Shrub

Eriogonum gilmanii Gilman's buckwheat

• rare native
Perennial herb

Eriogonum glandulosum Acorn buckwheat, Glandular buckwheat

native
Annual herb

Eriogonum gossypinum Cottony buckwheat

• rare native
Annual herb

Eriogonum gracile Slender buckwheat, Slender woolly buckwheat

native
Annual herb

Eriogonum gracile var. gracile Slender buckwheat, Slender woolly buckwheat

native
Annual herb

Eriogonum gracilipes White mountain buckwheat, White mountains buckwheat

native
Perennial herb

Eriogonum gracillimum Rose and white buckwheat, Slender stemmed buckwheat

native
Annual herb

Eriogonum grande var. grande Island buckwheat, Redflower buckwheat

• rare native
Perennial herb

Eriogonum grande var. rubescens Red flowered buckwheat, Redflower buckwheat

• rare native
Perennial herb

Eriogonum grande var. timorum San nicolas island buckwheat

• rare native
Perennial herb

Eriogonum heermannii Heerman buckwheat, Heermann's buckwheat

native
Shrub

Eriogonum heermannii var. clokeyi Heerman buckwheat, Heermann's buckwheat

native
Shrub

Eriogonum heermannii var. argense Heermann's buckwheat

native
Shrub

Eriogonum heermannii var. floccosum Clark mountain buckwheat, Clark mtn. buckwheat

• rare native
Shrub

Eriogonum heermannii var. heermannii Heermann's buckwheat

native
Shrub

Eriogonum heermannii var. humilius Heermann's buckwheat

native
Shrub

Eriogonum heermannii var. occidentale Western heermann's buckwheat

• rare native
Shrub

Eriogonum heermannii var. sulcatum Heermann's buckwheat

native
Shrub

Eriogonum heracleoides var. heracleoides Parsnip flowered buckwheat, Parsnipflower buckwheat

• rare native
Perennial herb

Eriogonum heracleoides var. heracleoides

Eriogonum hirtellum Klamath mountain buckwheat, Klamath mtn. buckwheat

• rare native
Perennial herb (rhizomatous)

Eriogonum hirtiflorum Hairy flowered buckwheat, Hairyflower buckwheat

native
Annual herb

Eriogonum hoffmannii var. hoffmannii Hoffmann's buckwheat

• rare native
Annual herb

Eriogonum hoffmannii var. robustius Robust hoffmann's buckwheat

• rare native
Annual herb

Eriogonum hookeri Hooker's buckwheat

native
Annual herb

Eriogonum incanum Frosted buckwheat

native
Perennial herb

Eriogonum inerme Unarmed buckwheat

native
Annual herb

Eriogonum intrafractum Jointed buckwheat, Napkinring

• rare native
Perennial herb

$Eriogonum intrafractum$
© 2020 Matt Berger

Eriogonum kelloggii Kellogg's buckwheat, Red mountain buckwheat

• rare native
Perennial herb

Eriogonum kennedyi Kennedy's buckwheat

native
Perennial herb

Eriogonum kennedyi var. alpigenum Southern alpine buckwheat

• rare native
Perennial herb

Eriogonum kennedyi var. austromontanum Southern mountain buckwheat

• rare native
Perennial herb

Eriogonum kennedyi var. kennedyi Kennedy's buckwheat

native
Perennial herb

Eriogonum kennedyi var. pinicola Kern buckwheat

• rare native
Perennial herb

Eriogonum kennedyi var. purpusii Purpus' buckwheat

native
Perennial herb

Eriogonum latens Inyo buckwheat

native
Perennial herb

Eriogonum latifolium Coast buckwheat, Coast eriogonum, Seaside buckwheat

native
Perennial herb

Eriogonum libertini Dubakella mountain buckwheat, Dubakella mtn. buckwheat, Hoffman buckwheat

• rare native
Perennial herb

Eriogonum lobbii Lobb's buckwheat, Lobb's Wild Buckwheat

native
Perennial herb

Eriogonum lobbii var. lobbii Lobb's buckwheat, Lobb's Wild Buckwheat

native
Perennial herb

Eriogonum luteolum Golden buckwheat, Goldencarpet buckwheat, Wicker buckwheat

native
Annual herb

Eriogonum luteolum var. caninum Tiburon buckwheat

• rare native
Annual herb

Eriogonum luteolum var. luteolum Golden buckwheat, Goldencarpet buckwheat

native
Annual herb

Eriogonum luteolum var. pedunculatum Goldencarpet buckwheat

native
Annual herb

Eriogonum maculatum Angle stermed buckwheat, Spotted buckwheat

native
Annual herb

Eriogonum marifolium Marum leaved buckwheat, Marumleaf buckwheat

native
Shrub

Eriogonum marifolium var. cupulatum Marum leaved buckwheat

native
Shrub

Eriogonum marifolium var. marifolium Marum leaved buckwheat

native
Shrub

Eriogonum mensicola Crescent buckwheat

• rare native
Perennial herb, Shrub

Eriogonum microthecum Slender buckwheat

native
Perennial herb

Eriogonum microthecum var. laxiflorus Slender buckwheat

native
Perennial herb

Eriogonum microthecum var. ambiguum Yellow-flowered wild buckwheat

native
Perennial herb

Eriogonum microthecum var. laxiflorum Great basin wild buckwheat

native
Perennial herb

Eriogonum microthecum var. simpsonii Simpson's wild buckwheat

native
Perennial herb

Eriogonum microthecum var. alpinum Alpine slender buckwheat

• rare native
Shrub

Eriogonum microthecum var. corymbosoides San bernardino buckwheat

native
Shrub

Eriogonum microthecum var. corymbosoides

Eriogonum microthecum var. johnstonii Johnston's buckwheat

• rare native
Shrub

Eriogonum microthecum var. lacus-ursi Bear lake buckwheat

• rare native
Shrub

Eriogonum microthecum var. lapidicola Inyo mtns. buckwheat, Slender buckwheat

• rare native
Shrub

Eriogonum microthecum var. panamintense Panamint buckwheat, Panamint mtns. buckwheat

• rare native
Shrub

Eriogonum mohavense Western mojave buckwheat

native
Annual herb

Eriogonum molestum Pineland buckwheat

native
Annual herb

Eriogonum nervulosum Snow Mountain buckwheat

• rare native
Perennial herb (rhizomatous)

Eriogonum ursinum var. nervulosum Snow Mountain buckwheat

• rare native
Perennial herb (rhizomatous)

Eriogonum nidularium Birdnest buckwheat, Whisk broom

native
Annual herb

Eriogonum nortonii Pinnacles buckwheat

• rare native
Annual herb

Eriogonum nudum Naked buckwheat, Nude buckwheat

native
Shrub

Eriogonum nudum var. deductum; Naked buckwheat, Nude buckwheat

native
Shrub

Eriogonum nudum var. auriculatum Naked buckwheat, Nude buckwheat

native
Shrub

Eriogonum nudum var. decurrens Ben lomond buckwheat, Benlomond buckwheat

• rare native
Perennial herb

Eriogonum nudum var. deductum Naked buckwheat

native
Shrub

Eriogonum nudum var. indictum Naked buckwheat, Protruding buckwheat

• rare native
Perennial herb

Eriogonum nudum var. murinum Mouse buckwheat

• rare native
Perennial herb

Eriogonum nudum var. nudum Naked buckwheat, Naked Wild Buckwheat, Nude buckwheat

native
Shrub

Eriogonum nudum var. oblongifolium Naked buckwheat, Oblong leaved buckwheat

native
Shrub

Eriogonum nudum var. paralinum Del norte buckwheat

• rare native
Perennial herb

Eriogonum nudum var. pauciflorum Few flowered buckwheat, Long trumpet, Naked buckwheat

native
Shrub

Eriogonum nudum var. psychicola Antioch dunes buckwheat

• rare native
Perennial herb

Eriogonum nudum var. pubiflorum Hairy flowered buckwheat, Naked buckwheat, Fremont's Wild Buckwheat

native
Annual herb

Eriogonum nudum var. regirivum Kings river buckwheat

• rare native
Perennial herb

Eriogonum nudum var. scapigerum Naked buckwheat

native
Shrub

Eriogonum nudum var. westonii Weston's buckwheat

native
Shrub

Eriogonum nummulare Money buckwheat, Round leaf buckwheat

native
Shrub

Eriogonum nutans var. nutans Dugway buckwheat, Nodding buckwheat

• rare native
Annual herb

Eriogonum ochrocephalum White woolly buckwheat, Whitewoolly buckwheat

native
Perennial herb

Eriogonum ochrocephalum var. alexandrae White woolly buckwheat, Whitewoolly buckwheat

native
Perennial herb

Eriogonum ochrocephalum var. ochrocephalum White woolly buckwheat, Whitewoolly buckwheat

• rare native
Perennial herb

Eriogonum ochrocephalum var. ochrocephalum

Eriogonum ordii Fort mojave buckwheat

native
Annual herb

Eriogonum ovalifolium Cushion buckwheat, Oval leaved eriogonum

native
Perennial herb

Eriogonum ovalifolium var. rubdum Cushion buckwheat, Oval leaved eriogonum

native
Perennial herb

Eriogonum ovalifolium var. rubidum Cushion buckwheat, Oval leaved eriogonum

native
Perennial herb

Eriogonum ovalifolium var. williamsiae Cushion buckwheat, Oval leaved eriogonum

native
Perennial herb

Eriogonum ovalifolium var. depressum Cushion buckwheat

• rare native
Perennial herb

Eriogonum ovalifolium var. eximium Brown margined buckwheat, Brownmargin buckwheat, Cushion buckwheat

• rare native
Perennial herb

Eriogonum ovalifolium var. monarchense Monarch buckwheat

• rare native
Perennial herb

Eriogonum ovalifolium var. nivale Cushion buckwheat

native
Perennial herb

Eriogonum ovalifolium var. ovalifolium Cushion buckwheat

native
Perennial herb

Eriogonum ovalifolium var. purpureum Purple cushion buckwheat

native
Perennial herb

Eriogonum ovalifolium var. vineum Cushenbury buckwheat

• rare native
Perennial herb

Eriogonum palmerianum Palmer's buckwheat

native
Annual herb

Eriogonum panamintense Panamint mountain buckwheat

native
Perennial herb, Shrub

Eriogonum racemosum Panamint mountain buckwheat

native
Perennial herb, Shrub

Eriogonum parishii Mountainmist, Parish's buckwheat

native
Annual herb

Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat

native
Shrub

Eriogonum pendulum Waldo buckwheat

• rare native
Perennial herb

Eriogonum plumatella Flat topped buckwheat, Yucca buckwheat

native
Shrub

Eriogonum polypodum Foxtail buckwheat, Tulare county buckwheat

• rare native
Perennial herb

Eriogonum prattenianum Nevada city buckwheat, Pratten's buckwheat

native
Perennial herb

Eriogonum prattenianum var. avium Kettle dome buckwheat, Nevada city buckwheat

• rare native
Perennial herb

Eriogonum prattenianum var. prattenianum Nevada city buckwheat, Pratten's buckwheat

native
Perennial herb

Eriogonum prattenianum var. prattenianum

Eriogonum prociduum Prostrate buckwheat

• rare native
Perennial herb

Eriogonum pusillum Yellow turbans, Yellowturbans

native
Annual herb

Eriogonum pyrolifolium Shasta buckwheat

native
Perennial herb, Shrub

Eriogonum pyrolifolium var. coryphaeum Shasta buckwheat

native
Perennial herb, Shrub

Eriogonum pyrolifolium var. pyrolifolium Pumice buckwheat, Shasta buckwheat, Wintergreen leaved buckwheat

• rare native
Perennial herb, Shrub

Eriogonum pyrolifolium var. pyrolifolium

Eriogonum reniforme Kidney leaf buckwheat, Kidney leaved buckwheat, Kidneyleaf buckwheat

native
Annual herb

Eriogonum rixfordii Pagoda buckwheat, Rixford's buckwheat

native
Annual herb

Eriogonum anemophilum Mt. rose buckwheat, Rosy buckwheat

native
Perennial herb

Eriogonum rosense Mt. rose buckwheat, Rosy buckwheat

native
Perennial herb

Eriogonum beatleyae Rosy buckwheat

native
Perennial herb

Eriogonum rosense var. rosense Rosy buckwheat

native
Perennial herb

Eriogonum roseum Wand buckwheat

native
Annual herb

Eriogonum rupinum Wyman creek buckwheat

native
Perennial herb, Shrub

Eriogonum saxatile Hoary buckwheat, Rock buckwheat, Rock eriogonum

native
Perennial herb

Eriogonum shockleyi Shockley's buckwheat

native
Perennial herb

Eriogonum shockleyi var. shockleyi Shockley's buckwheat

• rare native
Perennial herb

Eriogonum siskiyouense Siskiyou buckwheat

• rare native
Perennial herb

Eriogonum spectabile Barron's buckwheat

• rare native
Shrub

Eriogonum spergulinum Spurry buckwheat, Wild buckwheat

native
Annual herb

Eriogonum spergulinum var. pratense Spurry buckwheat

• rare native
Annual herb

Eriogonum spergulinum var. reddingianum Redding buckwheat, Spurry buckwheat, Redding's Wild Buckwheat

native
Annual herb

Eriogonum spergulinum var. spergulinum Spurry buckwheat

native
Annual herb

Eriogonum sphaerocephalum Rock buckwheat, Round headed buckwheat

native
Perennial herb

Eriogonum sphaerocephalum var. halimoides Rock buckwheat, Round headed buckwheat

native
Perennial herb

Eriogonum sphaerocephalum var. halimoides

Eriogonum sphaerocephalum var. halimioides Rock buckwheat, Round headed buckwheat

native
Perennial herb

Eriogonum sphaerocephalum var. halimioides

Eriogonum sphaerocephalum var. sphaerocephalum Rock buckwheat, Round headed buckwheat

native
Perennial herb

Eriogonum sphaerocephalum var. sphaerocephalum

Eriogonum niveum Blue mountain buckwheat

native
Perennial herb

Eriogonum strictum Blue mountain buckwheat

native
Perennial herb

Eriogonum strictum ssp. proliferum var. anserinum Blue mountain buckwheat

native
Perennial herb

Eriogonum strictum ssp. proliferum var. anserinum

Eriogonum strictum var. anserinum Blue mountain buckwheat

native
Perennial herb

Eriogonum strictum var. greenei Greene's buckwheat

• rare native
Perennial herb

Eriogonum strictum var. proliferum Blue mountain buckwheat, Blue mountain eriogonum, Proliferous Wild Buckwheat

native
Perennial herb

Eriogonum temblorense Temblor buckwheat

• rare native
Annual herb

Eriogonum ternatum Ternate buckwheat

• rare native
Perennial herb

Eriogonum thomasii Thomas eriogonum, Thomas' buckwheat

native
Annual herb

Eriogonum thornei Thorne's buckwheat

• rare native
Perennial herb

Eriogonum thurberi Thurber eriogonum, Thurber's buckwheat

native
Annual herb

Eriogonum trichopes Little desert buckwheat, Little deserttrumpet, Little trumpet

native
Annual herb

Eriogonum tripodum Tripod buckwheat

• rare native
Shrub

Eriogonum truncatum Mt. Diablo buckwheat

• rare native
Annual herb

Eriogonum twisselmannii Twisselmann's buckwheat

• rare native
Perennial herb

Eriogonum umbellatum Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum ssp. majus Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. ellipticum Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. hausknechtii Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. majus Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. ahartii Ahart's buckwheat

• rare native
Perennial herb

Eriogonum umbellatum var. argus Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. bahiiforme Sulphur buckwheat, Sulphur flower buckwheat

• rare native
Perennial herb

Eriogonum umbellatum var. chlorothamnus Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. dichrocephalum Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. dichrocephalum

Eriogonum umbellatum var. dumosum Many flowered sulfur flower

native
Perennial herb

Eriogonum umbellatum var. furcosum Desert sulfur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. glaberrimum Green buckwheat

• rare native
Perennial herb

Eriogonum umbellatum var. goodmanii Goodman's buckwheat, Serpentine sulphur buckwheat

native
Perennial herb

Eriogonum umbellatum var. humistratum Mt. Eddy buckwheat

• rare native
Perennial herb

Eriogonum umbellatum var. lautum Scott valley buckwheat

• rare native
Perennial herb

Eriogonum umbellatum var. minus Alpine sulfur flowered buckwheat, Alpine sulphur flower buckwheat

• rare native
Perennial herb

Eriogonum umbellatum var. modocense Sulphur flower buckwheat, Modoc Sulphur Flower

native
Perennial herb

Eriogonum umbellatum var. munzii Munz's buckwheat

native
Perennial herb

Eriogonum umbellatum var. nelsoniorum Sulphur buckwheat

native
Perennial herb

Eriogonum umbellatum var. nevadense Nevada buckwheat, Sierra sulfur flower, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. umbellatum Nevada buckwheat, Sierra sulfur flower, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. polyanthum Many flowered buckwheat, Sulfur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. smallianum Sulphur buckwheat

native
Perennial herb

Eriogonum umbellatum var. speciosum Showy sulfur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. subaridum Desert sulfur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. torreyanum Donner pass buckwheat

• rare native
Perennial herb

Eriogonum umbellatum var. versicolor Sulphur flower buckwheat, Sulphur flowered buckwheat

native
Perennial herb

Eriogonum ursinum Bear buckwheat, Bear valley buckwheat

native
Perennial herb

Eriogonum ursinum var. erubescens Blushing wild buckwheat

• rare native
Perennial herb

Eriogonum ursinum var. ursinum Bear buckwheat

native
Perennial herb

Eriogonum vestitum Idria buckwheat

• rare native
Annual herb

Eriogonum vimineum Wicker buckwheat, Wicker stemmed eriogonum, Wickerstem buckwheat

native
Annual herb

Eriogonum viridescens Bright green buckwheat, Twotooth buckwheat

native
Annual herb

Eriogonum wrightii Bastardsage, Wright's buckwheat

native
Perennial herb, Shrub

Eriogonum wrightii var. membranaceum Bastardsage, Wright s buckwheat, Wright's buckwheat

native
Perennial herb, Shrub

Eriogonum wrightii var. nodosum Bastardsage, Wright s buckwheat, Wright's buckwheat

native
Perennial herb, Shrub

Eriogonum wrightii var. subscaposum Bastardsage, Wright's buckwheat

native
Perennial herb, Shrub

Eriogonum wrightii var. trachygonum Bastardsage, Wright s buckwheat, Wright's buckwheat

native
Perennial herb, Shrub

Eriogonum wrightii var. wrightii Bastardsage, Wright's buckwheat

native
Perennial herb, Shrub

Erioneuron pilosum Hairy erioneuron, Hairy woollygrass

• rare native
Perennial grass

Eriophorum angustifolium Tall cottongrass

non-native
Perennial grasslike herb

Eriophorum gracile Cottongrass, Slender cotton grass, Slender cottongrass

• rare native
Perennial grasslike herb

Eriophorum gracile var. caurianum Cottongrass, Slender cotton grass, Slender cottongrass

• rare native
Perennial grasslike herb

Eriophyllum ambiguum Annual woolly sunflower, Beautiful woolly sunflower

native
Annual herb

Eriophyllum ambiguum var. ambiguum Annual woolly sunflower, Beautiful woolly sunflower

native
Annual herb

Eriophyllum ambiguum var. paleaceum Annual woolly sunflower, Beautiful woolly sunflower

native
Annual herb

Eriophyllum confertiflorum Golden yarrow, Yellow yarrow

native
Shrub

Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow

native
Shrub

Eriophyllum confertiflorum var. confertiflorum

Eriophyllum confertiflorum var. tanacetiflorum Golden yarrow, Tansy yarrow

• rare native
Shrub

Eriophyllum confertiflorum var. tanacetiflorum

Eriophyllum congdonii Congdon's eriophyllum, Congdon's woolly sunflower

• rare native
Annual herb

Eriophyllum jepsonii Jepson eriophyllum, Jepson's woolly sunflower

• rare native
Perennial herb

Eriophyllum lanatum Common woolly sunflower, Common woollysunflower, Wooly sunflower

native
Perennial herb

Eriophyllum lanatum var. leucophyllum Common woolly sunflower, Common woollysunflower, Wooly sunflower

native
Perennial herb

Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower

native
Perennial herb

Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower

native
Perennial herb

Eriophyllum lanatum var. arachnoideum Common woolly sunflower, Spiderweb sunflower, Wooly sunflower

native
Perennial herb

Eriophyllum lanatum var. croceum Common woolly sunflower, Sierra woolly sunflower

native
Perennial herb

Eriophyllum lanatum var. grandiflorum Common woolly sunflower, Large flowered woolly sunflower

native
Perennial herb

Eriophyllum lanatum var. hallii Fort tejon woolly sunflower, Hall's woolly sunflower

• rare native
Perennial herb

Eriophyllum lanatum var. integrifolium Common woolly sunflower, Oregon sunshine

native
Perennial herb

Eriophyllum lanatum var. lanceolatum Common woolly sunflower, Lance leaved woolly sunflower

native
Perennial herb

Eriophyllum lanatum var. obovatum Common woolly sunflower, Southern sierra woolly sunflower

• rare native
Perennial herb

Antheropeas lanosum White easter bonnets

native
Annual herb

Eriophyllum lanosum White easter bonnets

native
Annual herb

Eriophyllum latilobum San mateo woolly sunflower

• rare native
Perennial herb

Eriophyllum mohavense Barstow woolly sunflower, Mojave woolly sunflower

• rare native
Annual herb

Eriophyllum multicaule Branched woolly sunflower, Many stemmed eriophyllum, Manystem woolly sunflower

native
Annual herb

Eriophyllum nubigenum Yosemite eriophyllum, Yosemite woolly sunflower

• rare native
Annual herb

Eriophyllum pringlei Pringle eriophyllum, Pringle's woolly sunflower

native
Annual herb

Eriophyllum staechadifolium Lizard tail, Seaside golden yarrow, Seaside woolly sunflower

native
Perennial herb

Antheropeas wallacei Wallace eriophyllum, Wallace's woolly daisy

native
Annual herb

Eriophyllum wallacei Wallace eriophyllum, Wallace's woolly daisy

native
Annual herb

Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree

non-native
Annual herb

Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill

• invasive non-native
Annual herb

Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill

• invasive non-native
Annual herb

Erodium malacoides Mediterranean filaree, Mediterranean stork's bill

non-native
Annual herb

Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree

• invasive non-native
Annual herb

Erodium texanum Desert heron's bill, Texas filaree, Texas stork's bill

native
Annual herb

Eruca vesicaria Rocketsalad

non-native
Annual, Biennial herb

Eruca vesicaria ssp. sativa Garden rocket, Rocketsalad

non-native
Annual, Biennial herb

Erucastrum gallicum Common dogmustard

non-native
Annual herb

Eryngium alismifolium Alisma leaved coyote thistle, Coyote thistle, Modoc eryngo

native
Perennial herb

Eryngium aristulatum California eryngo, Jepson's button celery

native
Perennial herb

Eryngium aristulatum var. aristulatum California eryngo, Jepson's button celery

native
Perennial herb

Eryngium aristulatum var. hooveri Hoover's button celery, Hoover's eryngo

• rare native
Annual, Perennial herb

Eryngium aristulatum var. parishii Parish's eryngo, San diego button celery

• rare native
Annual, Perennial herb

Eryngium armatum Coastal eryngo, Coyote thistle, Prickly coyote thistle

native
Perennial herb

Eryngium articulatum Beethistle, Coyote thistle

native
Perennial herb

Eryngium castrense Great valley button celery, Great valley eryngo

native
Perennial herb

Eryngium constancei Loch lomond button celery, Loch lomond eryngo

• rare native
Annual, Perennial herb

Eryngium jepsonii Jepson's eryngo

• rare native
Perennial herb

Eryngium mathiasiae Mathias' button celery, Mathias' eryngo

native
Perennial herb

Eryngium pendletonense Pendleton button-celery

• rare native
Perennial herb

Eryngium pinnatisectum Tuolumne button celery, Tuolumne eryngo

• rare native
Annual, Perennial herb

Eryngium racemosum Delta button celery, Delta eryngo

• rare native
Annual, Perennial herb

Eryngium spinosepalum Spiny sepaled button celery, Spinysepal eryngo

• rare native
Annual, Perennial herb

Eryngium vaseyi Coyote thistle, Coyotethistle

native
Perennial herb

Erysimum ammophilum Coast wallflower

• rare native
Perennial herb

Erysimum asperum Sanddune wallflower, Western wallflower

native
Perennial herb

Erysimum capitatum Sanddune wallflower, Western wallflower

native
Perennial herb

Erysimum capitatum ssp. perenne Sanddune wallflower, Western wallflower

native
Perennial herb

Erysimum capitatum var. capitatum Sanddune wallflower

native
Perennial herb

Erysimum capitatum var. purshii Pursh's wallflower

native
Perennial herb

Erysimum nivale Pursh's wallflower

native
Perennial herb

Erysimum cheiranthoides Wormseed mustard, Wormseed wallflower

non-native
Annual herb

Erysimum cheiri Aegean wallflower, Common wallflower

non-native
Perennial herb

Erysimum concinnum Headland wallflower

• rare native
Perennial herb

Erysimum menziesii ssp. concinnum Headland wallflower

• rare native
Perennial herb

Erysimum franciscanum Franciscan wallflower, San francisco wallflower

• rare native
Perennial herb

Erysimum insulare Island wallflower

• rare native
Perennial herb

Erysimum menziesii Menzies' wallflower

• rare native
Perennial herb

Erysimum menziesii ssp. eurekense Menzies' wallflower

• rare native
Perennial herb

Erysimum menziesii ssp. yadonii Menzies' wallflower

• rare native
Perennial herb

Erysimum perenne Sanddune wallflower

native
Perennial herb

Erysimum repandum Spreading wallflower, Treaclemustard

non-native
Annual herb

Erysimum suffrutescens Suffrutescent wallflower

• rare native
Perennial herb

Erysimum teretifolium Santa cruz wallflower

• rare native
Annual, Perennial herb

Mimulus alsinoides Chickweed monkeyflower

native
Annual herb

Mimulus androsaceus Androsace monkeyflower

native
Annual herb

Erythranthe bicolor Yellow and white monkeyflower

native
Annual herb

Mimulus bicolor Yellow and white monkeyflower

native
Annual herb

Mimulus breviflorus Short flowered monkeyflower

native
Annual herb

Erythranthe breweri Brewer's monkeyflower

native
Annual herb

Mimulus breweri Brewer's monkeyflower

native
Annual herb

Erythranthe calcicola Limestone monkeyflower

• rare native
Annual herb

Erythranthe cardinalis Cardinal monkey flower

native
Perennial herb

Mimulus cardinalis Cardinal monkey flower

native
Perennial herb

Erythranthe carsonensis Carson valley monkeyflower

• rare native
Annual herb

Mimulus dentatus Tooth leaved monkeyflower

native
Perennial herb

Mimulus exiguus San Bernardino Mountains monkeyflower

• rare native
Annual herb

Mimulus filicaulis slender-stemmed monkeyflower

• rare native
Annual herb

Mimulus filicifolius fern-leaved monkeyflower

• rare native
Annual herb

Erythranthe floribunda Many flowered monkeyflower

native
Annual herb

Mimulus floribundus Many flowered monkeyflower

native
Annual herb

Mimulus floribundus var. dudleyi Many flowered monkeyflower

native
Annual herb

Erythranthe glaucescens shield-bracted monkeyflower

• rare native
Annual herb

Mimulus glaucescens shield-bracted monkeyflower

• rare native
Annual herb

Mimulus gracilipes slender-stalked monkeyflower

• rare native
Annual herb

Erythranthe guttata Seep monkey flower, Yellow monkey flower

native
Annual, Perennial herb (rhizomatous)

Mimulus guttatus Seep monkey flower, Yellow monkey flower

native
Annual, Perennial herb (rhizomatous)

Erythranthe hardhamiae Santa lucia monkeyflower

• rare native
Annual herb

Erythranthe inconspicua small-flowered monkeyflower

• rare native
Annual herb

Mimulus inconspicuus small-flowered monkeyflower

• rare native
Annual herb

Mimulus evanescens ephemeral monkeyflower

• rare native
Annual herb

Erythranthe laciniata cut-leaved monkeyflower

• rare native
Annual herb

Mimulus laciniatus cut-leaved monkeyflower

• rare native
Annual herb

Mimulus latidens Broad toothed monkeyflower

native
Annual herb

Erythranthe lewisii Lewis' monkey flower

native
Perennial herb

Mimulus lewisii Lewis' monkey flower

native
Perennial herb

Erythranthe linearifolia Primrose monkeyflower

native
Perennial herb

Mimulus primuloides var. linearifolius Primrose monkeyflower

native
Perennial herb

Erythranthe marmorata Stanislaus monkeyflower

• rare native
Annual herb

Erythranthe microphylla Small leaved monkeyflower

• rare native
Annual herb

Mimulus montioides Montia like monkeyflower

native
Annual herb

Erythranthe inodora Musk monkeyflower

native
Perennial herb

Mimulus moschatus Musk monkeyflower

native
Perennial herb

Mimulus norrisii Kaweah monkeyflower

• rare native
Annual herb

Mimulus nudatus bare monkeyflower

• rare native
Annual herb

Mimulus palmeri Palmer's monkeyflower

native
Annual herb

Mimulus cupriphilus Pennell's panther

native
Perennial herb

Mimulus parishii Parish mimulus

native
Annual herb

Erythranthe primuloides Primrose monkeyflower

native
Perennial herb

Mimulus primuloides Primrose monkeyflower

native
Perennial herb

Mimulus primuloides ssp. primuloides Primrose monkeyflower

native
Perennial herb

Mimulus primuloides var. primuloides Primrose monkeyflower

native
Perennial herb

Mimulus moschatus var. sessilifolius Muskflower

native
Perennial herb

Mimulus pulsiferae Candelabrum monkey flower

native
Annual herb

Mimulus purpureus little purple monkeyflower

• rare native
Annual herb

Erythranthe rhodopetra Red rock canyon monkeyflower

• rare native
Annual herb

Mimulus rubellus Red stemmed himulus

native
Annual herb

Mimulus shevockii Kelso Creek monkeyflower

• rare native
Annual herb

Erythranthe sierrae Sierra nevada monkeyflower

• rare native
Annual herb

Mimulus suksdorfii Suksdorf's monkeyflower

native
Annual herb

Erythranthe taylorii Shasta limestone monkeyflower

• rare native
Annual herb

Erythranthe tilingii Larger mountain monkeyflower

native
Perennial herb

Mimulus tilingii Larger mountain monkeyflower

native
Perennial herb

Mimulus tilingii var. caespitosus Larger mountain monkeyflower

native
Perennial herb

Erythranthe trinitiensis Pink-margined monkeyflower

• rare native
Annual herb

Erythrina crista-galli Crybabytree

non-native
Tree, Shrub

Erythronium californicum California fawn lily, California fawnlily

native
Perennial herb (bulb)

Erythronium californicum var. white California fawn lily, California fawnlily

native
Perennial herb (bulb)

Erythronium citrinum Cream fawnlily, Lemon colored fawn lily

native
Perennial herb (bulb)

Erythronium citrinum var. citrinum Cream fawnlily, Lemon colored fawn lily

• rare native
Perennial herb (bulb)

Erythronium citrinum var. roderickii Lemon colored fawn lily, Roderick's fawnlily

• rare native
Perennial herb (bulb)

Erythronium grandiflorum Glacier lily, Yellow avalanche lily

native
Perennial herb (bulb)

Erythronium grandiflorum ssp. grandiflorum Glacier lily

native
Perennial herb (bulb)

Erythronium grandiflorum ssp. grandiflorum

Erythronium helenae Pacific fawnlily, St. Helena fawn lily

• rare native
Perennial herb (bulb)

Erythronium hendersonii Henderson's fawn lily, Henderson's fawnlily

• rare native
Perennial herb (bulb)

Erythronium howellii Howell's fawn lily, Howell's fawnlily

• rare native
Perennial herb (bulb)

Erythronium klamathense Klamath fawn lily, Klamath fawnlily

• rare native
Perennial herb (bulb)

Erythronium multiscapideum Sierra fawn lily

native
Perennial herb (bulb)

Erythronium oregonum Giant white fawnlily, Oregon fawn lily

• rare native
Perennial herb (bulb)

Erythronium oregonum ssp. leucandrum Giant white fawnlily, Oregon fawn lily

• rare native
Perennial herb (bulb)

Erythronium pluriflorum Manyflower fawnlily, Shuteye peak fawn lily

• rare native
Perennial herb (bulb)

Erythronium purpurascens Purple fawn lily, Plain leaf fawn lily

native
Perennial herb (bulb)

Erythronium pusaterii Hocket lakes fawn lily, Kaweah lakes fawnlily

• rare native
Perennial herb (bulb)

Erythronium revolutum Mahogany fawn lily

• rare native
Perennial herb (bulb)

Erythronium shastense Shasta fawn lily

• rare native
Perennial herb

Erythronium taylorii Taylor's fawnlily

• rare native
Perennial herb (bulb)

Erythronium tuolumnense Tuolumne fawn lily, Tuolumne fawnlily

• rare native
Perennial herb (bulb)

Eschscholzia androuxii Joshua tree poppy

• rare native
Annual herb

Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy

native
Annual herb

Eschscholzia californica California poppy

native
Annual, Perennial herb

Eschscholzia californica ssp. mexicana Desert california poppy

native
Annual, Perennial herb

Eschscholzia glyptosperma Desert gold poppy, Desert golden poppy, Desert poppy

native
Annual herb

Eschscholzia hypecoides Leafy stemmed poppy, San benito poppy

• rare native
Annual herb

Eschscholzia lemmonii Lemmon's poppy

native
Annual herb

Eschscholzia lemmonii ssp. kernensis Tejon poppy

• rare native
Annual herb

Eschscholzia lemmonii ssp. lemmonii Lemmon's poppy

native
Annual herb

Eschscholzia lobbii Frying pans, Fryingpans

native
Annual herb

Eschscholzia mexicana Desert california poppy

native
Annual herb

Eschscholzia minutiflora Coville s poppy, Pygmy poppy

native
Annual herb

Eschscholzia minutiflora ssp. covillei Coville's poppy, Coville's pygmy poppy

native
Annual herb

Eschscholzia minutiflora ssp. minutiflora Pygmy poppy

native
Annual herb

Eschscholzia minutiflora ssp. minutiflora

Eschscholzia minutiflora var. twisselmannii Red rock poppy

• rare native
Annual herb

Eschscholzia minutiflora var. twisselmannii

Eschscholzia papastillii Cryptic desert poppy

native
Annual herb

Eschscholzia parishii Parish's poppy, Pygmy poppy

native
Annual herb

Eschscholzia californica ssp. californica Kernville poppy

• rare native
Perennial herb

Eschscholzia ramosa Channel island poppy, Island poppy

• rare native
Annual herb

Eschscholzia rhombipetala Diamond petaled california poppy, Diamondpetal california poppy

• rare native
Annual herb

Escobaria vivipara var. alversonii Foxtail cactus

native
Shrub (stem succulent)

Escobaria vivipara var. deserti Desert pincushion

native
Shrub (stem succulent)

Eucalyptus camaldulensis Red gum, Red river gum, River redgum

• invasive non-native
Tree

Eucalyptus citriodora Lemon scented gum, Lemonscented gum

non-native
Tree

Eucalyptus cladocalyx Sugar gum, Sugargum

• invasive non-native
Tree

Eucalyptus conferruminata Spider gum, bushy yate

non-native
Tree

Eucalyptus erythrocorys

non-native
Tree

Eucalyptus globulus Blue gum, Tasmanian bluegum

• invasive non-native
Tree

Eucalyptus gomphocephala Tuart

non-native
Tree

Eucalyptus grandis Grand eucalyptus

non-native
Tree

Eucalyptus leucoxylon White ironbark

non-native
Tree

Eucalyptus microtheca Coolabah

non-native
Tree

Eucalyptus nicholii

non-native
Tree

Eucalyptus polyanthemos Redbox, Silver dollar gum

non-native
Tree

Eucalyptus pulverulenta Money tree, Silverleaf mountain gum

non-native
Tree

Eucalyptus robusta Swampmahogany

non-native
Tree

Eucalyptus sideroxylon Red iron bark, Red ironbark

non-native
Tree

Eucalyptus torquata Coral gum

non-native
Tree

Eucalyptus viminalis Manna gum

non-native
Tree

Aster breweri Brewer's aster

native
Perennial herb

Eucephalus glabratus Smooth aster

• rare native
Perennial herb

Aster ledophyllus Cascade aster

native
Perennial herb

Eucephalus ledophyllus Cascade aster

native
Perennial herb

Eucephalus ledophyllus var. ledophyllus Cascade aster

native
Perennial herb

Eucephalus vialis Wayside aster

• rare native
Perennial herb

Euchiton gymnocephalus Creeping cudweed

non-native
Perennial herb

Euchiton involucratus

non-native
Annual herb

Euchiton sphaericus Tropical creeping cudweed

non-native
Annual herb

Euclidium syriacum Syrian mustard

non-native
Annual herb

Eucnide rupestris Rock nettle

• rare native
Annual herb

Eucnide urens Desert bush nettle, Desert rocknettle, Desert stingbush

native
Shrub

Eucrypta chrysanthemifolia Common eucrypta, Spotted eucrypta, Spotted hideseed

native
Annual herb

Eucrypta chrysanthemifolia var. bipinnatifida Common eucrypta, Spotted hideseed, Torrey eucrypta

native
Annual herb

Eucrypta chrysanthemifolia var. bipinnatifida

Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed

native
Annual herb

Eucrypta chrysanthemifolia var. chrysanthemifolia

Eucrypta micrantha Dainty desert hideseed, Desert eucrypta, Small flowered eucrypta

native
Annual herb

Camissonia californica California primrose

native
Annual herb

Eulobus californicus California primrose

native
Annual herb

Euonymus fortunei Winter creeper

non-native
Tree, Shrub

Euonymus japonicus Japanese spindletree

non-native
Tree, Shrub

Euonymus occidentalis Burning bush, Western burning bush

native
Tree, Shrub

Euonymus occidentalis var. occidentalis Western burning bush

native
Tree, Shrub

Euonymus occidentalis var. parishii Parish's burning bush, Western burning bush

native
Tree, Shrub

Euphorbia abramsiana Abrams' spurge

• rare native
Annual herb

Chamaesyce albomarginata Rattlesnake sandmat

native
Perennial herb

Euphorbia albomarginata Rattlesnake sandmat

native
Perennial herb

Chamaesyce arizonica Arizona spurge

• rare native
Perennial herb

Euphorbia arizonica Arizona spurge

• rare native
Perennial herb

Euphorbia characias Albanian spurge

non-native
Perennial herb

Euphorbia characias ssp. wulfenii Albanian spurge

non-native
Perennial herb

Euphorbia crenulata Chinese caps, Chinesecaps

native
Annual, Perennial herb

Euphorbia cyathophora Fire on the mountain

non-native
Annual, Perennial herb

Euphorbia cyparissias Cypress spurge

non-native
Perennial herb

Euphorbia davidii David's spurge

non-native
Perennial herb

Euphorbia dendroides Tree spurge

non-native
Shrub

Euphorbia dentata Toothed spurge

non-native
Annual herb

Euphorbia eriantha Beetle spurge

native
Annual herb

Euphorbia exigua Dwarf spurge

non-native
Perennial herb

Euphorbia exstipulata Squareseed spurge

native
Annual herb

Euphorbia exstipulata var. exstipulata Clark Mountain spurge

• rare native
Annual herb

Chamaesyce fendleri Fendler's sandmat

native
Perennial herb

Euphorbia fendleri Fendler's sandmat

native
Perennial herb

Euphorbia glyptosperma Ridge-seeded spurge

native
Annual herb

Euphorbia helioscopia Wartweed

non-native
Annual herb

Euphorbia heterophylla Mexican fireplant

non-native
Annual, Perennial herb

Euphorbia hirta Pillpod sandmat

non-native
Annual herb

Chamaesyce hooveri Hoover's spurge

• rare native
Annual herb

Euphorbia hooveri Hoover's spurge

• rare native
Annual herb

Euphorbia hypericifolia graceful sandmat

non-native
Annual herb

Euphorbia jaegeri Orocopia mountains spurge

• rare native
Shrub

Euphorbia lathyris Compass plant, Gopher plant, Moleplant

• invasive non-native
Annual, Perennial herb

Euphorbia lathyrus Compass plant, Gopher plant, Moleplant

• invasive non-native
Annual, Perennial herb

Euphorbia lurida Woodland spurge

native
Perennial herb

Chamaesyce maculata Spotted spurge

non-native
Annual herb

Euphorbia maculata Spotted spurge

non-native
Annual herb

Euphorbia marginata Snow on the mountain

non-native
Annual herb

Chamaesyce melanadenia Red-gland spurge

native
Perennial herb

Euphorbia melanadenia Red-gland spurge

native
Perennial herb

Chamaesyce micromera Sonoran sandmat

native
Annual herb

Euphorbia micromera Sonoran sandmat

native
Annual herb

Euphorbia misera Cliff spurge

• rare native
Shrub

Euphorbia myrsinites Myrtle spurge

non-native
Biennial, Perennial herb

Euphorbia nutans Eyebane spurge

non-native
Annual herb

Euphorbia oblongata Eggleaf spurge

• invasive non-native
Perennial herb

Chamaesyce ocellata Contura creek spurge

native
Annual herb

Euphorbia ocellata Contura creek spurge

native
Annual herb

Chamaesyce ocellata ssp. arenicola Dune spurge

native
Annual, Perennial herb

Euphorbia ocellata ssp. arenicola Dune spurge

native
Annual, Perennial herb

Chamaesyce ocellata ssp. ocellata Valley spurge

native
Annual, Perennial herb

Euphorbia ocellata ssp. ocellata Valley spurge

native
Annual, Perennial herb

Euphorbia ocellata ssp. rattanii Stony creek spurge

• rare native
Annual herb

Euphorbia parishii Parish's sandmat

native
Perennial herb

Chamaesyce parryi Parry's spurge

• rare native
Annual herb

Euphorbia parryi Parry's spurge

• rare native
Annual herb

Euphorbia pediculifera Carrizo mountain sandmat

native
Perennial herb

Euphorbia peplus Petty spurge

non-native
Annual herb

Chamaesyce polycarpa Smallseed sandmat

native
Perennial herb

Chamaesyce polycarpa var. polycarpa Smallseed sandmat

native
Perennial herb

Euphorbia polycarpa Smallseed sandmat

native
Perennial herb

Euphorbia polycarpa var. polycarpa Smallseed sandmat

native
Perennial herb

Chamaesyce prostrata Prostrate sandmat

non-native
Annual herb

Euphorbia chamaesyce Prostrate sandmat

non-native
Annual herb

Euphorbia prostrata Prostrate sandmat

non-native
Annual herb

Euphorbia pulcherrima Poinsettia

non-native
Shrub

Chamaesyce revoluta Revolute spurge

• rare native
Annual herb

Euphorbia revoluta Revolute spurge

• rare native
Annual herb

Euphorbia rigida Upright myrtle spurge

non-native
Perennial herb

Euphorbia incisa Mojave spurge

native
Perennial herb

Euphorbia schizoloba Mojave spurge

native
Perennial herb

Euphorbia serpens Matted sandmat

non-native
Annual herb

Chamaesyce serpyllifolia Thyme-leafed spurge

native
Annual herb

Euphorbia serpyllifolia Thyme-leafed spurge

native
Annual herb

Chamaesyce serpyllifolia ssp. hirtula Hairy thyme leafed spurge

native
Annual, Perennial herb

Euphorbia serpyllifolia ssp. hirtula Hairy thyme leafed spurge

native
Annual, Perennial herb

Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge

native
Annual, Perennial herb

Chamaesyce serpyllifolia ssp. serpyllifolia

Euphorbia serpyllifolia ssp. serpyllifolia Thyme leafed spurge

native
Annual, Perennial herb

Euphorbia serpyllifolia ssp. serpyllifolia

Euphorbia serrata Saw toothed spurge, Serrate spurge

• invasive non-native
Perennial herb

Chamaesyce setiloba Yuma sandmat

native
Annual herb

Euphorbia setiloba Yuma sandmat

native
Annual herb

Euphorbia spathulata Reticulate seeded spurge, Warty spurge

native
Annual herb

Euphorbia terracina carnation spurge, Geraldton carnation weed

• invasive non-native
Perennial herb

Euphorbia vallis-mortae Death valley sandmat

• rare native
Perennial herb

Euphorbia esula Leafy spurge

• invasive non-native
Perennial herb

Euphorbia virgata Leafy spurge

• invasive non-native
Perennial herb

Iva acerosa Copperwort

• rare native
Perennial herb

Oxytenia acerosa Copperwort

• rare native
Perennial herb

Euphrosyne nevadensis Nevada wormwood

• rare native
Annual herb

Eurybia integrifolia Thickstem aster

native
Perennial herb

Eurybia merita Subalpine aster

• rare native
Perennial herb

Aster radulinus Roughleaf aster

native
Perennial herb

Eurybia radulina Roughleaf aster

native
Perennial herb

Euryops pectinatus Golden daisy bush

non-native
Shrub

Eustoma exaltatum Catchfly prairie gentian

native
Annual, Perennial herb

Euthamia occidentalis Western flat topped goldenrod, Western goldenrod, Western goldentop

native
Perennial herb

Atriplex californica California orach

native
Perennial herb

Extriplex californica California orach

native
Perennial herb

Extriplex joaquinana San Joaquin spearscale

• rare native
Annual herb

Extriplex joaquiniana San Joaquin spearscale

• rare native
Annual herb

Fagonia laevis California fagonbush, California fagonia, Small flowered fagonia

native
Shrub (stem succulent)

Fagonia pachyacantha Fagonis, Sticky fagonbush, Sticky fagonia

native
Perennial herb (stem succulent)

Fagopyrum esculentum Domestic buckwheat

non-native
Annual herb

Fagopyrum tataricum Tartary buckwheat

non-native
Annual herb

Fallopia convolvulus Black bindweed

non-native
Annual herb

Polygonum convolvulus Black bindweed

non-native
Annual herb

Polygonum convolvulus var. convolvulus Black bindweed

non-native
Annual herb

Fallopia japonica Japanese knotweed

• invasive non-native
Perennial herb

Fallopia japonica var. japonica Japanese knotweed

• invasive non-native
Perennial herb

Polygonum cuspidatum Japanese knotweed

• invasive non-native
Perennial herb

Reynoutria japonica Japanese knotweed

• invasive non-native
Perennial herb

Fallopia sachalinensis Giant knotweed

• invasive non-native
Perennial herb

Reynoutria sachalinensis Giant knotweed

• invasive non-native
Perennial herb

Fallugia paradoxa Apache plume

native
Shrub

Fatsia japonica Paperplant

non-native
Vine

Feijoa sellowiana Pineapple guava

non-native
Tree

Felicia amelloides Blue daisy

non-native
Perennial herb

Fendlerella utahensis Utah fendlerbush, Yerba desierto

• rare native
Shrub

Ferocactus acanthodes Barrel cactus, California barrel cactus

native
Shrub (stem succulent)

Ferocactus cylindraceus Barrel cactus, California barrel cactus

native
Shrub (stem succulent)

Ferocactus cylindraceus ssp. cylindraceus Barrel cactus, California barrel cactus

native
Shrub (stem succulent)

Ferocactus cylindraceus ssp. cylindraceus

Ferocactus cylindraceus var. lecontei Barrel cactus, California barrel cactus

native
Shrub (stem succulent)

Echinocactus viridescens San diego barrel cactus, San diego barrelcactus

• rare native
Shrub (stem succulent)

Ferocactus viridescens San diego barrel cactus, San diego barrelcactus

• rare native
Shrub (stem succulent)

Festuca arundinacea Alta fescue, Reed fescue, Tall fescue

• invasive non-native
Perennial grass

Festuca glauca Field fescue

non-native
Perennial grass

Festuca brachyphylla Alpine fescue

native
Perennial grass

Festuca brachyphylla ssp. coloradoensis Alpine fescue

native
Perennial grass

Festuca brachyphylla ssp. breviculmis Short leaved fescue

native
Perennial grass

Festuca bromoides Brome fescue

non-native
Annual grass

Vulpia bromoides Brome fescue

non-native
Annual grass

Festuca californica California fescue

native
Perennial grass

Festuca californica ssp. californica California fescue

native
Perennial grass

Festuca elmeri Coast fescue, Elmer fescue

native
Perennial grass

Festuca idahoensis Blue bunchgrass, Blue fescue, Idaho fescue

native
Perennial grass

Festuca roemeri Blue bunchgrass, Blue fescue, Idaho fescue

native
Perennial grass

Festuca kingii Spike fescue

native
Perennial grass

Leucopoa kingii Spike fescue

native
Perennial grass

Festuca microstachys Small fescue

native
Annual grass

Festuca minutiflora Small flowered fescue, Smallflower fescue

• rare native
Perennial grass

Festuca myuros Rattail sixweeks grass

• invasive non-native
Annual grass

Vulpia myuros Rattail sixweeks grass

• invasive non-native
Annual grass

Festuca occidentalis Western fescue

native
Perennial grass

Festuca octoflora Sixweeks grass

native
Annual grass

Vulpia octoflora Sixweeks grass

native
Annual grass

Festuca perennis Italian rye grass

• invasive non-native
Annual, Perennial grass

Lolium multiflorum Italian rye grass

• invasive non-native
Annual, Perennial grass

Lolium perenne Italian rye grass

• invasive non-native
Annual, Perennial grass

Festuca pratensis Meadow fescue

non-native
Perennial grass

Festuca rubra Red fescue

native
Perennial grass

Festuca rubra ssp. rubra Red fescue

native
Perennial grass

Festuca saximontana Rocky mountain fescue

native
Perennial grass

Festuca saximontana var. purpusiana Rocky mountain fescue

native
Perennial grass

Festuca subulata Bearded fescue, Nodding fescue

native
Perennial grass

Festuca subuliflora Coast range fescue, Crinkleawn fescue

native
Perennial grass

Festuca temulenta Darnel, tares

non-native
Annual grass

Festuca trachyphylla Hard fescue, Rough leaved fescue

non-native
Perennial grass

Festuca viridula Greenleaf fescue, Mountain bunch fescue

native
Perennial grass

Ficus auriculata Roxburgh fig

non-native
Shrub

Ficus benjamina Weeping fig

non-native
Shrub

Ficus carica Common fig, Edible fig

• invasive non-native
Tree

Ficus elastica Indian rubberplant

non-native
Shrub

Ficus microcarpa Chinese banyan

non-native
Shrub

Ficus pumila Climbingfig

non-native
Shrub

Filago pyramidata Broadleaf cottonrose

non-native
Annual herb

Filago vulgaris Broadleaf cottonrose

non-native
Annual herb

Filago pyramidata var. pyramidata Filago, Herba impia

non-native
Annual herb

Filipendula hexapetala Dropwort

non-native
Perennial herb

Fimbristylis autumnalis Slender fimbry

non-native
Annual grasslike herb

Fimbristylis miliacea Grasslike fimbry, Millet fimbristylis

non-native
Annual grasslike herb

Fimbristylis thermalis Hot springs fimbristylis, Hot springs fimbry

• rare native
Perennial grasslike herb (rhizomatous)

Fimbristylis vahlii Vahl's fimbristylis, Vahl's fimbry

native
Annual grasslike herb

Fissidens sublimbatus Fissidens moss

native
Moss

FISSIDENTACEAE

Floerkea proserpinacoides False mermaidweed

native
Annual herb

Foeniculum vulgare Biscuit root, Sweet fennel

• invasive non-native
Perennial herb

Forestiera neomexicana Desert olive, Stretchberry

native
Shrub

Forestiera pubescens Desert olive, Stretchberry

native
Shrub

Fouquieria splendens Jacob's staff, Ocotillo

native
Shrub

FOUQUIERIACEAE

Fouquieria splendens ssp. splendens Ocotillo

native
Shrub

FOUQUIERIACEAE

Fragaria chiloensis Beach strawberry

native
Perennial herb

Fragaria vesca California strawberry, Wild strawberry, Wood strawberry

native
Perennial herb

Fragaria vesca var. bracteata California strawberry, Wild strawberry, Wood strawberry

native
Perennial herb

Fragaria virginiana Mountain strawberry, Scarlet strawberry, Virginia strawberry

native
Perennial herb

Fragaria virginiana ssp. glauca Mountain strawberry, Scarlet strawberry, Virginia strawberry

native
Perennial herb

Fragaria virginiana ssp. platypetala Mountain strawberry, Scarlet strawberry, Virginia strawberry

native
Perennial herb

Fragaria ananassa

native
Perennial herb

Frangula californica California coffeeberry

native
Shrub

Rhamnus californica California coffeeberry

native
Shrub

Frangula californica ssp. californica California coffeeberry

native
Shrub

Frangula californica ssp. crassifolia Serpentine hoary coffeeberry

native
Shrub

Frangula californica ssp. cuspidata Sierra hoary coffeeberry

native
Shrub

Rhamnus tomentella ssp. cuspidata Sierra hoary coffeeberry

native
Shrub

Frangula californica ssp. occidentalis Wetern california coffeeberry

native
Shrub

Frangula californica ssp. tomentella Hoary coffeeberry

native
Shrub

Rhamnus tomentella Hoary coffeeberry

native
Shrub

Rhamnus tomentella ssp. tomentella Hoary coffeeberry

native
Shrub

Frangula purshiana Cascara buckthorn

native
Tree, Shrub

Frangula purshiana ssp. purshiana Cascara sagrada

native
Shrub

Frangula purshiana ssp. ultramafica Caribou coffeeberry

• rare native
Shrub

Frangula rubra Red buckthorn

native
Shrub

Rhamnus rubra Red buckthorn

native
Shrub

Frangula rubra ssp. modocensis Modoc buckthorn

native
Shrub

Frangula rubra ssp. rubra Red buckthorn

native
Shrub

Frankenia palmeri Palmer's frankenia, Palmer's seaheath, Yerba reuma

• rare native
Perennial herb

FRANKENIACEAE

Frankenia pulverulenta European sea heath

non-native
Perennial herb

FRANKENIACEAE

Frankenia salina Alkali heath, Alkali seaheath, Yerba reuma, alkali heath

native
Perennial herb

FRANKENIACEAE

Frasera albicaulis Whitestem frasera

native
Perennial herb

Frasera albicaulis var. modocensis Modoc frasera

• rare native
Perennial herb

Frasera albicaulis var. nitida Whitestem frasera

native
Perennial herb

Swertia albicaulis var. nitida Whitestem frasera

native
Perennial herb

Frasera albomarginata Desert frasera

native
Perennial herb

Swertia albomarginata Desert frasera

native
Perennial herb

Frasera albomarginata var. albomarginata Desert green-gentian

• rare native
Perennial herb

Frasera albomarginata var. albomarginata

Frasera neglecta Pine green-gentian

• rare native
Perennial herb

Frasera parryi Coahuila frasera

native
Perennial herb

Frasera puberulenta Inyo frasera

native
Perennial herb

Frasera speciosa Monument plant

native
Perennial herb

Swertia radiata Monument plant

native
Perennial herb

Frasera tubulosa Kern frasera

• rare native
Perennial herb

Frasera fastigiata Umpqua green-gentian

• rare native
Perennial herb

Frasera umpquaensis Umpqua green-gentian

• rare native
Perennial herb

Swertia fastigiata Umpqua green-gentian

• rare native
Perennial herb

Swertia umpquaensis Umpqua green-gentian

• rare native
Perennial herb

Fraxinus americana White ash

non-native
Tree, Shrub

Fraxinus anomala Dwarf ash, Single leaf ash, Single leaved ash

native
Tree, Shrub

Fraxinus anomala var. anomala Dwarf ash, Single leaf ash, Single leaved ash

native
Tree, Shrub

Fraxinus dipetala California ash, Flowering ash, Foothill ash

native
Tree, Shrub

Fraxinus latifolia Oregon ash

native
Tree

Fraxinus ornus Flowering ash

non-native
Tree, Shrub

Fraxinus parryi Chaparral ash

• rare native
Shrub

Fraxinus pennsylvanica Green ash

non-native
Tree

Fraxinus uhdei Shamel ash

• invasive non-native
Tree

Fraxinus velutina Arizona ash, Velvet ash

native
Tree

Freesia refracta Common freesia

non-native
Perennial herb

$Freesia refracta$
© 2011 Eric Larson

$Freesia refracta$
© 2007 Luigi Rignanese

Fremontia californica California flannelbush, California fremontia, Flannel bush

native
Shrub

Fremontodendron californicum California flannelbush, California fremontia, Flannel bush

native
Shrub

Fremontodendron californicum ssp. californicum California flannelbush, California fremontia, Flannel bush

native
Shrub

Fremontodendron californicum ssp. californicum

Fremontodendron californicum ssp. decumbens Pine hill flannelbush

• rare native
Shrub

Fremontodendron californicum ssp. decumbens

Fremontodendron decumbens Pine hill flannelbush

• rare native
Shrub

Fremontodendron mexicanum Mexican flannelbush

• rare native
Shrub

Fritillaria affinis Checker lily, Mission bells

native
Perennial herb (bulb)

Fritillaria affinis var. affinis Checker lily, Mission bells

native
Perennial herb (bulb)

Fritillaria affinis var. tristulis Checker lily, Mission bells

native
Perennial herb (bulb)

Fritillaria lanceolata Checker lily, Mission bells

native
Perennial herb (bulb)

Fritillaria agrestis Stinkbells

• rare native
Perennial herb (bulb)

Fritillaria atropurpurea Mountain fritillary, Purple fritillary, Spotted fritillary

native
Perennial herb

Fritillaria biflora Chocolate lily

native
Perennial herb

Fritillaria biflora var. biflora Chocolate lily

native
Perennial herb (bulb)

Fritillaria biflora var. ineziana Hillsborough chocolate lily

• rare native
Perennial herb (bulb)

Fritillaria brandegeei Greenhorn fritillary

• rare native
Perennial herb (bulb)

Fritillaria eastwoodiae Butte county fritillary

• rare native
Perennial herb (bulb)

Fritillaria falcata Talus fritillary

• rare native
Perennial herb (bulb)

Fritillaria gentneri Gentner's fritillary

• rare native
Perennial herb

Fritillaria glauca Siskiyou fritillary, Siskiyou missionbells

• rare native
Perennial herb

Fritillaria lanceolata var. tristulis Marin checker lily

• rare native
Perennial herb

Fritillaria liliacea Fragrant fritillary

• rare native
Perennial herb (bulb)

Fritillaria micrantha Brown bells, Brown fritillary

native
Perennial herb

Fritillaria ojaiensis Ojai fritillary

• rare native
Perennial herb (bulb)

Fritillaria pinetorum Pine woods fritillary, Pinewoods fritillary

• rare native
Perennial herb

Fritillaria pluriflora Adobe lily

• rare native
Perennial herb (bulb)

Fritillaria pudica Gold bell, Yellow fritillary

native
Perennial herb

Fritillaria purdyi Purdy's fritillary

• rare native
Perennial herb (bulb)

Fritillaria recurva Scarlet fritillary

native
Perennial herb

Fritillaria grayana ssp. martha Roderick's fritillary

• rare native
Perennial herb (bulb)

Fritillaria striata Striped adobe lily

• rare native
Perennial herb (bulb)

Fritillaria viridea San benito fritillary

• rare native
Perennial herb (bulb)

Froelichia gracilis Slender snakecotton

non-native
Annual herb

Fuchsia boliviana Bolivian fuchsia

non-native
Shrub

Fuchsia magellanica Hardy fuchsia

non-native
Shrub

Fuchsia paniculata Shrubby fuchsia

non-native
Shrub

Fumaria capreolata White ramping fumitory

non-native
Perennial herb

Fumaria muralis Wall fumitory

non-native
Annual herb

Fumaria officinalis Drug fumitory

• invasive non-native
Annual herb

Fumaria parviflora Fine leaved fumitory, Fineleaf fumitory

non-native
Annual herb

Funastrum crispum Wavyleaf twinevine

• rare native
Perennial herb

Sarcostemma crispum Wavyleaf twinevine

• rare native
Perennial herb

Funastrum cynanchoides Fringed twinevine

native
Perennial herb

Funastrum cynanchoides ssp. hartwegii Fringed twinevine

native
Perennial herb

Sarcostemma cynanchoides Fringed twinevine

native
Perennial herb

Funastrum cynanchoides var. hartwegii Climbing milkweed

native
Perennial herb

Sarcostemma cynanchoides ssp. hartwegii Climbing milkweed

native
Perennial herb

Funastrum hirtellum Hairy milkweed

native
Perennial herb, Vine

Cynanchum utahense Utah vine milkweed

• rare native
Perennial herb

Funastrum utahense Utah vine milkweed

• rare native
Perennial herb

Gaillardia aristata Blanketflower, Common gaillardia, Common Indian blanket

non-native
Perennial herb

Gaillardia pinnatifida Red dome blanketflower

non-native
Annual herb

Gaillardia pulchella Firewheel indian blanket

non-native
Annual herb

Gaillardia Xgrandiflora

non-native
Annual herb

Galega officinalis Professor-weed

• invasive non-native
Perennial herb

Galenia pubescens Coastal galenia

non-native
Perennial herb

Galeopsis tetrahit Brittlestem hempnettle

non-native
Annual herb

Galinsoga parviflora var. semicalva Gallant soldier

non-native
Annual herb

Galinsoga parviflora var. parviflora Few flowered galinsoga

non-native
Annual herb

Galinsoga ciliata Four pointed galinsoga, Shaggy soldier

non-native
Annual herb

Galinsoga quadriradiata Four pointed galinsoga, Shaggy soldier

non-native
Annual herb

Galium ambiguum Yolla bolly bedstraw

native
Perennial herb

Galium ambiguum ssp. ambiguum Yolla bolly bedstraw

native
Perennial herb

Galium ambiguum ssp. siskiyouense Siskiyou bedstraw

native
Perennial herb

Galium ambiguum var. siskiyouense Siskiyou bedstraw

native
Perennial herb

Galium andrewsii Needlemat galium, Phlox leaved bedstraw, Phloxleaf bedstraw

native
Perennial herb

Galium andrewsii ssp. andrewsii Andrews' bedstraw, Phlox leaved bedstraw

native
Perennial herb

Galium andrewsii ssp. gatense Serpentine bedstraw

• rare native
Perennial herb

Galium angustifolium Narrow leaved bedstraw, Narrowleaf bedstraw

native
Perennial herb

Galium angustifolium ssp. angustifolium Narrow leaved bedstraw, Narrowleaf bedstraw

native
Perennial herb

Galium angustifolium ssp. borregoense Borrego bedstraw

• rare native
Perennial herb

Galium angustifolium ssp. foliosum Narrow leaved bedstraw, Narrowleaf bedstraw

native
Perennial herb

Galium angustifolium ssp. gabrielense San antoinio canyon bedstraw, San antonio canyon bedstraw

• rare native
Perennial herb

Galium angustifolium ssp. gracillimum Narrow leaved bedstraw, Slender bedstraw

• rare native
Perennial herb

Galium angustifolium ssp. jacinticum San jacinto bedstraw, San jacinto mtns. bedstraw

• rare native
Perennial herb

Galium angustifolium ssp. nudicaule Naked stem bedstraw, Narrowleaf bedstraw

native
Perennial herb

Galium angustifolium ssp. onycense Onyx peak bedstraw

• rare native
Perennial herb

Galium aparine Cleavers, Common bedstraw, Goose grass

native
Annual herb

Galium bifolium Low mountain bedstraw, Twinleaf bedstraw

native
Annual herb

Galium bolanderi Bolander galium, Bolander's bedstraw

native
Perennial herb

Galium boreale Northern bedstraw

native
Perennial herb

Galium boreale ssp. septentrionale Northern bedstraw

native
Perennial herb

Galium californicum California bedstraw

native
Perennial herb

Galium californicum ssp. californicum California bedstraw

native
Perennial herb

Galium californicum ssp. flaccidum California bedstraw

native
Perennial herb

Galium californicum ssp. luciense Cone peak bedstraw

• rare native
Perennial herb

Galium californicum ssp. maritimum Coastal california bedstraw

native
Perennial herb

Galium californicum ssp. miguelense San miguel island bedstraw

• rare native
Perennial herb

Galium californicum ssp. primum California bedstraw

• rare native
Perennial herb

Galium californicum ssp. sierrae El dorado bedstraw

• rare native
Perennial herb

Galium catalinense Santa catalina island bedstraw

native
Perennial herb

Galium catalinense ssp. acrispum San clemente island bedstraw, Santa clemente island bedstraw

• rare native
Shrub

Galium catalinense ssp. catalinense Santa catalina island bedstraw

• rare native
Shrub

Galium clementis Santa Lucia bedstraw

• rare native
Perennial herb

Galium cliftonsmithii Santa barbara bedstraw

• rare native
Perennial herb

Galium divaricatum Lamarck's bedstraw

non-native
Annual herb

Galium glabrescens var. glabrescens Castle lake bedstraw

native
Perennial herb

Galium glabrescens ssp. glabrescens Castle lake bedstraw

native
Perennial herb

Galium glabrescens ssp. modocense Modoc bedstraw

• rare native
Perennial herb

Galium grande San gabriel bedstraw

• rare native
Shrub

Galium grayanum Gray's bedstraw

native
Perennial herb

Galium grayanum var. grayanum Gray's bedstraw

native
Perennial herb

Galium hallii Hall's bedstraw, Nodding bedstraw

native
Perennial herb

Galium hardhamiae Hardham's bedstraw

• rare native
Perennial herb

Galium hilendiae ssp. carneum Panamint mountains bedstraw, Panamint mtns. bedstraw

• rare native
Perennial herb

Galium hilendiae ssp. kingstonense Kingston mountains bedstraw, Kingston mtns. bedstraw

• rare native
Perennial herb

Galium hypotrichium Alpine bedstraw

native
Perennial herb

Galium hypotrichium ssp. hypotrichium Alpine bedstraw

native
Perennial herb

Galium hypotrichium ssp. inyoense Inyo bedstraw

native
Perennial herb

Galium hypotrichium ssp. tomentellum Alpine bedstraw, Telescope peak bedstraw

• rare native
Perennial herb

Galium jepsonii Jepson's bedstraw

• rare native
Perennial herb (rhizomatous)

Galium johnstonii Johnston's bedstraw

• rare native
Perennial herb

Galium matthewsii Bushy bedstraw, Matthew's bedstraw

native
Perennial herb

Galium mexicanum ssp. asperulum Mexican bedstraw

native
Perennial herb

Galium mexicanum var. asperulum Mexican bedstraw

native
Perennial herb

Galium mollugo False baby's breath, Hedge bedstraw, Wild madder

non-native
Perennial herb

Galium multiflorum Kellogg's bedstraw, Many flowered bedstraw, Shrubby bedstraw

native
Perennial herb

Galium murale Tiny bedstraw, Yellow wall bedstraw

non-native
Annual herb

Galium nuttallii ssp. insulare Climbing bedstraw, Nuttall's island bedstraw, Nuttall'sisland bedstraw

• rare native
Perennial herb

Galium oreganum Oregon bedstraw

• rare native
Perennial herb (rhizomatous)

Galium parishii Parish's bedstraw

native
Perennial herb

Galium parisiense Wall bedstraw

non-native
Annual herb

Galium porrigens Climbing bedstraw, Graceful bedstraw, Nuttall's bedstraw

native
Vine, Shrub

Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw

native
Vine, Shrub

Galium porrigens var. tenue Graceful bedstraw

native
Vine, Shrub

Galium proliferum Desert bedstraw, Limestone bedstraw

• rare native
Annual herb

Galium serpenticum ssp. scotticum Scott mountain bedstraw, Scott mtn. bedstraw

• rare native
Perennial herb

Galium sparsiflorum ssp. sparsiflorum Sequoia bedstraw

native
Perennial herb

Galium stellatum Starry bedstraw

native
Shrub

Galium stellatum var. eremicum Starry bedstraw

native
Shrub

Galium tricornutum Rough bedstraw, Roughfruit corn bedstraw

native
Annual herb

Galium trifidum Three petaled bedstraw, Threepetal bedstraw, Trifid bedstraw

native
Perennial herb

Galium trifidum ssp. columbianum Threepetal bedstraw

native
Perennial herb

Galium trifidum var. pacificum Threepetal bedstraw

native
Perennial herb

Galium trifidum ssp. subbiflorum Threepetal bedstraw

native
Perennial herb

Galium trifidum var. pusillum Threepetal bedstraw

native
Perennial herb

Galium triflorum Fragrant bedstraw, Sweet bedstraw, Sweet scented bedstraw

native
Annual herb

Galium verum Ladie's bedstraw, Yellow spring bedstraw

non-native
Vine

Gambelia speciosa Showy island snapdragon

• rare native
Shrub

Gamochaeta calviceps Narrowleaf purple everlasting

non-native
Perennial herb

Gamochaeta falcata Narrowleaf purple everlasting

non-native
Perennial herb

Gamochaeta americana Gray everlasting

non-native
Perennial herb

Gamochaeta pensylvanica Pennsylvania everlasting

non-native
Perennial herb

Gamochaeta stagnalis Desert cudweed

non-native
Perennial herb

Gamochaeta purpurea Featherweed

native
Perennial herb

Gamochaeta ustulata Featherweed

native
Perennial herb

Gardenia jasminoides Cape jasmine

non-native
Perennial herb

Garrya buxifolia Boxleaf silk tassel, Boxleaf silktassel, Dwarf silktassel

native
Shrub

Garrya congdonii Chaparral silktassel, Congdon's silk tassel, Interior silktassel

native
Shrub

Garrya elliptica Coast silk tassel, Coast silktassel, Silk tassel bush or quinine bush

native
Tree, Shrub

Garrya flavescens Ashy silk tassel, Ashy silktassel

native
Shrub

Garrya flavescens var. padilla Ashy silk tassel, Ashy silktassel

native
Shrub

Garrya fremontii Bearbrush, Fremont's silk tassel

native
Shrub

Garrya veatchii Canyon silktassel, Southern silk tassel, Veatch silktassel

native
Shrub

Gastridium phleoides Nit grass

non-native
Annual grass

Gaultheria humifusa Alpine spicywintergreen, Alpine wintergreen

native
Shrub

Gaultheria ovatifolia Oregon spicy wintergreen, Western teaberry, Western wintergreen

native
Shrub

Gaultheria shallon Salal

native
Shrub

Gayophytum diffusum Diffuse gayophytum, Gayophytum, Spreading groundsmoke

native
Annual herb

Gayophytum diffusum ssp. diffusum Diffuse gayophytum, Spreading groundsmoke

native
Annual herb

Gayophytum diffusum ssp. parviflorum Diffuse gayophytum, Small flowered groundsmoke, Spreading groundsmoke

native
Annual herb

Gayophytum eriospermum Coville's gayophytum, Coville's groundsmoke, Woolly seeded groundsmoke

native
Annual herb

Gayophytum heterozygum Zig zag gayophytum, Zigzag groundsmoke

native
Annual herb

Gayophytum humile Dwarf groundsmoke, Gayophytum, Low gayophytum

native
Annual herb

Gayophytum oligospermum Pinegrove gayophytum, Pinegrove groundsmoke

native
Annual herb

Gayophytum ramosissimum Pinyon gayophytum, Pinyon groundsmoke

native
Annual herb

Gazania linearis Gazania, Treasure flower, Treasureflower

• invasive non-native
Perennial herb

Gelsemium sempervirens Evening trumpetflower

non-native

LOGANIACEAE

Genista canariensis Canary broom, Canary island broom

non-native
Shrub

Genista linifolia Mediterranean broom

• invasive non-native
Shrub

Genista aetnensis Bridal broom

• invasive non-native
Shrub

Genista monspessulana French broom

• invasive non-native
Shrub

Teline monspessulana French broom

• invasive non-native
Shrub

Gentiana affinis Pleated gentian

native
Perennial herb

Gentiana affinis var. ovata Gentian, Pleated gentian

native
Perennial herb

Gentiana calycosa Explorer's Gentian , Rainier pleated gentian

native
Perennial herb

Gentiana fremontii Moss gentian

• rare native
Annual herb

Gentiana newberryi Alpine gentian

native
Perennial herb

Gentiana newberryi var. newberryi Alpine gentian

native
Perennial herb

Gentiana newberryi var. tiogana Sierra alpine gentian, Tioga gentian

native
Perennial herb

Gentiana plurisetosa Bristly gentian, Klamath gentian

• rare native
Perennial herb

Gentiana prostrata Pygmy gentian

• rare native
Perennial herb

Gentiana sceptrum King's scepter gentian

native
Perennial herb

Gentiana setigera Mendocino gentian

• rare native
Perennial herb

Gentianella amarella Autumn dwarf gentian

native
Annual herb

Gentiana amarella Autumn dwarf gentian

native
Annual herb

Gentianella amarella ssp. acuta Autumn dwarf gentian

native
Annual herb

Gentianopsis holopetala Sierra fringed gentian, Sierra gentian

native
Annual herb

Gentianopsis simplex Hiker's fringed gentian, One flowered fringed gentian, Oneflower fringed gentian

native
Annual herb

Geoffroea decorticans Cha�?�?�?�??�?�?�â�?��?��?�?â�?� �?¢â�??¬â�??¢�?�?�?�??�

non-native
Perennial herb

Geraea canescens Desert sunflower, Hairy desert sunflower, Hairy desertsunflower

native
Annual herb

Geraea viscida Sticky desertsunflower, Sticky geraea

• rare native
Perennial herb

Geranium bicknellii Bicknell's cranesbill, Bicknell's geranium

native
Annual herb

Geranium californicum California cranesbill, California geranium

native
Perennial herb

Geranium carolinianum Carolina geranium

native
Annual herb

Geranium columbinum Longstalk cranesbill

non-native
Annual herb

Geranium core-core Alderney crane's-bill

non-native
Perennial herb

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

• invasive non-native
Annual herb

Geranium incanum Carpet geranium

non-native
Perennial herb

Geranium lucidum Shining geranium

• invasive non-native
Annual, Biennial herb

Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium

• invasive non-native
Annual, Perennial herb

Geranium oreganum Oregon geranium

native
Perennial herb

Geranium viscosissimum var. incisum Oregon geranium

native
Perennial herb

Geranium viscosissimum var. nervosum Oregon geranium

native
Perennial herb

Geranium palmatum Canary island geranium

non-native
Annual herb

Geranium potentilloides Cinquefoil geranium, New zealand geranium

non-native
Perennial herb

Geranium purpureum little Robin

• invasive non-native
Annual, Biennial herb

Geranium pusillum Small flowered geranium, Small geranium

non-native
Annual herb

Geranium pyrenaicum Hedgerow geranium

non-native
Perennial herb

Geranium retrorsum New zealand geranium

• invasive non-native
Perennial herb

Geranium richardsonii Richardson's geranium

native
Perennial herb

Geranium robertianum herb Robert

• invasive non-native
Annual herb

Geranium robertianum ssp. robertianum herb Robert

• invasive non-native
Annual herb

Geranium rotundifolium Round leaved geranium, Roundleaf geranium

non-native
Annual herb

Geranium sanguineum Bloody geranium

non-native
Perennial herb

Geranium solanderi Solander's geranium

non-native
Annual herb

Geranium viscosissimum Sticky geranium, Sticky purple geranium

native
Perennial herb

Geranium viscosissimum var. viscosissimum Sticky geranium, Sticky purple geranium

native
Perennial herb

Geranium viscosissimum var. viscosissimum

Gerbera jamesonii Barberton daisy

non-native
Perennial herb

Geum aleppicum Aleppo avens, Yellow avens

• rare native
Perennial herb

Geum macrophyllum Large leaved avens, Largeleaf avens

native
Perennial herb

Geum macrophyllum var. macrophyllum Largeleaf avens

native
Perennial herb

Geum macrophyllum var. perincisum Largeleaf avens

native
Perennial herb

Geum triflorum Old man's beard, Old man's whiskers, Prairie smoke

native
Perennial herb

Geum triflorum var. campanulatum Old man's beard, Old man's whiskers, Prairie smoke

native
Perennial herb

Geum triflorum var. triflorum Old man's beard, Old man's whiskers, Prairie smoke

native
Perennial herb

Geum triflorum var. ciliatum Prairie-smoke

native
Perennial herb

Gilia achilleifolia California gilia

native
Annual herb

Gilia achilleifolia ssp. achilleifolia California gilia

native
Annual herb

Gilia achilleifolia ssp. multicaulis Many stemmed california gilia, Many stemmed gilia

native
Annual herb

Gilia aliquanta ssp. aliquanta Puff calyx gilia, Puffcalyx gilia

native
Annual herb

Gilia aliquanta ssp. breviloba Puff calyx gilia, Puffcalyx gilia

native
Annual herb

Gilia angelensis Chaparral gilia

native
Annual herb

Gilia austro-occidentalis Southwestern gilia

native
Annual herb

Gilia brecciarum Nevada gilia, Small gilia

native
Annual herb

Gilia brecciarum ssp. brecciarum Nevada gilia

native
Annual herb

Gilia brecciarum ssp. neglecta Nevada gilia

native
Annual herb

Gilia cana Showy gilia

native
Annual herb

Gilia cana var. speciformis Showy gilia

native
Annual herb

Gilia cana var. speciosa Showy gilia

native
Annual herb

Gilia cana ssp. bernardina Showy gilia

native
Annual herb

Gilia cana ssp. cana Showy gilia

native
Annual herb

Gilia cana ssp. speciformis Showy gilia

native
Annual herb

Gilia cana ssp. speciosa Showy gilia

native
Annual herb

Gilia cana ssp. triceps Showy gilia

native
Annual herb

Gilia capitata Blue field gilia, Bluehead gilia

native
Annual herb

Gilia capitata ssp. abrotanifolia Ball gilia, Blue field gilia, Bluehead gilia

native
Annual herb

Gilia capitata ssp. capitata Blue field gilia, Bluehead gilia

native
Annual herb

Gilia capitata ssp. chamissonis Blue field gilia, Bluehead gilia, Dune gilia

• rare native
Annual herb

Gilia capitata ssp. mediomontana Blue field gilia, Foothill gilia

native
Annual herb

Gilia capitata ssp. pacifica Pacific blue field gilia, Pacific gilia

• rare native
Annual herb

Gilia capitata ssp. pedemontana Blue field gilia, Bluehead gilia

native
Annual herb

Gilia capitata ssp. staminea Bluehead gilia, Globe gilia

native
Annual herb

Gilia capitata ssp. tomentosa Bluehead gilia, Hairy blue field gilia

• rare native
Annual herb

Gilia clivorum Many stemmed gilia, Purple spot gilia, Purplespot gilia

native
Annual herb

Gilia clokeyi Clokey's gilia

native
Annual herb

Gilia diegensis Coastal gilia

native
Annual herb

Gilia inconspicua Shy gilia

native
Annual herb

Gilia interior Inland gilia

• rare native
Annual herb

Gilia latiflora Broad flowered gilia, Hollyleaf gilia

native
Annual herb

Gilia latiflora ssp. cuyamensis Cuyama gilia, Hollyleaf gilia

• rare native
Annual herb

Gilia latiflora ssp. davyi Broad flowered gilia, Hollyleaf gilia

native
Annual herb

Gilia latiflora ssp. elongata Broad flowered gilia, Hollyleaf gilia

native
Annual herb

Gilia latiflora ssp. latiflora Holly leaf gilia, Hollyleaf gilia

native
Annual herb

Gilia leptantha Fine flower gilia, Fineflower gilia

native
Annual herb

Gilia leptantha ssp. leptantha Fine flower gilia, Fineflower gilia

• rare native
Annual herb

Gilia leptantha ssp. pinetorum Fineflower gilia, Pine gilia

• rare native
Annual herb

Gilia malior Scrub gilia

native
Annual herb

Gilia mexicana El paso gilia

• rare native
Annual herb

Gilia millefoliata Manyleaf gilia

• rare native
Annual herb

Gilia minor Little gilia

native
Annual herb

Gilia modocensis Modoc gilia

native
Annual herb

Gilia nevinii Nevin's gilia

• rare native
Annual herb

Gilia ochroleuca ssp. bizonata Volcanic gilia

native
Annual herb

Gilia ochroleuca ssp. exilis Volcanic gilia

native
Annual herb

Gilia ochroleuca ssp. ochroleuca Volcanic gilia

native
Annual herb

Gilia ochroleuca ssp. vivida Volcanic gilia

native
Annual herb

Gilia ophthalmoides Eyed gilia

native
Annual herb

Gilia salticola Granite gilia, Salt gilia

native
Annual herb

Gilia scopulorum Rock gilia

native
Annual herb

Gilia sinuata Cinder gilia, Rosy gilia

native
Annual herb

Gilia stellata Star gilia

native
Annual herb

Gilia tenuiflora Greater yellowthroat gilia, Slender flowered gilia

native
Annual herb

Gilia tenuiflora var. tenuiflora Greater yellowthroat gilia, Slender flowered gilia

native
Annual herb

Gilia tenuiflora ssp. arenaria Greater yellowthroat gilia, Sand gilia

• rare native
Annual herb

Gilia tenuiflora ssp. hoffmannii Hoffman's gilia, Hoffman's slender flowered gilia, Hoffmann's slender flowered gilia

• rare native
Annual herb

Gilia tenuiflora ssp. tenuiflora Greater yellowthroat gilia, Slender flowered gilia

native
Annual herb

Gilia transmontana Trans montane gilia, Transmontane gilia

native
Annual herb

Gilia tricolor Bird's eye gilia, Bird's eyes, Tricolor gilia

native
Annual herb

Gilia tricolor ssp. diffusa Bird's eye gilia, Bird's eyes

native
Annual herb

Gilia tricolor ssp. tricolor Bird's eye gilia, Bird's eyes

native
Annual herb

Gilia yorkii Boyden cave gilia

• rare native
Annual herb

Gilmania luteola Golden carpet, Goldencarpet

• rare native
Annual herb

Ginkgo biloba Ginkgo

non-native
Tree

GINKGOACEAE

Githopsis diffusa ssp. candida San gabriel bluecup

native
Annual herb

Githopsis diffusa ssp. diffusa San gabriel bluecup, Southern blue cup

native
Annual herb

Githopsis diffusa ssp. robusta San gabriel bluecup

native
Annual herb

Githopsis pulchella Largeflower bluecup, Sierra bluecup

native
Annual herb

Githopsis pulchella ssp. campestris Sierra bluecup

native
Annual herb

Githopsis pulchella ssp. pulchella Sierra bluecup

native
Annual herb

Githopsis pulchella ssp. serpentinicola Serpentine bluecup, Sierra bluecup

• rare native
Annual herb

Githopsis pulchella var. glabra Sierra bluecup

native
Annual herb

Githopsis specularioides Common bluecup, Venus' looking glass

native
Annual herb

Gladiolus italicus Italian gladiolus

non-native
Perennial herb

Gladiolus tristis Ever flowering gladiolus

non-native
Perennial herb (bulb)

Glandularia peruviana Peruvian mock vervain

non-native
Perennial herb

Glaucium flavum Yellow horned poppy, Yellow hornpoppy

non-native
Perennial herb

Chrysanthemum coronarium Crown daisy

• invasive non-native
Annual herb

Glebionis coronaria Crown daisy

• invasive non-native
Annual herb

Chrysanthemum segetum Corndaisy

non-native
Annual herb

Glebionis segetum Corndaisy

non-native
Annual herb

Glechoma hederacea Ground ivy

non-native
Perennial herb

Gleditsia triacanthos Honeylocust

• invasive non-native
Tree, Shrub

Glehnia littoralis American silvertop

native
Perennial herb

Glehnia littoralis ssp. leiocarpa American glehnia, American silvertop

• rare native
Perennial herb

Glinus lotoides Lotus sweetjuice

non-native
Annual herb

MOLLUGINACEAE

Glossopetalon pungens Dwarf greasebush, Pungent glossopetalon, Smooth greasewood

• rare native
Shrub

Glossopetalon spinescens Nevada greasewood, Spiny greasebush

native
Shrub

Glossopetalon spinescens var. aridum Spiny greasebush

native
Shrub

Glyceria borealis Northern mannagrass, Small floating mannagrass

native
Perennial grass

Glyceria declinata Waxy mannagrass

• invasive non-native
Perennial grass

Glyceria elata Fowl mannagrass, Tall mannagrass

native
Perennial grass

Glyceria grandis American mannagrass

• rare native
Perennial grass (rhizomatous)

Glyceria leptostachya Davy mannagrass, Manna grass

native
Perennial grass (aquatic)

Glyceria striata Fowl mannagrass

native
Perennial grass

Glycyrrhiza glabra Cultivated licorice

non-native
Perennial herb

Glycyrrhiza lepidota American licorice, Lichorice, Wild licorice

native
Perennial herb

Glycyrrhiza lepidota var. glutinosa American licorice, Lichorice, Wild licorice

native
Perennial herb

Glyptopleura marginata Carved seed, Carveseed, Keysia

native
Annual herb

Glyptopleura setulosa Holy dandelion

native
Annual herb

Gnaphalium palustre Lowland cudweed, Western marsh cudweed

native
Annual herb

Goodmania luteola Golden goodmania, Yellow spinecape

• rare native
Annual herb

Goodyera oblongifolia Rattlesnake plantain, Western rattlesnake plantain

native
Perennial herb

Goodyera oblongifolia var. reticulata Rattlesnake plantain, Western rattlesnake plantain

native
Perennial herb

Gossypium barbadense Creole cotton

non-native
Annual herb,Perennial herb,Tree,Shrub

Gossypium hirsutum Upland cotton

non-native
Annual herb,Perennial herb,Tree,Shrub

Gratiola ebracteata Bractless hedge hyssop, Common hedge hyssop

native
Annual herb

Gratiola heterosepala Boggs lake hedge hyssop

• rare native
Annual herb

Grayia spinosa Hop sage, Spiny hopsage

native
Shrub

Cryptantha circumscissa

native
Annual herb

Cryptantha circumscissa var. circumscissa Cushion greeneocharis

native
Annual herb

Cryptantha circumscissa var. circumscissa

Cryptantha similis Dome greeneocharis

native
Annual herb

Grevillea robusta Silkoak

• invasive non-native
Tree

Grevillea rosmarinifolia rosemary grevillea, spider flower

non-native
Shrub

Grimmia laevigata Grimmia dry rock moss

native
Moss

GRIMMIACEAE

Grimmia pulvinata Pulvinate dry rock moss

native
Moss

GRIMMIACEAE

Grimmia trichophylla Grimmia dry rock moss

native
Moss

GRIMMIACEAE

Grindelia camporum Common gumplant, Great valley gumweed, Gum plant

native
Perennial herb

Grindelia camporum var. bracteosum Common gumplant, Great valley gumweed, Gum plant

native
Perennial herb

Grindelia camporum var. camporum Common gumplant, Great valley gumweed, Gum plant

native
Perennial herb

Grindelia fraxinipratensis Ash meadows gumplant

• rare native
Perennial herb

Grindelia hallii San diego gumplant

• rare native
Perennial herb

Grindelia hirsutula Gumweed, Hairy gumweed

native
Perennial herb

Grindelia hirsutula var. maritima Coastal gumweed, San francisco gum plant, San francisco gumplant

• rare native
Perennial herb

Grindelia nana Idaho gumweed, Idaho resinweed

native
Perennial herb

Grindelia ciliata Spanish gold

non-native
Annual, Biennial herb

Grindelia papposa Spanish gold

non-native
Annual, Biennial herb

Grindelia squarrosa Curlycup gumweed

non-native
Perennial herb

Grindelia squarrosa var. serrulata Curlycup gumweed, Great plains resinweed

non-native
Perennial herb

Grindelia stricta Coastal gumweed, Gumweed, Oregon gumweed

native
Perennial herb

Grindelia stricta var. angustifolia Marsh gumplant, Oregon gumweed

native
Perennial herb

Grindelia stricta var. platyphylla Gumplant, Gumweed, Oregon gumweed

native
Perennial herb

Grindelia stricta var. stricta Coastal gum plant, Oregon gumweed

native
Perennial herb

Grindelia paludosa Suisun gumplant

native
Perennial herb

Grusonia parishii Matted cholla

• rare native
Shrub (stem succulent)

Opuntia parishii Matted cholla

• rare native
Shrub (stem succulent)

Opuntia stanlyi Matted cholla

• rare native
Shrub (stem succulent)

Grusonia pulchella Sagebrush cholla

• rare native
Shrub (stem succulent)

Opuntia pulchella Sagebrush cholla

• rare native
Shrub (stem succulent)

Pectocarya pusilla Little gruvelia

native
Annual herb

Guizotia abyssinica Ramtilla

non-native
Annual herb

Gunnera chilensis Chilean gunnera

• invasive non-native
Perennial herb (aquatic)

GUNNERACEAE

Gunnera tinctoria Chilean gunnera

• invasive non-native
Perennial herb (aquatic)

GUNNERACEAE

Gutierrezia californica California matchweed, Matchweed, snakeweed, San joaquin snakeweed

native
Perennial herb, Shrub

Gutierrezia microcephala Matchweed, Sticky snakeweed, Threadleaf snakeweed

native
Shrub (stem succulent)

Gutierrezia sarothrae Broom snakeweed, Common snakeweed, Matchweed

native
Shrub

Gymnocladus dioicus Kentucky coffeetree

non-native
Perennial herb

Gymnosteris parvula Small flowered gymnosteris, Smallflower gymnosteris

native
Annual herb

Gypsophila elegans Showy baby's breath

non-native
Annual, Biennial herb

Gypsophila paniculata Baby's breath

• invasive non-native
Perennial herb

Hackelia amethystina Amethyst stickseed

• rare native
Perennial herb

Hackelia bella Greater showy stickseed

native
Perennial herb

Hackelia brevicula Poison canyon stickseed

• rare native
Perennial herb

Hackelia patens Poison canyon stickseed

• rare native
Perennial herb

Hackelia californica California stickseed

native
Perennial herb

Hackelia cusickii Cusick stickweed, Cusick's stickseed

• rare native
Perennial herb

Hackelia floribunda Many flowered stickseed, Manyflower stickseed

native
Perennial herb

Hackelia micrantha Jessica sticktight, Jessica's stickseed, Small flowered stickseed

native
Perennial herb

Hackelia mundula Pink stickseed

native
Perennial herb

Hackelia nervosa Sierra stickseed, Sierran stickseed

native
Perennial herb

Hackelia setosa Bristly stickseed

native
Perennial herb

Hackelia sharsmithii Sharsmith's stickseed

• rare native
Perennial herb

Hackelia velutina Velvet stickseed, Velvety stickseed

native
Perennial herb

Hainardia cylindrica Barbgrass, Monerma, Thin tail

non-native
Annual grass

Halimodendron halodendron Common salttree, Russian salt tree

• invasive non-native
Shrub

Halimolobos jaegeri Jaeger's halimolobos, Mojave halimolobos, Rock mustard

native
Perennial herb

Halogeton glomeratus Halogeton, Saltlover

• invasive non-native
Annual herb

Hamamelis virginiana American witchhazel

non-native
Tree

HAMAMELIDACEAE

Harmonia doris-nilesiae Niles's harmonia

• rare native
Annual herb

Harmonia guggolziorum Guggolz's harmonia

• rare native
Annual herb

Harmonia hallii Hall's harmonia

• rare native
Annual herb

Harmonia nutans Nodding harmonia

• rare native
Annual herb

Harmonia stebbinsii Stebbins's harmonia

• rare native
Annual herb

Harpagonella palmeri Palmer's grapplinghook

• rare native
Annual herb

Hastingsia alba Reed lily, White bog hastingsia, White hastingsia

native
Perennial herb

Schoenolirion album Reed lily, White bog hastingsia, White hastingsia

native
Perennial herb

Hastingsia serpenticola Klamath rushlily, Siskiyou hastingsia

native
Perennial herb

Hastingsia serpentinicola Klamath rushlily, Siskiyou hastingsia

native
Perennial herb

Hazardia brickellioides Brickellbush goldenweed, Brickellia leaved hazardia

native
Shrub

Hazardia cana Guadalupe hazardia, Island hazardia, San clemente island hazardia

• rare native
Shrub

Hazardia detonsa Island bristleweed, Island hazardia, Northern island haplopappus

• rare native
Shrub

Hazardia orcuttii Orcutt's bristleweed, Orcutt's hazardia

• rare native
Shrub

Hazardia squarrosa Saw toothed goldenbush, Sawtooth goldenbush

native
Shrub

Hazardia squarrosa var. grindelioides Gum plant goldenbush, Saw toothed goldenbush, Sawtooth bristleweed

native
Shrub

Hazardia squarrosa var. obtusa Saw toothed goldenbush, Sawtooth bristleweed

native
Shrub

Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush

native
Shrub

Hazardia whitneyi Whitney's bristleweed

native
Perennial herb

Hazardia whitneyi var. discoidea Rayless whitney's goldenbush, Whitney's bristleweed

native
Perennial herb

Hazardia whitneyi var. whitneyi Whitney's bristleweed, Whitney's goldenbush, Whitney's hazardia

native
Perennial herb

Hebe speciosa New zealand hebe, Showy hebe

non-native
Shrub

Hebe Xfranciscana Hebe

non-native
Shrub

Hecastocleis shockleyi Shockley's prickleleaf

• rare native
Shrub

Hedeoma drummondii Drummond's false pennyroyal

• rare native
Shrub (stem succulent)

Hedeoma nana Dwarf false pennyroyal

native
Perennial herb

Hedeoma nana ssp. californica California false pennyroyal

• rare native
Perennial herb

Hedeoma nanum var. californicum Mock pennyroyal

native
Perennial herb

Hedera canariensis Canary ivy, Algerian ivy

• invasive non-native
Vine

Hedera helix English ivy

• invasive non-native
Vine, Shrub

Hedwigia detonsa

native
Moss

HEDWIGIACEAE

Hedwigia stellata

native
Moss

HEDWIGIACEAE

Hedychium flavescens Cream garland lily

non-native
Perennial herb

ZINGIBERACEAE

Hedychium gardnerianum Kahila garland-lily

non-native
Perennial herb

ZINGIBERACEAE

Hedypnois cretica Crete weed

non-native
Annual herb

Hedypnois rhagadioloides Crete weed

non-native
Annual herb

Helenium amarum Yellow sneezeweed, Yellowdicks

non-native
Annual herb

Helenium amarum var. badium Yellow sneezeweed, Yellowdicks

non-native
Annual herb

Helenium amarum var. amarum Yellowdicks

non-native
Annual herb

Helenium autumnale Common sneezeweed

native
Perennial herb

Helenium autumnale var. grandiflorum Common sneezeweed

native
Perennial herb

Helenium autumnale var. montanum Common sneezeweed

native
Perennial herb

Helenium bigelovii Bigelow's sneezeweed, Sneezeweed

native
Perennial herb

Helenium bolanderi Bolander's sneezeweed, Coastal sneezeweed

native
Perennial herb

Helenium puberulum Rosilla, Sneezeweed

native
Perennial herb

Helianthella californica California helianthella

native
Perennial herb

Helianthella californica var. californica California helianthella

native
Perennial herb

Helianthella californica var. californica

Helianthella californica var. nevadensis California helianthella, Nevada helianthella, Sierra helianthella

native
Perennial herb

Helianthella californica var. nevadensis

Helianthella californica var. shastensis Shasta helianthella

native
Perennial herb

Helianthella californica var. shastensis

Helianthella castanea Mt. diablo helianthella

• rare native
Perennial herb

Helianthus angustifolius Swamp sunflower

non-native
Annual, Perennial herb

Helianthus annuus Common sunflower, Hairy leaved sunflower, Sunflower

native
Annual herb

Helianthus bolanderi Bolander's sunflower, Serpentine sunflower

native
Annual, Perennial herb

Helianthus californicus California sunflower

native
Perennial herb

Helianthus ciliaris Texas blueweed

• invasive non-native
Perennial herb

Helianthus cusickii Cusick's sunflower

native
Perennial herb

Helianthus exilis Serpentine sunflower

• rare native
Annual herb

Helianthus gracilentus Slender sunflower

native
Perennial herb

Helianthus inexpectatus Newhall sunflower

• rare native
Perennial herb

Helianthus laciniatus Alkali sunflower

non-native
Annual, Perennial herb

Helianthus maximilianii Maximilian sunflower

non-native
Perennial herb

Helianthus niveus Desert sunflower, Showy sunflower, Silver leaved sunflower

native
Annual, Perennial herb

Helianthus niveus ssp. tephrodes Algodones dunes sunflower, Algodones sunflower

• rare native
Perennial herb

Helianthus nuttallii Nuttall's sunflower

native
Perennial herb

Helianthus nuttallii ssp. rydbergii Nuttall's sunflower

native
Perennial herb

Helianthus nuttallii ssp. nuttallii Nuttall's sunflower

native
Perennial herb

Helianthus petiolaris Prairie sunflower

non-native
Perennial herb

Helianthus niveus ssp. canescens Gray desert sunflower

native
Annual, Perennial herb

Helianthus petiolaris ssp. canescens Gray desert sunflower

native
Annual, Perennial herb

Helianthus petiolaris ssp. petiolaris Prairie sunflower

non-native
Perennial herb

Helianthus tuberosus Jerusalem artichoke

• invasive non-native
Perennial herb

Helianthus winteri Winter's sunflower

• rare native
Shrub

Helichrysum petiolare Licorice plant

• invasive non-native
Shrub, Vine

Heliomeris multiflora Showy goldeneye

native
Perennial herb

Heliomeris multiflora var. multiflora Showy goldeneye

native
Perennial herb

Heliomeris multiflora var. nevadensis Golden eye, Nevada goldeneye

native
Perennial herb

Heliotropium amplexicaule Clasping heliotrope

• invasive non-native
Perennial herb

Heliotropium convolvulaceum Phlox heliotrope

native
Annual herb

Heliotropium convolvulaceum var. californicum Morning glory heliotrope, Phlox heliotrope

native
Annual herb

Heliotropium convolvulaceum var. californicum

Heliotropium curassavicum Chinese parsley, Heliotrope, Salt heliotrope

native
Perennial herb

Heliotropium curassavicum var. oculatum Alkali heliotrope, Seaside heliotrope

native
Perennial herb

Heliotropium europaeum European heliotrope

non-native
Annual herb

Helipterum roseum

non-native
Annual herb

Helminthotheca echioides Bristly ox-tongue

• invasive non-native
Annual, Perennial herb

Picris echioides Bristly ox-tongue

• invasive non-native
Annual, Perennial herb

Helodium blandowii Blandow's helodium moss

• rare native
Moss

HELODIACEAE

Hemerocallis fulva Orange daylily

non-native
Perennial herb (bulb)

Hemieva ranunculifolia Buttercup-leaf suksdorfia

• rare native
Perennial herb

Hemitomes congestum Coneplant, Gnome plant

native
Perennial herb (mycoparasitic)

Hemizonella minima Opposite leaved tarweed

native
Annual herb

Madia minima Opposite leaved tarweed

native
Annual herb

Hemizonia congesta Hayfield tarweed

native
Annual herb

Hemizonia congesta ssp. calyculata Hayfield tarweed, Mendocino tarplant

• rare native
Annual herb

Hemizonia congesta ssp. clevelandii Cleveland's tarweed, Hayfield tarweed

native
Annual herb

Hemizonia congesta ssp. congesta Hayfield tarweed

• rare native
Annual herb

Hemizonia congesta ssp. lutescens Hayfield tarweed

native
Annual herb

Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed

native
Annual herb

Hemizonia congesta ssp. tracyi Hayfield tarweed, Tracy's tarplant

• rare native
Annual herb

Heracleum lanatum Common cow parsnip

native
Perennial herb

Heracleum maximum Common cow parsnip

native
Perennial herb

Heracleum sphondylium Common cow parsnip

native
Perennial herb

Heracleum sphondylium ssp. montanum Common cow parsnip

native
Perennial herb

Herissantia crispa Bladdermallow, Curly herissantia

• rare native
Annual, Perennial herb

Herniaria hirsuta Hairy rupturewort, Herniaria

non-native
Annual herb

Herniaria hirsuta ssp. cinerea Herniaria

non-native
Annual herb

Herniaria hirsuta var. cinerea Herniaria

non-native
Annual herb

Herniaria hirsuta var. hirsuta Herniaria

non-native
Annual herb

Hesperevax acaulis Dwarf evax, Stemless dwarf cudweed

native
Annual herb

Hesperevax acaulis var. acaulis Dwarf evax, Stemless dwarf cudweed

native
Annual herb

Hesperevax acaulis var. ambusticola Fire evax, Stemless dwarf cudweed

native
Annual herb

Hesperevax acaulis var. robustior Big evax, Stemless dwarf cudweed

native
Annual herb

Hesperevax caulescens Dwarf dwarf cudweed, Hogwallow starfish

• rare native
Annual herb

Hesperevax sparsiflora var. brevifolia Short leaved evax, Shortleaf dwarf cudweed

• rare native
Annual herb

Hesperevax sparsiflora var. sparsiflora Erect dwarf cudweed, Few flowered evax

native
Annual herb

Hesperidanthus jaegeri Jaeger's hesperidanthus

• rare native
Perennial herb

Hesperis matronalis Dame's rocket, Dames rocket, Rocket

non-native
Biennial, Perennial herb

Hesperocallis undulata Desert lily

native
Perennial herb

Hesperochiron californicus California hesperochiron

native
Perennial herb

Hesperochiron pumilus Dwarf hesperochiron

native
Perennial herb

Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle

native
Annual herb

Hesperocyparis abramsiana Santa cruz cypress

native
Tree

Hesperocyparis abramsiana var. abramsisana Santa cruz cypress

native
Tree

Hesperocyparis abramsiana var. abramsisana

Hesperocyparis abramsiana var. abramsiana Santa cruz cypress

• rare native
Tree

Hesperocyparis abramsiana var. abramsiana

Hesperocyparis abramsiana var. butanoensis Santa cruz cypress

• rare native
Tree

Hesperocyparis abramsiana var. butanoensis

Callitropsis bakeri Baker's cypress

• rare native
Tree

Cupressus bakeri Baker's cypress

• rare native
Tree

Hesperocyparis bakeri Baker's cypress

• rare native
Tree

Cupressus forbesii Tecate cypress

• rare native
Tree

Hesperocyparis forbesii Tecate cypress

• rare native
Tree

Cupressus goveniana Gowen cypress

• rare native
Tree

Hesperocyparis goveniana Gowen cypress

• rare native
Tree

Cupressus macnabiana Macnab cypress

native
Tree, Shrub

Hesperocyparis macnabiana Macnab cypress

native
Tree, Shrub

Cupressus macrocarpa Monterey cypress

native
Tree

Hesperocyparis macrocarpa Monterey cypress

native
Tree

Cupressus arizonica var. nevadensis Piute cypress

• rare native
Tree

Hesperocyparis nevadensis Piute cypress

• rare native
Tree

Hesperocyparis pigmaea Pygmy cypress

native
Tree

Cupressus goveniana ssp. pygmaea Pygmy cypress

• rare native
Tree

Cupressus pygmaea Pygmy cypress

• rare native
Tree

Hesperocyparis pygmaea Pygmy cypress

• rare native
Tree

Cupressus sargentii Sargent cypress

native
Tree, Shrub

Hesperocyparis sargentii Sargent cypress

native
Tree, Shrub

Cupressus arizonica Cuyamaca cypress

• rare native
Tree

Cupressus arizonica var. glabra Cuyamaca cypress

• rare native
Tree

Cupressus stephensonii Cuyamaca cypress

• rare native
Tree

Hesperocyparis stephensonii Cuyamaca cypress

• rare native
Tree

Hesperolinon adenophyllum Glandular dwarf flax, Glandular western flax

• rare native
Annual herb

Hesperolinon bicarpellatum Two carpellate western flax, Twocarpel dwarf flax

• rare native
Annual herb

Hesperolinon serpentinum Two carpellate western flax, Twocarpel dwarf flax

• rare native
Annual herb

Hesperolinon breweri Brewer's dwarf flax, Brewer's western flax

• rare native
Annual herb

Hesperolinon californicum California western flax, California dwarf flax

native
Annual herb

Hesperolinon clevelandii Allen springs dwarf flax, Allen springs western flax

native
Annual herb

Hesperolinon congestum Marin dwarf flax, Marin western flax

• rare native
Annual herb

Hesperolinon disjunctum Coast range dwarf flax, Coast range western flax

native
Annual herb

Hesperolinon drymarioides Drymaria like western flax, Drymary dwarf flax

• rare native
Annual herb

Hesperolinon micranthum Common dwarf flax, Small flower western flax, Small flowered dwarf flax

native
Annual herb

Hesperolinon sharsmithiae Sharsmith's western flax

• rare native
Annual herb

Hesperolinon spergulinum Slender dwarf flax, Slender western flax

native
Annual herb

Hesperolinon tehamense Paskenta grade dwarf flax, Tehama county western flax

• rare native
Annual herb

Hesperomecon linearis Narrowleaf queen poppy

native
Annual herb

Hesperoyucca whipplei Chaparral yucca

native
Shrub

Hesperoyucca whipplei var. eremica Chaparral yucca

native
Shrub

Hesperoyucca whipplei var. newberryi Chaparral yucca

native
Shrub

Yucca whipplei Chaparral yucca

native
Shrub

Yucca whipplei ssp. eremica Chaparral yucca

native
Shrub

Yucca whipplei ssp. parishii Chaparral yucca

native
Shrub

Yucca whipplei var. eremica Chaparral yucca

native
Shrub

Heteranthemis viscidihirta Sand chrysanthemum

non-native
Annual herb

Heteranthera dubia Grassleaf mudplantain, Water star grass

• rare native
Perennial herb

Heteranthera limosa Blue mud plantain, Blue mudplantain

non-native
Perennial herb

Heterocodon rariflorum Few flowered heterocodon, Rareflower heterocodon, Western pear flower

native
Annual herb

Heteromeles arbutifolia Christmas berry, Toyon

native
Shrub

Heteropogon contortus Tanglehead

native
Perennial grass

Heterotheca grandiflora Telegraph weed, Telegraphweed

native
Annual, Perennial herb

Heterotheca monarchensis Sequoia false goldenaster

• rare native
Perennial herb

Heterotheca oregona Oregon false goldenaster, Oregon golden aster

native
Perennial herb

Heterotheca oregona var. compacta Compact oregon goldenaster, Oregon false goldenaster

native
Perennial herb

Heterotheca oregona var. oregona Oregon false goldenaster, Oregon goldenaster

native
Perennial herb

Heterotheca oregona var. rudis Oregon false goldenaster, Red oregon goldenaster

native
Perennial herb

Heterotheca oregona var. scaberrima Oregon false goldenaster, Rough oregon goldenaster

native
Perennial herb

Heterotheca sessiliflora Golden aster, Sessileflower false goldenaster

native
Annual herb

Heterotheca sessiliflora ssp. bolanderi Bolander's goldenaster, Golden aster, Sessileflower false goldenaster

native
Perennial herb

Heterotheca sessiliflora ssp. echioides Bristly goldenaster, Sessileflower false goldenaster

native
Perennial herb

Heterotheca sessiliflora ssp. fastigiata Erect goldenaster, Sessileflower false goldenaster

native
Perennial herb

Heterotheca sessiliflora ssp. fastigiata

Heterotheca sessiliflora ssp. sessiliflora Sessileflower false goldenaster

• rare native
Perennial herb

Heterotheca sessiliflora ssp. sessiliflora

Heterotheca shevockii Shevock's golden aster

• rare native
Perennial herb

Heterotheca subaxillaris Camphorweed

native
Perennial herb

Heterotheca subaxillaris ssp. subaxillaris Camphorweed

native
Perennial herb

Heterotheca subaxillaris ssp. subaxillaris

Heterotheca subaxillaris ssp. latifolia Camphor weed

native
Annual, Perennial herb

Chrysopsis villosa Hairy false goldenaster, Hairy goldenaster

native
Perennial herb

Heterotheca villosa Hairy false goldenaster, Hairy goldenaster

native
Perennial herb

Heterotheca villosa var. ballardii Hairy false goldenaster, Hairy goldenaster

native
Perennial herb

Heterotheca villosa var. nana Hairy false goldenaster, Hairy goldenaster

native
Perennial herb

Heterotheca villosa var. pedunculata Hairy false goldenaster, Hairy goldenaster

native
Perennial herb

Heterotheca villosa var. villosa Hairy false goldenaster, Hairy goldenaster

native
Perennial herb

Heterotheca villosa var. minor Hairy false goldenaster

native
Perennial herb

Heuchera abramsii Abrams's alumroot, San gabriel alumroot

• rare native
Perennial herb (rhizomatous)

Heuchera caespitosa Urn-flowered alumroot

• rare native
Perennial herb

Heuchera elegans Urn-flowered alumroot

• rare native
Perennial herb

Heuchera cylindrica Roundleaf alumroot, Alpine alumroot

native
Perennial herb

Heuchera cylindrica var. alpina Roundleaf alumroot, Alpine alumroot

native
Perennial herb

Heuchera cylindrica var. glabella Roundleaf alumroot, Alpine alumroot

native
Perennial herb

Heuchera hirsutissima Shaggy haired alumroot, Shaggyhair alumroot

• rare native
Perennial herb (rhizomatous)

Heuchera maxima Island alum root, Island alumroot, Jill of the rocks

• rare native
Perennial herb (rhizomatous)

Heuchera merriamii Merriam's alumroot

native
Perennial herb

Heuchera micrantha Alum root, Crevice alumroot

native
Perennial herb

Heuchera micrantha ssp. erubescens Alum root, Crevice alumroot

native
Perennial herb

Heuchera micrantha var. diversifolia Alum root, Crevice alumroot

native
Perennial herb

Heuchera parishii Mill creek alumroot, Parish's alumroot

• rare native
Perennial herb (rhizomatous)

Heuchera parvifolia Littleleaf alumroot

native
Perennial herb (rhizomatous)

Heuchera parvifolia var. utahensis Littleleaf alumroot

native
Perennial herb (rhizomatous)

Heuchera pilosissima Alum root, Seaside alumroot

native
Perennial herb

Heuchera rubescens Pink alumroot

native
Perennial herb

Heuchera rubescens var. versicolor Pink alumroot, San diego county alumroot

• rare native
Perennial herb (rhizomatous)

Heuchera sanguinea Coralbells

non-native
Perennial herb

Hibiscus denudatus Paleface, Rock Hibiscus

native
Perennial herb

Hibiscus lasiocarpos Rose mallow

native
Perennial herb (rhizomatous)

Hibiscus lasiocarpos var. occidentalis Woolly rose-mallow

• rare native
Perennial herb

Hibiscus lasiocarpus Woolly rose-mallow

• rare native
Perennial herb

Hibiscus rosa-sinensis Shoeblackplant

non-native
Perennial herb

Hibiscus syriacus Rose of sharon

non-native
Perennial herb

Hibiscus trionum Flower of an hour

non-native
Annual herb

Hieracium albiflorum White flowered hawkweed, White hawkweed

native
Perennial herb

Hieracium argutum Southern hawkweed

native
Perennial herb

Hieracium aurantiacum Orange flowered hawkweed, Orange hawkweed

non-native
Perennial herb

Hieracium bolanderi Bolander's hawkweed

native
Perennial herb

Hieracium greenei Greene's hawkweed

native
Perennial herb

Hieracium horridum Prickly hawkweed, Shaggy hawkweed

native
Perennial herb

Hieracium nudicaule Naked stemmed scouler's hawkweed

native
Perennial herb

Hieracium parryi Scouler's woollyweed

native
Perennial herb

Hieracium cynoglossoides Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed

native
Perennial herb

Hieracium scouleri Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed

native
Perennial herb

Hieracium gracile Woolly hawkweed

native
Perennial herb

Hieracium triste Woolly hawkweed

native
Perennial herb

Hilaria jamesii Galleta

native
Perennial grass

Pleuraphis jamesii Galleta

native
Perennial grass

Hilaria rigida Big galleta

native
Perennial grass

Pleuraphis rigida Big galleta

native
Perennial grass

Hippuris vulgaris Common mare's tail, Common mares tail, Mare's tail

native
Perennial herb (aquatic)

Brassica geniculata Mediterranean hoary mustard, Short podded mustard, Summer mustard

• invasive non-native
Perennial herb

Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard

• invasive non-native
Perennial herb

Hoffmannseggia drepanocarpa Sicklepod holdback

non-native
Shrub

Hoffmannseggia glauca Hoffmanseggia, Hog potato, Indian rushpea

native
Perennial herb

Hoffmannseggia microphylla Wand holdback

native
Shrub

Hoita macrostachya California hemp, Large leather root

native
Perennial herb

Psoralea macrostachya California hemp, Large leather root

native
Perennial herb

Hoita orbicularis Creeping leather root, Round leaved psoralea, Roundleaf leather root

native
Perennial herb

Hoita strobilina Loma prieta psoralea

• rare native
Perennial herb

Holcus lanatus Common velvetgrass, Velvet grass, Velvetgrass

• invasive non-native
Perennial grass

Holcus mollis Creeping velvetgrass

non-native
Perennial grass

Hollisteria lanata False spikeflower, False spineflower

native
Annual herb

Holmgrenanthe petrophila Rocklady

• rare native
Perennial herb

Holocarpha heermannii Heermann's tarweed

native
Annual herb

Holocarpha macradenia Santa cruz tarplant

• rare native
Annual herb

Holocarpha obconica San joaquin tarweed

native
Annual herb

Holocarpha virgata Narrow tarplant, Pitgland tarweed, Yellowflower tarweed

native
Annual herb

Holocarpha virgata ssp. elongata Graceful tarplant, Wand tarbush

• rare native
Annual herb

Holocarpha virgata ssp. virgata Narrow tarplant, Yellowflower tarweed

native
Annual herb

Holodiscus discolor Cream bush, Ocean spray, Oceanspray

native
Shrub

Holodiscus discolor var. dumosus Cream bush, Ocean spray, Oceanspray

native
Shrub

Holodiscus dumosus Cream bush, Ocean spray, Oceanspray

native
Shrub

Holodiscus dumosus var. cedorus Cream bush, Ocean spray, Oceanspray

native
Shrub

Holodiscus dumosus var. cedrorum Cream bush, Ocean spray, Oceanspray

native
Shrub

Holodiscus glabrescens Cream bush, Ocean spray, Oceanspray

native
Shrub

Holodiscus discolor var. discolor Oceanspray

native
Shrub

Holodiscus discolor var. glabrescens Rock spiraea

native
Shrub

Holodiscus microphyllus var. glabrescens Rock spiraea

native
Shrub

Holodiscus microphyllus var. glabrescens

Holodiscus discolor var. microphyllus Small-leaf creambush

native
Shrub

Holodiscus microphyllus var. microphyllus Small-leaf creambush

native
Shrub

Holodiscus microphyllus var. microphyllus

Holosteum umbellatum Jagged chickweed

non-native
Annual herb

Holozonia filipes Greene's white crown, Holozonia, Whitecrown

native
Perennial herb

Homalocladium platycladum Ribbonbush

non-native
Perennial herb

Chlorogalum parviflorum

native
Perennial herb

Chlorogalum purpureum

native
Perennial herb

Hordeum arizonicum Arizona barley, Arizona foxtail

native
Annual grass

Hordeum brachyantherum Meadow barley

native
Perennial grass

Hordeum brachyantherum ssp. brachyantherum Meadow barley

native
Perennial grass

Hordeum brachyantherum ssp. brachyantherum

Hordeum brachyantherum ssp. californicum California barley, California meadow barley

native
Perennial grass

Hordeum brachyantherum ssp. californicum

Hordeum depressum Alkali barley, Dwarf barley, Low barley

native
Annual grass

Hordeum intercedens Bobtail barley, Little barley, Vernal barley

• rare native
Annual grass

Hordeum jubatum Fox tail barley, Foxtail barley, Squirreltail barley

native
Perennial grass

Hordeum jubatum ssp. jubatum Foxtail barley, squirreltail barley

native
Perennial grass

Hordeum marinum Seaside barley

• invasive non-native
Annual grass

Hordeum marinum ssp. gussoneanum Barley, Mediterranean barley

non-native
Annual grass

Hordeum murinum Farmer's foxtail, Foxtail barley, Mouse barley

• invasive non-native
Annual grass

Hordeum murinum ssp. glaucum Blue foxtail, Smooth barley

non-native
Annual grass

Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley

non-native
Annual grass

Hordeum vulgare Common barley

non-native
Annual grass

Horkelia bolanderi Bolander's horkelia, Border horkelia

• rare native
Perennial herb

Horkelia californica California horkelia

native
Perennial herb

Horkelia californica var. californica California horkelia

native
Perennial herb

Horkelia californica var. elata California horkelia

native
Perennial herb

Horkelia californica var. frondosa California horkelia

native
Perennial herb

Horkelia clevelandii Cleveland's horkelia

native
Perennial herb

Horkelia clevelandii var. clevelandii Cleveland's horkelia

native
Perennial herb

Horkelia congesta ssp. nemorosa Josephine horkelia

• rare native
Perennial herb

Horkelia congesta var. nemorosa Josephine horkelia

• rare native
Perennial herb

Horkelia cuneata Wedge leaf horkelia, Wedge leaved horkelia, Wedgeleaf horkelia

native
Perennial herb

Horkelia cuneata var. cuneata Wedge leaved horkelia

native
Perennial herb

Horkelia cuneata var. puberula Mesa horkelia

• rare native
Perennial herb

Horkelia cuneata var. sericea Kellogg's horkelia

• rare native
Perennial herb

Horkelia daucifolia Carrot leafed horkelia, Carrotleaf horkelia

native
Perennial herb

Horkelia daucifolia var. caruifolia Carrot leafed horkelia, Carrotleaf horkelia

native
Perennial herb

Horkelia daucifolia var. daucifolia Carrot leafed horkelia

native
Perennial herb

Horkelia daucifolia var. indicta Jepson's horkelia

• rare native
Perennial herb

Horkelia fusca Dusky horkelia, Pinewoods horkelia, Tawny horkelia

native
Perennial herb

Horkelia fusca var. brownii Tawny horkelia

native
Perennial herb

Horkelia fusca var. parviflora Tawny horkelia

native
Perennial herb

Horkelia fusca var. tenella Tawny horkelia

native
Perennial herb

Horkelia hendersonii Henderson's horkelia

• rare native
Perennial herb

Horkelia hispidula White mountain horkelia, White mtns. horkelia

• rare native
Perennial herb

Horkelia howellii Howell's horkelia

native
Perennial herb

Horkelia marinensis Point reyes horkelia

• rare native
Perennial herb

Horkelia parryi Parry horkelia, Parry's horkelia

• rare native
Perennial herb

Horkelia rydbergii Rydberg's horkelia

native
Perennial herb

Horkelia sericata Howell's horkelia, Silky horkelia

• rare native
Perennial herb

Horkelia tenuiloba Santa rosa horkelia, Thin lobed horkelia

• rare native
Perennial herb

Horkelia tridentata Three toothed horkelia, Threetooth horkelia

native
Perennial herb

Horkelia tridentata var. flavescens Three toothed horkelia

native
Perennial herb

Horkelia tridentata ssp. tridentata Three toothed horkelia

native
Perennial herb

Horkelia tridentata var. tridentata Three toothed horkelia

native
Perennial herb

Horkelia truncata Ramona horkelia

• rare native
Perennial herb

Horkelia tularensis Kern plateau horkelia, Tulare cinquefoil

• rare native
Perennial herb

Horkelia wilderae Barton flats horkelia

• rare native
Perennial herb

Horkelia yadonii Santa lucia horkelia

• rare native
Perennial herb (rhizomatous)

Horkeliella congdonis Congdon's false horkelia, Congdon's little horkelia

native
Perennial herb

Horkeliella purpurascens Purple false horkelia, Purple horkelia

native
Perennial herb

Hornungia procumbens Prostrate hutchinsia

non-native

Horsfordia alata Pink velvet mallow, Pink velvetmallow

• rare native
Shrub

Horsfordia newberryi Newberry's velvet mallow, Newberry's velvetmallow

• rare native
Perennial herb

Hosackia crassifolia Broad leaved lotus

native
Perennial herb

Hosackia crassifolia var. crassifoia Broad leaved lotus

native
Perennial herb

Hosackia crassifolia var. crassifolia Broad leaved lotus

native
Perennial herb

Lotus crassifolius var. crassifolius Broad leaved lotus

native
Perennial herb

Hosackia crassifolia var. otayensis Otay mountain hosackia

• rare native
Perennial herb

Lotus crassifolius var. otayensis Otay mountain hosackia

• rare native
Perennial herb

Hosackia gracilis Harlequin lotus

• rare native
Perennial herb

Lotus formosissimus Harlequin lotus

• rare native
Perennial herb

Hosackia incana Woolly lotus

native
Perennial herb

Hosackia oblongifolia Narrow leaved lotus

native
Perennial herb

Lotus oblongifolius Narrow leaved lotus

native
Perennial herb

Hosackia oblongifolia var. cuprea Copper-flowered bird's-foot trefoil

• rare native
Perennial herb

Hosackia oblongifolia var. oblongifolia Narrow leaved lotus

native
Perennial herb

Lotus oblongifolius var. oblongifolius Narrow leaved lotus

native
Perennial herb

Hosackia pinnata Pinnate lotus

native
Perennial herb

Hosackia rosea Rose flowered lotus

native
Perennial herb

Hosackia stipularis Stipulate lotus

native
Perennial herb

Lotus stipularis Stipulate lotus

native
Perennial herb

Hosackia stipularis var. ottleyi Ottley's stipulate lotus

native
Perennial herb

Lotus stipularis var. ottleyi Ottley's stipulate lotus

native
Perennial herb

Hosackia stipularis var. stipularis Stipulate lotus

native
Perennial herb

Hosackia yollabolliensis Yolla bolly mtns. bird's-foot trefoil

• rare native
Perennial herb

Howellanthus dalesianus Scott mountain phacelia

• rare native
Perennial herb

Howellia aquatilis Water howellia

• rare native
Annual herb (aquatic)

Hulsea algida High mountain hulsea, Pacific hulsea

native
Perennial herb

Hulsea brevifolia Short leaved hulsea, Shortleaf alpinegold

• rare native
Perennial herb

Hulsea californica San diego alpinegold, San diego sunflower

• rare native
Perennial herb

Hulsea heterochroma Red rayed hulsea, Redray alpinegold

native
Perennial herb

Hulsea mexicana Mexican alpinegold, Mexican hulsea

• rare native
Annual, Perennial herb

Hulsea nana Dwarf alpinegold, Dwarf hulsea

• rare native
Perennial herb

Hulsea vestita Pumice alpinegold, Pumice hulsea

native
Perennial herb

Hulsea vestita ssp. callicarpha Beautiful hulsea, Pumice alpinegold

• rare native
Perennial herb

Hulsea vestita ssp. gabrielensis Pumice alpinegold, San gabriel mtns. sunflower

• rare native
Perennial herb

Hulsea vestita ssp. inyoensis Inyo hulsea, Pumice alpinegold

• rare native
Perennial herb

Hulsea vestita ssp. parryi Parry's alpinegold, Parry's hulsea, Parry's sunflower

• rare native
Perennial herb

Hulsea vestita ssp. pygmaea Pygmy alpinegold, Pygmy hulsea

• rare native
Perennial herb

Hulsea vestita ssp. vestita Pumice alpinegold, Pumice hulsea

native
Perennial herb

Humulus lupulus Common hop, Hops

non-native
Perennial herb

Hunnemannia fumariifolia Mexican tulip poppy

non-native
Perennial herb

Hyacinthus orientalis Garden hyacinth

non-native
Perennial herb

Hydrangea arborescens Wild hydrangea

non-native
Shrub

Hydrilla verticillata Hydrilla, Waterthyme

• invasive non-native
Perennial herb

Hydrocharis morsus-ranae Common frogbit

non-native
Perennial herb

Hydrocotyle ranunculoides Floating marsh pennywort, Floating marshpennywort, Marsh pennywort

native
Perennial herb

Hydrocotyle sibthorpioides Lawn marsh pennywort, Lawn marshpennywort

non-native
Perennial herb

Hydrocotyle umbellata Manyflower marshpennywort, Marsh pennywort

native
Perennial herb

Hydrocotyle verticillata Whorled marsh pennywort, Whorled marshpennywort

native
Perennial herb

Hydrocotyle verticillata var. triradiata Whorled marsh pennywort, Whorled marshpennywort

native
Perennial herb

Hydrocotyle verticillata var. triradiata

Hydrophyllum alpestre Alpine breeches

native
Perennial herb

Hydrophyllum capitatum var. alpinum Alpine breeches

native
Perennial herb

Hydrophyllum canadense Bluntleaf waterleaf

non-native
Perennial herb

Hydrophyllum capitatum Ballhead waterleaf

native
Perennial herb

Hydrophyllum capitatum var. capitatum Ballhead waterleaf

native
Perennial herb

Hydrophyllum fendleri Fendler's waterleaf

native
Perennial herb

Hydrophyllum fendleri var. albifrons White fendler's waterleaf, White waterleaf

native
Perennial herb

Hydrophyllum occidentale California waterleaf, Western waterleaf

native
Perennial herb

Hydrophyllum tenuipes Pacific waterleaf

native
Perennial herb

Hygrophila polysperma Indian swampweed

non-native
Tree

Hymenopappus filifolius Columbia cutleaf, Fineleaf hymenopappus

native
Perennial herb

Hymenopappus filifolius var. polycephalus Columbia cutleaf, Fineleaf hymenopappus

native
Perennial herb

Hymenopappus filifolius var. polycephalus

Hymenopappus filifolius var. eriopodus Fineleaf hymenopappus, Hairy podded columbia cutleaf

• rare native
Perennial herb

Hymenopappus filifolius var. lugens Columbia cutleaf, Idaho hymenopappus

native
Perennial herb

Hymenopappus filifolius var. megacephalus Fineleaf hymenopappus, Large headed columbia cutleaf

native
Perennial herb

Hymenopappus filifolius var. megacephalus

Hymenopappus filifolius var. nanus Dwarf columbia cutleaf, Fineleaf hymenopappus

• rare native
Perennial herb

Hymenosporum flavum

non-native
Tree, Shrub

Amauriopsis dissecta Ragged leaf bahia

native
Perennial herb

Bahia dissecta Ragged leaf bahia

native
Perennial herb

Hymenothrix loomisii Loomis' thimblehead

non-native
Annual, Perennial herb

Hymenothrix wrightii Wright's thimblehead

• rare native
Perennial herb

Hymenoxys cooperi Cooper goldflower, Cooper's goldflower, Cooper's rubberweed

native
Perennial herb

Dugaldia hoopesii Owl's claws

native
Perennial herb

Hymenoxys hoopesii Owl's claws

native
Perennial herb

Hymenoxys lemmonii Lemmon's goldflower, Lemmon's rubberweed

• rare native
Perennial herb

Hymenoxys odorata Bitter rubberweed, Fragrant bitter weed

• rare native
Annual herb

Hyoscyamus niger Black henbane

non-native
Annual herb

Hyparrhenia hirta Thatching grass

• invasive non-native
Perennial grass

Hypericum anagalloides Creeping st. john's wort, Tinker's penny

native
Annual, Perennial herb

Hypericum androsaemum Sweet amber

• invasive non-native
Shrub

Hypericum calycinum Aaron's beard

non-native
Shrub

Hypericum canariense Canary island st. johnswort

• invasive non-native
Shrub

Hypericum concinnum Gold wire, Goldwire

native
Perennial herb

Hypericum formosum St john's wort

native
Perennial herb

Hypericum grandifolium malfurada

• invasive non-native
Shrub

Hypericum mutilum ssp. mutilum Dwarf st john's wort

non-native
Perennial herb

Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed

• invasive non-native
Perennial herb

Hypericum formosum ssp. scouleri Scouler's St John's wort

native
Perennial herb

Hypericum formosum var. scouleri Scouler's St John's wort

native
Perennial herb

Hypericum scouleri Scouler's St John's wort

native
Perennial herb

Hypericum scouleri ssp. nortonia Scouler's St John's wort

native
Perennial herb

Hypericum scouleri var. scouleri Scouler's St John's wort

native
Perennial herb

Hypochaeris glabra Smooth cat's ear

• invasive non-native
Annual herb

Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear

• invasive non-native
Perennial herb

Iberis sempervirens Evergreen candytuft

non-native
Annual herb

Idahoa scapigera Oldstem idahoa

native
Annual herb

Ilex aquifolium English holly, Holly

• invasive non-native
Tree, Shrub

AQUIFOLIACEAE

Ilex cornuta Chinese holly

non-native
Tree, Shrub

AQUIFOLIACEAE

Ilex opaca American holly

non-native
Tree, Shrub

AQUIFOLIACEAE

Iliamna bakeri Baker's globe mallow, Baker's wild hollyhock

• rare native
Perennial herb

Iliamna latibracteata California globe mallow, California wild hollyhock

• rare native
Perennial herb

Iliamna rivularis Streambank wild hollyhock

native
Perennial herb

Iliamna rivularis var. rivularis Streambank wild hollyhock

native
Perennial herb

Impatiens balfourii Balfour's touch me not

non-native
Perennial herb

Impatiens capensis Jewelweed

non-native
Perennial herb

Impatiens glandulifera Ornamental jewelweed

non-native
Perennial herb

Impatiens noli-tangere Western touch me not

non-native
Annual herb

Impatiens walleriana Buzzy lizzy

non-native
Perennial herb

Imperata brevifolia California satintail

• rare native
Perennial grass

Inula helenium Elecampane inula

non-native
Perennial herb

Ionactis alpina Lava aster

native
Perennial herb

Ipheion uniflorum Spring star flower

non-native
Perennial herb

Ipomoea alba Tropical white morning-glory

non-native
Annual herb, Vine

Ipomoea cairica Mile a minute vine

non-native
Vine

Ipomoea hederacea Ivyleaf morning glory

non-native
Annual herb, Vine

Ipomoea indica Oceanblue morning glory

• invasive non-native
Perennial herb

Ipomoea nil Ivy morning glory, Whiteedge morning glory

non-native
Annual herb, Vine

Ipomoea purpurea Common morning glory, Garden morningglory, Tall morning glory

non-native
Annual herb

Ipomoea batatas Little bell morning glory, Littlebell

non-native
Annual herb, Vine

Ipomopsis aggregata Scarlet gilia

native
Perennial herb

Ipomopsis aggregata var. aggregata Scarlet gilia

native
Perennial herb

Gilia aggregata Scarlet gilia

native
Perennial herb

Ipomopsis aggregata ssp. aggregata Scarlet gilia

native
Perennial herb

Ipomopsis aggregata ssp. formosissima Scarlet gilia

native
Perennial herb

Ipomopsis aggregata ssp. bridgesii Bridge's gilia, Scarlet gilia

native
Perennial herb

Ipomopsis arizonica Arizona ipomopsis, Arizona scarlet gilia

native
Perennial herb

Ipomopsis congesta Ball headed gilia, Ballhead ipomopsis, Manyflowered gilia

native
Perennial herb

Gilia congesta Ball headed gilia, Ballhead ipomopsis

native
Perennial herb

Ipomopsis congesta ssp. congesta Ball headed gilia, Ballhead ipomopsis

native
Perennial herb

Ipomopsis congesta ssp. montana Ball headed ipomopsis, Ballhead ipomopsis, Many flowered gilia

native
Perennial herb

Ipomopsis congesta ssp. palmifrons Ball headed ipomopsis, Ballhead ipomopsis, Many flowered gilia

native
Perennial herb

Ipomopsis effusa Baja california ipomopsis

• rare native
Annual herb

Ipomopsis polycladon Branching gilia, Manybranched ipomopsis

native
Annual herb

Ipomopsis tenuifolia Slender leaved ipomopsis, Slenderleaf skyrocket

• rare native
Perennial herb

Ipomopsis tenuituba Narrow tube ipomopsis, Slendertube skyrocket

native
Shrub (stem succulent)

Iris bracteata Siskiyou iris

• rare native
Perennial herb (rhizomatous)

Iris chrysophylla Golden leaved iris, Yellowleaf iris

native
Perennial herb

Iris douglasiana Douglas iris, Douglas' iris

native
Perennial herb

Iris fernaldii Fernald's iris

native
Perennial herb

Iris foetidissima Stinking iris

non-native
Perennial herb

Iris germanica German iris

non-native
Perennial herb

Iris hartwegii Hartweg's iris, Rainbow iris

native
Perennial herb

Iris hartwegii ssp. australis Rainbow iris, Southern hartweg's iris

native
Perennial herb

Iris hartwegii ssp. hartwegii Hartweg's iris, Rainbow iris

native
Perennial herb

Iris hartwegii ssp. pinetorum Hartweg's yellow pine iris, Rainbow iris

native
Perennial herb

Iris innominata Del norte county iris

• rare native
Perennial herb (rhizomatous)

Iris longipetala Central coast iris, Coast iris

• rare native
Perennial herb

Iris macrosiphon Bowltube iris, Ground iris, Long tubed iris

native
Perennial herb

Iris missouriensis Rocky mountain iris, Western blue flag

native
Perennial herb

Iris munzii Munz's iris

• rare native
Perennial herb (rhizomatous)

Iris pseudacorus Horticultural iris, Paleyellow iris, Yellowflag iris

• invasive non-native
Perennial herb

Iris purdyi Purdy's iris

native
Perennial herb

Iris sibirica ssp. erirrhiza Siberian iris

non-native
Perennial herb (rhizomatous)

Iris sibirica ssp. sibirica Siberian iris

non-native
Perennial herb (rhizomatous)

Iris tenax Toughleaf iris

native
Perennial herb (rhizomatous)

Iris tenax ssp. klamathensis Klamath iris, Orleans iris

• rare native
Perennial herb (rhizomatous)

Iris tenuissima Iris, Longtube iris, Slender iris

native
Perennial herb

Iris tenuissima ssp. purdyiformis Longtube iris, Purdy's iris, Slender iris

native
Perennial herb

Iris tenuissima ssp. tenuissima Longtube iris, Slender iris

native
Perennial herb

Iris thompsonii Thompson's iris

• rare native
Perennial herb

Isatis tinctoria Dyer's woad, Dyers woad

• invasive non-native
Biennial, Perennial herb

Ismelia carinata Tricolor daisy

non-native
Annual herb

Isocoma acradenia Alkali goldenbush, Desert isocoma

native
Shrub

Isocoma acradenia var. acradenia Alkali goldenbush

native
Shrub

Isocoma acradenia var. bracteosa Bracted alkali goldenbush

native
Shrub

Isocoma acradenia var. eremophila Solitary leaved alkali goldenbush

native
Shrub

Isocoma arguta Carquinez goldenbush, Carquinez isocoma

• rare native
Shrub

Isocoma menziesii Menzies' goldenbush

native
Shrub

Isocoma menziesii var. vernonoides Menzies' goldenbush

native
Shrub

Isocoma menziesii var. decumbens Decumbent goldenbush, Menzies' goldenbush

• rare native
Shrub

Isocoma menziesii var. diabolica Menzies' goldenbush, Satan's goldenbush

• rare native
Shrub

Isocoma menziesii var. menziesii Menzies' goldenbush

native
Shrub

Isocoma menziesii var. sedoides Menzies' goldenbush, Prostrate coastal goldenbush

native
Shrub

Isocoma menziesii var. vernonioides Coastal goldenbush, Green leaved dune goldenbush, Menzies' goldenbush

native
Shrub

Isoetes bolanderi Bolander's quillwort

native

Isoetes howellii Howell's quillwort, Quillwort

native

Isoetes nuttallii Nuttall's quillwort

native

Isoetes lacustris Western quillwort

native

Isoetes occidentalis Western quillwort

native

Isoetes orcuttii Orcutt's quillwort

native

Isolepis carinata Keeled bulrush

native
Annual grasslike herb

Isolepis cernua Low bulrush

native
Annual grasslike herb

Isolepis levynsiana

non-native
Annual grasslike herb

Isolepis setacea Bristleleaf bulrush

non-native
Perennial grasslike herb

Iva axillaris Povertyweed

native
Perennial herb

Iva axillaris ssp. robustior Povertyweed

native
Perennial herb

Iva hayesiana San diego marsh elder, San diego povertyweed

• rare native
Perennial herb

Ivesia aperta var. aperta Sierra valley ivesia, Sierra valley mousetail

• rare native
Perennial herb

Ivesia aperta var. canina Dog valley ivesia, Sierra valley mousetail

• rare native
Perennial herb

Ivesia argyrocoma Silver haired ivesia, Silverhair mousetail

native
Perennial herb

Ivesia argyrocoma var. moranii Silver haired ivesia, Silverhair mousetail

native
Perennial herb

Ivesia argyrocoma var. argyrocoma Silver-haired ivesia

• rare native
Perennial herb

Ivesia arizonica var. arizonica Arizona whitefeather, Yellow ivesia

• rare native
Perennial herb

Ivesia baileyi Bailey's ivesia

native
Perennial herb

Ivesia baileyi var. setosa Bailey's ivesia

native
Perennial herb

Ivesia baileyi var. baileyi Bailey's ivesia

• rare native
Perennial herb

Ivesia baileyi var. beneolens Bailey's ivesia, Owyhee ivesia

• rare native
Perennial herb

Ivesia callida Tahquitz ivesia, Tahquitz mousetail

• rare native
Perennial herb

Ivesia campestris Field ivesia, Field mousetail

• rare native
Perennial herb

Ivesia gordonii Alpine ivesia, Gordon's ivesia

native
Perennial herb

Ivesia gordonii var. alpicola Alpine ivesia

native
Perennial herb

Ivesia gordonii var. ursinorum Alpine ivesia

native
Perennial herb

Ivesia jaegeri Jaeger's ivesia, Jaeger's mousetail

• rare native
Perennial herb

Ivesia kingii King's mousetail

native
Perennial herb

Ivesia kingii var. eremica King's mousetail

native
Perennial herb

Ivesia kingii var. kingii Alkali ivesia

• rare native
Perennial herb

Ivesia longibracteata Castle crags ivesia, Longbract mousetail

• rare native
Perennial herb

Ivesia lycopodioides Clubmoss ivesia, Clubmoss mousetail

native
Perennial herb

Ivesia lycopodioides var. lycopodioides Clubmoss ivesia

native
Perennial herb

Ivesia lycopodioides ssp. megalopetala Clubmoss ivesia

native
Perennial herb

Ivesia lycopodioides var. megalopetala Clubmoss ivesia

native
Perennial herb

Ivesia lycopodioides var. scandularis Clubmoss ivesia

native
Perennial herb

Ivesia muirii Granite mousetail

native
Perennial herb

Ivesia paniculata Ash creek ivesia, Ash creek mousetail

• rare native
Perennial herb

Ivesia pickeringii Pickering's ivesia, Silky mousetail

• rare native
Perennial herb

Ivesia pygmaea Dwarf ivesia, Dwarf mousetail

native
Perennial herb

Ivesia santolinoides Mouse tail ivesia, Sierra ivesia, Sierra mousetail

native
Perennial herb

Ivesia saxosa Rock five finger, Rock ivesia, Rock mousetail

native
Perennial herb

Ivesia sericoleuca Plumas ivesia, Plumas mousetail

• rare native
Perennial herb

Ivesia shockleyi var. shockleyi Shockley's ivesia, Sky mousetail

native
Perennial herb

Ivesia unguiculata Yosemite ivesia, Yosemite mousetail

• rare native
Perennial herb

Ivesia webberi Webber's ivesia, Wire mousetail

• rare native
Perennial herb

Ixia maculata Spotted african cornlily

non-native
Perennial herb

Jacaranda mimosifolia Black poui

non-native
Tree

Jamesia americana Fivepetal cliffbush

native
Shrub

Jamesia americana var. rosea Fivepetal cliffbush, Rosy petalled cliffbush

• rare native
Shrub

Jasminum mesnyi Japanese jasmine

non-native
Vine, Shrub

Jatropha curcas Barbados nut

non-native
Perennial herb

Jatropha integerrima Peregrina

non-native
Perennial herb

Jaumea carnosa Fleshy jaumea, Marsh jaumea

native
Perennial herb

Jensia rammii Ramm's madia

native
Annual herb

Jensia yosemitana Yosemite tarplant

• rare native
Annual herb

Madia yosemitana Yosemite tarplant

• rare native
Annual herb

Jepsonia heterandra Foothill jepsonia

• rare native
Perennial herb

Jepsonia malvifolia Island jepsonia

• rare native
Perennial herb

Jepsonia parryi Parry's jepsonia

native
Perennial herb

Johanneshowellia puberula Red creek buckwheat

• rare native
Annual herb

Cryptantha angustifolia Narrow-leaved johnstonella

native
Annual herb

Cryptantha holoptera winged cryptantha

• rare native
Annual herb

Cryptantha inaequata Panamint johnstonella

native
Annual herb

Cryptantha racemosa Shrubby johnstonella

native
Annual herb

Juglans californica Southern black walnut, Southern california walnut, Southern california black walnut

• rare native
Tree

Juglans californica var. hindsi Southern black walnut, Southern california walnut, Southern california black walnut

• rare native
Tree

Juglans cinerea Butternut

non-native
Tree

Juglans hindsii Northern california black walnut

• rare native
Tree

Juglans microcarpa Little walnut

non-native
Tree

Juglans nigra Black walnut

non-native
Tree

Juglans regia English walnut

non-native
Tree

Juncus acuminatus Sharp fruited rush, Taper tip rush, Tapertip rush

native
Perennial grasslike herb

Juncus acutus Spiny rush

native
Perennial grasslike herb (rhizomatous)

Juncus acutus ssp. leopoldii Leopold's rush, Southwestern spiny rush, Wire grass

• rare native
Perennial grasslike herb (rhizomatous)

Juncus articulatus Jointed rush, Jointleaf rush

native
Perennial grasslike herb

Juncus articulatus ssp. articulatus Jointed rush

native
Perennial grasslike herb

Juncus balticus Baltic rush, Wire rush

native
Perennial grasslike herb

Juncus balticus ssp. ater Baltic rush

native
Perennial grasslike herb

Juncus bolanderi Bolander's rush

native
Perennial grasslike herb

Juncus breweri Brewer's rush

native
Perennial grasslike herb

Juncus bryoides Moss rush

native
Annual grasslike herb

Juncus bufonius Common toad rush, Toad rush

native
Annual grasslike herb

Juncus bufonius var. bufonius Toad rush

native
Annual grasslike herb

Juncus bufonius var. congestus Clustered toad rush

native
Annual grasslike herb

Juncus bufonius var. occidentalis Round fruited toad rush, Western toad rush

native
Perennial grasslike herb

Juncus capillaris Hairystem dwarf rush, Slender stemmed dwarf rush

native
Annual grasslike herb

Juncus capitatus Leafy bracted dwarf rush, Leafybract dwarf rush

non-native
Annual grasslike herb

Juncus chlorocephalus Green headed rush, Greenhead rush

native
Perennial grasslike herb

Juncus confusus Colorado rush

native
Perennial grasslike herb

Juncus cooperi Cooper's rush

• rare native
Perennial grasslike herb

Juncus covillei Coville's rush

native
Perennial grasslike herb

Juncus diffusissimus Slim podded rush, Slimpod rush

non-native
Perennial grasslike herb

Juncus digitatus Finger rush

• rare native
Perennial grasslike herb

Juncus drummondii Drummond's rush

native
Perennial grasslike herb

Juncus dubius Dubius rush, Mariposa rush

native
Perennial grasslike herb

Juncus dudleyi Dudley's rush

• rare native
Perennial grasslike herb

Juncus duranii Duran's rush

• rare native
Perennial grasslike herb (rhizomatous)

Juncus effusus Bog rush, Common bog rush, Common rush

native
Perennial grasslike herb

Juncus effusus var. compactus Bog rush, Common bog rush, Common rush

native
Perennial grasslike herb

Juncus effusus ssp. pacificus Pacific rush

native
Perennial grasslike herb

Juncus ensifolius Sword leaved rush, Swordleaf rush, Three stamened rush

native
Perennial grasslike herb

Juncus ensifolius var. ensifolius Sword leaved rush, Swordleaf rush, Three stamened rush

native
Perennial grasslike herb

Juncus exiguus Klamath or weak rush

native
Perennial grasslike herb

Juncus falcatus Falcate rush

native
Perennial grasslike herb

Juncus falcatus ssp. falcatus Falcate rush

native
Perennial grasslike herb

Juncus gerardi ssp. gerardi Mud rush

native
Perennial grasslike herb

Juncus hemiendytus var. abjectus Center basin rush, Herman's dwarf rush

• rare native
Annual grasslike herb

Juncus hemiendytus var. hemiendytus Herman's dwarf rush, Vernal pool rush

native
Annual grasslike herb

Juncus hesperius Coast or bog rush

native
Perennial grasslike herb

Juncus howellii Howell's rush

native
Perennial grasslike herb

Juncus interior Inland rush

• rare native
Perennial grasslike herb

Juncus kelloggii Kellogg's dwarf rush

native
Annual grasslike herb

Juncus laccatus Shiny rush

native
Perennial grasslike herb

Juncus leiospermus var. ahartii Ahart's dwarf rush

• rare native
Annual grasslike herb

Juncus leiospermus var. leiospermus Red bluff dwarf rush

• rare native
Annual grasslike herb

Juncus lescurii Dune rush

native
Perennial grasslike herb

Juncus longistylis Long styled rush, Longstyle rush

native
Perennial grasslike herb

Juncus luciensis Santa lucia dwarf rush, Santa lucia rush

• rare native
Annual grasslike herb

Juncus macrandrus Long anthered rush, Longanther rush

native
Perennial grasslike herb

Juncus macrophyllus Long leaved rush, Longleaf rush, Rush

native
Perennial grasslike herb

Juncus marginatus Grassleaf rush

native
Perennial grasslike herb (rhizomatous)

Juncus mertensianus Merten's rush, Mertens' rush

native
Perennial grasslike herb

Juncus mexicanus Mexican rush

native
Perennial grasslike herb

Juncus nevadensis Sierra rush

native
Perennial grasslike herb

Juncus nevadensis ssp. nevadensis Sierra rush

native
Perennial grasslike herb

Juncus nodosus Knotted rush

• rare native
Perennial grasslike herb (rhizomatous)

Juncus occidentalis Rush, Slender juncus, Western rush

native
Perennial grasslike herb

Juncus orthophyllus Straight leaved rush, Straightleaf rush

native
Perennial grasslike herb

Juncus oxymeris Pointed rush

native
Perennial grasslike herb

Juncus parryi Parry's rush

native
Perennial grasslike herb

Juncus patens Common rush, Spreading rush

native
Perennial grasslike herb

Juncus phaeocephalus Brown headed rush, Brownhead rush

native
Perennial grasslike herb

Juncus phaeocephalus var. paniculatus Brown headed rush, Brownhead rush, Spreading brown headed rush

native
Perennial grasslike herb

Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush

native
Perennial grasslike herb

Juncus regelii Regel's rush

• rare native
Perennial grasslike herb (rhizomatous)

Juncus rugulosus Wrinkled rush

native
Perennial grasslike herb

Juncus saximontanus Rocky mountain rush

native
Perennial grasslike herb

Juncus supiniformis Hair leaved rush, Hairyleaf rush

• rare native
Perennial grasslike herb (rhizomatous)

Juncus tenuis Poverty rush, Slender rush

native
Perennial grasslike herb

Juncus textilis Basket rush

native
Perennial grasslike herb

Juncus tiehmii Nevada rush, Tiehm's rush

native
Annual grasslike herb

Juncus torreyi Torrey's rush

native
Perennial grasslike herb

Juncus triformis Yosemite dwarf rush

native
Annual grasslike herb

Juncus uncialis Inch high dwarf rush, Twelfth rush

native
Annual grasslike herb

Juncus xiphioides Iris leaved rush, Irisleaf rush

native
Perennial grasslike herb

Juniperus californica California juniper

native
Shrub

Juniperus chinensis Chinese juniper

non-native
Tree

Juniperus communis Common juniper, Dwarf juniper

native
Shrub

Juniperus communis ssp. communis Common juniper, Dwarf juniper

native
Shrub

Juniperus communis ssp. alpina Common juniper

native
Shrub

Juniperus communis var. depressa Common juniper

native
Shrub

Juniperus communis var. saxatilis Common juniper

native
Shrub

Juniperus grandis Sierra juniper

native
Tree

Juniperus occidentalis var. australis Sierra juniper

native
Tree

Juniperus occidentalis Western juniper

native
Tree

Juniperus monosperma Utah juniper

native
Tree, Shrub

Juniperus osteosperma Utah juniper

native
Tree, Shrub

Juniperus oxycedrus Cade juniper

non-native
Shrub

Juniperus scopulorum Rocky mountain juniper

non-native
Tree

Justicia brandegeeana Shrimpplant

non-native
Shrub

Justicia californica Beloperone, Chuparosa

native
Shrub

Justicia carnea Brazilian-plume

non-native
Shrub

Kalanchoe blossfeldiana Madagascar widow's-thrill

non-native
Perennial herb

Kallstroemia californica California caltrop, California kallstroemia

native
Annual herb

Kallstroemia grandiflora Arizona caltrop, Arizona poppy

non-native
Annual herb

Kallstroemia parviflora Few flowered caltrop, Warty caltrop

• rare native
Annual herb

Kalmia microphylla ssp. occidentalis Mountain laurel, Bog laurel

native
Shrub

Kalmia polifolia Mountain laurel, Bog laurel

native
Shrub

Kalmia polifolia ssp. microphylla Mountain laurel, Bog laurel

native
Shrub

Kalmia polifolia var. microphylla Mountain laurel, Bog laurel

native
Shrub

Keckiella antirrhinoides Chaparral beard tongue, Snapdragon penstemon

native
Shrub

Keckiella antirrhinoides var. antirrhinoides Chaparral beard tongue

native
Shrub

Keckiella antirrhinoides var. antirrhinoides

Keckiella antirrhinoides var. microphylla Chaparral beard tongue, Little leaved chaparral beard tongue

native
Shrub

Keckiella antirrhinoides var. microphylla

Keckiella breviflora Bush beardtongue, Gaping keckiella

native
Shrub

Keckiella breviflora var. breviflora Gaping keckiella, Gaping penstemon

native
Shrub

Keckiella breviflora var. glabrisepala Hairless gaping keckiella

native
Shrub

Keckiella cordifolia Climbing penstemon, Heart leaved keckiella, Heartleaf keckiella

native
Shrub

Keckiella corymbosa Red beardtongue, Redwood keckiella

native
Shrub

Keckiella lemmonii Bush beardtongue, Lemmon beardtongue, Lemmon's keckiella

native
Shrub

Keckiella rothrockii Rothrock's keckiella

native
Shrub

Keckiella rothrockii var. jacintensis San jacinto mts. keckiella

native
Shrub

Keckiella rothrockii var. rothrockii Rothrock's keckiella

native
Shrub

Keckiella ternata Blue stemmed keckiella, Scarlet keckiella

native
Shrub

Keckiella ternata var. septentrionalis Northern blue stemmed keckiella

native
Shrub

Keckiella ternata var. ternata Blue stemmed keckiella

native
Shrub

Kelloggia galioides Milk kelloggia

native
Perennial herb

Kerria japonica Japanese rose

non-native

Kickxia elatine Sharp leaved fluellin, Sharp point fluellin, Sharpleaf cancerwort

non-native
Perennial herb

Kickxia spuria Fluellin, Roundleaf cancerwort

non-native
Perennial herb

Kniphofia uvaria Redhot poker

• invasive non-native
Perennial herb

ASPHODELACEAE

Kobresia bellardii Bellardi bog sedge

• rare native
Perennial grasslike herb (rhizomatous)

Kobresia myosuroides Bellardi bog sedge

• rare native
Perennial grasslike herb (rhizomatous)

Kochia americana Green molly, Red sage

native
Perennial herb

Bassia scoparia Common red sage, Mexican fireweed, Summer cypress

• invasive non-native
Annual herb

Kochia scoparia Common red sage, Mexican fireweed, Summer cypress

• invasive non-native
Annual herb

Kochia scoparia ssp. scoparia red sage

• invasive non-native
Annual herb

Koeberlinia spinosa Crown of thorns

native
Shrub

KOEBERLINIACEAE

Koeberlinia spinosa var. wivaggii Crown of thorns

native
Shrub

KOEBERLINIACEAE

Koeberlinia spinosa var. tenuispina Crown of thorns

• rare native
Shrub

KOEBERLINIACEAE

Koeleria gerardi Annual june grass, bristly koeleria

non-native
Annual grass

Koeleria phleoides Annual june grass, bristly koeleria

non-native
Annual grass

Lophochloa cristata Annual june grass, bristly koeleria

non-native
Annual grass

Rostraria cristata Annual june grass, bristly koeleria

non-native
Annual grass

Koeleria macrantha June grass, Prairie junegrass

native
Perennial grass

Koeleria pyramidata June grass, Prairie junegrass

native
Perennial grass

Koelreuteria bipinnata Goldenrain tree

non-native
Tree

Koelreuteria paniculata Goldenrain tree

non-native
Tree

Kolkwitzia amabilis Beautybush

non-native
Shrub

Boschniakia hookeri Small groundcone

• rare native
Perennial herb

Kopsiopsis hookeri Small groundcone

• rare native
Perennial herb

Boschniakia strobilacea ground cone, groundcone , California ground-cone

native
Perennial herb (parasitic)

Kopsiopsis strobilacea ground cone, groundcone , California ground-cone

native
Perennial herb (parasitic)

Krameria bicolor White rhatany

native
Shrub

Krameria grayi White rhatany

native
Shrub

Krameria erecta Little leaved ratany, Littleleaf ratany, Pima rhatany

native
Shrub

Krameria parvifolia Little leaved ratany, Littleleaf ratany, Pima rhatany

native
Shrub

Krascheninnikovia lanata Winter fat, Winterfat

native
Shrub

Kyhosia bolanderi Bolander's madia

native
Perennial herb

Madia bolanderi Bolander's madia

native
Perennial herb

Kyllinga brevifolia Short leaf spikesedge, Shortleaf spikesedge

non-native
Perennial grasslike herb

Lablab purpureus Hyacinthbean

non-native
Vine

Laburnum anagyroides Golden chain tree

non-native
Tree

Lactuca biennis Biennial wild lettuce, Tall blue lettuce

non-native
Perennial herb

Lactuca canadensis Canada lettuce, Canada wild lettuce

non-native
Perennial herb

Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce

non-native
Annual herb

Lactuca sativa Garden lettuce

• invasive non-native
Annual herb

Lactuca sativa var. capitata Garden lettuce

• invasive non-native
Annual herb

Lactuca serriola Prickly lettuce, Prickly wild lettuce

• invasive non-native
Annual herb

Lactuca tatarica Blue lettuce

native
Perennial herb

Lactuca pulchella Blue lettuce

native
Perennial herb

Lactuca tatarica var. pulchella Blue lettuce

native
Perennial herb

Mulgedium oblongifolium Blue lettuce

native
Perennial herb

Mulgedium pulchellum Blue lettuce

native
Perennial herb

Lactuca virosa Bitter lettuce, Poison wild lettuce

non-native
Perennial herb

Ladeania lanceolata Lance-leaved scurf-pea

• rare native
Perennial herb

Psoralidium lanceolatum Lance-leaved scurf-pea

• rare native
Perennial herb

Conyza coulteri Coulter's horseweed

native
Annual herb

Laennecia coulteri Coulter's horseweed

native
Annual herb

Lagenaria siceraria Bottle gourd

non-native
Annual herb, Vine

Lagerstroemia indica Crapemyrtle

non-native
Tree, Shrub

Lagophylla diabolensis Diablo Range hare-leaf

• rare native
Annual herb

Lagophylla dichotoma Forked hareleaf

• rare native
Annual herb

Lagophylla glandulosa Glandular hareleaf

native
Annual herb

Lagophylla minor Lesser hareleaf, Little hareleaf

native
Annual herb

Lagophylla ramosissima Branched lagophylla, Common hareleaf

native
Annual herb

Lagophylla ramosissima ssp. ramosissima Branched lagophylla, Common hareleaf

native
Annual herb

Lagunaria patersonia Cow itch tree

non-native

Lagurus ovatus Hare's tail grass, Harestail grass

non-native
Annual grass

Lamarckia aurea Goldentop grass

non-native
Annual grass

Lamiastrum galeobdolon Yellow archangel

non-native
Perennial herb

Lamiastrum galeobdolon ssp. argentatum Yellow archangel

non-native
Perennial herb

Lamium amplexicaule Giraffe head, Henbit deadnettle

non-native
Annual herb

Lamium maculatum Spotted henbit

non-native
Annual herb

Lamium purpureum Henbit, Purple dead nettle, Purple deadnettle

non-native
Annual herb

Lampranthus aurantiacus Golden iceplant

non-native
Perennial herb

Lampranthus coccineus Redflush

non-native
Perennial herb

Landoltia punctata Dotted duckmeat

native
Annual, Perennial herb

Langloisia setosissima Bristly langloisia, Great basin langloisia, Lilac sunbonnet

native
Annual herb

Langloisia setosissima ssp. punctata Great basin langloisia, Lilac sunbonnet

native
Annual herb

Langloisia setosissima ssp. setosissima Bristly langloisia, Great basin langloisia

native
Annual herb

Lantana camara Lantana

• invasive non-native
Shrub

Lantana montevidensis Trailing lantana, Trailing shrubverbena

non-native
Vine, Shrub

Lantana urticoides West indian shrubverbena

native
Shrub

Laportea interrupta Hawai'i woodnettle

non-native
Annual, Perennial herb

Lappula occidentalis Redowski's stickseed, Stickweed

native
Annual herb

Lappula redowskii Redowski's stickseed, Stickweed

native
Annual herb

Lappula occidentalis var. cupulata Cupped redowski's stickseed

native
Annual herb

Lappula redowskii var. cupulata Cupped redowski's stickseed

native
Annual herb

Lappula occidentalis var. occidentalis Redowski's stickseed

native
Annual herb

Lappula redowskii var. redowskii Redowski's stickseed

native
Annual herb

Lappula fremontii European stickseed

non-native
Annual herb

Lappula squarrosa European stickseed

non-native
Annual herb

Lapsana communis Common nipplewort, Nipplewort

non-native
Annual herb

Larrea divaricata South american creosote bush

native
Shrub

Larrea tridentata South american creosote bush

native
Shrub

Lasiospermum bipinnatum Woolly fruit

non-native
Perennial herb

Lastarriaea coriacea Leather spineflower

native
Annual herb

Lasthenia burkei Burke's baeria, Burke's goldfields

• rare native
Annual herb

Lasthenia californica California goldfields, Common goldfields, Valley goldfields

native
Annual herb

Lasthenia californica ssp. bakeri Baker's goldfields

• rare native
Annual herb

Lasthenia californica ssp. californica California goldfields

native
Annual herb

Lasthenia californica ssp. macrantha Perennial goldfields

• rare native
Perennial herb

Lasthenia macrantha Perennial goldfields

• rare native
Perennial herb

Lasthenia macrantha ssp. macrantha Perennial goldfields

• rare native
Perennial herb

Lasthenia chrysantha Alkali goldfields, Alkalisink goldfields

native
Annual herb

Lasthenia conjugens Contra costa goldfields

• rare native
Annual herb

Lasthenia coronaria Royal goldfields

native
Annual herb

Lasthenia debilis Greene's goldfields

native
Annual herb

Lasthenia ferrisiae Alkali goldfields, Ferris' goldfields

• rare native
Annual herb

Lasthenia fremontii Fremont's goldfields, Vernal pool goldfields

native
Annual, Perennial herb

Lasthenia glaberrima Smooth goldfields

native
Annual herb

Lasthenia glabrata Yellow rayed goldfields, Yellow rayed lasthenia, Yellowray goldfields

native
Annual herb

Lasthenia glabrata ssp. coulteri Coulter goldfields, Coulter's goldfields, Goldfields

• rare native
Annual herb

Lasthenia glabrata ssp. glabrata Yellow rayed goldfields, Yellowray goldfields

native
Annual herb

Lasthenia gracilis Needle goldfields

native
Annual herb

Lasthenia maritima Maritime goldfields, Seaside goldfields

native
Annual herb

Lasthenia microglossa Small rayed goldfields, Smallray goldfields, Smallrayed lasthenia

native
Annual herb

Lasthenia minor Coastal goldfields, Smooth lasthenia, Woolly goldfields

native
Annual herb

Lasthenia platycarpha Alkali goldfields

native
Annual herb

Lathrocasis tenerrima Delicate gilia

native
Annual herb

Lathyrus angulatus Angled pea vine

non-native
Vine

Lathyrus aphaca Yellow pea, Yellow vetchling

non-native
Annual herb

Lathyrus biflorus Two flowered pea, Twoflower pea

• rare native
Perennial herb

Lathyrus brownii Brown's brush pea

native
Perennial herb

Lathyrus cicera Red peavine

non-native
Annual herb

Lathyrus delnorticus Del norte pea

• rare native
Perennial herb

Lathyrus glandulosus Redwood pea, Sticky pea

• rare native
Perennial herb (rhizomatous)

Lathyrus graminifolius Grassleaf pea

non-native
Perennial herb

Lathyrus hirsutus Caley pea, Rough pea

non-native
Annual herb

Lathyrus hitchcockianus Bullfrog mountain pea, Grapevine mtns. pea

• rare native
Vine

Lathyrus japonicus Beach pea, Sea pea

• rare native
Perennial herb

Lathyrus japonicus var. maritimus Beach pea, Sea pea

• rare native
Perennial herb

Lathyrus jepsonii Delta tule pea, Jepson's pea

native
Perennial herb

Lathyrus jepsonii var. californicus California tule pea

native
Perennial herb

Lathyrus jepsonii var. jepsonii Delta tule pea

• rare native
Perennial herb

Lathyrus lanszwertii Nevada pea

native
Perennial herb

Lathyrus pauciflorus Nevada pea

native
Perennial herb

Lathyrus pauciflorus var. utahensis Nevada pea

native
Perennial herb

Lathyrus lanszwertii var. lanszwertii Lanszwert's pea, Nevada pea

native
Perennial herb

Lathyrus lanszwertii var. tracyi Tracy's nevada pea, Tracy's pea

native
Perennial herb

Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea

non-native
Perennial herb

Lathyrus littoralis Beach pea, Silky beach pea

native
Perennial herb

Lathyrus nevadensis Sierra pea

native
Perennial herb

Lathyrus nevadensis var. nevadensis Sierra nevada pea, Sierra pea

native
Perennial herb

Lathyrus odoratus Common sweet pea, Garden sweet pea, Sweetpea

non-native
Annual herb

Lathyrus palustris Marsh pea

• rare native
Perennial herb

Lathyrus polyphyllus Leafy pea, Oregon pea

native
Perennial herb

Lathyrus rigidus Rigid pea, Stiff pea

• rare native
Perennial herb

Lathyrus sphaericus Grass peavine

non-native
Annual herb

Lathyrus splendens Pride of california

• rare native
Perennial herb

Lathyrus sulphureus Brewer's pea, Snub pea, Sulphur pea

native
Perennial herb

Lathyrus tingitanus Tangier pea

non-native
Annual herb

Lathyrus torreyi Redwood pea, Torrey's pea

native
Perennial herb

Lathyrus venosus Bolander's pea, Common pacific pea, Pacific peavine

native
Perennial herb

Lathyrus vestitus Bolander's pea, Common pacific pea, Pacific peavine

native
Perennial herb

Lathyrus vestitus var. alefeldii San diego pea

native
Perennial herb

Lathyrus vestitus var. ochropetalus Bolander's pacific pea, Bolander's pea, Pale pacific pea

native
Perennial herb

Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea

native
Perennial herb

Laurus nobilis Sweet bay

non-native
Tree

Lavandula angustifolia English lavender

non-native
Shrub

Lavandula stoechas French lavender

non-native
Shrub

Lavatera assurgentiflora ssp. glabra Southern island mallow

• rare native
Shrub

Lavatera olbia Tree lavatera

non-native
Shrub

Lavatera trimestris Annual mallow

non-native
Annual herb

Layia carnosa Beach layia, Beach tidytips

• rare native
Annual herb

Layia chrysanthemoides Smooth tidy tips, Smooth tidytips

native
Annual herb

Layia chrysanthemoides ssp. maritima Smooth tidy tips, Smooth tidytips

native
Annual herb

Layia discoidea Rayless layia, Rayless tidytips

• rare native
Annual herb

Layia fremontii Fremont layia, Fremont's tidy tips, Fremont's tidytips

native
Annual herb

Layia gaillardioides Woodland layia, Woodland tidytips

native
Annual herb

Layia glandulosa White layia, White tidy tips, Whitedaisy tidytips

native
Annual herb

Layia glandulosa ssp. lutea White layia, White tidy tips, Whitedaisy tidytips

native
Annual herb

Layia heterotricha Pale yellow layia, Paleyellow tidytips

• rare native
Annual herb

Layia hieracioides Hawkweed layia, Tall layia, Tall tidytips

native
Annual herb

Layia jonesii Jones' tidytips, Jones's layia

• rare native
Annual herb

Layia leucopappa Comanche point layia, Comanche point tidytips

• rare native
Annual herb

Layia munzii Munz's tidy tips, Munz's tidytips

• rare native
Annual herb

Layia pentachaeta Sierra tidy tips, Sierra tidytips

native
Annual herb

Layia pentachaeta ssp. albida Sierra tidytips, White sierra tidy tips

native
Annual herb

Layia pentachaeta ssp. pentachaeta Sierra tidy tips, Sierra tidytips

native
Annual herb

Layia platyglossa Coastal tidytips

native
Annual herb

Layia septentrionalis Colusa layia, Colusa tidytips

• rare native
Annual herb

Leersia oryzoides Rice cutgrass

native
Perennial grass

Legenere limosa False venus' looking glass, Legenere

• rare native
Annual herb

Legousia speculum-veneris European venus' looking glass

non-native
Annual, Perennial herb

Lemna gibba Duckweed, Gibbous duckweed, Swollen duckweed

native
Perennial herb

Lemna minor Smaller duckweed

native
Perennial herb

Lemna minuta Least duckweed

native
Perennial herb

Lemna trisulca Ivy leaved duckweed, Star duckweed

native
Perennial herb

Lemna turionifera Turion duckweed

native
Perennial herb

Lemna valdiviana Valdivia duckweed

native
Perennial herb

Lens culinaris Lentil

non-native
Annual herb

Leonotis leonurus Lion's ear

non-native
Perennial herb

Leonotis nepetifolia Christmas candlestick

non-native
Perennial herb

Leontodon autumnalis Fall dandelion

non-native
Annual herb

Scorzoneroides autumnalis Fall dandelion

non-native
Annual herb

Leontodon saxatilis Hawkbit

non-native
Annual herb

Leontodon taraxacoides Hawkbit

non-native
Annual herb

Leontodon saxatilis ssp. longirostris Hawkbit

non-native
Annual herb

Leontodon saxatilis ssp. saxatilis

non-native
Perennial herb

Leonurus sibiricus Honeyweed

non-native
Annual, Perennial herb

Lepechinia calycina White pitcher sage, Woodbalm, pitcher sage

native
Shrub

Lepechinia cardiophylla Heart leaved pitcher sage, Santa ana pitchersage

• rare native
Shrub

Lepechinia fragrans Fragrant pitcher sage, Island pitchersage

• rare native
Shrub

Lepechinia ganderi Gander's pitcher sage, San diego pitchersage

• rare native
Shrub

Lepidium acutidens Net pepper grass

native
Annual, Perennial herb

Lepidium acutidens var. cornigerum Net pepper grass

native
Annual, Perennial herb

Lepidium alyssoides Mesa pepperwort

non-native
Perennial herb

Cardaria pubescens Hairy whitetop

• invasive non-native
Perennial herb

Lepidium appelianum Hairy whitetop

• invasive non-native
Perennial herb

Lepidium campestre Cow cress, English pepper grass, Field pepper grass

non-native
Annual, Perennial herb

Lepidium chalepense Lens-podded hoary cress

• invasive non-native
Annual, Perennial herb

Lepidium coronopus Swine cress

non-native
Annual, Perennial herb

Lepidium densiflorum Common pepper grass, Common pepperweed

native
Annual herb

Lepidium dictyotum Alkali pepperweed, Net pepper grass

native
Annual herb

Coronopus didymus Lesser swine cress

non-native
Annual herb

Lepidium didymum Lesser swine cress

non-native
Annual herb

Cardaria draba Whitetop

• invasive non-native
Perennial herb

Lepidium draba Whitetop

• invasive non-native
Perennial herb

Lepidium flavum Yellow pepper grass, Yellow pepperweed

native
Annual herb

Lepidium fremontii Desert alysum, Desert pepper grass, Desert pepperweed

native
Perennial herb

Lepidium fremontii var. fremontii Desert alysum, Desert pepper grass, Desert pepperweed

native
Perennial herb

Lepidium heterophyllum Purpleanther field pepperweed, Variable leaved pepper grass, Variable leaved pepperwort

non-native
Annual herb

Lepidium jaredii Jared's pepper grass, Jared's pepperweed

native
Annual herb

Lepidium jaredii ssp. album Panoche pepper grass

• rare native
Annual herb

Lepidium lasiocarpum Shaggyfruit pepperweed

native
Annual herb

Lepidium lasiocarpum ssp. lasiocarpum Shaggyfruit pepperweed

native
Annual herb

Lepidium latifolium Broad leaved pepper grass, Broadleaved pepperweed, Perennial pepperweed

• invasive non-native
Perennial herb

Lepidium latipes Dwarf pepper grass, Dwarf peppergrass, San diego pepperweed

native
Annual herb

Lepidium latipes var. heckardii Heckard's pepper grass, Heckard's pepperweed

• rare native
Annual herb

Lepidium montanum Mountain pepper grass, Mountain pepperweed

native
Perennial herb

Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed

native
Annual herb

Lepidium oblongum Veiny pepper grass, Veiny pepperweed, Wayside peppergrass

native
Annual herb

Lepidium oxycarpum Forked pepperweed, Sharp podded pepper grass

native
Annual herb

Lepidium perfoliatum Clasping pepperweed, Klamath pepper grass, Shield cress

non-native
Annual herb

Lepidium pinnatifidum Featherleaf pepperweed, Wayside pepper grass

non-native
Annual, Perennial herb

Lepidium sativum Gardencress pepperweed

non-native
Annual herb

Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed

native
Annual herb

Lepidium thurberi Thurber's pepper grass, Thurber's pepperweed

native
Annual herb

Lepidium virginicum Virginia pepperweed, Wild pepper grass

native
Annual herb

Lepidium virginicum var. tepicense Virginia pepperweed, Wild pepper grass

native
Annual herb

Lepidium virginicum var. menziesii Robinson's pepper grass

native
Annual herb

Lepidium virginicum ssp. virginicum Wild pepper grass

native
Annual herb

Lepidium virginicum var. robinsonii Robinson's pepper grass, Robinson's pepperweed

• rare native
Annual herb

Lepidospartum latisquamum Nevada broomsage, Nevada broomshrub, Scale broom

native
Shrub

Lepidospartum squamatum California broomsage, California broomshrub, Scale broom

native
Shrub

Leptochloa fusca ssp. fascicularis Bearded sprangletop

native
Annual grass

Leptochloa fusca ssp. uninervia Mexican sprangletop

native
Annual grass

Leptosiphon ambiguus Serpentine leptosiphon

• rare native
Annual herb

Linanthus ambiguus Serpentine leptosiphon

• rare native
Annual herb

Leptosiphon androsaceus False babystars

native
Annual herb

Linanthus androsaceus False babystars

native
Annual herb

Leptosiphon acicularis Golden linanthus

• rare native
Annual herb

Leptosiphon aureus Golden linanthus

• rare native
Annual herb

Leptosiphon aureus ssp. aureus Golden linanthus

• rare native
Annual herb

Leptosiphon aureus ssp. decorus Golden linanthus

• rare native
Annual herb

Linanthus aureus Golden linanthus

• rare native
Annual herb

Leptosiphon bicolor True babystars

native
Annual herb

Linanthus bicolor True babystars

native
Annual herb

Leptosiphon bolanderi Bolander's linanthus

native
Annual herb

Linanthus bolanderi Bolander's linanthus

native
Annual herb

Leptosiphon breviculus Mojave linanthus

native
Annual herb

Linanthus aureus ssp. aureus

native
Perennial herb

Linanthus aureus ssp. decorus

native
Perennial herb

Leptosiphon ciliatus Whiskerbrush

native
Annual herb

Linanthus ciliatus Whiskerbrush

native
Annual herb

Leptosiphon croceus Coast yellow leptosiphon

• rare native
Annual herb

Leptosiphon filipes Thread linanthus

native
Annual herb

Linanthus filipes Thread linanthus

native
Annual herb

Leptosiphon floribundus ssp. floribundus Many flowered linanthus

native
Perennial herb

Leptosiphon floribundus ssp. floribundus

Leptosiphon floribundus ssp. glaber Smooth many flowered linanthus

native
Perennial herb

Leptosiphon floribundus ssp. hallii Santa rosa mountains leptosiphon

• rare native
Perennial herb

Leptosiphon grandiflorus Large flowered leptosiphon

• rare native
Annual herb

Leptosiphon grandiflorus ssp. dylanae Large flowered leptosiphon

• rare native
Annual herb

Linanthus grandiflorus Large flowered leptosiphon

• rare native
Annual herb

Leptosiphon harknessii Harkness' flaxflower

native
Annual herb

Linanthus harknessii Harkness' flaxflower

native
Annual herb

Leptosiphon jepsonii Jepson's leptosiphon

• rare native
Annual herb

Leptosiphon latisectus Broad lobed leptosiphon

• rare native
Annual herb

Leptosiphon lemmonii Lemmon's linanthus

native
Annual herb

Leptosiphon liniflorus Narrowflower flaxflower

native
Annual herb

Leptosiphon minimus True babystars

native
Annual herb

Leptosiphon montanus Mustang clover

native
Annual herb

Linanthus montanus Mustang clover

native
Annual herb

Leptosiphon nudatus Tehachapi linanthus

native
Annual herb

Leptosiphon nuttallii Nuttall's linanthus

native
Perennial herb

Linanthus nuttallii Nuttall's linanthus

native
Perennial herb

Leptosiphon nuttallii ssp. howellii Mt. tedoc leptosiphon

• rare native
Perennial herb

Leptosiphon nuttallii ssp. nuttallii Nuttall's linanthus

native
Perennial herb

Leptosiphon nuttallii ssp. pubescens Nuttall's linanthus

native
Perennial herb

Linanthus nuttallii ssp. pubescens Nuttall's linanthus

native
Perennial herb

Leptosiphon oblanceolatus Sierra nevada leptosiphon

• rare native
Annual herb

Leptosiphon pachyphyllus Sierra linanthus

native
Perennial herb

Linanthastrum pachyphyllum Sierra linanthus

native
Perennial herb

Linanthus pachyphyllus Sierra linanthus

native
Perennial herb

Leptosiphon parviflorus Variable linanthus

native
Annual herb

Linanthus parviflorus Variable linanthus

native
Annual herb

Leptosiphon pygmaeus ssp. continentalis Pygmy linanthus

native
Annual herb

Leptosiphon pygmaeus ssp. pygmaeus Pygmy leptosiphon

• rare native
Annual herb

Leptosiphon rattanii Rattan's leptosiphon

• rare native
Annual herb

Leptosiphon rosaceus Rose leptosiphon

• rare native
Annual herb

Leptosiphon septentrionalis Northern linanthus

native
Annual herb

Leptosiphon serrulatus Madera leptosiphon

• rare native
Annual herb

Leptospermum laevigatum Australian tea tree

• invasive non-native
Shrub

Leptospermum scoparium Broom teatree

non-native
Shrub

Coreopsis bigelovii Bigelow coreopsis

native
Annual herb

Leptosyne bigelovii Bigelow coreopsis

native
Annual herb

Coreopsis californica var. californica California coreopsis

native
Annual herb

Leptosyne californica California coreopsis

native
Annual herb

Coreopsis calliopsidea Leafy stemmed coreopsis

native
Annual herb

Leptosyne calliopsidea Leafy stemmed coreopsis

native
Annual herb

Leptosyne douglasii Douglas' coreopsis

native
Annual herb

Coreopsis gigantea Giant coreopsis

native
Shrub

Leptosyne gigantea Giant coreopsis

native
Shrub

Leptosyne hamiltonii Mt. hamilton coreopsis

• rare native
Annual herb

Leptosyne maritima Sea dahlia

• rare native
Perennial herb

Coreopsis stillmanii Stillman's coreopsis

native
Annual herb

Leptosyne stillmanii Stillman's coreopsis

native
Annual herb

Lessingia arachnoidea Crystal springs lessingia

• rare native
Annual herb

Lessingia germanorum San francisco lessingia

• rare native
Annual herb

Lessingia glandulifera Valley lessingia, Valley vinegar weed

native
Annual herb

Lessingia glandulifera var. glandulifera Sticky lessingia, Valley lessingia

native
Annual herb

Lessingia glandulifera var. glandulifera

Lessingia lemmonii var. ramulosissima Sticky lessingia, Valley lessingia

native
Annual herb

Lessingia glandulifera var. peirsonii Peirson's lessingia

native
Annual herb

Lessingia glandulifera var. tomentosa Warner springs lessingia

• rare native
Annual herb

Lessingia hololeuca Woolly headed lessingia, Woollyhead lessingia

• rare native
Annual herb

Lessingia leptoclada Sierra lessingia

native
Annual herb

Lessingia micradenia var. glabrata Smooth lessingia

• rare native
Annual herb

Lessingia micradenia var. micradenia Mt. tamalpais lessingia

• rare native
Annual herb

Lessingia nana Dwarf lessingia, Little lessingia

native
Annual herb

Lessingia nemaclada Slender stemmed lessingia, Slenderstem lessingia, Thread stem lessingia

native
Annual herb

Lessingia pectinata var. pectinata Valley lessingia

native
Annual herb

Lessingia pectinata var. tenuipes Sticky lessingia

native
Annual herb

Lessingia ramulosa Sonoma lessingia

native
Annual herb

Lessingia tenuis Spring lessingia

• rare native
Annual herb

Lessingia virgata Virgate lessingia, Wand lessingia

native
Annual herb

Leucanthemum maximum Max chrysanthemum, Shasta daisy

non-native
Annual, Perennial herb

Chrysanthemum leucanthemum Oxe eye daisy, Oxeye daisy

• invasive non-native
Perennial herb

Leucanthemum vulgare Oxe eye daisy, Oxeye daisy

• invasive non-native
Perennial herb

Leucocrinum montanum Common starlily, Sand lily

native
Perennial herb

Leucojum aestivum Summer snowflake

non-native
Perennial herb

Leucojum vernum Spring snowflake

non-native
Perennial herb

Leucophyllum frutescens Texas barometer bush

non-native
Shrub

Arida arizonica Silver lake daisy

native
Annual herb

Leucosyris arida Silver lake daisy

native
Annual herb

Arida carnosa Shrubby alkali aster

native
Shrub

Leucosyris carnosa Shrubby alkali aster

native
Shrub

Leucothoe davisiae Sierra laurel

native
Shrub

Lewisia brachycalyx Short sepaled lewisia, Shortsepal lewisia

• rare native
Perennial herb

Lewisia cantelovii Cantelow's lewisia

• rare native
Perennial herb

Lewisia columbiana Columbia lewisia, Columbian lewisia

native
Perennial herb

Lewisia congdonii Congdon's lewisia

• rare native
Perennial herb

Lewisia cotyledon Cliff lewisia, Siskiyou lewisia

native
Perennial herb

Lewisia cotyledon ssp. carousel Cliff lewisia, Siskiyou lewisia

native
Perennial herb

Lewisia cotyledon var. howelli Cliff lewisia, Siskiyou lewisia

native
Perennial herb

Lewisia cotyledon var. cotyledon Cliff lewisia, Siskiyou lewisia

native
Perennial herb

Lewisia cotyledon var. heckneri Heckner's lewisia

• rare native
Perennial herb

Lewisia cotyledon var. howellii Howell's lewisia

• rare native
Perennial herb

Lewisia disepala Yosemite lewisia

• rare native
Perennial herb

Lewisia glandulosa Glandular lewisia, Sierra lewisia

native
Perennial herb

Lewisia kelloggii Kellogg's lewisia

native
Perennial herb

Lewisia kelloggii ssp. hutchisonii Sierra valley lewisia

• rare native
Perennial herb

Lewisia kelloggii ssp. kelloggii Kellogg's lewisia

• rare native
Perennial herb

Lewisia leana Quill leaf lewisia

native
Perennial herb

Lewisia leeana Quill leaf lewisia

native
Perennial herb

Lewisia longipetala Long petaled lewisia, Truckee lewisia

• rare native
Perennial herb

Lewisia nevadensis Nevada bitter root, Nevada lewisia, Sierra lewisia

native
Perennial herb

Lewisia pygmaea var. nevadensis Nevada bitter root, Nevada lewisia, Sierra lewisia

native
Perennial herb

Lewisia oppositifolia Opposite leaved lewisia, Oppositeleaf lewisia

• rare native
Perennial herb

Lewisia pygmaea Alpine lewisia, Pigmy bitter root

native
Perennial herb

Lewisia rediviva Bitter root

native
Perennial herb

Lewisia rediviva var. minor Bitter root

native
Perennial herb

Lewisia rediviva var. rediviva Bitter root

native
Perennial herb

Lewisia serrata Saw toothed lewisia, Sawtooth lewisia

• rare native
Perennial herb

Lewisia stebbinsii Stebbins' lewisia, Stebbins's lewisia

• rare native
Perennial herb

Lewisia triphylla Three leafed lewisia, Three leaved lewisia, Threeleaf lewisia

native
Perennial herb

Leycesteria formosa Himalayan honeysuckle

non-native
Shrub

Ligusticum apiifolium Celery leaved lovage, Celeryleaf licorice root, Lovage

native
Perennial herb

Ligusticum californicum California licorice root, California lovage

native
Perennial herb

Ligusticum grayi Gray's licorice root, Gray's lovage, Gray's wild lovage

native
Perennial herb

Ligustrum japonicum Japanese privet

non-native
Tree, Shrub

Ligustrum lucidum Glossy privet

• invasive non-native
Tree, Shrub

Ligustrum ovalifolium California privet

non-native
Tree, Shrub

Ligustrum sinense Chinese privet

non-native
Tree, Shrub

Ligustrum vulgare European privet

non-native
Tree, Shrub

Lilaeopsis masonii Mason's lilaeopsis, Mudflat quillplant

• rare native
Perennial herb

Lilaeopsis occidentalis Lilaeopsis, Western grasswort, Western lilaeopsis

native
Perennial herb

Lilium bolanderi Bolander's lily

• rare native
Perennial herb (bulb)

Lilium columbianum Columbia lily, Columbian lily, Oregon lily

native
Perennial herb

Lilium humboldtii Humboldt's lily

native
Perennial herb

Lilium humboldtii ssp. humboldtii Humboldt's lily

• rare native
Perennial herb (bulb)

Lilium humboldtii ssp. ocellatum Humboldt lily, Spotted humboldt's lily

• rare native
Perennial herb (bulb)

Lilium kelleyanum Kelley's lily

native
Perennial herb

Lilium kelloggii Kellogg's lily

• rare native
Perennial herb (bulb)

Lilium maritimum Coast lily

• rare native
Perennial herb (bulb)

Lilium occidentale Western lily

• rare native
Perennial herb (bulb)

Lilium pardalinum California tiger lily, Leopard lily, Tiger lily

native
Perennial herb

Lilium pardalinum ssp. pardalinum Leopard lily

native
Perennial herb

Lilium pardalinum ssp. pitkinense Pitkin marsh lily

• rare native
Perennial herb (bulb)

Lilium pardalinum ssp. shastense Shasta lily

native
Perennial herb

Lilium pardalinum ssp. vollmeri Vollmer's lily

• rare native
Perennial herb (bulb)

Lilium pardalinum ssp. wigginsii Wiggins' lily

• rare native
Perennial herb (bulb)

Lilium parryi Lemon lily

• rare native
Perennial herb (bulb)

Lilium parvum Alpine lily, Sierra tiger lily

native
Perennial herb

Lilium rubescens Chaparral lily, Redwood lily

• rare native
Perennial herb (bulb)

Lilium washingtonianum Washington lily

native
Perennial herb

Lilium washingtonianum ssp. purpurascens Cascade lily, Purple flowered washington lily

• rare native
Perennial herb (bulb)

Lilium washingtonianum ssp. purpurascens

Lilium washingtonianum ssp. washingtonianum Typical washington lily

native
Perennial herb

Lilium washingtonianum ssp. washingtonianum

Limnanthes alba White meadowfoam

native
Annual herb

Limnanthes alba ssp. alba Typical white meadowfoam

native
Annual herb

Limnanthes alba ssp. parishii Parish's meadowfoam

• rare native
Annual herb

Limnanthes alba ssp. versicolor White meadowfoam

native
Annual herb

Limnanthes bakeri Baker's meadowfoam

• rare native
Annual herb

Limnanthes douglasii Common meadowfoam, Douglas' meadowfoam

native
Annual herb

Limnanthes douglasii ssp. douglasii Douglas' meadowfoam

native
Annual herb

Limnanthes douglasii ssp. nivea Snow white meadowfoam

native
Annual herb

Limnanthes douglasii var. nivea Snow white meadowfoam

native
Annual herb

Limnanthes douglasii ssp. ornduffii Ornduff's meadowfoam

• rare native
Annual herb

Limnanthes douglasii ssp. rosea Rosy douglas' meadowfoam

native
Annual herb

Limnanthes douglasii ssp. striata Foothill meadowfoam

native
Annual herb

Limnanthes striata Foothill meadowfoam

native
Annual herb

Limnanthes douglasii ssp. sulphurea Douglas' meadowfoam, Meadow foam, Point Reyes meadowfoam

• rare native
Annual herb

Limnanthes floccosa ssp. pumila Woolly meadowfoam

native
Annual herb

Limnanthes floccosa ssp. bellingeriana Bellinger's meadowfoam, Woolly meadowfoam

• rare native
Annual herb

Limnanthes floccosa ssp. californica Butte county meadowfoam, California meadowfoam

• rare native
Annual herb

Limnanthes floccosa ssp. floccosa Woolly meadowfoam

• rare native
Annual herb

Limnanthes macounii Macoun's meadowfoam

non-native
Annual herb

Limnanthes montana Mountain meadowfoam

native
Annual herb

Limnanthes vinculans Sebastopol meadowfoam

• rare native
Annual herb

Limnobium spongia American spongeplant

• invasive non-native
Perennial herb

Limnophila sessiliflora Asian marshweed

non-native
Perennial herb

Limonium binervosum Rock sea lavender

non-native
Perennial herb

Limonium californicum California sealavender, Marsh rosemary, Sea lavender

native
Perennial herb

Limonium duriusculum European sea lavender

• invasive non-native
Perennial herb

Limonium perezii Canarian sea lavender, Perez's sealavender

non-native
Perennial herb

Limonium ramosissimum Algerian sealavender

non-native
Perennial herb

Limonium sinuatum Statice, Wavyleaf sealavender

non-native
Perennial herb

Limonium sventenii

non-native
Perennial herb

Limosella acaulis Broad leaved mudwort, Owyhee mudwort, Southern mudwort

native
Annual herb

Limosella aquatica Northern mudwort, Water mudwort

native
Annual herb (aquatic)

Limosella australis Welsh mudwort

• rare native
Perennial herb

Linanthus arenicola Sand linanthus, Sanddune linanthus

native
Annual herb

Linanthus bellus Desert beauty, Desertbeauty

• rare native
Annual herb

Linanthus bernardinus Pioneertown linanthus

• rare native
Annual herb

Linanthus bigelovii Bigelow's linanthus

native
Annual herb

Linanthus californicus Prickly phlox

native
Shrub

Gilia campanulata Bellshape gilia

native
Annual herb

Linanthus campanulatus Bellshape gilia

native
Annual herb

Linanthus concinnus San gabriel linanthus

• rare native
Annual herb

Linanthus demissus Desert linanthus, Desertsnow

native
Annual herb

Linanthus dianthiflorus Fringed linanthus

native
Annual herb

Linanthus dichotomus Evening snow, Eveningsnow

native
Annual herb

Linanthus dichotomus ssp. dichotomus Evening snow

native
Annual herb

Linanthus dichotomus ssp. meridianus Evening snow

native
Annual herb

Linanthus filiformis Yellow gilia

native
Annual herb

Linanthus inyoensis Inyo gilia

native
Annual herb

Linanthus jaegeri San jacinto linanthus

• rare native
Perennial herb

Linanthus jonesii Jones linanthus, Jones' linanthus

native
Annual herb

Linanthus killipii Baldwin lake linanthus

• rare native
Annual herb

Linanthus maculatus Little san bernardino mtns. linanthus

native
Annual herb

Linanthus maculatus ssp. emaculatus Jacumba Mountains linanthus

• rare native
Annual herb

Linanthus maculatus ssp. maculatus Little San Bernardino Mtns. linanthus

• rare native
Annual herb

Linanthus orcuttii Orcutt's linanthus

• rare native
Annual herb

Linanthus parryae Parry's linanthus, Sand blossoms, Sandblossoms

native
Annual herb

Leptodactylon pungens Granite prickly phlox

native
Shrub

Linanthus pungens Granite prickly phlox

native
Shrub

Linaria bipartita Clovenlip toadflax, Split lip toadflax

non-native
Annual herb

Linaria dalmatica Dalmatian toadflax

non-native
Perennial herb

Linaria dalmatica ssp. dalmatica Dalmatian toadflax

• invasive non-native
Perennial herb

Linaria genistifolia ssp. dalmatica Dalmatian toadflax

• invasive non-native
Perennial herb

Linaria genistifolia Broomleaf toadflax

non-native
Perennial herb

Linaria maroccana Moroccan toad flax, Moroccan toadflax

non-native
Annual herb

Linaria reticulata Pine needle toad flax, Pineneedle toadflax

non-native
Annual herb

Linaria purpurea Purple toad flax, Purple toadflax

non-native
Perennial herb

Linaria vulgaris Butter and eggs

• invasive non-native
Perennial herb

Lindernia dubia Yellowseed false pimpernel

native
Annual herb

LINDERNIACEAE

Linnaea borealis Twinflower

native
Perennial herb

LINNAEACEAE

Linnaea borealis ssp. longiflora Twinflower

native
Perennial herb

LINNAEACEAE

Linnaea borealis var. longiflora Twin flower

native
Perennial herb

LINNAEACEAE

Linum bienne Narrow leaved flax, Pale flax, Small flowered flax

non-native
Annual herb

Linum grandiflorum Flowering flax, Garden flax

non-native
Annual herb

Linum lewisii Blue flax, Lewis' flax, Prairie flax

native
Perennial herb

Linum lewisii var. alpicola Lewis' flax, Prairie flax

native
Perennial herb

Linum lewisii var. lewisii Lewis' flax, Prairie flax

native
Perennial herb

Linum neomexicanum New mexico yellow flax

non-native
Perennial herb

Linum perenne Blue flax

non-native
Perennial herb

Linum puberulum Hairy flax, Plains flax

• rare native
Annual herb

Linum trigynum French flax

non-native
Annual herb

Linum usitatissimum Common flax

non-native
Annual herb

Lipocarpha aristulata Awned halfchaff sedge, Pointed hemicarpha

native
Annual grasslike herb

Lipocarpha micrantha Small flowered hemicarpha, Smallflower halfchaff sedge

native
Annual grasslike herb

Lipocarpha occidentalis Western halfchaff sedge, Western hemicarpha

native
Annual grasslike herb

Liquidambar styraciflua Sweetgum

non-native
Tree

HAMAMELIDACEAE

Liriodendron tulipifera Tuliptree

non-native
Tree

MAGNOLIACEAE

Listera banksiana Northwest twayblade

native
Perennial herb

Listera caurina Northwest twayblade

native
Perennial herb

Listera convallarioides Broad leaved tway blade, Broad lipped twayblade, Broadlipped twayblade

native
Perennial herb

Listera cordata Heart leaved twayblade, Heartleaf twayblade

• rare native
Perennial herb

Listera cordata var. nephrophylla Heart leaved twayblade, Heartleaf twayblade

• rare native
Perennial herb

Lithophragma affine Common woodland star, San francisco woodland star, Woodland star

native
Perennial herb

Lithophragma bolanderi Bolander's woodland star, Hillstar, Sierra star

native
Perennial herb

Lithophragma campanulatum Siskiyou mountain woodland star

native
Perennial herb

Lithophragma cymbalaria Mission star, Mission woodland star

native
Perennial herb

Lithophragma glabrum Bulbed woodland star, Bulbous woodland star, Bulbous woodlandstar

native
Perennial herb

Lithophragma heterophyllum Hill star, Hillside woodland star

native
Perennial herb

Lithophragma parviflorum Pink woodland star, Prairie star, Smallflower woodland star

native
Perennial herb

Lithophragma parviflorum var. trifoliata Pink woodland star, Prairie star, Smallflower woodland star

native
Perennial herb

Lithophragma parviflorum var. trifoliata

Lithophragma parviflorum var. parviflorum Pink woodland star, Smallflower woodland star

native
Perennial herb

Lithophragma parviflorum var. parviflorum

Lithophragma parviflorum var. trifoliatum Prairie woodland star

native
Perennial herb

Lithophragma parviflorum var. trifoliatum

Lithophragma tenellum Slender woodland star, Slender woodlandstar, Woodland star

native
Perennial herb

Buglossoides arvensis Gromwell

non-native
Annual herb

Lithospermum arvense Gromwell

non-native
Annual herb

Lithospermum californicum California gromwell, California stoneseed, Gromwell

native
Perennial herb

Lithospermum canescens Hoary puccoon

non-native
Perennial herb

Lithospermum incisum Narrowleaf gromwell, Narrowleaf stoneseed

• rare native
Perennial herb

Lithospermum ruderale Columbia puccoon, Western gromwell, Western stoneseed

native
Perennial herb

Lobelia cardinalis Cardinalflower

native
Perennial herb

Lobelia splendens Cardinalflower

native
Perennial herb

Lobelia cardinalis var. pseudosplendens Cardinal flower, Scarlet lobelia

native
Perennial herb

Lobelia dunnii var. serrata Dunn's lobelia

native
Perennial herb

Lobelia erinus Edging lobelia

non-native
Annual herb

Lobelia laxiflora Sierra madre lobelia

non-native
Perennial herb

Lobularia maritima Sweet alyssum

• invasive non-native
Perennial herb

Loeflingia squarrosa Spreading loeflingia, Spreading pygmyleaf

native
Annual herb

Loeflingia squarrosa var. artemisiarum Sagebrush loeflingia

• rare native
Annual herb

Ipomopsis depressa Depressed ipomopsis

• rare native
Annual herb

Loeseliastrum depressum Depressed ipomopsis

• rare native
Annual herb

Langloisia matthewsii Desert calico

native
Annual herb

Loeseliastrum matthewsii Desert calico

native
Annual herb

Loeseliastrum schottii Schott gilia, Schott's calico

native
Annual herb

Logfia arizonica Arizona cottonrose

native
Annual herb

Logfia depressa Dwarf cottonrose

native
Annual herb

Filago californica California cottonrose

native
Annual herb

Logfia filaginoides California cottonrose

native
Annual herb

Filago gallica Narrowleaf cottonrose

non-native
Annual herb

Logfia gallica Narrowleaf cottonrose

non-native
Annual herb

Lomatium austiniae Plummer's lomatium

native
Perennial herb

Lomatium donnellii Plummer's lomatium

native
Perennial herb

Lomatium plummerae Plummer's lomatium

native
Perennial herb

Lomatium bicolor var. bicolor Wasatch desertparsley

native
Perennial herb

Lomatium bicolor var. leptocarpum Slender fruited lomatium, Wasatch desertparsley

native
Perennial herb

Lomatium californicum California lomatium, Celery weed

native
Perennial herb

Lomatium canbyi Canby's biscuitroot, Canby's lomatium

• rare native
Perennial herb

Lomatium caruifolium Alkali desertparsley, Alkali parsnip, Caraway leaved lomatium

native
Perennial herb

Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium

native
Perennial herb

Lomatium caruifolium var. denticulatum Alkali desertparsley, Caraway leaved lomatium

native
Perennial herb

Lomatium ciliolatum Yolla bolly biscuitroot, Yolla bolly lomatium

native
Perennial herb

Lomatium congdonii Congdon's lomatium, Mariposa desertparsley

• rare native
Perennial herb

Lomatium dasycarpum Hog fennel, Lace parsnip, Woolly fruited lomatium

native
Perennial herb

Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley

native
Perennial herb

Lomatium dasycarpum ssp. tomentosum Woolly fruited lomatium, Woollyfruit desertparsley

native
Perennial herb

Lomatium dissectum Fern leaved lomatium, Fernleaf biscuitroot

native
Perennial herb

Lomatium dissectum var. dissectum Fern leaved lomatium, Fernleaf biscuitroot

native
Perennial herb

Lomatium engelmannii Engelmann's desertparsley, Engelmann's lomatium

• rare native
Perennial herb

Lomatium foeniculaceum Desert biscuitroot, Fennel leaved lomatium

native
Perennial herb

Lomatium foeniculaceum ssp. fimbriatum Desert biscuitroot, Fennel leaved lomatium

native
Perennial herb

Lomatium foeniculaceum ssp. inyoense Inyo biscuitroot, Inyo lomatium

• rare native
Perennial herb

Lomatium foeniculaceum ssp. macdougalii Macdougal's lomatium

• rare native
Perennial herb

Orogenia fusiformis California indian potato

native
Perennial herb

Lomatium gormanii Gorman's biscuitroot

non-native
Perennial herb

Lomatium grayi Gray's lomatium

• rare native
Perennial herb

Lomatium hallii Hall's lomatium

native
Perennial herb

Lomatium hendersonii Henderson's biscuitroot, Henderson's lomatium

• rare native
Perennial herb

Lomatium hooveri Hoover's lomatium

• rare native
Perennial herb

Lomatium howellii Howell's biscuitroot, Howell's lomatium

• rare native
Perennial herb

Lomatium insulare San Nicholas biscuitroot, San Nicolas island lomatium

• rare native
Perennial herb

Lomatium lucidum Shiny biscuitroot, Shiny lomatium

native
Perennial herb

Lomatium macrocarpum Bigseed biscuitroot, Large fruited lomatium

native
Perennial herb

Lomatium marginatum Butte desertparsley, Hartweg's lomatium, Tall hog fennel

native
Perennial herb

Lomatium marginatum var. marginatum Butte desertparsley, Hartweg's lomatium

native
Perennial herb

Lomatium marginatum var. purpureum Butte desertparsley, Jepson's lomatium

native
Perennial herb

Lomatium martindalei Cascade desertparsley, Coast range lomatium

• rare native
Perennial herb

Lomatium mohavense Mohave wild parsely, Mojave desertparsley, Mojave lomatium

native
Perennial herb

Lomatium dissectum var. eatonii Fern leaved lomatium

native
Perennial herb

Lomatium dissectum var. multifidum Fern leaved lomatium

native
Perennial herb

Lomatium nevadense Nevada biscuitroot, Nevada lomatium

native
Perennial herb

Lomatium nevadense var. nevadense Nevada biscuitroot, Nevada lomatium

native
Perennial herb

Lomatium nevadense var. parishii Parish's biscuitroot, Parish's lomatium

native
Perennial herb

Lomatium nudicaule Barestem biscuitroot, Pestle lomatium, Pestle parsnip

native
Perennial herb

Lomatium observatorium Mt. hamilton lomatium

• rare native
Perennial herb

Lomatium parryi Parry's lomatium, Utah desertparsley

native
Perennial herb

Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium

• rare native
Perennial herb

Lomatium parvifolium var. parvifolium Coastal biscuitroot, Small leaved lomatium

• rare native
Perennial herb

Lomatium peckianum Peck's desertparsley, Peck's lomatium

• rare native
Perennial herb

Lomatium piperi Indian biscuitroot, Piper's lomatium

native
Perennial herb

Lomatium ravenii Lassen parsley, Raven's lomatium

• rare native
Perennial herb

Lomatium repostum Napa biscuitroot, Napa lomatium

• rare native
Perennial herb

Lomatium rigidum Big pine biscuitroot, Stiff lomatium

• rare native
Perennial herb

Lomatium roseanum Biscuitroot

• rare native
Perennial herb

Lomatium shevockii Owens peak desertparsley, Owens peak lomatium

• rare native
Perennial herb

Lomatium stebbinsii Stebbins' desertparsley, Stebbins's lomatium

• rare native
Perennial herb

Lomatium torreyi Sierra biscuitroot, Torrey's lomatium

native
Perennial herb

Lomatium tracyi Tracy's desertparsley, Tracy's lomatium

• rare native
Perennial herb

Lomatium triternatum Lewis' lomatium, Lewis's lomatium, Lomatium

native
Perennial herb

Lomatium triternatum var. anomalum Lewis' lomatium, Lewis's lomatium, Lomatium

native
Perennial herb

Lomatium triternatum var. macrocarpum Large fruited lewis' lomatium, Nineleaf biscuitroot

native
Perennial herb

Lomatium triternatum var. triternatum Lewis' lomatium, Nineleaf biscuitroot

native
Perennial herb

Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel

native
Perennial herb

Lomatium vaginatum Broadsheath desertparsley, Sheathed lomatium

native
Perennial herb

Lonicera cauriana Blue fly honeysuckle, Sweet berry honeysuckle

native
Shrub

Lonicera ciliosa Orange honeysuckle

native
Vine, Shrub

Lonicera conjugialis Double honeysuckle, Purpleflower honeysuckle

native
Shrub

Lonicera etrusca Etruscan honeysuckle, Honeysuckle

non-native
Vine, Shrub

Lonicera hispidula Pink honeysuckle

native
Vine, Shrub

Lonicera hispidula var. vacillans Pink honeysuckle

native
Vine, Shrub

Lonicera interrupta Chaparral honeysuckle

native
Vine, Shrub

Lonicera involucrata Coast twinberry, Twin berry, Twinberry honeysuckle

native
Shrub

Lonicera involucrata var. involucrata Twinberry honeysuckle

native
Shrub

Lonicera involucrata var. ledebourii Coast twinberry, Twinberry honeysuckle

native
Shrub

Lonicera japonica Japanese honeysuckle

non-native
Vine, Shrub

Lonicera maackii Amur honeysuckle

non-native
Vine, Shrub

Lonicera subspicata Southern honeysuckle

native
Shrub

Lonicera subspicata var. denudata Chaparral honeysuckle, Johnston's honeysuckle, Santa barbara honeysuckle

native
Shrub

Lonicera subspicata var. subspicata Santa Barbara honeysuckle, Southern honeysuckle

• rare native
Shrub

Lonicera tatarica Tatarian honeysuckle

non-native
Shrub

Lotus angustissimus Slender bird's foot trefoil, Slender lotus

non-native
Annual herb

Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil

• invasive non-native
Perennial herb

Lotus tenuis Narrow-leaf bird's-foot trefoil

non-native
Perennial herb

Lotus pedunculatus Marsh lotus

non-native
Perennial herb

Lotus uliginosus Marsh lotus

non-native
Perennial herb

Ludwigia decurrens Wingleaf primrose-willow

non-native
Perennial herb

Ludwigia grandiflora Large-flowered primrose-willow

non-native
Perennial herb

Ludwigia hexapetala Ludwigia, Six petal water primrose

• invasive non-native
Perennial herb

Ludwigia palustris Marsh purslane, Marsh seedbox

native
Perennial herb (aquatic)

Ludwigia peploides Floating primrose willow, Floating water primrose, Marsh purslane

• invasive non-native
Perennial herb

Ludwigia peploides ssp. montevidensis Floating primrose willow, Floating water primrose

• invasive non-native
Perennial herb

Ludwigia peploides ssp. peploides Floating primrose willow, Floating water primrose, Marsh purslane

native
Perennial herb

Luetkea pectinata Partridge foot, Partridgefoot

native
Shrub

Luina hypoleuca Little leaf luina, Littleleaf silverback

native
Perennial herb

Luina serpentina Creeping silverback

non-native
Perennial herb

Luma apiculata Temu

non-native
Tree, Shrub

Lunaria annua Annual honesty, Annual moonwort, Honesty

non-native
Annual, Perennial herb

Lupinus adsurgens Drew's silky lupine

native
Perennial herb

Lupinus adsurgens ssp. undulatus Drew's silky lupine

native
Perennial herb

Lupinus affinis Fleshy lupine

native
Annual herb

Lupinus albicaulis Sickle keeled lupine, Sicklekeel lupine, White stemmed lupine

native
Perennial herb

Lupinus albifrons Silver bush lupine, Silver lupine

native
Shrub

Lupinus albifrons var. abramsii Abrams' lupine

• rare native
Perennial herb

Lupinus albifrons var. albifrons Silver bush lupine, Silver lupine

native
Shrub

Lupinus excubitus var. austromontanus Southern mountain lupine

native
Shrub

Lupinus albifrons var. collinus Silver bush lupine, Silver lupine, low growing silver lupine

native
Shrub

Lupinus albifrons var. douglasii Douglas' silver bush lupine, Douglas' silver lupine, long-bracted silver lupine

native
Shrub

Lupinus excubitus var. hallii Hall's bush lupine

native
Shrub

Lupinus excubitus var. medius mountain springs lupine

• rare native
Shrub

Lupinus andersonii Anderson's lupine

native
Perennial herb

Lupinus angustiflorus Narrow flowered lupine, Narrowflower lupine

native
Perennial herb

Lupinus antoninus Anthony peak lupine

• rare native
Perennial herb

Lupinus apertus Naked lupine, Summit lupine

native
Perennial herb

Lupinus arboreus Coastal bush lupine, Yellow bush lupine

native
Shrub

Lupinus arboreus var. arboreus Coastal bush lupine, Yellow bush lupine

native
Shrub

Lupinus propinquus Coastal bush lupine, Yellow bush lupine

native
Shrub

Lupinus arboreus var. eximius San mateo tree lupine

• rare native
Shrub

Lupinus eximius San mateo tree lupine

• rare native
Shrub

Lupinus arbustus Long spurred lupine, Longspur lupine

native
Perennial herb

Lupinus arbustus ssp. calcaratus Long spurred lupine, Longspur lupine

native
Perennial herb

Lupinus argenteus Silvery lupine

native
Perennial herb

Lupinus argenteus var. rubicaulis Silvery lupine

native
Perennial herb

Lupinus argenteus ssp. argenteus Silvery lupine

native
Perennial herb

Lupinus argenteus var. argenteus Silvery lupine

native
Perennial herb

Lupinus argenteus var. heteranthus Silvery lupine

native
Perennial herb

Lupinus argenteus var. utahensis Silvery lupine

native
Perennial herb

Lupinus caudatus Silvery lupine

native
Perennial herb

Lupinus caudatus ssp. caudatus Silvery lupine

native
Perennial herb

Lupinus argenteus var. meionanthus Lake tahoe lupine

native
Perennial herb

Lupinus argenteus var. montigenus Silvery lupine

native
Perennial herb

Lupinus argenteus var. palmeri Palmer's silver lupine

native
Perennial herb

Lupinus arizonicus Arizona lupine

native
Annual herb

Lupinus arizonicus var. arizonicus Arizona lupine

native
Annual herb

Lupinus benthamii Bentham lupine, Spider lupine

native
Annual herb

Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine

native
Annual, Perennial herb

Lupinus polycarpus Annual lupine, Bicolored lupine, Miniature lupine

native
Annual, Perennial herb

Lupinus brevicaulis Sand lupine, Short stemmed blue lupine, Shortstem lupine

native
Annual herb

Lupinus breweri Brewer's lupine

native
Perennial herb

Lupinus breweri var. breweri Brewer's lupine

native
Perennial herb

Lupinus breweri var. bryoides Matted brewer's lupine, Matted lupine

native
Perennial herb

Lupinus breweri var. grandiflorus Matted lupine, Showy brewer's lupine

native
Perennial herb

Lupinus burkei Largeleaf lupine

non-native
Annual herb

Lupinus cervinus Santa lucia lupine

• rare native
Perennial herb

Lupinus chamissonis Beach blue lupine, Chamisso bush lupine, Dune bush lupine

native
Shrub

Lupinus citrinus Fragrant lupine, Orange lupine, Orangeflower lupine

native
Annual herb

Lupinus citrinus ssp. citrinus Fragrant lupine, Orange lupine, Orangeflower lupine

native
Annual herb

Lupinus citrinus var. citrinus Orange lupine, Orangeflower lupine

• rare native
Annual herb

Lupinus citrinus var. deflexus Mariposa lupine, Orangeflower lupine

• rare native
Annual herb

Lupinus concinnus Bajada lupine, Elegant lupine, Scarlet lupine

native
Annual herb

Lupinus concinnus var. agardhianus Bajada lupine, Elegant lupine, Scarlet lupine

native
Annual herb

Lupinus constancei Lassics lupine

• rare native
Perennial herb

Lupinus covillei Shaggy lupine

native
Perennial herb

Lupinus croceus Mt. eddy lupine

native
Perennial herb

Lupinus croceus ssp. croceus Mt. eddy lupine

native
Perennial herb

Lupinus croceus var. pilosellus Mt. eddy lupine, Saffron flowered lupine

• rare native
Perennial herb

Lupinus dalesiae Quincy lupine

• rare native
Perennial herb

Lupinus duranii Duran's lupine, Mono lake lupine, Mono lupin

• rare native
Perennial herb

Lupinus elatus Tall silky lupine

• rare native
Perennial herb

Lupinus elmeri Elmer's lupine

• rare native
Perennial herb

Lupinus excubitus Adonis lupine, Grape lupine, Grape soda lupine

native
Shrub

Lupinus excubitus var. excubitus Grape lupine, Grape soda lupine

native
Shrub

Lupinus flavoculatus Yellow eyed lupine, Yelloweyes

native
Annual herb

Lupinus formosus Lupine, Summer lupine, Western lupine

native
Perennial herb

Lupinus formosus var. formosus Summer lupine, Western lupine

native
Perennial herb

Lupinus formosus var. robustus Giant western lupine, Summer lupine

native
Perennial herb

Lupinus fulcratus Green stipuled lupine, Greenstipule lupine

native
Perennial herb

Lupinus grayi Gray's lupine, Sierra lupine

native
Perennial herb

Lupinus guadalupensis Guadalupe island lupine

• rare native
Annual herb

Lupinus hirsutissimus Stinging annual lupine, Stinging lupine

native
Annual herb

Lupinus holmgrenianus Holmgren's lupine

• rare native
Perennial herb

Lupinus hyacinthinus Hyacinth lupine, San jacinto lupine, Summer lupine

native
Perennial herb

Lupinus lapidicola Heller's dwarf lupine, Mt. Eddy lupine

• rare native
Perennial herb

Lupinus latifolius Bigleaf lupine, Broad leaf lupine, Broadleaf lupine

native
Perennial herb

Lupinus latifolius var. thompsonianus Bigleaf lupine, Broad leaf lupine, Broadleaf lupine

native
Perennial herb

Lupinus latifolius var. columbianus Broad leaf lupine

native
Perennial herb

Lupinus latifolius var. latifolius Broad leaf lupine

native
Perennial herb

Lupinus latifolius var. parishii Parish's lupine

native
Perennial herb

Lupinus latifolius var. viridifolius Green leaf lupine

native
Perennial herb

Lupinus lepidus Pacific lupine, Tidy lupine

native
Perennial herb

Lupinus lepidus var. ashlandensis Pacific lupine, Tidy lupine

native
Perennial herb

Lupinus lepidus var. lobbi Pacific lupine, Tidy lupine

native
Perennial herb

Lupinus lepidus var. confertus Clustered tidy lupine

native
Perennial herb

Lupinus lepidus var. culbertsonii Hockett meadows lupine

• rare native
Perennial herb

Lupinus lepidus var. lobbii Lobb's lupine, Lobb's tidy lupine

native
Perennial herb

Lupinus sellulus ssp. sellulus var. lobbii Lobb's lupine, Lobb's tidy lupine

native
Perennial herb

Lupinus sellulus ssp. sellulus var. lobbii

Lupinus sellulus var. lobbii Lobb's lupine, Lobb's tidy lupine

native
Perennial herb

Lupinus lepidus var. ramosus Branched tidy lupine

native
Perennial herb

Lupinus lepidus var. sellulus Dwarf tidy lupine, Stool lupine, Torrey's lupine

native
Perennial herb

Lupinus sellulus Dwarf tidy lupine, Stool lupine, Torrey's lupine

native
Perennial herb

Lupinus sellulus ssp. sellulus var. sellulus Dwarf tidy lupine, Stool lupine, Torrey's lupine

native
Perennial herb

Lupinus sellulus ssp. sellulus var. sellulus

Lupinus lepidus var. utahensis Utah tidy lupine

• rare native
Perennial herb

Lupinus leucophyllus Velvet lupine

native
Perennial herb

Lupinus littoralis Seashore lupine

native
Perennial herb

Lupinus variicolor

native
Shrub

Lupinus longifolius Long leaf bush lupine, Longleaf bush lupine

native
Shrub

Lupinus ludovicianus San luis lupine, San luis obispo county lupine

• rare native
Perennial herb

Lupinus luteolus Butter lupine, Pale yellow lupine

native
Annual herb

Lupinus magnificus Magnificent lupine, Panamint mountain lupine

native
Perennial herb

Lupinus magnificus var. glarecola Coso mtns. lupine, Panamint mountain lupine

• rare native
Perennial herb

Lupinus magnificus var. magnificus Panamint mountain lupine, Panamint mtns. lupine

• rare native
Perennial herb

Lupinus microcarpus Chick lupine

native
Annual herb

Lupinus densiflorus var. densiflorus Chick lupine, Dense flowered platycarpos, Whitewhorl lupine

native
Annual herb

Lupinus microcarpus var. densiflorus Chick lupine, Dense flowered platycarpos, Whitewhorl lupine

native
Annual herb

Lupinus microcarpus var. horizontalis Chick lupine

native
Annual herb

Lupinus microcarpus var. microcarpus Chick lupine, Valley lupine

native
Annual herb

Lupinus milo-bakeri Milo baker's lupine

• rare native
Annual herb

Lupinus nanus Sky lupine

native
Annual herb

Lupinus nevadensis Nevada lupine

• rare native
Perennial herb

Lupinus nipomensis Nipomo lupine, Nipomo mesa lupine

• rare native
Annual herb

Lupinus obtusilobus Bluntlobe lupine, Satin lupine, Shasta lupine

native
Perennial herb

Lupinus odoratus Mojave lupine, Mojave royal lupine, Royal lupine

native
Annual herb

Lupinus onustus Northern lupine, Plumas lupine

native
Perennial herb

Lupinus pachylobus Big pod lupine, Fatpod lupine, Mt. diablo lupine

native
Annual herb

Lupinus padre-crowleyi Dedecker lupine, Father crowley's lupine

• rare native
Perennial herb

Lupinus paynei Payne's bush lupine

• rare native
Shrub

Lupinus peirsonii Long lupine, Peirson's lupine

• rare native
Perennial herb

Lupinus polyphyllus Bigleaf lupine, Bog lupine, Meadow lupine

native
Perennial herb

Lupinus polyphyllus ssp. superbus Burke's lupine, Meadow lupine

native
Perennial herb

Lupinus polyphyllus var. burkei Burke's lupine, Meadow lupine

native
Perennial herb

Lupinus polyphyllus var. polyphyllus Meadow lupine

native
Perennial herb

Lupinus saxosus

native
perennial herb

Lupinus pratensis Inyo meadow lupine

native
Perennial herb

Lupinus pratensis var. pratensis Inyo meadow lupine

native
Perennial herb

Lupinus pusillus Rusty lupine

native
Annual herb

Lupinus pusillus var. intermontanus Intermountain lupine

• rare native
Annual herb

Lupinus rivularis Riverbank lupine

native
Perennial herb

Lupinus sericatus Cobb Mountain lupine

• rare native
Perennial herb

Lupinus shockleyi Purple desert lupine, Shockley lupine

native
Annual herb

Lupinus sparsiflorus Coulter's lupine, Mohave lupine, Mojave lupine

native
Annual herb

Lupinus sparsiflorus ssp. sparsiflorus Coulter's lupine, Mohave lupine, Mojave lupine

native
Annual herb

Lupinus sparsiflorus ssp. mohavensis Mojave lupine

native
Annual herb

Lupinus spectabilis Shaggyhair lupine

• rare native
Annual herb

Lupinus stiversii Harlequin annual lupine, Harlequin lupine

native
Annual herb

Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine

native
Annual herb

Lupinus tidestromii Tidestrom's lupine

• rare native
Perennial herb (rhizomatous)

Lupinus tidestromii var. layneae Tidestrom's lupine

• rare native
Perennial herb (rhizomatous)

Lupinus tracyi Tracy's lupine

• rare native
Perennial herb

Lupinus truncatus Blunt leaved lupine, Collared annual lupine, Truncate leaf lupine

native
Annual herb

Lupinus uncialis inchhigh lupine, Lilliput lupine, Inch high lupine

• rare native
Annual herb

Luzula comosa Common wood rush, Hairy wood rush, Pacific woodrush

native
Perennial grasslike herb

Luzula divaricata Forked wood rush, Forked woodrush, Spreading wood rush

native
Perennial grasslike herb

Luzula glabrata Smooth woodrush

non-native
Perennial grasslike herb

Luzula multiflora Common woodrush

native
Perennial grasslike herb

Luzula multiflora ssp. multiflora Common woodrush

native
Perennial grasslike herb

Luzula orestera Heath wood rush, Sierra woodrush

native
Perennial grasslike herb

Luzula parviflora Small flowered wood rush, Smallflowered woodrush

native
Perennial grasslike herb

Luzula parviflora var. parviflora Small flowered wood rush, Smallflowered woodrush

native
Perennial grasslike herb

Luzula piperi Piper's woodrush

native
Perennial grasslike herb

Luzula spicata Spiked wood rush, Spiked woodrush

native
Perennial grasslike herb

Luzula subcongesta Donner wood rush, Donner woodrush

native
Perennial grasslike herb

Luzula subsessilis Pacific woodrush

native
Perennial grasslike herb

Lychnis coronaria Rose campion

non-native
Perennial herb

Lycianthes rantonnetii Blue potatobush

non-native
Perennial herb

Lycium andersonii Anderson thornbush, Anderson's desert thorn, Water jacket

native
Shrub

Lycium barbarum Matrimony vine

non-native
Shrub

Lycium brevipes Baja desert thorn, Fruitilla

native
Shrub

Lycium richii Baja desert thorn, Fruitilla

native
Shrub

Lycium brevipes var. brevipes Desert thorn

native
Shrub

Lycium brevipes var. hassei Santa catalina island desert thorn

• rare native
Shrub

Lycium californicum California box thorn, California boxthorn, California desert thorn

• rare native
Shrub

Lycium cooperi Cooper's box thorn, Peach thorn

native
Shrub

Lycium exsertum Arizona desert-thorn

• rare native
Shrub

Lycium ferocissimum African boxthorn

• invasive non-native
Shrub

Lycium fremontii Fremont box thorn, Fremont's desert thorn

native
Shrub

Lycium pallidum Pale desert thorn

native
Shrub

Lycium pallidum var. oligospermum Rabbit thorn

native
Shrub

Lycium parishii Parish's desert thorn

• rare native
Shrub

Lycium parishii var. parishii Parish's desert thorn

• rare native
Shrub

Lycium shockleyi Shockley's desert-thorn

non-native
Shrub

Lycium torreyi Torrey's box thorn

• rare native
Shrub

Lycopersicon esculentum Tomato

non-native
Annual, Perennial herb

Solanum lycopersicum Tomato

non-native
Annual, Perennial herb

Lycopodiella cernua Staghorn clubmoss

non-native
Fern (rhizomatous)

Lycopodiella inundata Bog club moss, Inundated clubmoss

• rare native

Lycopodium clavatum Running clubmoss, Running pine

• rare native

Lycopodium clavatum ssp. monostachyon Running clubmoss, Running pine

• rare native

Lycopus americanus American water horehound, Bugleweed

native
Perennial herb

Lycopus uniflorus Northern bugleweed

• rare native
Perennial herb

Lycopus uniflorus var. uniflorus Northern bugleweed

• rare native
Perennial herb

Lyonothamnus floribundus Catalina ironwood, Island ironwood

native
Tree

Lyonothamnus floribundus var. asplenifolius Catalina ironwood, Island ironwood

native
Tree

Lyonothamnus floribundus var. asplenifolius

Lyonothamnus floribundus ssp. aspleniifolius Santa cruz island ironwood

• rare native
Tree

Lyonothamnus floribundus ssp. aspleniifolius

Lyonothamnus floribundus ssp. floribundus Catalina ironwood, Santa catalina island ironwood

• rare native
Tree

Lyonothamnus floribundus ssp. floribundus

Lyrocarpa coulteri Coulter's lyrepod

• rare native
Perennial herb

Lyrocarpa coulteri var. coulteri Coulter's lyrepod

• rare native
Perennial herb

Lyrocarpa coulteri var. palmeri Coulter's lyrepod

• rare native
Perennial herb

Lysichiton americanus American skunkcabbage, Yellow skunk cabbage

native
Perennial herb

Anagallis arvensis Scarlet pimpernel

non-native
Annual herb

Anagallis arvensis ssp. foemina Scarlet pimpernel

non-native
Annual herb

Anagallis arvensis var. arvensis Scarlet pimpernel

non-native
Annual herb

Lysimachia arvensis Scarlet pimpernel

non-native
Annual herb

Trientalis borealis Starflower

native
Perennial herb

Trientalis arctica Arctic starflower

• rare native
Perennial herb

Trientalis europaea Arctic starflower

• rare native
Perennial herb

Trientalis europaea ssp. arctica Arctic starflower

• rare native
Perennial herb

Lysimachia latifolia Pacific starflower

native
Perennial herb

Trientalis latifolia Pacific starflower

native
Perennial herb

Glaux maritima Sea milkwort

native
Perennial herb

Lysimachia maritima Sea milkwort

native
Perennial herb

Anagallis minima Chaffweed

native
Annual herb

Lysimachia minima Chaffweed

native
Annual herb

Anagallis monelli Flaxleaf pimpernel

non-native
Perennial herb

Lysimachia monelli Flaxleaf pimpernel

non-native
Perennial herb

Lysimachia nummularia Creeping jenny, Moneywort

non-native
Perennial herb

Lysimachia thyrsiflora Tufted loosestrife, Tufted yellow loosestrife

• rare native
Perennial herb

Lythrum californicum California loosestrife, Common loosestrife

native
Perennial herb

Lythrum hyssopifolia Hyssop loosestrife

• invasive non-native
Annual, Perennial herb

Lythrum salicaria Purple loosestrife

• invasive non-native
Perennial herb

Lythrum tribracteatum Three bracted loosestrife, Threebract loosestrife

non-native
Annual herb

Macadamia integrifolia Macadamia nut

non-native
Tree

Machaeranthera tanacetifolia Tanseyleaf tansyaster, Tansy leaved aster

native
Annual herb

Maclura pomifera Osage orange

non-native
Tree, Shrub

Madia anomala Plump seeded madia, Plumpseeded madia, Tarweed

native
Annual herb

Madia citrigracilis Shasta tarweed

native
Annual herb

Madia citriodora Lemon scented tarweed, Lemonscented madia

native
Annual herb

Madia elegans Common madia

native
Annual herb

Madia elegans ssp. densifolia Common madia

native
Annual herb

Madia exigua Little tarweed, Meager tarweed, Small tarweed

native
Annual herb

Madia glomerata Mountain tarweed

native
Annual herb

Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed

native
Annual herb

Madia radiata Golden madia, Showy madia

• rare native
Annual herb

Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed

native
Annual herb

Magnolia grandiflora Southern magnolia

non-native
Tree

MAGNOLIACEAE

Mahonia lomariifolia Chinese hollygrape

non-native
Shrub

Maianthemum dilatatum False lily of the valley, False lily of the vally, Pacific may lily

native
Perennial herb

Maianthemum racemosum Feathery false lily of the valley

native
Perennial herb

Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley

native
Perennial herb

Maianthemum racemosum ssp. racemosum Feathery false lily of the valley

native
Perennial herb

Smilacina racemosa Feathery false lily of the valley

native
Perennial herb

Maianthemum stellatum Starry false lily of the valley

native
Perennial herb

Smilacina sessilifolia Starry false lily of the valley

native
Perennial herb

Smilacina stellata Starry false lily of the valley

native
Perennial herb

Malacothamnus abbottii Abbott's bushmallow

• rare native
Shrub

Malacothamnus aboriginum Indian Valley bushmallow

• rare native
Shrub

Malacothamnus arcuatus Arcuate bushmallow

• rare native
Shrub

Malacothamnus hallii Eastern bewildering bushmallow

native
Shrub

Malacothamnus clementinus San Clemente Island bushmallow

• rare native
Shrub

Malacothamnus davidsonii Davidson's bushmallow, Tujunga bushmallow

• rare native
Shrub

Malacothamnus densiflorus Many-flowered bushmallow, Few-rayed bushmallow

native
Shrub

Malacothamnus fasciculatus Chaparral bushmallow, Southern coastal bushmallow

native
Shrub

Malacothamnus fasciculatus var. catalinensis Santa Catalina Island bushmallow

• rare native
Shrub

Malacothamnus fasciculatus var. catalinensis

Malacothamnus fasciculatus var. fasciculatus Chaparral bushmallow, Mesa bushmallow

native
Shrub

Malacothamnus fasciculatus var. fasciculatus

Malacothamnus fasciculatus var. nesioticus Santa Cruz Island bushmallow

• rare native
Shrub

Malacothamnus fasciculatus var. nesioticus

Malacothamnus fremontii Unfurled bushmallow

native
Shrub

Malacothamnus helleri Short-haired unfurled bushmallow

native
Shrub

Malacothamnus palmeri var. involucratus Carmel Valley bushmallow

native
Shrub

Malacothamnus jonesii Jones's bushmallow

• rare native
Shrub

Malacothamnus gracilis Huasna bushmallow

• rare native
Shrub

Malacothamnus niveus Fragrant-snow bushmallow

• rare native
Shrub

Malacothamnus palmeri var. lucianus Santa Lucia bushmallow

native
Shrub

Malacothamnus marrubioides Santa Clarita bushmallow

native
Shrub

Malacothamnus fasciculatus var. nuttallii Ojai bushmallow

native
Shrub

Malacothamnus fasciculatus var. nuttallii

Malacothamnus orbiculatus Tehachapi bushmallow

native
Shrub

Malacothamnus palmeri Palmer's bushmallow, Cambria bushmallow

• rare native
Shrub

Malacothamnus palmeri var. palmeri Palmer's bushmallow, Cambria bushmallow

• rare native
Shrub

Malacothrix californica California dandelion, Desert dandelion

native
Annual herb

Malacothrix clevelandii Cleveland's dandelion, Cleveland's desertdandelion, Cleveland's malacothrix

native
Annual herb

Malacothrix coulteri Snake's head

native
Annual herb

Malacothrix floccifera Woolly dandelion, Woolly desertdandelion, Woolly malacothrix

native
Annual herb

Malacothrix foliosa ssp. foliosa Leafy desertdandelion

• rare native
Annual herb

Malacothrix foliosa ssp. polycephala Manyhead desertdandelion

• rare native
Annual herb

Malacothrix glabrata Desert dandelion, Smooth desertdandelion

native
Annual herb

Malacothrix incana Dunedelion

• rare native
Perennial herb

Malacothrix indecora Santa cruz island cliff aster, Santa cruz island desertdandelion, Santa cruz island malacothrix

• rare native
Annual herb

Malacothrix saxatilis Cliff aster, Cliff desertdandelion

native
Perennial herb

Malacothrix saxatilis var. arachnoidea Carmel valley cliff aster, Cliff desertdandelion

• rare native
Perennial herb (rhizomatous)

Malacothrix saxatilis var. commutata Cliff desertdandelion, South coast range malacothrix

native
Perennial herb

Malacothrix saxatilis var. implicata Cliff aster, Cliff desertdandelion, Cliff malacothrix

native
Perennial herb

Malacothrix saxatilis var. saxatilis Cliff aster, Cliff desertdandelion

• rare native
Perennial herb

Malacothrix saxatilis var. tenuifolia Cliff desertdandelion, Short leaved cliff aster

native
Perennial herb

Malacothrix sonchoides Sow thistle malacothrix, Sowthistle desertdandelion, Yellow saucers

native
Annual herb

Malacothrix stebbinsii Stebbins' dandelion, Stebbins' desertdandelion, Stebbins' malacothrix

native
Annual herb

Malacothrix torreyi Torrey's desertdandelion, Torrey's malacothrix

native
Annual herb

Malaxis monophyllos

native
Perennial herb (bulb)

Malaxis monophyllos var. brachypoda White bog adder's-mouth

• rare native
Perennial herb (bulb)

Malcolmia maritima Virginia stock

non-native
Annual herb

Malephora crocea Coppery mesembryanthemum

• invasive non-native
Perennial herb

Malosma laurina Laurel sumac

native
Tree, Shrub

Malperia tenuis Brown turbans, Brownturbans

• rare native
Annual herb

Malus floribunda Japanese flowering crabapple

non-native
Tree

Malus fusca Oregon crab apple, Oregon crabapple

native
Tree, Shrub

Malus pumila Paradise apple

non-native
Tree

Malus sylvestris Paradise apple

non-native
Tree

Lavatera arborea Tree mallow

non-native
Shrub

Malva arborea Tree mallow

non-native
Shrub

Lavatera assurgentiflora Island mallow

native
Shrub

Malva assurgentiflora Island mallow

native
Shrub

Malva moschata Musk mallow

non-native
Annual, Perennial herb

Malva pseudolavatera

non-native
Annual, Biennial herb

Malva neglecta Common mallow, Dwarf mallow

non-native
Annual, Perennial herb

Malva nicaeensis Bull mallow

non-native
Annual herb

Malva parviflora Cheeseweed mallow

non-native
Annual herb

Lavatera cretica Cretan mallow

non-native
Shrub

Malva sylvestris High mallow

non-native
Perennial herb

Malva verticillata Cluster mallow

non-native
Annual herb

Malvella leprosa Alkali mallow

native
Perennial herb

Mammillaria dioica Fish hook cactus, Strawberry cactus

native
Shrub (stem succulent)

Mammillaria grahamii Graham's nipple cactus

native
Shrub (stem succulent)

Mammillaria grahamii var. grahamii Graham's fishhook cactus

• rare native
Shrub (stem succulent)

Mammillaria microcarpa Graham's fishhook cactus

• rare native
Shrub (stem succulent)

Mammillaria tetrancistra Common fish hook cactus, Common fishhook cactus, Fishhook cactus

native
Shrub (stem succulent)

Mangifera indica Mango

non-native
Perennial herb

Marah fabacea California man-root

native
Perennial herb, Vine

Marah fabaceus California man-root

native
Perennial herb, Vine

Marah horrida Sierra man-root

native
Perennial herb, Vine

Marah macrocarpa Chilicothe

native
Perennial herb, Vine

Marah macrocarpus Chilicothe

native
Perennial herb, Vine

Marah macrocarpus var. macrocarpus Chilicothe

native
Perennial herb, Vine

Marah macrocarpus var. major Chilicothe

native
Perennial herb, Vine

Marah oregana Coast man-root

native
Perennial herb, Vine

Marah oreganus Coast man-root

native
Perennial herb, Vine

Marah watsonii Taw Man-Root

native
Perennial herb, Vine

Marchantia polymorpha

non-native
Liverwort

MARCHANTIACEAE

Marina orcuttii var. orcuttii California marina

• rare native
Perennial herb

Marina parryi Parry dalea, Parry's false prairie clover, Parry's marina

native
Perennial herb

Marrubium vulgare White horehound

• invasive non-native
Perennial herb

Marsilea oligospora Nelson's pepperwort, Pacific waterclover

native
Fern

Marsilea vestita Hairy waterclover

native
Fern

Marsilea vestita ssp. vestita Hairy pepperwort, Hairy waterclover

native
Fern

Matelea parvifolia Spearleaf

• rare native
Perennial herb

Matricaria chamomilla German chamomile

non-native
Annual herb

Chamomilla suaveolens Pineapple weed

native
Annual herb

Matricaria discoidea Pineapple weed

native
Annual herb

Matricaria matricarioides Pineapple weed

native
Annual herb

Matricaria occidentalis Valley mayweed

native
Annual herb

Matthiola incana Tenweeks stock

non-native
Perennial herb

Maurandella antirrhiniflora Roving sailor

• rare native
Perennial herb

Maurandya antirrhiniflora Roving sailor

• rare native
Perennial herb

Mauranthemum paludosum

non-native

Maytenus boaria Mayten

• invasive non-native
Tree, Shrub

Maytenus magellanica Magellan's mayten

non-native
Tree, Shrub

Meconella californica California fairypoppy, California meconella

native
Annual herb

Meconella denticulata Small flowered meconella, Smallflower fairypoppy

native
Annual herb

Meconella oregana White fairypoppy

• rare native
Annual herb

Medicago arabica Spotted burclover, Spotted medick

non-native
Annual herb

Medicago arborea Moon trefoil

non-native
Annual herb

Medicago lupulina Black medick

non-native
Annual, Perennial herb

Medicago lupulina ssp. cupaniana Black medick

non-native
Annual, Perennial herb

Medicago lupulina var. glandulosa Black medick

non-native
Annual, Perennial herb

Medicago minima Burclover, Burr medick, Small bur clover

non-native
Annual herb

Medicago orbicularis Blackdisk medick, Buttonclover, Round leafed medick

non-native
Annual herb

Medicago hispida Bur clover, Bur medic, California burclover

• invasive non-native
Annual herb

Medicago polymorpha Bur clover, Bur medic, California burclover

• invasive non-native
Annual herb

Medicago praecox Mediterranean medick

non-native
Annual herb

Medicago sativa Alfalfa

non-native
Perennial herb

Medicago sativa ssp. sativa Alfalfa

non-native
Perennial herb

Medicago Xvaria Alfalfa

non-native
Perennial herb

Medicago scutellata Snail medick

non-native
Annual herb

Meesia triquetra Meesia moss

• rare native
Moss

MEESIACEAE

Meesia uliginosa Meesia moss

• rare native
Moss

MEESIACEAE

Melaleuca citrina

non-native
Tree

Melaleuca linariifolia Cajeput tree

non-native
Tree

Melaleuca nesophila showy honey-myrtle

non-native
Tree

Melaleuca quinquenervia Punktree

non-native
Tree

Melaleuca styphelioides Prickly-leaf teatree

non-native
Tree

Callistemon viminalis

non-native
Tree

Melampodium perfoliatum Perfoliate blackfoot

non-native
Annual herb

Melia azedarach China berry tree, Chinaberrytree, Persian lilac, china berry

non-native
Tree

MELIACEAE

Melianthus major Honey flower

non-native
Shrub

MELIANTHACEAE

Melica aristata Awned melic, Bearded melicgrass

native
Perennial grass

Melica bulbosa Big oniongrass

native
Perennial grass

Melica californica California melicgrass

native
Perennial grass

Melica frutescens Heligrass, Tall melica, Woody melicgrass

native
Perennial grass

Melica fugax Little oniongrass, Small melic, Small onion grass

native
Perennial grass

Melica geyeri Geyer's onion grass, Geyer's oniongrass

native
Perennial grass

Melica harfordii Harford melic, Harford's melica, Harford's oniongrass

native
Perennial grass

Melica imperfecta California melic, Coast range melic, Small flowered melica

native
Perennial grass

Melica spectabilis Purple onion grass, Purple oniongrass

• rare native
Perennial grass (rhizomatous)

Melica stricta Nodding melica, Rock melicgrass

native
Perennial grass

Melica subulata Alaska melic, Alaska onion grass, Alaska oniongrass

native
Perennial grass

Melica torreyana Torrey melic, Torrey's melica, Torrey's melicgrass

native
Perennial grass

Melilotus albus White sweetclover

• invasive non-native
Annual, Biennial herb

Melilotus indicus Annual yellow sweetclover, Sourclover

non-native
Annual herb

Melilotus officinalis Yellow sweetclover

non-native
Annual, Biennial herb

Melinis minutiflora Molassesgrass

non-native
Annual grass

Melinis repens Natal grass

non-native
Annual grass

Melinis repens ssp. repens Natal grass, ruby grass

non-native
Annual grass

Melissa officinalis Bee balm, Common balm, Lemon balm

non-native
Perennial herb

Menodora scabra Rough desert olive, Rough menodora

native
Shrub

Menodora scabra var. glabrescens Broom tvinberry, Desert olive

native
Perennial herb

Menodora scoparia Broom tvinberry, Desert olive

native
Perennial herb

Menodora scabra var. scabra Rough desert olive

• rare native
Shrub

Menodora spinescens Spiny desert olive, Spiny menodora, Spiny monodora

native
Shrub

Menodora spinescens var. mohavensis Mojave menodora

• rare native
Shrub

Menodora spinescens var. spinescens Spiny desert olive

native
Shrub

Mentha aquatica Water mint

non-native
Perennial herb

Mentha arvensis American wild mint, Field mint, Marsh mint

native
Perennial herb

Mentha arvensis var. canadensis Wild mint

native
Perennial herb

Mentha canadensis Wild mint

native
Perennial herb

Mentha longifolia ssp. longifolia

non-native
Perennial herb

Mentha pulegium Pennyroyal

• invasive non-native
Perennial herb

Mentha spicata Spearmint

non-native
Perennial herb

Mentha suaveolens Apple mint

non-native
Perennial herb

Mentha Xpiperita Peppermint

non-native
Perennial herb

Mentzelia affinis Yellow blazing star, Yellow comet, Yellowcomet

native
Annual herb

Mentzelia albicaulis Small flowered blazing star, White stemmed blazing star, White stemmed stickleaf

native
Annual herb

Mentzelia congesta Clustered blazing star, United blazingstar

native
Annual herb

Mentzelia crocea Saffron blazing star, Sierra blazingstar

native
Annual, Perennial herb

Mentzelia dispersa Bushy blazingstar, Nada stickleaf, Scattered blazing star

native
Annual herb

Mentzelia eremophila Pinyon blazing star, Pinyon blazingstar

• rare native
Annual, Perennial herb

Mentzelia gracilenta Blazing star, Grass blazingstar, Slender blazing star

native
Annual herb

Mentzelia hirsutissima Hairy blazingstar, Hairy stickleaf

• rare native
Annual herb

Mentzelia involucrata Bracted blazing star, Sand blazing star, Whitebract blazingstar

native
Annual herb

Mentzelia jonesii Jones' blazing star, Jones' blazingstar

native
Annual herb, Vine

Mentzelia laevicaulis Blazing star, Giant blazingstar, Smooth stem blazing star

native
Perennial herb

Mentzelia lindleyi Lindley's blazing star, Lindley's blazingstar

native
Annual herb

Mentzelia longiloba Many flowered mentzelia

native
Perennial herb

Mentzelia multiflora ssp. longiloba Dune blazing star

native
Biennial herb

Mentzelia micrantha Chaparral blazing star, San Luis blazingstar, San Luis stick leaf

native
Annual herb

Mentzelia montana Mountain blazing star

native
Annual herb

Mentzelia multiflora Adonis blazingstar

native
Perennial herb

Mentzelia nitens Shining blazing star, Shining blazingstar, Venus blazing star

native
Annual herb

Mentzelia obscura Pacific blazing star, Pacific blazingstar

native
Annual herb

Mentzelia leucophylla Argus blazingstar, Mountain loving blazing star

native
Perennial herb

Mentzelia oreophila Argus blazingstar, Mountain loving blazing star

native
Perennial herb

Mentzelia pectinata San joaquin blazing star, San joaquin blazingstar

native
Annual herb

Mentzelia polita Elegant blazing star, Polished blazingstar

• rare native
Annual herb

Mentzelia pterosperma Wing seed blazing star, Wingseed blazingstar

• rare native
Annual herb

Mentzelia puberula Argus blazing star

• rare native
Perennial herb

Mentzelia reflexa Reflexed blazing star

native
Annual herb

Mentzelia torreyi Torrey's blazing star, Torrey's blazingstar

• rare native
Perennial herb

Mentzelia tricuspis Spinyhair blazingstar, Three pointed blazing star

• rare native
Annual herb

Mentzelia tridentata Dentate blazing star, Threetooth blazingstar

• rare native
Annual herb

Mentzelia veatchiana Veatch's blazing star

native
Annual herb

Menyanthes trifoliata Bogbean, Buck bean, Buckbean

native
Perennial herb

MENYANTHACEAE

Menziesia ferruginea Mock azalea, Rusty menziesia

native
Shrub

Mercurialis annua Annual mercury

non-native
Annual herb

Mertensia bella Beautiful bluebells, Oregon lungwort

• rare native
Perennial herb

Mertensia ciliata Ciliate lungwort, Streamside bluebells, Tall fringed bluebells

native
Perennial herb

Mertensia ciliata var. stomatechoides Streamside bluebells, Tall fringed bluebells

native
Perennial herb

Mertensia franciscana Franciscan bluebells

native
Perennial herb

Mertensia longiflora Long flower bluebells, Small bluebells

• rare native
Perennial herb

Mertensia lanceolata var. nivalis Oblongleaf bluebells, Sagebrush bluebells

native
Perennial herb

Mertensia oblongifolia Oblongleaf bluebells, Sagebrush bluebells

native
Perennial herb

Mertensia oblongifolia var. nevadensis Sagebrush bluebells, Sierra bluebells

native
Perennial herb

Mesembryanthemum crystallinum Common iceplant, Crystalline ice plant

• invasive non-native
Annual herb

Mesembryanthemum nodiflorum Slender leaved ice plant, Slenderleaf iceplant, Small flowered iceplant

• invasive non-native
Annual herb

Metasequoia glyptostroboides Dawn redwood

non-native
Tree

Micranthes aprica Sierra saxifrage

native
Perennial herb

Saxifraga aprica Sierra saxifrage

native
Perennial herb

Micranthes bryophora Bud saxifrage

native
Annual herb

Saxifraga bryophora Bud saxifrage

native
Annual herb

Micranthes californica Greene's saxifrage

native
Perennial herb

Saxifraga californica Greene's saxifrage

native
Perennial herb

Saxifraga virginiensis Greene's saxifrage

native
Perennial herb

Micranthes ferruginea Rusty hair saxifrage

native
Perennial herb

Saxifraga ferruginea Rusty hair saxifrage

native
Perennial herb

Micranthes howellii Howell's saxifrage

• rare native
Perennial herb

Saxifraga howellii Howell's saxifrage

• rare native
Perennial herb

Micranthes integrifolia Smooth leaf saxifrage

native
Perennial herb

Saxifraga integrifolia Smooth leaf saxifrage

native
Perennial herb

Micranthes marshallii Marshall's saxifrage

• rare native
Perennial herb

Micranthes nidifica Peak saxifrage

native
Perennial herb

Saxifraga nidifica var. nidifica Peak saxifrage

native
Perennial herb

Micranthes odontoloma Brook saxifrage

native
Perennial herb

Saxifraga odontoloma Brook saxifrage

native
Perennial herb

Micranthes oregana Bog saxifrage

native
Perennial herb

Saxifraga oregana Bog saxifrage

native
Perennial herb

Micranthes tolmiei Tolmie's saxifrage

native
Perennial herb

Saxifraga tolmiei Tolmie's saxifrage

native
Perennial herb

Microlepia strigosa Palapalai

non-native
Fern

Micromonolepis pusilla Dwarf monolepis

• rare native
Annual herb

Micropus amphibolus Mount diablo cottonseed, Mt. diablo cottonweed

• rare native
Annual herb

Micropus californicus Cotton top, Micropus, Q tips

native
Annual herb

Micropus californicus var. californicus; Cotton top, Micropus, Q tips

native
Annual herb

Micropus californicus var. californicus;

Micropus californicus var. californicus Q tips, Slender cottonweed

native
Annual herb

Microseris acuminata Needle microseris, Sierra foothill silverpuffs, Sierra foothills microseris

native
Annual herb

Microseris bigelovii Coast microseris, Coastal silverpuffs

native
Annual herb

Microseris borealis Apargidium, Bog microseris, Northern microseris

• rare native
Perennial herb

Microseris campestris San joaquin microseris, San joaquin silverpuffs

native
Annual herb

Microseris douglasii Douglas' microseris, Douglas' silverpuffs

native
Annual herb

Microseris douglasii ssp. douglasii Douglas' microseris, Douglas' silverpuffs

native
Annual herb

Microseris douglasii ssp. platycarpha Douglas' silverpuffs, Small flowered microseris

• rare native
Annual herb

Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris

native
Annual herb

Microseris elegans Elegant silverpuffs

native
Annual herb

Microseris laciniata Cut leaved scorzonella, Cutleaf silverpuffs

native
Perennial herb

Microseris laciniata ssp. detlingii Detling's silverpuffs

• rare native
Perennial herb

Microseris laciniata ssp. laciniata Cut leaved scorzonella, Cutleaf silverpuffs

native
Perennial herb

Microseris howellii Siskiyou microseris

native
Perennial herb

Microseris nutans Nodding microceris, Nodding scorzonella, Perennial nodding microseris

native
Perennial herb

Microseris paludosa Marsh scorzonella, Marsh silverpuffs

• rare native
Perennial herb

Microseris sylvatica Sylvan scorzonella

• rare native
Perennial herb

Microsteris gracilis Slender phlox

native
Annual herb

Microsteris gracilis var. gracilis Slender phlox

native
Annual herb

Phlox gracilis Slender phlox

native
Annual herb

Mielichhoferia elongata Elongate copper moss

• rare native
Moss

MNIACEAE

Mielichhoferia shevockii Shevock's copper moss

• rare native
Moss

MIELICHHOFERIACEAE

Mimetanthe pilosa Snouted monkey flower

native
Annual herb

Mimulus pilosus Snouted monkey flower

native
Annual herb

Mimulus cusickii Cusick's monkeyflower

native
Annual herb

Mimulus glabratus var. jamesii Roundleaf monkeyflower

native
Perennial herb (rhizomatous)

Mimulus rattanii ssp. decurtatus Santa cruz county monkeyflower

• rare native
Annual herb

Mimulus ringens Allegheny monkeyflower, Typical monkeyflower

native
Perennial herb

Mimulus ringens var. ringens Allegheny monkeyflower, Typical monkeyflower

native
Perennial herb

Minuartia howellii Howell's sandwort, Howell's stitchwort

native
Perennial herb

Arenaria obtusiloba Alpine sandwort, Twinflower sandwort

• rare native
Perennial herb

Lidia obtusiloba Alpine sandwort, Twinflower sandwort

• rare native
Perennial herb

Minuartia obtusiloba Alpine sandwort, Twinflower sandwort

• rare native
Perennial herb

Minuartia rosei Peanut sandwort, Peanut stitchwort

native
Perennial herb

Minuartia stolonifera Scott mtn. sandwort, Stolon sandwort

native
Perennial herb

Mirabilis albida Dwarf four o'clock

native
Perennial herb

Mirabilis pumila Dwarf four o'clock

native
Perennial herb

Mirabilis alipes Winged four o'clock

native
Perennial herb

Mirabilis coccinea Red four o'clock, Scarlet four o'clock

• rare native
Perennial herb

Mirabilis greenei Greene's four o'clock

• rare native
Perennial herb

Mirabilis jalapa Four o'clock, Marvel of peru, Wishbone bush

non-native
Perennial herb

Mirabilis laevis Desert wishbone bush

native
Perennial herb

Mirabilis laevis var. crassifolium Desert wishbone bush

native
Perennial herb

Mirabilis laevis var. viscosa Desert wishbone bush

native
Perennial herb

Mirabilis laevis var. crassifolia California four o'clock

native
Perennial herb

Mirabilis laevis var. laevis California four o'clock

native
Perennial herb

Mirabilis bigelovii var. retrorsa Wishbone bush

native
Perennial herb

Mirabilis laevis var. retrorsa Wishbone bush

native
Perennial herb

Mirabilis bigelovii var. bigelovii Wishbone bush

native
Perennial herb

Mirabilis laevis var. villosa Wishbone bush

native
Perennial herb

Mirabilis linearis Narrow leaf four o'clock, Narrowleaf four o'clock

non-native
Perennial herb

Mirabilis multiflora Colorado four o'clock, Giant four o'clock

native
Perennial herb

Mirabilis multiflora var. multiflora Colorado four o'clock, Giant four o'clock

native
Perennial herb

Mirabilis multiflora var. glandulosa Colorado four o'clock, Giant four o'clock

native
Perennial herb

Mirabilis multiflora var. pubescens Colorado four o'clock, Desert four o'clock

native
Perennial herb

Mirabilis nyctaginea Heart leaf four o'clock, Heartleaf four o'clock

non-native
Perennial herb

Mirabilis tenuiloba Longlobe four o'clock, Slender lobed four o'clock

• rare native
Perennial herb

Miscanthus sinensis Chinese silvergrass

non-native
Perennial grass

Mitella stauropetala Smallflower miterwort

non-native
Perennial herb

Mitella caulescens Leafy-stemmed mitrewort

• rare native
Perennial herb

Mitellastra caulescens Leafy-stemmed mitrewort

• rare native
Perennial herb

Modiola caroliniana Carolina bristle mallow, Carolina bristlemallow

non-native
Perennial herb

Moehringia macrophylla Large leaved sandwort, Largeleaf sandwort

native
Perennial herb

Moenchia erecta Upright chickweed

non-native
Annual herb

Moenchia erecta ssp. erecta Moenchia

non-native
Annual herb

Mollugo cerviana Carpet weed, Threadstem carpetweed

non-native
Annual herb

MOLLUGINACEAE

Mollugo verticillata Green carpetweed, Indian chickweed

non-native
Annual herb

MOLLUGINACEAE

Moluccella laevis Shell flower, Shellflower

non-native
Annual herb

Momordica charantia Balsampear

non-native
Annual herb, Vine

Monarda citriodora Lemon beebalm

non-native
Annual, Biennial, Perennial herb

Monarda pectinata Bee balm, Pony beebalm

• rare native
Annual herb

Monardella australis Southern monardella, Southern mountain monardella

native
Perennial herb

Monardella australis ssp. australis Southern mountain monardella

native
Perennial herb

Monardella australis ssp. cinerea Gray monardella

• rare native
Perennial herb (rhizomatous)

Monardella beneolens Sweet smelling monardella

• rare native
Perennial herb (rhizomatous)

Monardella breweri Brewer's monardella

native
Annual herb

Monardella breweri ssp. lanceolata Mustang mint

native
Annual herb

Monardella candicans Sierra monardella

• rare native
Annual herb

Monardella douglasii Douglas' monardella

native
Annual herb

Monardella exilis Desert monardella, Mojave monardella

native
Annual herb

Monardella follettii Follett's monardella

• rare native
Shrub

Monardella hypoleuca Thickleaf monardella, White leaf monardella

native
Perennial herb

Monardella hypoleuca ssp. intermedia White leaf monardella

• rare native
Perennial herb

Monardella hypoleuca ssp. lanata Felt leaved monardella, Feltleaf monardella

• rare native
Perennial herb (rhizomatous)

Monardella linoides Flax like monardella, Flaxleaf monardella, Narrow leaved monardella

native
Perennial herb

Monardella linoides ssp. linoides Flax like monardella, Flaxleaf monardella

native
Perennial herb

Monardella linoides ssp. oblonga Flax like monardella, Flaxleaf monardella

• rare native
Perennial herb (rhizomatous)

Monardella linoides ssp. sierrae Narrow leaved monardella

native
Perennial herb

Monardella macrantha Hummingbird monardella, Red monardella

native
Perennial herb

Monardella macrantha ssp. hallii Hall's monardella

• rare native
Perennial herb (rhizomatous)

Monardella macrantha ssp. macrantha Hummingbird monardella, Red monardella

native
Perennial herb

Monardella nana Little monardella, Yellow monardella

native
Perennial herb

Monardella nana ssp. 1 Little monardella, Yellow monardella

native
Perennial herb

Monardella odoratissima Desert mint, Mountain monardella, Coyote-Mint

native
Perennial herb

Monardella odoratissima ssp. pallid Desert mint, Mountain monardella, Coyote-Mint

native
Perennial herb

Monardella glauca Mountain mint, Mountain pennyroyal

native
Perennial herb

Monardella odoratissima ssp. glauca Mountain mint, Mountain pennyroyal

native
Perennial herb

Monardella odoratissima ssp. odoratissima Mountain monardella

native
Perennial herb

Monardella odoratissima ssp. odoratissima

Monardella odoratissima ssp. pallida Pale mountain monardella, Pallid mountain monardella

native
Perennial herb

Monardella palmeri Palmer's monardella

• rare native
Perennial herb (rhizomatous)

Monardella purpurea Serpentine monardella, Siskiyou monardella

native
Perennial herb

Monardella robisonii Robison's monardella, Rock pennyroyal

• rare native
Perennial herb (rhizomatous)

Monardella saxicola Rock monardella

• rare native
Subshrub

Monardella sheltonii Coyote mint, Shelton's coyote mint, Shelton's monardella

native
Perennial herb

Monardella sinuata var. nigrescens Curly leaved monardella

native
Annual herb

Monardella sinuata ssp. nigrescens

• rare native
Annual herb

Monardella sinuata ssp. sinuata

• rare native
Annual herb

Monardella stebbinsii Feather river monardella, Stebbins's monardella

• rare native
Perennial herb (rhizomatous)

Monardella stoneana Jennifer's monardella

• rare native
Perennial herb

Monardella undulata Curly leaved monardella, Curlyleaf monardella

native
Annual herb

Monardella undulata ssp. arguelloensis Curly leaved monardella

• rare native
Annual herb

Monardella undulata ssp. crispa Crisp monardella

• rare native
Annual herb

Monardella frutescens San luis obispo monardella

• rare native
Annual herb

Monardella undulata ssp. undulata San luis obispo monardella

• rare native
Annual herb

Monardella venosa Veiny monardella

• rare native
Annual herb

Monardella villosa Coyote mint

native
Perennial herb

Monardella villosa ssp. franciscana San francisco coyote mint

native
Perennial herb

Monardella villosa ssp. obispoensis San luis obispo coyote mint

native
Perennial herb

Monardella villosa ssp. villosa Coyote mint

native
Perennial herb

Monardella viminea Willowy monardella

• rare native
Perennial herb

Monardella viridis Green monardella

• rare native
Perennial herb

Monardella viridis ssp. viridis Green monardella

• rare native
Perennial herb

Moneses uniflora Oneflower wintergreen, Single delight, Woodnymph

• rare native
Perennial herb

Monochoria vaginalis Heart shape false pickerelweed, Heartshape false pickerelweed

• invasive non-native
Perennial herb

Monolepis nuttalliana Nuttall's poverty weed, Nuttall's povertyweed

native
Annual herb

Monolopia congdonii San joaquin woollythreads

• rare native
Annual herb

Monolopia gracilens Woodland monolopia

• rare native
Annual herb

Monolopia lanceolata Common monolopia

native
Annual herb

Monolopia major Cupped monolopia

native
Annual herb

Monolopia stricta Crum's monolopia

native
Annual herb

Monoptilon bellidiforme Small desert star

native
Annual herb

Monoptilon bellioides Desert star, Mojave desert star, Mojave desertstar

native
Annual herb

Hypopitys monotropa Pinesap

native
Perennial herb (mycoparasitic)

Monotropa hypopitys Pinesap

native
Perennial herb (mycoparasitic)

Monotropa uniflora Ghost pipe

• rare native
Perennial herb (mycoparasitic)

Montia chamissoi Spring beauty, Toad lily, Water minerslettuce

native
Perennial herb

Montia diffusa Diffuse miner's lettuce, Spreading minerslettuce

native
Annual herb

Montia fontana Annual water minerslettuce, Water chickweed, Water montia

native
Annual herb

Montia howellii Howell's minerslettuce, Howell's montia

• rare native
Annual herb

Montia linearis Linear leaved montia, Narrow leaved water chickweed, Narrowleaf minerslettuce

native
Annual herb

Montia parvifolia Littleleaf minerslettuce, Showy rock montia

native
Perennial herb

Morella californica California wax myrtle

native
Tree, Shrub

MYRICACEAE

Myrica californica California wax myrtle

native
Tree, Shrub

MYRICACEAE

Mortonia utahensis Utah mortonia

• rare native
Shrub

Morus alba White mulberry

non-native
Tree

Morus nigra Black mulberry

non-native
Tree

Morus rubra Red mulberry

non-native
Tree

Mucronea californica California spineflower

• rare native
Annual herb

Mucronea perfoliata Perfoliate spineflower

native
Annual herb

Muehlenbeckia complexa Mattress vine

non-native
Vine

Muhlenbergia andina Foxtail muhly

native
Perennial grass

Muhlenbergia appressa Appressed muhly, Devils canyon muhly

• rare native
Annual grass

Muhlenbergia arsenei Navajo muhly, Tough muhly

• rare native
Perennial grass (rhizomatous)

Muhlenbergia asperifolia Scratchgrass

native
Perennial grass

Muhlenbergia californica California muhly

• rare native
Perennial grass (rhizomatous)

Muhlenbergia emersleyi bullgrass, Gooding's Muhly

native
Perennial grass

Muhlenbergia filiformis Pullup muhly, Slender muhly

native
Annual, Perennial grass

Muhlenbergia fragilis Delicate muhly

• rare native
Annual grass

Muhlenbergia jonesii Jones' muhly, Modoc muhly

• rare native
Perennial grass

Muhlenbergia mexicana Mexican muhly

native
Perennial grass

Muhlenbergia microsperma Annual muhly, Littleseed muhly

native
Annual grass

Muhlenbergia minutissima Annual muhly

native
Annual grass

Muhlenbergia montana Mountain muhly

native
Perennial grass

Muhlenbergia pauciflora Few flowered muhly, New mexico muhly

• rare native
Perennial grass (rhizomatous)

Muhlenbergia porteri Bush muhly, Porter's muhly

native
Perennial grass

Muhlenbergia richardsonis Mat muhly, Matted muhly, Richardson's muhly

native
Perennial grass

Muhlenbergia rigens Deergrass

native
Perennial grass

Muhlenbergia schreberi Nimblewell, Nimblewill

• invasive non-native
Perennial grass

Muhlenbergia utilis Aparejo grass, Aparejograss

native
Perennial grass

Muilla coronata Crowned muilla

• rare native
Perennial herb (bulb)

Muilla maritima Common muilla, Sea muilla

native
Perennial herb

Muilla transmontana Great basin muilla, Inland muilla

native
Perennial herb

Munroa squarrosa False buffalo grass

• rare native
Annual grass

Muntingia calabura Strawberrytree

non-native
Tree, Shrub

ELAEOCARPACEAE

Munzothamnus blairii Blair's wirelettuce

• rare native
Shrub

Stephanomeria blairii Blair's wirelettuce

• rare native
Shrub

Muscari botryoides Common grape hyacinth

non-native
Perennial herb

Myoporum laetum Lollypop tree, Ngaio tree

• invasive non-native
Tree, Shrub

Myoporum parvifolium Slender myoporum

non-native
Tree, Shrub

Myoporum sandwicense Naio

non-native
Tree, Shrub

Myosotis discolor Changing forget me not, yellow and blue forget-me-not

non-native
Annual herb

Myosotis latifolia Broadleaf forget me not, Forget me not, Wide leaved forget me not

• invasive non-native
Perennial herb

Myosotis laxa Bay forget me not

native
Perennial herb

Myosotis micrantha Small flowered forget me not

non-native
Annual herb

Myosotis arvensis True forget me not, Yelloweye forgetmenot

non-native
Perennial herb

Myosotis scorpioides True forget me not, Yelloweye forgetmenot

non-native
Perennial herb

Myosotis sylvatica Woodland forget me not

• invasive non-native
Perennial herb

Myosoton aquaticum Giantchickweed

non-native
Annual, Perennial herb

Myosurus apetalus Bristly mousetail, Mouse tail

native
Annual herb

Myosurus cupulatus Arizona mousetail, Desert mouse tail

native
Annual herb

Myosurus minimus Common mouse tail, Little mouse tail, Tiny mousetail

native
Annual herb

Myosurus minimus ssp. apus Little mouse tail

• rare native
Annual herb

Myosurus sessilis Tiny mouse tail, Vernal pool mousetail

native
Annual herb

Myrica hartwegii Mountain wax myrtle, Sierra bayberry, Sierra sweet bay

• rare native
Shrub

MYRICACEAE

Myriophyllum aquaticum Parrot feather watermilfoil, Parrot's feather, Parrotfeather

• invasive non-native
Perennial herb (aquatic)

Myriophyllum hippuroides Milfoil, Western milfoil, Western watermilfoil

native
Perennial herb (aquatic)

Myriophyllum sibiricum Shortspike watermilfoil, Siberian milfoil, Siberian water milfoil

native
Perennial herb (aquatic)

Myriophyllum spicatum American milfoil, Eurasian milfoil, Spike watermilfoil

• invasive non-native
Perennial herb

Cheilanthes clevelandii Cleveland's lip fern

native
Fern

Myriopteris clevelandii Cleveland's lip fern

native
Fern

Cheilanthes cooperae Cooper's lip fern

native
Fern

Myriopteris cooperae Cooper's lip fern

native
Fern

Cheilanthes covillei Coville's lip fern

native
Fern

Myriopteris covillei Coville's lip fern

native
Fern

Cheilanthes feei Slender lip fern

native
Fern

Cheilanthes gracillima Lace lip fern

native
Fern

Myriopteris gracillima Lace lip fern

native
Fern

Cheilanthes intertexta Coastal lip fern

native
Fern

Cheilanthes newberryi Newberry's lip fern

native
Fern

Cheilanthes parryi Parry's lip fern

native
Fern

Myriopteris parryi Parry's lip fern

native
Fern

Cheilanthes viscida Viscid lace fern

native
Fern

Cheilanthes wootonii Wooton's lace fern

• rare native
Perennial herb

Myriopteris wootonii Wooton's lace fern

• rare native
Perennial herb

Myrtus communis Myrtle

non-native
Shrub

Myurella julacea Myurella moss

• rare native
Moss

PTERIGYNANDRACEAE

Najas guadalupensis Guadalupe water nymph, Southern waternymph

native
Annual herb

Najas marina Marine water nymph, Spiny naiad

native
Annual herb

Najas minor Brittle Waternymph

native
Annual herb

Nama aretioides Ground nama, Purple nama

native
Annual herb

Nama aretioides var. multiflorum Ground nama, Many flowered purple nama

native
Annual herb

Nama californica California Fiddleleaf

native
Annual herb

Nama californicum California Fiddleleaf

native
Annual herb

Nama demissa Purplemat

native
Annual herb

Nama demissum Purplemat

native
Annual herb

Nama demissa var. covillei Coville's Purplemat

• rare native
Annual herb

Nama demissum var. covillei Coville's Purplemat

• rare native
Annual herb

Nama demissa var. demissa Purplemat

native
Annual herb

Nama demissum var. demissum Purplemat

native
Annual herb

Nama densum Leafy Nama

native
Annual herb

Nama densa var. densa Leafy Nama

native
Annual herb

Nama densum var. densum Leafy Nama

native
Annual herb

Nama densum var. parviflorum Leafy Nama

native
Annual herb

Nama depressum Narrow Leaf Nama

native
Annual herb

Nama dichotomum var. dichotomum Forked purple mat

• rare native
Annual herb

Nama hispidum

native
Annual herb

Nama hispidum var. spathulatum Purplemat

native
Annual herb

Nama pusilla Small Leaf Nama

native
Annual herb

Nama pusillum Small Leaf Nama

native
Annual herb

Nama rothrockii Rothrock's fiddleleaf, Rothrock's nama

native
Perennial herb

Nama stenocarpa Mud nama

• rare native
Annual herb

Nama stenocarpum Mud nama

• rare native
Annual herb

Nandina domestica Sacred bamboo

non-native
Shrub

Narcissus pseudonarcissus Daffodil

non-native
Perennial herb (bulb)

Narcissus tazetta Cream narcissus

non-native
Perennial herb (bulb)

Narthecium californicum California bog asphodel

native
Perennial herb

NARTHECIACEAE

Stipa tenuissima Finestem needlegrass, Mexican feathergrass

• invasive non-native
Perennial grass

Nasturtium gambelii Gambel's yellowcress

• rare native
Perennial herb

Rorippa gambelii Gambel's yellowcress

• rare native
Perennial herb

Nasturtium officinale Watercress

native
Perennial herb (aquatic)

Rorippa nasturtium-aquaticum Watercress

native
Perennial herb (aquatic)

Navarretia atractyloides Holly leaf navarretia, Hollyleaf pincushionplant

native
Annual herb

Navarretia breweri Brewer's navarretia

native
Annual herb

Gilia capillaris Miniature gilia

native
Annual herb

Navarretia capillaris Miniature gilia

native
Annual herb

Navarretia cotulifolia Broad leaved navarretia, Cotulaleaf pincushionplant

• rare native
Annual herb

Navarretia divaricata Divaricate navarretia, Mountain navarretia

native
Annual herb

Navarretia divaricata ssp. divaricata Divaricate navarretia, Mountain navarretia

native
Annual herb

Navarretia eriocephala Hoary navarretia, Hoary pincushionplant

• rare native
Annual herb

Navarretia filicaulis Thin stemmed navarretia, Threadstem pincushionplant

native
Annual herb

Navarretia fossalis Moran's navarretia, Spreading navarretia, Vernalpool pincushionplant

• rare native
Annual herb

Navarretia gowenii Lime ridge navarretia

• rare native
Perennial herb

Navarretia hamata Hooked navarretia, Hooked pincushionplant

native
Annual herb

Navarretia hamata ssp. hamata Hooked navarretia, Hooked pincushionplant

native
Annual herb

Navarretia hamata ssp. leptantha Hooked navarretia, Hooked pincushionplant

native
Annual herb

Navarretia hamata ssp. parviloba Hooked navarretia, Small lobe navarretia

native
Annual herb

Navarretia heterandra Tehama navarretia, Tehama pincushionplant

• rare native
Annual herb

Navarretia heterodoxa Calistoga navarretia, Calistoga pincushionplant

native
Annual herb

Navarretia intertexta Interwoven navarretia, Needle leaved navarretia, Needleleaf navarretia

native
Annual herb

Navarretia intertexta ssp. intertexta Interwoven navarretia, Needleleaf navarretia

native
Annual herb

Navarretia jepsonii Jepson's navarretia, Jepson's pincushionplant

• rare native
Annual herb

Navarretia leptalea Bridges' pincushionplant

native
Annual herb

Gilia leptalea ssp. bicolor Bridges' gilia

native
Annual herb

Navarretia leptalea ssp. bicolor Bridges' gilia

native
Annual herb

Gilia leptalea ssp. leptalea Bridges' gilia

native
Annual herb

Navarretia leptalea ssp. leptalea Bridges' gilia

native
Annual herb

Navarretia leucocephala White headed navarretia, Whitehead navarretia

native
Annual herb

Navarretia leucocephala ssp. pileantha White headed navarretia, Whitehead navarretia

native
Annual herb

Navarretia leucocephala ssp. bakeri Baker's navarretia

• rare native
Annual herb

Navarretia leucocephala ssp. leucocephala White headed navarretia, Whitehead navarretia

native
Annual herb

Navarretia leucocephala ssp. leucocephala

Navarretia leucocephala ssp. minima Least navarretia, Little white navarretia

native
Annual herb

Navarretia leucocephala ssp. pauciflora Few flowered navarretia, Fewflower navarretia

• rare native
Annual herb

Navarretia leucocephala ssp. plieantha Many flowered navarretia, Manyflowered navarretia

• rare native
Annual herb

Navarretia mellita Honeyscented pincushionplant, Skunk navarretia

native
Annual herb

Navarretia mitracarpa Paso robles navarretia

native
Annual herb

Navarretia myersii Myers' pincushionplant, Pincushion navarretia

native
Annual herb

Navarretia myersii ssp. myersii Myers' pincushionplant

• rare native
Annual herb

Navarretia nigelliformis ssp. nigelliformis Adobe navarretia

• rare native
Annual herb

Navarretia nigelliformis ssp. nigelliformis

Navarretia nigelliformis ssp. radians Adobe navarretia, Shining navarretia

• rare native
Annual herb

Navarretia ojaiensis Ojai navarretia

• rare native
Annual herb

Navarretia paradoxiclara Navarretia

• rare native
Annual herb

Navarretia paradoxinota Navarretia

• rare native
Annual herb

Navarretia peninsularis Baja navarretia, Baja pincushionplant

• rare native
Annual herb

Navarretia prolifera Burr navarretia, Burr pincushionplant

native
Annual herb

Navarretia prolifera ssp. lutea Burr pincushionplant, Yellow bur navarretia

• rare native
Annual herb

Navarretia prolifera ssp. prolifera Burr navarretia, Burr pincushionplant

native
Annual herb

Navarretia intertexta ssp. propinqua

native
Annual herb

Navarretia propinqua

native
Annual herb

Navarretia prostrata Prostrate navarretia, Prostrate pincushionplant

• rare native
Annual herb

Navarretia pubescens Downy pincushionplant, Purple navarretia

native
Annual herb

Navarretia rosulata Marin county navarretia, San anselmo navarretia

• rare native
Annual herb

Navarretia setiloba Paiute mountain pincushionplant, Piute mtns. navarretia

• rare native
Annual herb

Navarretia sinistra Alva day's pincushionplant

native
Annual herb

Navarretia squarrosa Skunkbush, Skunkweed

native
Annual herb

Navarretia subuligera Awl leaf pincushionplant, Awl leaved navarretia

• rare native
Annual herb

Navarretia tagetina Marigold navarretia, Marigold pincushionplant, Navarretia

native
Annual herb

Navarretia viscidula Sticky navarretia, Sticky pincushionplant

native
Annual herb

Prosopis glandulosa var. torreyana Honey mesquite

native
Shrub

Prosopis velutina Velvet mesquite

non-native
Shrub

Nelumbo lutea American lotus

non-native
Perennial herb

NELUMBONACEAE

Nelumbo nucifera Sacred lotus

non-native
Perennial herb

NELUMBONACEAE

Nemacaulis denudata var. denudata Coast woolly heads, Cottonheads

• rare native
Annual herb

Nemacaulis denudata var. gracilis Cottonheads, Slender woolly heads

• rare native
Annual herb

Nemacladus calcaratus Chimney creek nemacladus

• rare native
Annual herb

Nemacladus californicus Mojave dwarf

native
Annual herb

Nemacladus capillaris Common nemacladus, Common threadplant

native
Annual herb

Nemacladus glanduliferus Glandular nemacladus, Glandular threadplant, Thread plant

native
Annual herb

Nemacladus gracilis Slender nemacladus, Slender threadplant

• rare native
Annual herb

Nemacladus interior Sierra nemacladus, Sierra threadplant

native
Annual herb

Nemacladus longiflorus var. breviflorus Long flowered nemacladus, Long flowered thread plant, Longflower threadplant

native
Annual herb

Nemacladus longiflorus var. longiflorus Long flowered nemacladus, Longflower threadplant

native
Annual herb

Nemacladus montanus Mountain nemacladus, Mountain threadplant

native
Annual herb

Nemacladus orientalis Eastern glandular nemacladus

native
Annual herb

Nemacladus pinnatifidus Comb leaved nemacladus, Combleaf threadplant

native
Annual herb

Nemacladus ramosissimus Nuttall's nemacladus, Smallflower threadplant

native
Annual herb

Nemacladus rigidus Rigid nemacladus, Stoutstem threadplant

native
Annual herb

Nemacladus rubescens Desert nemacladus, Desert threadplant, Rigid stemmed thread plant

native
Annual herb

Nemacladus secundiflorus Onesided threadplant, Secund nemacladus

native
Annual herb

Nemacladus secundiflorus var. robbinsii Robbins' nemacladus

• rare native
Annual herb

Nemacladus secundiflorus var. secundiflorus Large-flowered nemacladus

• rare native
Annual herb

Nemacladus secundiflorus var. secundiflorus

Nemacladus sigmoideus Sigmoid threadplant, Small flowered nemacladus

native
Annual herb

Nemacladus tenuis Desert nemacladus

native
Annual herb

Nemacladus tenuis var. aliformis

native
Annual herb

Nemacladus tenuis var. tenuis Desert nemacladus

native
Annual herb

Nemacladus twisselmannii Twisselmann's nemacladus, Twisselmann's threadplant

• rare native
Annual herb

Nemophila breviflora Basin nemophila, Great basin nemophila

• rare native
Annual herb

Nemophila heterophylla Canyon nemophila, Small baby blue eyes, Variable leaved nemophila

native
Annual herb

Nemophila maculata Five spot, Fivespot

native
Annual herb

Nemophila menziesii Baby blue eyes

native
Annual herb

Nemophila menziesii var. atomara Baby blue eyes

native
Annual herb

Nemophila menziesii var. atomaria Baby blue eyes

native
Annual herb

Nemophila menziesii var. integrifolia Baby blue eyes

native
Annual herb

Nemophila menziesii var. menziesii Baby blue eyes

native
Annual herb

Nemophila parviflora Small flowered nemophila, Smallflower nemophila

native
Annual herb

Nemophila parviflora var. austiniae Rebecca austin's nemophila, Small flowered nemophila, Smallflower nemophila

native
Annual herb

Nemophila parviflora var. parviflora Small flowered nemophila, Smallflower nemophila, Woodland nemophila

native
Annual herb

Nemophila parviflora var. quercifolia Oak leaved nemophila, Smallflower nemophila

• rare native
Annual herb

Nemophila pedunculata Littlefoot nemophila, Meadow nemophila

native
Annual herb

Nemophila pulchella Eastwood's baby blue eyes, Eastwood's nemophila

native
Annual herb

Nemophila pulchella var. fremontii Fremont's baby blue eyes, Fremont's nemophila

native
Annual herb

Nemophila pulchella var. pulchella Eastwood's baby blue eyes

native
Annual herb

Nemophila spatulata Sierra baby blue eyes, Sierra nemophila

native
Annual herb

Neoholmgrenia andina Plateau evening primrose

native
Annual herb

Kochia californica

native
Perennial herb

Neostapfia colusana Colusa grass, Colusagrass

• rare native
Annual grass

Nepeta cataria Catnip

non-native
Perennial herb

Nephrolepis cordifolia Narrow swordfern

non-native
Fern

Nephrolepis exaltata Boston swordfern

non-native
Fern

Nerium oleander Oleander

• invasive non-native
Tree

Haplopappus stenophyllus Narrowleaf mock goldenweed

native
Perennial herb

Nestotus stenophyllus Narrowleaf mock goldenweed

native
Perennial herb

Stenotus stenophyllus Narrowleaf mock goldenweed

native
Perennial herb

Neviusia cliftonii Shasta snow wreath

• rare native
Shrub

Nicandra physalodes Apple of peru, Nicandra

non-native
Annual herb

Nicolletia occidentalis Hole in the sand plant, Mojave hole in the sand plant, Western nicolletia

native
Perennial herb

Nicotiana acuminata Manyflower tobacco

non-native
Annual herb

Nicotiana acuminata var. multiflora Many flowered tobacco, Manyflower tobacco, Tobacco

non-native
Annual herb

Nicotiana alata Flowering tobacco, Jasmine tobacco

non-native
Perennial herb

Nicotiana attenuata Coyote tobacco

native
Annual herb

Nicotiana clevelandii Cleveland's tobacco

native
Annual herb

Nicotiana glauca Tree tobacco

• invasive non-native
Tree, Shrub

Nicotiana obtusifolia Desert tobacco

native
Perennial herb

Nicotiana obtusifolia var. obtusifolia Desert tobacco

native
Perennial herb

Nicotiana quadrivalvis Indian tobacco

native
Annual herb

Nicotiana rustica Aztec tobacco

non-native
Annual herb

Nicotiana tabacum Cultivated tobacco

non-native
Annual herb

Nigella damascena Devil in the bush, Love-in-a-mist

non-native
Annual herb

Nitrophila mohavensis Amargosa niterwort, Amargosa nitrophila

• rare native
Perennial herb

Nitrophila occidentalis Boraxweed, Western nitrophila

native
Perennial herb

Noccaea fendleri Pennycress

native
Perennial herb

Noccaea fendleri ssp. siskiyouense Pennycress

native
Perennial herb

Noccaea fendleri ssp. siskiyouensis Pennycress

native
Perennial herb

Noccaea fendleri ssp. californica Kneeland prairie pennycress

• rare native
Perennial herb

Noccaea fendleri ssp. glauca Pennycress

native
Perennial herb

Thlaspi fendleri Pennycress

native
Perennial herb

Thlaspi montanum Pennycress

native
Perennial herb

Thlaspi montanum var. fendleri Pennycress

native
Perennial herb

Nolina bigelovii Bigelow's nolina

native
Perennial herb

Nolina cismontana Peninsular beargrass

• rare native
Shrub

Nolina interrata Dehesa beargrass, Dehesa nolina

• rare native
Perennial herb

Nolina parryi Parry's beargrass, Parry's nolina

native
Perennial herb

Nothocalais alpestris Alpine lake prairie dandelion, Alpine prairie dandelion

native
Perennial herb

Microseris troximoides False agoseris, Weevil prairie dandelion

native
Perennial herb

Nothocalais troximoides False agoseris, Weevil prairie dandelion

native
Perennial herb

Nothochelone nemorosa False turtlehead, Woodland beardtongue

native
Perennial herb

Notholaena californica California cloak fern

native
Fern

Notholaena californica ssp. californica California cloak fern

native
Fern

Notholaena standleyi Star cloak fern

non-native
Fern

Lithocarpus densiflorus Tanoak

native
Tree, Shrub

Notholithocarpus densiflorus Tanoak

native
Tree, Shrub

Lithocarpus densiflorus var. densiflorus Tanoak

native
Tree, Shrub

Lithocarpus densiflorus var. densiflorus

Notholithocarpus densiflorus var. densiflorus Tanoak

native
Tree, Shrub

Notholithocarpus densiflorus var. densiflorus

Lithocarpus densiflorus var. echinoides Tanoak shrub

native
Tree, Shrub

Notholithocarpus densiflorus var. echinoides Tanoak shrub

native
Tree, Shrub

Notholithocarpus densiflorus var. echinoides

Nothoscordum gracile Slender false garlic

• invasive non-native
Perennial herb

Nuphar lutea ssp. polysepala Rocky mountain pond-lily

native
Perennial herb (aquatic)

Nuphar polysepala Rocky mountain pond-lily

native
Perennial herb (aquatic)

Linaria canadensis Canada toadflax

native
Annual, Biennial herb

Nuttallanthus canadensis Canada toadflax

native
Annual, Biennial herb

Linaria canadensis var. texana Blue toadflax

native
Annual, Perennial herb

Nuttallanthus texanus Blue toadflax

native
Annual, Perennial herb

Nyctaginia capitata Devil's bouquet

non-native
Perennial herb

Nymphaea alba European white waterlily

non-native
Perennial herb (aquatic)

Nymphaea mexicana Mexican water lily, Yellow waterlily

• invasive non-native
Perennial herb

Nymphaea odorata American white waterlily, Water lily

• invasive non-native
Perennial herb

Nymphaea odorata ssp. odorata American white waterlily, Water lily

• invasive non-native
Perennial herb

Nymphaea odorata ssp. tuberosa American white waterlily, Water lily

• invasive non-native
Perennial herb

Nymphoides peltata Water fringe, Yellow floatingheart

non-native
Perennial herb

MENYANTHACEAE

Nyssa sylvatica Blackgum

non-native
Shrub, Tree

Ocimum basilicum Sweet basil

non-native
Perennial herb

Odontostomum hartwegii Hartweg's doll's lily, Hartweg's odontostomum, Odontostomum

native
Perennial herb

TECOPHILAEACEAE

Oemleria cerasiformis Indian plum, Oso berry

native
Shrub

Osmaronia cerasiformis Indian plum, Oso berry

native
Shrub

Oenanthe pimpinelloides Corkyfruit waterdropwort, European oenanthe

non-native
Perennial herb

Oenanthe sarmentosa Pacific oenanthe, Water parsley

native
Perennial herb

Oenothera biennis Common evening primrose, Small flowered evening primrose

non-native
Perennial herb

Oenothera californica California evening primrose, California primrose

native
Perennial herb

Oenothera californica ssp. arizonica California evening primrose, California primrose

native
Perennial herb

Oenothera californica ssp. avita California evening primrose

native
Perennial herb

Oenothera californica ssp. californica California evening primrose

native
Perennial herb

Oenothera californica ssp. eurekensis Eureka dunes evening primrose

• rare native
Perennial herb (rhizomatous)

Oenothera cavernae Cavedwelling evening primrose

• rare native
Perennial herb

Oenothera caespitosa Fragrant evening-primrose

native
Perennial herb

Oenothera cespitosa Fragrant evening-primrose

native
Perennial herb

Oenothera cespitosa ssp. crinita Cespitose evening-primrose

• rare native
Perennial herb (rhizomatous)

Oenothera caespitosa ssp. marginata Fragrant evening-primrose

native
Perennial herb

Oenothera cespitosa ssp. marginata Fragrant evening-primrose

native
Perennial herb

Gaura parviflora Lizard-tail, velvet weed

non-native
Perennial herb

Oenothera curtiflora Lizard-tail, velvet weed

non-native
Perennial herb

Oenothera deltoides Birdcage evening primrose, Desert lantern, Dune primrose

native
Annual herb

Oenothera deltoides ssp. cognata Birdcage evening primrose, Desert lantern

native
Annual herb

Oenothera deltoides ssp. deltoides Birdcage evening primrose, Desert lantern

native
Annual herb

Oenothera deltoides ssp. howellii Antioch dunes evening primrose

• rare native
Perennial herb

Oenothera deltoides ssp. piperi Piper's desert lantern, Piper's evening primrose

native
Annual herb

Oenothera elata Evening primrose, Hooker's evening primrose

native
Perennial herb

Oenothera elata ssp. hirsutissima Evening primrose, Hairy evening primrose, Hooker's evening primrose

native
Perennial herb

Oenothera elata ssp. hookeri Common evening primrose, Evening primrose, Hooker's evening primrose

native
Perennial herb

Oenothera flava Yellow evening primrose

native
Perennial herb

Oenothera flava ssp. flava Yellow evening primrose

native
Perennial herb

Oenothera glazioviana Red sepaled evening primrose, Redsepal evening primrose

non-native
Perennial herb

Oenothera laciniata Cutleaf evening primrose, Southern evening primrose

non-native
Annual, Perennial herb

Oenothera longissima Long evening primrose, Longstem evening primrose

• rare native
Perennial herb

Oenothera mexicana Mexican evening primrose

non-native
Perennial herb

Oenothera nuttallii Nuttall's evening primrose

non-native
Perennial herb

Oenothera pallida Pale evening primrose

non-native
Perennial herb

Oenothera pallida ssp. trichocalyx Pale evening primrose

non-native
Perennial herb

Oenothera primiveris Yellow desert evening primrose

native
Annual herb

Oenothera primiveris ssp. bufonis Yellow desert evening primrose

native
Annual herb

Oenothera primiveris ssp. primiveris Yellow desert evening primrose

native
Annual herb

Oenothera pubescens Pubescent evening primrose, South american evening primrose

native
Perennial herb

Oenothera rosea Pink evening primrose, Rose evening primrose

non-native
Perennial herb

Oenothera sinuosa Wavy-leaved gaura

non-native
Perennial herb

Oenothera speciosa Mexican evening primrose, Pinkladies

non-native
Perennial herb

Oenothera stricta Chilean evening primrose

non-native
Perennial herb

Gaura coccinea Wild honeysuckle, linda tarde

native
Perennial herb

Oenothera suffrutescens Wild honeysuckle, linda tarde

native
Perennial herb

Oenothera tetraptera Fourwing evening primrose

non-native
Perennial herb

Oenothera villosa var. villosa Hairy evening primrose

native
Perennial herb

Oenothera villosa ssp. strigosa Hairy evening primrose

native
Perennial herb

Oenothera wolfii Wolf's evening primrose

• rare native
Perennial herb

Oenothera xenogaura Drummond's gaura

non-native
Perennial herb

Oenothera xylocarpa Wood fruit evening primrose, Woodyfruit evening primrose

native
Perennial herb

Olea europaea Olive

• invasive non-native
Tree, Shrub

Olea europaea var. europaea Olive

• invasive non-native
Tree, Shrub

Olea europaea var. oleaster Olive

• invasive non-native
Tree, Shrub

Olea europaea var. sylvestris Olive

• invasive non-native
Tree, Shrub

Oligomeris linifolia Leaved cambess, Lineleaf whitepuff

native
Annual herb

Olneya tesota Desert ironwood

native
Tree

Olsynium douglasii Douglas' grasswidow

native
Perennial herb

Olsynium douglasii var. inflatum Douglas' grasswidow

native
Perennial herb

Sisyrinchium douglasii Douglas' grasswidow

native
Perennial herb

Oncosiphon piluliferum Stinknet

non-native
Annual herb

Onobrychis viciifolia Sainfoin, Sanfoin

non-native
Perennial herb

Ononis alopecuroides Foxtail restharrow

• invasive non-native
Annual herb

Onopordum acanthium Scotch cottonthistle

• invasive non-native
Perennial herb

Onopordum acanthium ssp. acanthium Scottish thistle

• invasive non-native
Perennial herb

Onopordum illyricum Illyrian cottonthistle, Illyrian thistle

• invasive non-native
Annual, Biennial herb

Onopordum tauricum Bull cottonthistle, Taurian thistle

• invasive non-native
Perennial herb

Ophioglossum californicum California adder's tongue, California adderstongue

• rare native
Fern (rhizomatous)

Ophioglossum pusillum Northern adder's tongue, Northern adderstongue

• rare native
Fern (rhizomatous)

Ophioglossum vulgatum Northern adder's tongue, Northern adderstongue

• rare native
Fern (rhizomatous)

Opuntia basilaris Beavertail cactus, Beavertail pricklypear

native
Shrub (stem succulent)

Opuntia basilaris var. treleasei_intermediate Beavertail cactus, Beavertail pricklypear

native
Shrub (stem succulent)

Opuntia basilaris var. treleasei_intermediate

Opuntia basilaris var. treleasii Beavertail cactus, Beavertail pricklypear

native
Shrub (stem succulent)

Opuntia basilaris var. basilaris Beavertail cactus, Beavertail pricklypear

native
Shrub (stem succulent)

Opuntia basilaris var. brachyclada Beavertail pricklypear, Short joint beavertail

• rare native
Shrub (stem succulent)

Opuntia basilaris var. treleasei Bakersfield cactus, Trelease's beavertail pricklypear

• rare native
Shrub (stem succulent)

Opuntia chlorotica Dollarjoint pricklypear, Pancake cactus, Pancake prickly pear

native
Shrub (stem succulent)

Opuntia engelmannii Cactus apple

native
Shrub

Opuntia engelmannii ssp. liguiformis Cactus apple

native
Shrub

Opuntia engelmannii var. liguliformis Cactus apple

native
Shrub

Opuntia engelmannii var. lingulformia Cactus apple

native
Shrub

Opuntia engelmannii var. engelmannii Cactus apple, Engelmann prickly pear

native
Shrub

Opuntia phaeacantha var. discata Cactus apple, Engelmann prickly pear

native
Shrub

Opuntia ficus-indica Mission cactus, Tuna cactus

non-native
Shrub (stem succulent)

Opuntia fragilis Brittle prickly pear, Brittle pricklypear, Pigmy tuna

• rare native
Shrub (stem succulent)

Opuntia leucotricha Nopal duraznillo

non-native
Shrub (stem succulent)

Opuntia littoralis Coast prickly pear, Coastal pricklypear, Western prickly pear

native
Shrub (stem succulent)

Opuntia macrorhiza Twistspine pricklypear

non-native
Shrub (stem succulent)

Opuntia microdasys Angel's wings

non-native
Shrub (stem succulent)

Opuntia oricola Chaparral pricklypear, Prickly pear

native
Shrub (stem succulent)

Opuntia phaeacantha Brown spined prickly pear, Mojave prickly pear, Tulip pricklypear

native
Shrub (stem succulent)

Opuntia phaeacantha var. laevis Brown spined prickly pear, Mojave prickly pear, Tulip pricklypear

native
Shrub (stem succulent)

Opuntia phaeacantha var. major Brown spined prickly pear, Mojave prickly pear, Tulip pricklypear

native
Shrub (stem succulent)

Opuntia phaeacantha var. phaeacantha Brown spined prickly pear, Mojave prickly pear, Tulip pricklypear

native
Shrub (stem succulent)

Opuntia polyacantha Plains pricklypear

native
Shrub (stem succulent)

Opuntia erinacea Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia erinacea ssp. rubrispina Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia erinacea var. erinacea Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia erinacea var. ursina Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia erinacea var. xanthostemma Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia heacockiae Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia polyacantha var. erinacea Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia polyacantha var. polyacantha Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia polyacantha var. hystricina Grizzlybear pricklypear

native
Shrub (stem succulent)

Opuntia robusta Nopal tapon

non-native
Shrub (stem succulent)

Opuntia tomentosa Woollyjoint pricklypear

non-native
Shrub (stem succulent)

Opuntia littoralis var. vaseyi Vasey's prickly pear

native
Shrub

Opuntia vaseyi Vasey's prickly pear

native
Shrub

Opuntia Xoccidentalis Western prickly pear

native
Shrub (stem succulent)

Orcuttia californica California orcutt grass

• rare native
Annual grass

Orcuttia inaequalis San joaquin valley orcutt grass

• rare native
Annual grass

Orcuttia pilosa Hairy orcutt grass

• rare native
Annual grass

Orcuttia tenuis Slender orcutt grass

• rare native
Annual grass

Orcuttia viscida Sacramento orcutt grass

• rare native
Annual grass

Cryptantha cinerea var. abortiva Bow-nut oreocarya

native
Perennial herb

Cryptantha confertiflora Yellow-flowered oreocarya

native
Perennial herb

Cryptantha flavoculata Yellow-eyed oreocarya

native
Perennial herb

Cryptantha hoffmannii White mountains oreocarya

native
Perennial herb

Oreocarya hoffmannii White mountains oreocarya

native
Perennial herb

Cryptantha humilis Low oreocarya

native
Perennial herb

Cryptantha nubigena Sierra oreocarya

native
Biennial, Perennial herb

Cryptantha virginensis Virgin River oreocarya

native
Perennial herb

Oreonana clementis Clemens' mountain parsley, Pygmy mountainparsley

native
Perennial herb

Oreonana purpurascens Purple mountain parsley, Purple mountainparsley

• rare native
Perennial herb

Oreonana vestita Woolly mountain parsley, Woolly mountainparsley

• rare native
Perennial herb

Oreostemma alpigenum Tundra aster

native
Perennial herb

Oreostemma alpigenum var. alpigenum Tundra aster

native
Perennial herb

Oreostemma alpigenum var. haydenii Tundra aster

native
Perennial herb

Aster alpigenus var. andersonii Tundra aster

native
Perennial herb

Oreostemma alpigenum var. andersonii Tundra aster

native
Perennial herb

Oreostemma elatum Plumas alpine aster

• rare native
Perennial herb

Oreostemma peirsonii Peirson's aster

native
Perennial herb

Origanum majorana Sweet marjoram

non-native
Perennial herb

Origanum vulgare Oregano

non-native
Perennial herb

Origanum vulgare ssp. hirtum Oregano

non-native
Perennial herb

Ornithogalum umbellatum Sleepydick

non-native
Perennial herb

Ornithostaphylos oppositifolia Baja birdbush, Baja california birdbush

• rare native
Shrub

Orobanche hederae Ivy broomrape

non-native
Perennial herb (parasitic)

Orobanche parishii ssp. brachyloba Parish's broomrape, Short lobed broom rape

• rare native
Perennial herb (parasitic)

Orobanche valida ssp. howellii Howell's broomrape

• rare native
Perennial herb (parasitic)

Orobanche valida ssp. valida Rock creek broomrape

• rare native
Perennial herb (parasitic)

Orochaenactis thysanocarpha California mountainpincushion, Mountain pincushion

native
Annual herb

Orthilia secunda One sided wintergreen, Sidebells wintergreen

native
Perennial herb

Pyrola secunda One sided wintergreen, Sidebells wintergreen

native
Perennial herb

Orthocarpus bracteosus Bracted owl's clover, Rosy owl's clover

native
Annual herb

Orthocarpus cuspidatus Broad scaled owl's clover, Toothed owl's clover

native
Annual herb

Orthocarpus cuspidatus ssp. copelandii Copeland's owl's clover

native
Annual herb

Orthocarpus cuspidatus ssp. cryptanthus Cryptantha owl's clover, Short flowered owl's clover

native
Annual herb

Orthocarpus cuspidatus ssp. cuspidatus Siskiyou mountain owl's clover, Siskiyou mtns. orthocarpus

• rare native
Annual herb

Orthocarpus imbricatus Imbricate owl's clover, Mountain owl's clover

native
Annual herb

Orthocarpus luteus Yellow owl's clover

native
Annual herb

Orthocarpus pachystachyus Shasta orthocarpus, Shasta owl's clover

• rare native
Annual herb

Orthotrichum holzingeri Holzinger's orthotrichum moss

• rare native
Moss

Orthotrichum kellmanii Kellman's bristle moss

• rare native
Moss

Orthotrichum shevockii Shevock's bristle moss

native
Moss

Orthotrichum spjutii Spjut's bristle moss

• rare native
Moss

Oryctes nevadensis Nevada oryctes

• rare native
Annual herb

Oryza sativa Domestic rice

non-native
Annual grass

Osmadenia tenella False rosinweed, Osmadenia

native
Annual herb

Osmorhiza berteroi Sweet cicely

native
Perennial herb

Osmorhiza chilensis Sweet cicely

native
Perennial herb

Osmorhiza brachypoda California sweet cicely, California sweetcicely

native
Perennial herb

Osmorhiza depauperata Bluntseed sweetroot, Little sweet cicely

• rare native
Perennial herb

Osmorhiza occidentalis Mountain sweet cicely, Western sweet cicely, Western sweetroot

native
Perennial herb

Osmorhiza purpurea Purple sweet cicely, Purple sweetroot

native
Perennial herb

Osmunda regalis Royal fern

non-native

OSMUNDACEAE

Ottelia alismoides Duck lettuce, Ducklettuce

• invasive non-native
Perennial herb

Oxalis articulata ssp. rubra Windowbox woodsorrel

non-native
Perennial herb

Oxalis albicans Californica wood sorrel

native
Perennial herb

Oxalis californica Californica wood sorrel

native
Perennial herb

Oxalis corniculata Creeping wood sorrel, Creeping woodsorrel, Yellow sorrel

• invasive non-native
Perennial herb

Oxalis hirta Tropical woodsorrel

non-native
Perennial herb

Oxalis incarnata Crimson woodsorrel

non-native
Perennial herb

Oxalis latifolia Broadleaf woodsorrel, Mexican oxalis

non-native
Perennial herb

Oxalis micrantha Dwarf woodsorrel

non-native
Annual herb

Oxalis oregana Redwood sorrel

native
Perennial herb

Oxalis pes-caprae Bermuda buttercup, Sourgrass

• invasive non-native
Perennial herb

Oxalis albicans ssp. pilosa Hairy wood sorrel

native
Annual herb

Oxalis pilosa Hairy wood sorrel

native
Annual herb

Oxalis purpurea Purple oxalis, Purple woodsorrel

non-native
Perennial herb

Oxalis purpurea var. ken Purple oxalis, Purple woodsorrel

non-native
Perennial herb

Oxalis radicosa Dwarf woodsorrel

non-native
Annual herb

Oxalis suksdorfii Suksdorf woodsorrel

• rare native
Perennial herb

Oxalis trilliifolia Three leaf woodsorrel, Threeleaf woodsorrel

native
Perennial herb

Oxypolis occidentalis Western cow bane, Western cowbane

native
Perennial herb

Oxyria digyna Alpine mountain sorrel, Alpine mountainsorrel, Mountain sorrel

native
Perennial herb

Oxystylis lutea Spiny caper

native
Annual herb

Oxytheca dendroidea ssp. dendroidea Tall oxytheca

native
Annual herb

Oxytheca perfoliata Roundleaf oxytheca, Roundleaf puncturebract

native
Annual herb

Oxytheca watsonii Watson's oxytheca

• rare native
Annual herb

Oxytropis borealis var. australis Boreal locoweed

native
Perennial herb

Oxytropis borealis var. viscida Sticky oxytropis, Viscid locoweed

native
Perennial herb

Oxytropis campestris Field locoweed

non-native
Perennial herb

Oxytropis deflexa Nodding locoweed

native
Perennial herb

Oxytropis deflexa var. sericea Blue nodding locoweed, Blue pendent pod oxytrope

• rare native
Perennial herb

Oxytropis oreophila Mountain oxytrope

native
Perennial herb

Oxytropis oreophila var. juniperina mountain oxytrope, Bicknell locoweed

• rare native
Perennial herb

Oxytropis oreophila var. oreophila Mountain oxytrope, Round leaf loco weed

• rare native
Perennial herb

Oxytropis parryi Parry's loco weed, Parry's oxytrope

• rare native
Perennial herb

Ozomelis diversifolia Angle leafed miterwort

native
Perennial herb

Mitella trifida Three parted miterwort

native
Perennial herb

Ozomelis trifida Three parted miterwort

native
Perennial herb

Packera bernardina San bernardino ragwort

• rare native
Perennial herb

Packera bolanderi var. bolanderi Bolander's ragwort, Seacoast ragwort

• rare native
Perennial herb

Packera breweri Brewer's ragwort

native
Perennial herb

Senecio breweri Brewer's ragwort

native
Perennial herb

Packera cana Woolly groundsel

native
Perennial herb

Senecio canus Woolly groundsel

native
Perennial herb

Packera clevelandii Cleveland's ragwort

native
Perennial herb

Senecio clevelandii Cleveland's ragwort

native
Perennial herb

Packera eurycephala Widehead groundsel

native
Perennial herb

Packera eurycephala var. eurycephala Widehead groundsel

native
Perennial herb

Packera eurycephala var. lewisrosei Lewis' groundsel

• rare native
Perennial herb

Packera ganderi Gander's ragwort

• rare native
Perennial herb

Packera greenei Flame ragwort

native
Perennial herb

Packera hesperia Western ragwort

• rare native
Perennial herb

Packera indecora Elegant groundsel, Rayless mountain ragwort

• rare native
Perennial herb

Packera ionophylla Tehachapi ragwort

• rare native
Perennial herb

Packera layneae Layne's ragwort

• rare native
Perennial herb

Packera macounii Siskiyou mountain ragwort

• rare native
Perennial herb

Senecio macounii Siskiyou mountain ragwort

• rare native
Perennial herb

Packera multilobata Lobeleaf groundsel

native
Perennial herb

Senecio multilobatus Lobeleaf groundsel

native
Perennial herb

Packera pauciflora Alpine groundsel

native
Perennial herb

Senecio pauciflorus Alpine groundsel

native
Perennial herb

Packera pseudaurea Falsegold groundsel

native
Perennial herb

Senecio pseudaureus Falsegold groundsel

native
Perennial herb

Packera pseudaurea var. pseudaurea Falsegold groundsel

native
Perennial herb

Packera cymbalarioides Rocky mountain groundsel

native
Perennial herb

Packera streptanthifolia Rocky mountain groundsel

native
Perennial herb

Senecio streptanthifolius Rocky mountain groundsel

native
Perennial herb

Packera streptanthifolia var. streptanthifolia Rocky mountain groundsel

native
Perennial herb

Packera streptanthifolia var. streptanthifolia

Packera subnuda Buek's groundsel

native
Perennial herb

Packera subnuda var. subnuda Cleftleaf groundsel

native
Perennial herb

Senecio cymbalarioides Cleftleaf groundsel

native
Perennial herb

Packera werneriifolia Hoary groundsel

native
Perennial herb

Senecio werneriifolius Hoary groundsel

native
Perennial herb

Paeonia brownii Brown's peony, Mountain peony, Western paeony

native
Perennial herb

PAEONIACEAE

Paeonia californica California peony

native
Perennial herb

PAEONIACEAE

Palafoxia arida Desert palafox, Spanish needle

native
Annual herb

Palafoxia arida ssp. arida Desert palafox, Spanish needle

native
Annual herb

Palafoxia arida var. arida Desert needle, Desert palafox

native
Annual herb

Palafoxia arida var. gigantea Giant spanish needle

• rare native
Annual, Perennial herb

Pallenis maritima Estrella del Mar, Gold coin

non-native

Panicum acuminatum Western panicgrass, Western panicum, Western witch grass

native
Perennial grass

Panicum acuminatum var. acuminatum Western panicgrass, Western panicum, Western witch grass

native
Perennial grass

Dichanthelium acuminatum ssp. fasciculatum Pacific panic grass

native
Perennial grass

Dichanthelium acuminatum ssp. fasciculatum

Panicum acuminatum var. fasciculatum Pacific panic grass

native
Perennial grass

Panicum acuminatum var. lindheimeri Lindheimer panicgrass, Pacific panic grass

native
Perennial grass

Panicum acuminatum var. thermale Geysers panicum

• rare native
Perennial grass

Panicum antidotale Blue panicgrass, Blue panicum

• invasive non-native
Perennial grass

Panicum capillare Old witch grass, Witchgrass

native
Annual grass

Panicum dichotomiflorum Fall panicgrass, Smooth witchgrass

non-native
Annual grass

Panicum dichotomiflorum ssp. dichotomiflorum Fall panic grass

non-native
Annual grass

Panicum dichotomiflorum ssp. dichotomiflorum

Panicum hirticaule Mexican panicgrass

native
Annual grass

Panicum hirticaule ssp. hirticaule Roughstalk witch grass

• rare native
Annual grass

Panicum miliaceum ssp. miliaceum Broomcorn millet

non-native
Annual grass

Panicum oligosanthes var. scribnerianum Scribner's rosette grass

native
Annual grass

Panicum urvilleanum Desert panicgrass

native
Perennial grass

Panicum virgatum Switchgrass

non-native
Perennial grass

Papaver argemone Long pricklyhead poppy, Pale rough fruited poppy

non-native
Annual herb

Papaver californicum Fire poppy, Western poppy

native
Annual herb

Papaver dubium Blindeyes

non-native
Annual herb

Papaver heterophyllum Wind poppy

native
Annual herb

Stylomecon heterophylla Wind poppy

native
Annual herb

Papaver hybridum Round pricklyhead poppy

non-native
Annual herb

Papaver orientale Oriental poppy

non-native
Annual herb

Papaver rhoeas Corn poppy

non-native
Annual herb

Papaver somniferum Opium poppy

non-native
Annual herb

Parapholis incurva Curved sicklegrass, Sickle grass

non-native
Annual grass

Parentucellia latifolia Broadleaf glandweed, Broadleaf parentucellia

non-native
Annual herb

Parentucellia latifolia ssp. albiflora Broadleaf glandweed, Broadleaf parentucellia

non-native
Annual herb

Parentucellia viscosa Yellow glandweed, Yellow parentucellia

• invasive non-native
Annual herb

Parietaria hespera Pelitory, Pellitory, Rillita pellitory

native
Annual herb

Parietaria hespera var. californica California pellitory

native
Annual herb

Parietaria hespera var. hespera Rillita pellitory

native
Annual herb

Parietaria diffusa Spreading pellitory

non-native
Perennial herb

Parietaria judaica Spreading pellitory

non-native
Perennial herb

Parietaria pensylvanica Pennsylvania pellitory

native
Annual herb

Parkinsonia aculeata Jerusalem thorn, Mexican palo verde

• invasive non-native
Tree

Cercidium floridum Blue paloverde

native
Tree

Parkinsonia florida Blue paloverde

native
Tree

Parkinsonia florida ssp. peninsulare Blue paloverde

native
Tree

Cercidium microphyllum Yellow paloverde

• rare native
Tree, Shrub

Parkinsonia microphylla Yellow paloverde

• rare native
Tree, Shrub

Parnassia cirrata San bernardino grass of parnassus

native
Perennial herb

Parnassia cirrata var. intermedia Cascade grass of parnassus

• rare native
Perennial herb

Parnassia fimbriata Fringed grass of parnassus, Rocky mountain parnassia

native
Perennial herb

Parnassia fimbriata var. intermedia Fringed grass of parnassus, Rocky mountain parnassia

native
Perennial herb

Parnassia californica Marsh grass of parnassus

native
Perennial herb

Parnassia palustris Marsh grass of parnassus

native
Perennial herb

Parnassia palustris var. parviflora Small flower parnassia

• rare native
Perennial herb

Parnassia parviflora Small flower parnassia

• rare native
Perennial herb

Paronychia ahartii Ahart's nailwort, Ahart's paronychia

• rare native
Annual herb

Paronychia franciscana California whitlow wort, Franciscan paronychia, San francisco nailwort

non-native
Perennial herb

Parthenium argentatum Guayule

non-native
Perennial herb

Parthenium hysterophorus Santa maria feverfew

• invasive non-native
Perennial herb

Parthenium incanum Mariola

non-native
Perennial herb

Parthenocissus inserta Woodbine

non-native
Vine, Shrub

Parthenocissus vitacea Woodbine

non-native
Vine, Shrub

Parthenocissus quinquefolia Virginia creeper

non-native
Vine, Shrub

Parthenocissus tricuspidata Boston ivy

non-native
Vine, Shrub

Paspalum dilatatum Dallis grass, Dallisgrass

non-native
Perennial grass

Paspalum distichum Knot grass, Knotgrass

native
Perennial grass

Paspalum paspaloides Knot grass, Knotgrass

native
Perennial grass

Paspalum notatum Bahia grass, Bahiagrass

non-native
Perennial grass

Paspalum urvillei Vasey's grass

• invasive non-native
Perennial grass

Paspalum vaginatum Seashore paspalum

• invasive non-native
Perennial grass

Passiflora caerulea Bluecrown passionflower

non-native
Vine

Passiflora manicata Red passionflower

non-native
Vine

Passiflora mollissima

• invasive non-native
Vine

Passiflora tarminiana

• invasive non-native
Vine

Passiflora tripartita var. mollissima

• invasive non-native
Vine

Pastinaca sativa Garden parsnip, Wild parsnip

non-native
Perennial herb

Paulownia tomentosa Princesstree

non-native
Perennial herb

Pachystima myrsinites Oregon boxleaf, Oregon boxwood

native
Shrub

Paxistima myrsinites Oregon boxleaf, Oregon boxwood

native
Shrub

Mitella breweri Brewer's miterwort

native
Perennial herb

Pectiantia breweri Brewer's miterwort

native
Perennial herb

Mitella ovalis Coastal miterwort

native
Perennial herb

Pectiantia ovalis Coastal miterwort

native
Perennial herb

Mitella pentandra Alpine mitrewort

native
Perennial herb

Pectiantia pentandra Alpine mitrewort

native
Perennial herb

Pectis filipes Fivebract chinchweed

non-native
Annual herb

Pectis papposa Manybristle chinchweed

native
Annual herb

Pectis papposa var. papposa Chinch weed, Manybristle cinchweed

native
Annual herb

Pectocarya heterocarpa Chuckwalla combseed, Chuckwalla pectocarya, Hairy leaved comb bur

native
Annual herb

Pectocarya linearis Sagebrush combseed

native
Annual herb

Pectocarya linearis ssp. ferocula Sagebrush combseed, Slender comb seed, Slender pectocarya

native
Annual herb

Pectocarya penicillata Sleeping combseed, Winged comb seed, Winged pectocarya

native
Annual herb

Pectocarya peninsularis Baja pectocarya, Peninsular pectocarya

native
Annual herb

Pectocarya platycarpa Broad fruited combseed, Broad nutted comb bur, Broadfruit combseed

native
Annual herb

Pectocarya recurvata Arch nutted comb bur, Curvenut combseed

native
Annual herb

Pectocarya setosa Moth combseed, Stiff stemmed comb bur

native
Annual herb

Pedicularis attollens Attol lousewort, Little elephant head, Little elephant's head

native
Perennial herb

Pedicularis attollens ssp. attollens Little elephantshead

native
Perennial herb

Pedicularis bracteosa Bracted lousewort

native
Perennial herb

Pedicularis bracteosa var. atrosanguinea Bracted lousewort

native
Perennial herb

Pedicularis bracteosa var. atrosanguinea

Pedicularis bracteosa var. bracteosa Bracted lousewort

native
Perennial herb

Pedicularis bracteosa var. paysoniana Bracted lousewort

native
Perennial herb

Pedicularis bracteosa var. flavida Towering lousewort, Yellowish lousewort

• rare native
Perennial herb

Pedicularis centranthera Dwarf lousewort

• rare native
Perennial herb

Pedicularis contorta Coiled lousewort, Curved beak lousewort

• rare native
Perennial herb

Pedicularis contorta var. contorta Coiled lousewort, Curved beak lousewort

• rare native
Perennial herb

Pedicularis crenulata Meadow lousewort, Scalloped leaved lousewort

• rare native
Perennial herb

Pedicularis densiflora Warrior's plume, Indian warrior

native
Perennial herb

Pedicularis dudleyi Dudley's lousewort

• rare native
Perennial herb

Pedicularis groenlandica Elephant head lousewort, Elephant heads, Elephant's head

native
Perennial herb

Pedicularis howellii Howell's lousewort

• rare native
Perennial herb

Pedicularis procera Giant lousewort

non-native
Perennial herb

Pedicularis racemosa Leafy lousewort, Sickletop lousewort

native
Perennial herb

Pedicularis racemosa ssp. alba Leafy lousewort, Sickletop lousewort

native
Perennial herb

Pedicularis racemosa var. alba Leafy lousewort, Sickletop lousewort

native
Perennial herb

Pedicularis semibarbata Bearded lousewort, Pine lousewort, Pine woods lousewort

native
Perennial herb

Pedicularis semibarbata var. charlestonensis Bearded lousewort, Pine lousewort, Pine woods lousewort

native
Perennial herb

Pedicularis semibarbata var. charlestonensis

Pediomelum californicum California indian breadroot

native
Perennial herb

Pediomelum castoreum Beaver indian breadroot

• rare native
Perennial herb

Peganum harmala Harmal peganum

• invasive non-native
Perennial herb

NITRARIACEAE

Pelargonium capitatum Rose scented geranium

non-native
Perennial herb, Shrub

Pelargonium grossularioides Gooseberry geranium, Gooseberry pelargonium

non-native
Annual, Perennial herb

Pelargonium odoratissimum Apple geranium

non-native
Perennial herb, Shrub

Pelargonium peltatum Ivy geranium, Ivyleaf geranium

non-native
Perennial herb, Shrub

Pelargonium graveolens Geranium, Oak leafed pelargonium, Oakleaf geranium

non-native
Shrub (stem succulent)

Pelargonium vitifolium Geranium, Grape leafed geranium, Grapeleaf geranium

non-native
Perennial herb

Pelargonium domesticum Regal pelargonium

non-native
Shrub (stem succulent)

Pelargonium Xdomesticum Regal pelargonium

non-native
Shrub (stem succulent)

Pelargonium hortorum Garden pelargonium, Zonal geranium

non-native
Shrub (stem succulent)

Pelargonium Xhortorum Garden pelargonium, Zonal geranium

non-native
Shrub (stem succulent)

Pellaea andromedifolia Coffee cliffbrake, Coffee fern

native
Fern

Pellaea brachyptera Sierra cliff brake, Sierra cliffbrake

native
Fern

Pellaea breweri Brewer's cliff brake, Brewer's cliffbrake

native
Fern

Pellaea bridgesii Bridges' cliff brake, Bridges' cliffbrake

native
Fern

Pellaea mucronata Bird's foot fern, Birdfoot cliffbrake, Birdfoot fern

native
Fern

Pellaea mucronata ssp. californica California cliff brake, bird's foot fern

native
Fern

Pellaea mucronata var. californica California cliff brake, bird's foot fern

native
Fern

Pellaea mucronata ssp. mucronata Bird's foot fern

native
Fern

Pellaea mucronata var. mucronata Bird's foot fern

native
Fern

Pellaea truncata Cliff brake, Spiny cliffbrake

• rare native
Fern (rhizomatous)

Pellaea glaciogena

native
Fern (rhizomatous)

Peltandra virginica Green arrow arum, Peltandra

non-native
Perennial herb

Cenchrus ciliaris Buffelgrass

non-native
Perennial grass

Pennisetum ciliare Buffelgrass

non-native
Perennial grass

Pennisetum clandestinum Kikuyu grass, Kikuyugrass

• invasive non-native
Perennial grass

Pennisetum glaucum Pearl millet

non-native
Annual, Perennial grass

Pennisetum latifolium Uruguayan fountaingrass

non-native
Perennial grass

Pennisetum purpureum Elephant grass

non-native
Perennial grass

Pennisetum setaceum Crimson fountaingrass, Fountaingrass

• invasive non-native
Perennial grass

Pennisetum villosum Feathertop

• invasive non-native
Perennial grass

Penstemon albomarginatus White margined beardtongue, Whitemargin beardtongue

• rare native
Perennial herb

Penstemon anguineus Siskiyou beardtongue

native
Perennial herb

Penstemon azureus Azure penstemon, Blue penstemon

native
Perennial herb

Penstemon azureus var. angustissimus Azure penstemon

native
Perennial herb

Penstemon azureus ssp. azureus Azure penstemon

native
Perennial herb

Penstemon azureus var. azureus Azure penstemon

native
Perennial herb

Penstemon barnebyi Barneby's beardtongue, White river valley beardtongue

• rare native
Perennial herb

Penstemon bicolor Pinto beardtongue, Two color beardtongue

native
Perennial herb

Penstemon bicolor ssp. bicolor Pinto beardtongue, Two color beardtongue

native
Perennial herb

Penstemon bicolor ssp. roseus Pinto beardtongue

• rare native
Perennial herb

Penstemon caesius San bernardino beardtongue

native
Perennial herb

Penstemon caespitosus var. desertipicti Mat penstemon

non-native
Perennial herb

Penstemon calcareus Limestone beardtongue

• rare native
Perennial herb

Penstemon californicus California beardtongue, California penstemon

• rare native
Perennial herb

Penstemon centranthifolius Scarlet bugler

native
Perennial herb

Penstemon cinereus Gray beardtongue

• rare native
Perennial herb

Penstemon cinicola Ash beardtongue, Ash penstemon

• rare native
Perennial herb

Penstemon clevelandii Cleveland's beardtongue

native
Perennial herb

Penstemon clevelandii var. clevelandii Cleveland's beardtongue

native
Perennial herb

Penstemon clevelandii var. connatus San Jacinto beardtongue

• rare native
Perennial herb

Penstemon clevelandii var. mohavensis Mohave beard's tongue, Mojave beardtongue

native
Perennial herb

Penstemon confertus Yellow penstemon

non-native
Perennial herb

Penstemon davidsonii Davidson's penstemon

native
Perennial herb

Penstemon davidsonii var. menziesii Davidson's penstemon

native
Perennial herb

Penstemon davidsonii var. praeteritus Davidson's penstemon

native
Perennial herb

Penstemon davidsonii var. davidsonii Davidson's beardtongue, Davidson's penstemon

native
Perennial herb

Penstemon deustus Hot rock beardtongue, Rock penstemon, Hot-Rock Penstemon

native
Perennial herb

Penstemon deustus var. pedicellatus Hot rock beardtongue, Scabland penstemon

native
Perennial herb

Penstemon deustus var. suffrutescens Hot rock beardtongue, Scabland penstemon

native
Perennial herb

Penstemon eatonii Eaton firecracker, Eaton's penstemon

native
Perennial herb

Penstemon eatonii ssp. eatonii Eaton's penstemon

native
Perennial herb

Penstemon eatonii var. eatonii Eaton's penstemon

native
Perennial herb

Penstemon eatonii ssp. undosus Eaton's firecracker, Eaton's penstemon

native
Perennial herb

Penstemon eatonii var. undosus Eaton's firecracker, Eaton's penstemon

native
Perennial herb

Penstemon filiformis Thread leaved beardtongue, Threadleaf beardtongue

• rare native
Perennial herb

Penstemon floridus Panamint beardtongue, Rose penstemon

native
Perennial herb

Penstemon floridus var. austinii Austin's beardtongue

native
Perennial herb

Penstemon floridus var. floridus Panamint beardtongue, Rose penstemon

native
Perennial herb

Penstemon fruticiformis Death valley beardtongue, Death valley penstemon, Desert beardtongue

native
Perennial herb

Penstemon fruticiformis ssp. amargosae Death valley beardtongue

• rare native
Perennial herb

Penstemon fruticiformis var. amargosae Death valley beardtongue

• rare native
Perennial herb

Penstemon fruticiformis var. fruticiformis Desert beardtongue

native
Perennial herb

Penstemon fruticiformis var. fruticiformis

Penstemon glaber Sawsepal penstemon

non-native
Perennial herb

Penstemon gracilentus Slender beardtongue, Slender penstemon

native
Perennial herb

Penstemon grinnellii Grinnell's beardtongue

native
Perennial herb

Penstemon grinnellii var. grinnellii Grinnell's beardtongue

native
Perennial herb

Penstemon grinnellii ssp. scrophularioides Grinnell's beardtongue

native
Perennial herb

Penstemon grinnellii ssp. scrophularioides

Penstemon grinnellii var. scrophularioides Grinnell's beardtongue

native
Perennial herb

Penstemon grinnellii var. scrophularioides

Penstemon heterodoxus Sierra beardtongue, Sierra penstemon

native
Perennial herb

Penstemon heterodoxus var. cephalophorus Sierra beardtongue

native
Perennial herb

Penstemon heterodoxus var. cephalophorus

Penstemon heterodoxus var. heterodoxus Sierra beardtongue

native
Perennial herb

Penstemon heterodoxus var. shastensis Shasta beardtongue

• rare native
Perennial herb

Penstemon heterophyllus Bunchleaf penstemon, Foothill penstemon

native
Perennial herb

Penstemon heterophyllus var. australis Southern foothill penstemon

native
Perennial herb

Penstemon heterophyllus var. heterophyllus Foothill penstemon

native
Perennial herb

Penstemon heterophyllus var. heterophyllus

Penstemon heterophyllus var. purdyi Purdy's foothill penstemon

native
Perennial herb

Penstemon humilis Low beardtongue

native
Perennial herb

Penstemon humilis ssp. obtusifolius Low beardtongue

native
Perennial herb

Penstemon humilis var. brevifolius Low beardtongue

native
Perennial herb

Penstemon decurvus Low beardtongue

native
Perennial herb

Penstemon humilis var. humilis Low beardtongue

native
Perennial herb

Penstemon incertus Mojave beardtongue, Western desert penstemon

native
Shrub

Penstemon janishiae Antelope valley beardtongue

• rare native
Perennial herb

Penstemon labrosus San gabriel beardtongue

native
Perennial herb

Penstemon laetus Gay penstemon, Mountain blue penstemon

native
Perennial herb

Penstemon laetus var. laetus Mountain blue penstemon

native
Perennial herb

Penstemon laetus ssp. sagittatus Mountain blue penstemon

native
Perennial herb

Penstemon laetus var. sagittatus Mountain blue penstemon

native
Perennial herb

Penstemon monoensis Mono penstemon

native
Perennial herb

Penstemon neotericus Derived penstemon, Plumas county beardtongue

native
Perennial herb

Penstemon newberryi Mountain pride

native
Perennial herb

Penstemon newberryi var. berryi Berry's mountain pride

native
Perennial herb

Penstemon newberryi var. newberryi Newberry's penstemon

native
Perennial herb

Penstemon newberryi var. sonomensis Sonoma beardtongue

• rare native
Perennial herb

Penstemon palmeri Palmer's penstemon

native
Perennial herb

Penstemon palmeri var. eglandulosus Palmer's penstemon

native
Perennial herb

Penstemon palmeri var. palmeri Palmer's penstemon

native
Perennial herb

Penstemon papillatus Inyo beardtongue

• rare native
Perennial herb

Penstemon parvulus Short stalk penstemon, Small penstemon

native
Perennial herb

Penstemon patens Lone pine beardtongue

native
Perennial herb

Penstemon personatus Closed throated beardtongue, Closethroat beardtongue

• rare native
Perennial herb

Penstemon procerus Littleflower penstemon, Small flowered penstemon

native
Perennial herb

Penstemon procerus var. procerus Littleflower penstemon, Small flowered penstemon

native
Perennial herb

Penstemon procerus var. formosus Pincushion beardtongue, Western small flowered penstemon

native
Perennial herb

Penstemon pseudospectabilis Desert penstemon

native
Perennial herb

Penstemon purpusii Snow mountain beardtongue, Snow mtn. beardtongue

native
Perennial herb

Penstemon rattanii Rattan's beardtongue

native
Perennial herb

Penstemon rattanii var. kleei Santa cruz mtns. beardtongue

• rare native
Perennial herb

Penstemon rattanii var. rattanii Rattan's beardtongue

native
Perennial herb

Penstemon roezlii Regel's mountain penstemon

native
Perennial herb

Penstemon rostriflorus Beaked penstemon, Bridge penstemon, Bridge's penstemon

native
Perennial herb

Penstemon rupicola Cliff beardtongue, Rock beardtongue, Rock penstemon

native
Perennial herb

Penstemon rydbergii Rydberg's penstemon

native
Perennial herb

Penstemon rydbergii var. aggregatus Rydberg's penstemon

native
Perennial herb

Penstemon rydbergii var. rydbergii Rydberg's penstemon

native
Perennial herb

Penstemon rydbergii var. oreocharis Herbaceous penstemon, Meadow beardtongue, Mountain meadow beardtongue

native
Perennial herb

Penstemon scapoides Pinyon beardtongue

• rare native
Perennial herb

Penstemon speciosus Royal beardtongue, Royal penstemon, Showy penstemon

native
Perennial herb

Penstemon spectabilis Showy penstemon

native
Perennial herb

Penstemon spectabilis var. spectabilis Showy penstemon

native
Perennial herb

Penstemon spectabilis var. subviscosus Showy penstemon

native
Perennial herb

Penstemon stephensii Stephen's penstemon, Stephens' penstemon, Stephens's beardtongue

• rare native
Perennial herb

Penstemon strictus Rocky mountain penstemon

non-native
Perennial herb

Penstemon subglaber Smooth penstemon

non-native
Perennial herb

Penstemon sudans Susanville beardtongue, Volcanic beardtongue

• rare native
Shrub (stem succulent)

Penstemon thompsoniae Thompson's beardtongue

• rare native
Perennial herb

Penstemon thompsoniae ssp. jaegeri Thompson's beardtongue

• rare native
Perennial herb

Penstemon thurberi Thurber penstemon, Thurber's beardtongue, Thurber's penstemon

• rare native
Perennial herb

Penstemon tracyi Tracy's beardtongue, Trinity penstemon

• rare native
Perennial herb

Penstemon utahensis Utah penstemon

• rare native
Perennial herb

Penstemon venustus Venus penstemon

non-native
Shrub (stem succulent)

Penstemon Xdubius Hybrid penstemon

native
Perennial herb

Penstemon Xparishii Hybrid beardtongue

native
Perennial herb

Pentachaeta alsinoides Tiny pygmy daisy, Tiny pygmydaisy

native
Annual herb

Pentachaeta aurea Golden chaetopappa, Golden rayed pentachaeta

native
Annual herb

Pentachaeta aurea ssp. allenii Allen's daisy

• rare native
Annual herb

Pentachaeta aurea ssp. aurea Golden chaetopappa

• rare native
Perennial herb

Pentachaeta bellidiflora White rayed pentachaeta, Whiteray pygmydaisy

• rare native
Annual herb

Pentachaeta exilis Meager pygmydaisy, Slender pentachaeta

native
Annual herb

Pentachaeta exilis ssp. aeolica Meager pygmydaisy, Slender pentachaeta

• rare native
Annual herb

Pentachaeta exilis ssp. exilis Meager pygmydaisy, Slender pentachaeta

native
Annual herb

Pentachaeta fragilis Fragile pygmy daisy, Fragile pygmydaisy

• rare native
Annual herb

Pentachaeta lyonii Lyon's pentachaeta, Lyon's pygmydaisy

• rare native
Annual herb

Pentagramma glanduloviscida

Fern

Pentagramma triangularis ssp. maxonii Maxon's gold back fern

native
Fern

Pentagramma pallida Silver back fern

native
Fern

Pentagramma triangularis ssp. rebmanii

Fern

Pentagramma triangularis Gold back fern, Goldenback fern

native
Fern

Pentagramma triangularis var. triangularis Gold back fern, Goldenback fern

native
Fern

Pentagramma triangularis var. triangularis

Pentagramma triangularis ssp. triangularis Gold back fern

native
Fern

Pentagramma triangularis ssp. triangularis

Pentagramma triangularis ssp. viscosa Sticky gold back fern

native
Fern

Pentameris airoides ssp. airoides False Hair-grass

non-native
Perennial grass

Peraphyllum ramosissimum Wild crab apple

native
Shrub

Pereskia aculeata Barbados shrub

non-native
Perennial herb

Pericallis cruenta

non-native
Annual, Perennial herb

Pericome caudata Mountain tail leaf, Tailed pericome

native
Perennial herb

Perideridia bacigalupii Bacigalupi's yampah, Mother lode yampah

• rare native
Perennial herb

Perideridia bolanderi Bolander's yampah

native
Perennial herb

Perideridia bolanderi ssp. bolanderi Bolander's yampah

native
Perennial herb

Perideridia californica California yampah

native
Perennial herb

Perideridia gairdneri Gairdner's yampah, Gardner's yampah

native
Perennial herb

Perideridia gairdneri ssp. borealis Common yampah, Northern gairdner's yampah

native
Perennial herb

Perideridia gairdneri ssp. gairdneri Gairdner's yampah

• rare native
Perennial herb

Perideridia howellii Howell's yampah

native
Perennial herb

Perideridia kelloggii Kellogg's yampah, Yampah

native
Perennial herb

Perideridia lemmonii Lemmon's yampah

native
Perennial herb

Perideridia leptocarpa Narrow seeded yampah, Narrowseed yampah

• rare native
Perennial herb

Perideridia oregana Oregon yampah

native
Perennial herb

Perideridia parishii Parish's yampah

native
Perennial herb

Perideridia parishii ssp. latifolia Parish's yampah, Wide leaved parish's yampah

native
Perennial herb

Perideridia parishii ssp. parishii Parish's yampah

• rare native
Perennial herb

Perideridia pringlei Adobe yampah

• rare native
Perennial herb

Perityle emoryi Emory's rock daisy, Emory's rockdaisy

native
Annual herb

Perityle inyoensis Inyo rock daisy, Inyo rockdaisy

• rare native
Perennial herb, Shrub

Perityle megalocephala var. megalocephala Large headed rock daisy, Nevada rockdaisy

native
Shrub

Perityle megalocephala var. megalocephala

Perityle megalocephala var. oligophylla Small leaved rockdaisy, Straight leaf rock daisy

native
Shrub

Perityle microglossa Shortray rockdaisy

non-native
Perennial herb

Perityle villosa Hanaupah rock daisy, Hanaupah rockdaisy

• rare native
Perennial herb

Persea americana Avocado

non-native
Tree

Persicaria amphibia Water smartweed

native
Perennial herb (aquatic)

Persicaria amphibia var. stipulacea Water smartweed

native
Perennial herb (aquatic)

Persicaria coccinea Water smartweed

native
Perennial herb (aquatic)

Polygonum amphibium Water smartweed

native
Perennial herb (aquatic)

Polygonum amphibium var. stipulaceum Water smartweed

native
Perennial herb (aquatic)

Polygonum coccineum Water smartweed

native
Perennial herb (aquatic)

Polygonum hydropiper Common smartweed

non-native
Annual herb

Persicaria hydropiperoides Water pepper

native
Perennial herb

Polygonum hydropiperoides Water pepper

native
Perennial herb

Persicaria lapathifolia Common knotweed

native
Annual herb

Polygonum lapathifolium Common knotweed

native
Annual herb

Persicaria maculosa Spotted ladysthumb

non-native
Annual herb

Polygonum persicaria Spotted ladysthumb

non-native
Annual herb

Polygonum orientale Kiss me over the garden gate

non-native
Annual herb

Persicaria pensylvanica Pinkweed

non-native
Annual herb

Polygonum pensylvanicum Pinkweed

non-native
Annual herb

Persicaria punctata Dotted smartweed

native
Perennial herb

Persicaria wallichii Himalayan knotweed

• invasive non-native
Perennial herb

Petalonyx linearis Long leaved sandpaper plant, Narrow leaf sandpaper plant, Narrowleaf sandpaper plant

• rare native
Shrub

Petalonyx nitidus Shiny leaf sandpaper plant, Shinyleaf sandpaper plant, sand paper plant

native
Perennial herb

Petalonyx thurberi Sandpaper plant, Thurber's sandpaper plant

native
Perennial herb

Petalonyx thurberi ssp. gilmanii Death valley sandpaper plant

• rare native
Shrub

Petalonyx thurberi ssp. thurberi Thurber's sandpaper plant

native
Perennial herb

Petasites albus White butterbur

non-native
Perennial herb

Petasites fragrans Winter heliotrope

non-native
Perennial herb

Petasites frigidus Arctic sweet coltsfoot

native
Perennial herb

Petasites frigidus var. sagitatus Arctic sweet coltsfoot

native
Perennial herb

Petasites frigidus var. palmatus Arctic sweet coltsfoot, Western coltsfoot

native
Perennial herb

Peteria thompsoniae Spine noded milk vetch, Thompson's peteria

• rare native
Perennial herb

Petradoria pumila ssp. pumila Grassy rockgoldenrod, Rock goldenrod

• rare native
Perennial herb

Petradoria pumila var. pumila Rock-goldenrod

native
Perennial herb

Petrophytum caespitosum Mat rockspirea

native
Shrub

Petrophytum caespitosum ssp. acuminatum Marble rockmat

• rare native
Shrub

Petrophytum caespitosum ssp. caespitosum Rock spiraea

native
Shrub

Petrophytum caespitosum ssp. caespitosum

Petrorhagia dubia Hairypink, Pink grass, Wilding pink

non-native
Annual herb

Petrorhagia velutina Hairypink, Pink grass, Wilding pink

non-native
Annual herb

Petrorhagia nanteuilii Proliferous pink, Tubercle seeded pink grass

non-native
Annual herb

Petrorhagia prolifera Childing pink, Pink grass

non-native
Annual herb

Petroselinum crispum Parsley

non-native
Perennial herb

Petunia axillaris Large white petunia

non-native
Annual, Perennial herb

Petunia integrifolia Violetflower petunia

non-native
Annual, Perennial herb

Petunia parviflora Wild petunia

native
Annual herb

Peucephyllum schottii Desert fir, Desert pine, Pigmycedar

native
Shrub

Phacelia adenophora Glandular yellow phacelia

native
Annual herb

Phacelia affinis Limestone phacelia, Purple bell phacelia

native
Annual herb

Phacelia anelsonii Aven nelson's phacelia

• rare native
Annual herb

Phacelia argentea Sand dune phacelia, Sanddune phacelia

• rare native
Perennial herb

Phacelia austromontana Southern sierra phacelia

native
Annual herb

Phacelia barnebyana Barneby's phacelia

• rare native
Annual herb

Phacelia bicolor Twocolor phacelia

native
Annual herb

Phacelia bicolor var. bicolor Twocolor phacelia

native
Annual herb

Phacelia bolanderi Bolander's phacelia, Redwood phacelia

native
Perennial herb

Phacelia brachyloba Short lobed phacelia, Shortlobe phacelia

native
Annual herb

Phacelia breweri Brewer's phacelia

native
Annual herb

Phacelia californica California phacelia, Phacelia, Rock phacelia

native
Perennial herb

Phacelia calthifolia Caltha leafed phacelia, Calthaleaf phacelia

native
Annual herb

Phacelia campanularia Desert bells, Desert bluebells, Desertbells

native
Annual herb

Phacelia campanularia var. campanularia Desert bells

native
Annual herb

Phacelia campanularia ssp. vasiformis Desert bluebells

native
Annual herb

Phacelia campanularia var. vasiformis Desert bluebells

native
Annual herb

Phacelia cicutaria Caterpillar phacelia

native
Annual herb

Phacelia cicutaria var. cicutaria Caterpillar phacelia

native
Annual herb

Phacelia cicutaria var. hispida Caterpillar phacelia

native
Annual herb

Phacelia ciliata Great valley phacelia

native
Annual herb

Phacelia ciliata var. ciliata Great valley phacelia

native
Annual herb

Phacelia coerulea Sky blue phacelia

• rare native
Annual herb

Phacelia congdonii Congdon's phacelia

native
Annual herb

Phacelia cookei Cooke's phacelia

• rare native
Annual herb

Phacelia corymbosa Serpentine phacelia

native
Perennial herb

Phacelia crenulata Cleftleaf wildheliotrope, Heliotrope phacelia, Notch leaved phacelia

native
Annual herb

Phacelia crenulata var. corrugata Cleftleaf wildheliotrope, Heliotrope phacelia, Notch leaved phacelia

native
Annual herb

Phacelia crenulata var. ambigua Heliotrope phacelia, Notch leaved phacelia, Purplestem phacelia

native
Annual herb

Phacelia crenulata var. crenulata Cleftleaf wildheliotrope, Heliotrope phacelia

native
Annual herb

Phacelia crenulata var. minutiflora Cleftleaf wildheliotrope, Little flowered heliotrope phacelia

native
Annual herb

Phacelia cryptantha Hiddenflower phacelia, Limestone phacelia, Small flowered phacelia

native
Annual herb

Phacelia curvipes Washoe phacelia

native
Annual herb

Phacelia davidsonii Davidson's phacelia

native
Annual herb

Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope

native
Annual herb

Phacelia distans var. australis Common phacelia, Distant phacelia, Wild heliotrope

native
Annual herb

Phacelia divaricata Divaricate phacelia

native
Annual herb

Phacelia douglasii Douglas' phacelia

native
Annual herb

Phacelia douglasii var. petrophila Douglas' phacelia, Rockloving phacelia

native
Annual herb

Phacelia egena Kaweah river phacelia, Rock phacelia

native
Perennial herb

Phacelia eisenii Eisen's phacelia

native
Annual herb

Phacelia eisenii var. brandegeeana Eisen's phacelia

native
Annual herb

Phacelia exilis Transverse range phacelia

• rare native
Annual herb

Phacelia floribunda Many flowered phacelia, Southern island phacelia

• rare native
Annual herb

Phacelia fremontii Fremont's phacelia

native
Annual herb

Phacelia glandulifera Sticky phacelia

native
Annual herb

Phacelia grandiflora Giant flowered phacelia, Large flowered phacelia, Largeflower phacelia

native
Annual herb

Phacelia greenei Scott valley phacelia

• rare native
Annual herb

Phacelia grisea Grey phacelia, Santa lucia phacelia

native
Annual herb

Phacelia gymnoclada Naked stem phacelia, Nakedstem phacelia

• rare native
Annual herb

Phacelia hastata Mountain phacelia, Silverleaf phacelia, Timberline phacelia

native
Perennial herb

Phacelia hastata ssp. compacta Timberline phacelia

native
Perennial herb

Phacelia hastata var. compacta Timberline phacelia

native
Perennial herb

Phacelia hastata ssp. hastata Mountain phacelia

native
Perennial herb

Phacelia hastata var. hastata Mountain phacelia

native
Perennial herb

Phacelia heterophylla Varileaf phacelia

native
Perennial herb

Phacelia heterophylla var. heterophylla Varileaf phacelia

native
Perennial herb

Phacelia heterophylla ssp. virgata Varied leaf phacelia

native
Perennial herb

Phacelia heterophylla var. virgata Varied leaf phacelia

native
Perennial herb

Phacelia hubbyi Hubby's phacelia

• rare native
Annual herb

Phacelia humilis Low phacelia

native
Annual herb

Phacelia humilis var. humilis Low phacelia

native
Annual herb

Phacelia hydrophylloides Water leaf phacelia, Waterleaf phacelia

native
Perennial herb

Phacelia imbricata Imbricate phacelia

native
Perennial herb

Phacelia imbricata var. bernardina Bernadina Phacelia

native
Annual herb

Phacelia imbricata ssp. imbricata Imbricate Phacelia

native
Annual herb

Phacelia imbricata var. imbricata Imbricate Phacelia

native
Annual herb

Phacelia imbricata var. patula Imbricate phacelia

native
Perennial herb

Phacelia insularis Coast phacelia, Santa rosa island phacelia

native
Annual herb

Phacelia insularis ssp. continentalis Coast phacelia, Santa rosa island phacelia

native
Annual herb

Phacelia insularis var. continentis North coast phacelia

• rare native
Annual herb

Phacelia insularis var. insularis Island phacelia, Northern channel islands phacelia

• rare native
Annual herb

Phacelia inundata Playa phacelia, Playa yellow phacelia

• rare native
Annual herb

Phacelia inyoensis Inyo phacelia

• rare native
Annual herb

Phacelia ivesiana Ives' phacelia

native
Annual herb

Phacelia keckii Santiago peak phacelia

• rare native
Annual herb

Phacelia lemmonii Lemmon's phacelia

native
Annual herb

Phacelia leonis Siskiyou phacelia

• rare native
Annual herb

Phacelia linearis Linear leaf phacelia, Narrow leafed phacelia, Thread leaf phacelia

native
Annual herb

Phacelia longipes Long stalk phacelia, Longstalk phacelia

native
Annual herb

Phacelia lutea var. lutea Yellow phacelia

non-native
Perennial herb

Phacelia lyonii Lyon's phacelia

native
Annual herb

Phacelia malvifolia Stinging phacelia

native
Annual herb

Phacelia malvifolia var. malvifolia Stinging phacelia

native
Annual herb

Phacelia marcescens Marcescent phacelia, Persistentflower phacelia

native
Annual herb

Phacelia minor California bluebell, Wild canterbury bells

native
Annual herb

Phacelia mohavensis Mojave phacelia

• rare native
Annual herb

Phacelia monoensis Mono county phacelia, Mono phacelia

• rare native
Annual herb

Phacelia mustelina Death valley round leaved phacelia, Weasel phacelia

• rare native
Annual herb

Phacelia mutabilis Changeable phacelia

native
Perennial herb

Phacelia nashiana Charlotte's phacelia

• rare native
Annual herb

Phacelia neglecta Alkali phacelia

native
Annual herb

Phacelia nemoralis Shade phacelia, Woods phacelia

native
Perennial herb

Phacelia nemoralis var. nemoralis Woods phacelia

native
Perennial herb

Phacelia novenmillensis Nine mile canyon phacelia

• rare native
Annual herb

Phacelia orogenes Mountain phacelia

• rare native
Annual herb

Phacelia pachyphylla Blacktack phacelia, Thick leafed phacelia

native
Annual herb

Phacelia parishii Parish's phacelia

• rare native
Annual herb

Phacelia parryi Parry's phacelia

native
Annual herb

Phacelia pedicellata Pedicellate phacelia, Specter phacelia

native
Annual herb

Phacelia perityloides Panamint phacelia

native
Perennial herb

Phacelia perityloides var. jaegeri Jaeger's panamint phacelia

• rare native
Perennial herb

Phacelia perityloides var. perityloides Panamint phacelia

native
Perennial herb

Phacelia phacelioides Mt. Diablo phacelia

• rare native
Annual herb

Phacelia platyloba Broad lobed phacelia, Broadlobe phacelia

native
Annual herb

Phacelia pringlei Pringle's phacelia

native
Annual herb

Phacelia procera Tall phacelia

native
Perennial herb

Phacelia pulchella var. gooddingii Goodding's phacelia

• rare native
Annual herb

Phacelia purpusii Purpus' phacelia

native
Annual herb

Phacelia quickii Quick's phacelia

native
Annual herb

Phacelia racemosa Racemose phacelia

native
Annual herb

Phacelia ramosissima Branching phacelia

native
Perennial herb

Phacelia rattanii Rattan's phacelia

native
Annual herb

Phacelia rotundifolia Round leafed phacelia, Roundleaf phacelia

native
Annual herb

Phacelia saxicola Rock phacelia, Stonecrop phacelia

native
Annual herb

Phacelia sericea Silky phacelia

native
Perennial herb

Phacelia sericea ssp. sericea Silky phacelia

native
Perennial herb

Phacelia sericea var. sericea Silky phacelia

native
Perennial herb

Phacelia sericea ssp. ciliosa Blue alpine phacelia

• rare native
Perennial herb

Phacelia sericea var. ciliosa Blue alpine phacelia

• rare native
Perennial herb

Phacelia stebbinsii Stebbins' phacelia, Stebbins's phacelia

• rare native
Annual herb

Phacelia stellaris Brand's phacelia, Star phacelia

• rare native
Annual herb

Phacelia suaveolens Sweet scented phacelia, Sweetscented phacelia

native
Annual herb

Phacelia tanacetifolia Lacy phacelia, Tansy leafed phacelia

native
Annual herb

Phacelia thermalis Heat phacelia, Heated phacelia

native
Annual herb

Phacelia vallicola Mariposa phacelia

native
Annual herb

Phacelia vallis-mortae Death valley phacelia

native
Annual herb

Phacelia vallis-mortae var. heliophila Death valley phacelia, Sunloving phacelia

native
Annual herb

Phacelia viscida Sticky phacelia, Tacky phacelia

native
Annual herb

Phacelia viscida var. albiflora Sticky phacelia, White phacelia

native
Annual herb

Phacelia viscida var. viscida Sticky phacelia

native
Annual herb

Phalacroseris bolanderi Bolander's mock dandelion

native
Perennial herb

Phalaris angusta Timothy canarygrass

native
Annual grass

Phalaris aquatica Bulbous canarygrass, Harding grass

• invasive non-native
Perennial grass

Phalaris arundinacea Reed canarygrass

native
Perennial grass

Phalaris brachystachys Short spike canarygrass, Shortspike canarygrass

non-native
Annual grass

Phalaris californica California canarygrass, Canarygrass

native
Perennial grass

Phalaris canariensis Annual canarygrass

non-native
Annual grass

Phalaris lemmonii Lemmon's canarygrass

native
Annual grass

Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass

non-native
Annual grass

Phalaris paradoxa Hood canarygrass

non-native
Annual grass

Phaseolus acutifolius Tepary bean

non-native
Annual herb

Phaseolus filiformis Slender stem bean, Slimjim bean

• rare native
Annual herb

Phaseolus vulgaris Kidney bean

non-native
Annual herb

Orobanche ramosa Yellow broom rape

non-native
Perennial herb (parasitic)

Phelipanche ramosa Yellow broom rape

• invasive non-native
Perennial herb (parasitic)

Philadelphus coronarius Sweet mock orange

non-native
Shrub

Philadelphus lewisii Lewis' mock orange, Mock orange, Wild mock orange

native
Shrub

Philadelphus microphyllus Desert syringa, Little leaf mock orange, Littleleaf mock orange

native
Shrub

Philonotis fontana Philonotis moss

native
Moss

Phleum alpinum Alpine timothy, Mountain timothy, Timothy grass

native
Perennial grass

Phleum pratense Common timothy, Cultivated timothy, Timothy

non-native
Perennial grass

Phlomis fruticosa Shrubby jerusalem sage

non-native
Perennial herb

Phlox adsurgens Northern phlox

native
Perennial herb

Phlox austromontana Southern mountain phlox

native
Perennial herb

Phlox caespitosa Tufted phlox

native
Perennial herb

Phlox condensata Condensed phlox

native
Perennial herb

Phlox covillei Condensed phlox

native
Perennial herb

Phlox diffusa Spreading phlox

native
Perennial herb

Phlox diffusa ssp. longistylis Spreading phlox

native
Perennial herb

Phlox dispersa High sierra phlox

• rare native
Perennial herb

Phlox dolichantha Big bear valley phlox

• rare native
Perennial herb

Phlox douglasii Douglas' phlox

native
Perennial herb

Phlox hirsuta Hairy phlox, Yreka phlox

• rare native
Perennial herb

Phlox hoodii Spiny phlox

native
Perennial herb

Phlox hoodii ssp. canescens Carpet phlox, Gray phlox, Hood's phlox

native
Perennial herb

Phlox hoodii var. canescens Carpet phlox, Gray phlox, Hood's phlox

native
Perennial herb

Phlox longifolia Longleaf phlox

native
Perennial herb

Phlox longifolia ssp. longifolia Longleaf phlox

native
Perennial herb

Phlox hoodii ssp. muscoides Moss phlox

• rare native
Perennial herb

Phlox muscoides Moss phlox

• rare native
Perennial herb

Phlox pulvinata Carpet phlox, Cushion phlox, Pulvinate phlox

native
Perennial herb

Phlox speciosa Showy phlox

native
Perennial herb

Phlox speciosa ssp. occidentalis Showy phlox

native
Perennial herb

Phlox stansburyi Cold desert phlox

native
Perennial herb

Phlox stansburyi ssp. stansburyi Cold-desert phlox

native
Perennial herb

Phlox stansburyi ssp. superba Cold-desert phlox

native
Perennial herb

Phoenicaulis cheiranthoides Common phoenicaulis, Dagger pod, Wallflower phoenicaulis

native
Perennial herb

Phoenix canariensis Canary island date palm

• invasive non-native
Tree

Phoenix dactylifera Date palm

non-native
Tree, Shrub

Phoenix reclinata Senegal date palm

non-native
Tree, Shrub

Pholisma arenarium Desert christmas tree, Desert pholisma, Dune food

native
Perennial herb (parasitic)

LENNOACEAE

Pholisma sonorae Sand food, Sandfood

• rare native
Perennial herb (parasitic)

LENNOACEAE

Pholistoma auritum Blue fiestaflower, Fiesta flower

native
Annual herb

Pholistoma auritum var. arizonicum Arizona fiestaflower, Arizona pholistoma

• rare native
Annual herb

Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower

native
Annual herb

Pholistoma membranaceum White fiesta flower, White fiestaflower

native
Annual herb

Pholistoma racemosum Racemed fiestaflower, San Diego fiesta flower, San Diego fiestaflower

native
Annual herb

Phoradendron bolleanum Bollean mistletoe

native
Shrub (parasitic)

Phoradendron densum Bollean mistletoe

native
Shrub (parasitic)

Phoradendron pauciflorum Bollean mistletoe

native
Shrub (parasitic)

Phoradendron californicum California mesquite mistletoe, Desert mistletoe, Mesquite mistletoe

native
Shrub (parasitic)

Phoradendron juniperinum Juniper mistletoe

native
Shrub (parasitic)

Phoradendron libocedri Juniper mistletoe

native
Shrub (parasitic)

Phoradendron flavescens American mistletoe

native
Shrub (parasitic)

Phoradendron leucarpum American mistletoe

native
Shrub (parasitic)

Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe

native
Shrub (parasitic)

Phoradendron leucarpum ssp. macrophyllum

Phoradendron macrophyllum Big leaf mistletoe

native
Shrub (parasitic)

Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe

native
Shrub (parasitic)

Phoradendron serotinum ssp. macrophyllum

Phoradendron tomentosum Big leaf mistletoe

native
Shrub (parasitic)

Phoradendron leucarpum ssp. tomentosum Mistletoe

native
Shrub (parasitic)

Phoradendron villosum Mistletoe

native
Shrub (parasitic)

Phoradendron villosum ssp. coryae Mistletoe

native
Shrub (parasitic)

Photinia davidsoniae

non-native
Shrub, Tree

Photinia serrulata Taiwanese photinia

non-native
Shrub, Tree

Photinia fraseri Fraser's photinia

non-native
Shrub, Tree

Phragmites australis Common reed

native
Perennial grass

Phryma leptostachya American lopseed

non-native
Perennial herb

Phyla cuneifolia Wedgeleaf

native
Perennial herb

Phyla lanceolata Lance leaf lippia, Lanceleaf fogfruit

native
Perennial herb

Phyla nodiflora Common lippia, Lippia, Turkey tangle frogfruit

native
Perennial herb

Phyllodoce breweri Brewer's mountain heather, Purple mountain heath

native
Shrub

Phyllodoce empetriformis Klamath mountain heather, Pink mountainheath

native
Shrub

Phyllospadix scouleri Scouler's surfgrass, Surf grass

native
Perennial herb

ZOSTERACEAE

Phyllospadix torreyi Surf grass, Torrey's surfgrass

native
Perennial herb

ZOSTERACEAE

Phyllostachys aurea Golden bamboo

non-native
Vine

Nicotiana trigonophylla Sharp leaf ground cherry, Sharpleaf groundcherry

native
Annual herb

Physalis acutifolia Sharp leaf ground cherry, Sharpleaf groundcherry

native
Annual herb

Physalis angulata Cutleaf groundcherry

native
Annual herb

Physalis crassifolia Thick leaved ground cherry, Yellow nightshade ground cherry, Yellow nightshade groundcherry

native
Annual, Perennial herb

Physalis crassifolia var. infundibularis Thick leaved ground cherry, Yellow nightshade ground cherry, Yellow nightshade groundcherry

native
Annual, Perennial herb

Physalis crassifolia var. infundibularis

Physalis hederifolia Ivy leafed tomatillo, Ivy leaved ground cherry, Ivyleaf groundcherry

native
Perennial herb

Physalis hederifolia var. cordifolia Fendler's groundcherry, Fendler's ivy leaf tomatillo

native
Perennial herb

Physalis hederifolia var. fendleri Fendler's groundcherry, Fendler's ivy leaf tomatillo

native
Perennial herb

Physalis hederifolia var. palmeri Palmer's ground cherry, Palmer's groundcherry

native
Perennial herb

Physalis lanceifolia Narrow leaf tomatillo

non-native
Annual herb

Physalis lancifolia Narrow leaf tomatillo

non-native
Annual herb

Physalis lobata Lobed ground cherry

• rare native
Perennial herb

Quincula lobata Lobed ground cherry

• rare native
Perennial herb

Physalis peruviana Peruvian groundcherry

non-native
Perennial herb

Physalis philadelphica Mexican groundcherry, Tomatillo

non-native
Annual herb

Physalis philadelphica var. immaculata Mexican groundcherry

non-native
Annual herb

Physalis pubescens Husk tomato

non-native
Perennial herb

Physalis pubescens var. grisea Gray ground cherry

non-native
Annual herb

Physalis pubescens var. integrifolia Hairy ground cherry, Husk tomato

non-native
Perennial herb

Physalis cinerascens Grape ground cherry

• invasive non-native
Perennial herb

Physalis cinerascens var. cinerascens Grape ground cherry

• invasive non-native
Perennial herb

Physalis viscosa Grape ground cherry

• invasive non-native
Perennial herb

Physaria chambersii Chambers' twinpod, Double bladderpod

• rare native
Perennial herb

Physaria kingii King's bladderpod

native
Perennial herb

Physaria kingii var. latifolia King's bladderpod

native
Perennial herb

Physaria kingii ssp. bernardina San bernardino mountains bladderpod

• rare native
Perennial herb

Physaria kingii ssp. kingii King's bladderpod

native
Perennial herb

Physaria kingii ssp. latifolia Limestone bladderpod

native
Perennial herb

Physaria ludoviciana Silver bladderpod

• rare native
Perennial herb

Physaria occidentalis Western bladderpod

native
Perennial herb

Physaria occidentalis ssp. occidentalis Western bladder pod

native
Perennial herb

Lesquerella tenella Little bladderpod

native
Annual herb

Physaria tenella Little bladderpod

native
Annual herb

Physocarpus alternans Dwarf ninebark, Nevada ninebark

• rare native
Shrub

Physocarpus capitatus Ninebark, Pacific ninebark, Western ninebark

native
Shrub

Phytolacca americana American pokeweed, Pokeberry

• invasive non-native
Perennial herb

Phytolacca americana var. americana American pokeweed

non-native
Perennial herb

Phytolacca heterotepala Mexican pokeweed, Pokeberry

non-native
Perennial herb

Phytolacca icosandra Tropical pokeweed

non-native
Perennial herb

Picea abies Norway spruce

non-native
Tree

Picea breweriana Brewer spruce, Weeping spruce

native
Tree

Picea engelmannii Engelmann spruce

• rare native
Tree

Picea pungens Blue spruce

non-native
Tree

Picea sitchensis Sitka spruce

native
Tree

Pickeringia montana Montana chaparral pea

native
Shrub

Pickeringia montana var. montana Montana chaparral pea

native
Shrub

Pickeringia montana var. tomentosa Montana chaparral pea

• rare native
Shrub

Schkuhria multiflora Many flowered bahia

• rare native
Annual herb

Schkuhria multiflora var. multiflora Many flowered bahia

• rare native
Annual herb

Pieris japonica Japanese pieris

non-native
Shrub

Pilea microphylla Rockweed

non-native
Annual, Perennial herb

Pilostyles thurberi Thurber's pilostyles, Thurber's stemsucker

• rare native
Perennial herb (parasitic)

APODANTHACEAE

Pilularia americana American pillwort

native
Fern

Pinguicula macroceras California butterwort

• rare native
Perennial herb (carnivorous)

Pinguicula macroceras ssp. macroceras California butterwort

• rare native
Perennial herb (carnivorous)

Pinguicula vulgaris ssp. macroceras California butterwort

• rare native
Perennial herb (carnivorous)

Pinus albicaulis Alpine white pine, Dwarf pine, Whitebark pine

native
Tree

Pinus attenuata Knobcone pine, Scrub pine

native
Tree

Pinus balfouriana Foxtail pine

native
Tree

Pinus balfouriana ssp. austrina Balfour pine, Sierra foxtail pine

native
Tree

Pinus balfouriana ssp. balfouriana Klamath foxtail pine

native
Tree

Pinus brutia var. eldarica Afghan pine

non-native
Tree

Pinus canariensis Canary island pine

non-native
Tree

Pinus contorta Beach pine, Lodgepole pine

native
Tree

Pinus contorta ssp. latifolia Beach pine, Lodgepole pine

native
Tree

Pinus contorta ssp. bolanderi Bolander pine, Bolander's beach pine

• rare native
Tree

Pinus contorta var. bolanderi Bolander pine, Bolander's beach pine

• rare native
Tree

Pinus contorta ssp. contorta Shore pine

native
Tree

Pinus contorta ssp. murrayana Lodgepole pine, Tamarack

native
Tree

Pinus contorta var. murrayana Lodgepole pine, Tamarack

native
Tree

Pinus coulteri Big cone pine, Bull pine, Coulter pine

native
Tree

Pinus cembroides Two needle pinyon pine, Twoneedle pinyon

• rare native
Tree

Pinus cembroides var. cembroides Two needle pinyon pine, Twoneedle pinyon

• rare native
Tree

Pinus edulis Two needle pinyon pine, Twoneedle pinyon

• rare native
Tree

Pinus eldarica Afghan pine

non-native
Tree

Pinus elliottii Slash pine

non-native
Tree

Pinus flexilis Limber pine, White pine

native
Tree

Pinus halepensis Aleppo pine

non-native
Tree

Pinus jeffreyi Jeffrey pine

native
Tree

Pinus lambertiana Sugar pine

native
Tree

Pinus aristata Great basin bristlecone pine, Hickory pine

• rare native
Tree

Pinus longaeva Great basin bristlecone pine, Hickory pine

• rare native
Tree

Pinus monophylla Nut pine, Oneneedle pinyon pine, Single leaf pinyon pine

native
Tree

Pinus monophylla ssp. californiarum Nut pine, Oneneedle pinyon pine, Single leaf pinyon pine

native
Tree

Pinus monophylla ssp. fallax Nut pine, Oneneedle pinyon pine, Single leaf pinyon pine

native
Tree

Pinus monophylla var. californiarum Nut pine, Oneneedle pinyon pine, Single leaf pinyon pine

native
Tree

Pinus monticola Mountain pine, Western white pine

native
Tree

Pinus mugo Mugo pine

non-native
Tree

Pinus muricata Bishop pine, Bull pine, Prickle cone pine

native
Tree

Pinus nigra Austrian pine

non-native
Tree

Pinus patula Mexican weeping pine

non-native
Tree

Pinus pinaster Maritime pine

non-native
Tree

Pinus pinea Italian stone pine

non-native
Tree

Pinus ponderosa Ponderosa pine, Western yellow pine

native
Tree

Pinus ponderosa ssp. ponderosa Ponderosa pine, Western yellow pine

native
Tree

Pinus ponderosa var. arizonica Ponderosa pine, Western yellow pine

native
Tree

Pinus ponderosa var. scopulorum Ponderosa pine, Western yellow pine

native
Tree

Pinus ponderosa ssp. benthamiana Pacific ponderosa pine

native
Tree

Pinus ponderosa var. benthamiana Pacific ponderosa pine

native
Tree

Pinus ponderosa var. pacifica Pacific ponderosa pine

native
Tree

Pinus ponderosa var. ponderosa North plateau ponderosa pine

native
Tree

Pinus ponderosa var. washoensis Washoe pine

native
Tree

Pinus quadrifolia Four leaf pine, Fourneedle pinyon pine, Nut pine

native
Tree

Pinus radiata Monterey pine

native
Tree

Pinus sabiniana Bull pine, California foothill pine, Gray pine

native
Tree

Pinus sylvestris Scotch pine

non-native
Tree

Pinus thunbergii Japanese black pine

non-native
Tree

Pinus torreyana Island torrey pine

native
Tree

Pinus torreyana ssp. insularis Santa rosa isl. torrey pine

• rare native
Tree

Pinus torreyana ssp. torreyana Torrey pine

• rare native
Tree

Piperia candida White flowered rein orchid, Whiteflower rein orchid

• rare native
Perennial herb

Piperia colemanii Coleman's piperia

• rare native
Perennial herb

Piperia cooperi Cooper's rein orchid, Coopers rein orchid

• rare native
Perennial herb

Piperia elegans Coast piperia, Elegant piperia, Elegant rein orchid

native
Perennial herb

Piperia elegans ssp. decurtata Elegant piperia

• rare native
Perennial herb

Piperia elegans ssp. elegans Elegant piperia

native
Perennial herb

Piperia elongata Dense flowered rein orchid, Denseflower rein orchid

native
Perennial herb

Piperia leptopetala Rein orchid

• rare native
Perennial herb

Piperia michaelii Michael's piperia, Michael's rein orchid

• rare native
Perennial herb

Piperia transversa Mountain piperia, Royal rein orchid, Flat Spurred Piperia

native
Perennial herb

Piperia unalascensis Alaska piperia, Alaska rein orchid, Rein orchid

native
Perennial herb

Piperia yadonii Yadon's piperia, Yadon's rein orchid

• rare native
Perennial herb

Pisonia brunoniana Australasian catchbirdtree

non-native
Perennial herb

Pisonia umbellifera Umbrella catchbirdtree

non-native
Perennial herb

Pistacia atlantica Mt. atlas mastic tree, Pistachio

• invasive non-native
Tree

Pistacia chinensis Chinese pistache, Chinese pistachio

• invasive non-native
Tree

Pistacia terebinthus Cyprus turpentine

non-native
Tree

Pistacia vera Pistachio nut

non-native
Tree

Pistia stratiotes Water lettuce

non-native
Perennial herb

Pisum sativum Garden pea

non-native
Annual herb

Pisum sativum var. macrocarpon Garden pea

non-native
Annual herb

Pisum sativum var. saccharatum Garden pea

non-native
Annual herb

Pithecellobium dulce Monkeypod

non-native
Perennial herb

Pittosporum crassifolium Stiffleaf cheesewood, Thick leaf box, Thick leaved pittosporum

non-native
Tree, Shrub

Pittosporum tenuifolium Short leaf box, Tawhiwhi

non-native
Tree

Pittosporum tobira Japanese cheesewood, Mock orange

non-native
Tree, Shrub

Pittosporum undulatum Australian cheesewood, Victorian box

• invasive non-native
Tree, Shrub

Pittosporum viridiflorum Cape cheesewood

non-native
Tree, Shrub

Pityopus californicus

• rare native
Perennial herb (mycoparasitic)

Plagiobothrys acanthocarpus Adobe allocarya, Adobe popcornflower

native
Annual herb

Plagiobothrys arizonicus Arizona popcorn flower, Arizona popcornflower

native
Annual herb

Plagiobothrys austiniae Austin's popcornflower, Rebecca austin's allocarya

native
Annual herb

Plagiobothrys bracteatus Bracted allocarya, Bracted popcorn flower, Bracted popcornflower

native
Annual herb

Plagiobothrys canescens Grey popcorn flower, Valley popcorn flower, Valley popcornflower

native
Annual herb

Plagiobothrys canescens var. catalinensis Catalina popcornflower

native
Annual herb

Plagiobothrys canescens var. catalinensis

Plagiobothrys chorisianus var. nickmanii Artist's popcornflower, Choris's popcorn flower, Popcorn flower

native
Annual herb

Plagiobothrys chorisianus var. nickmanii

Plagiobothrys chorisianus var. chorisianus Artist's popcornflower, Choris's popcorn flower

• rare native
Annual herb

Plagiobothrys chorisianus var. chorisianus

Plagiobothrys chorisianus var. hickmanii Hickman's popcorn flower, Hickman's popcornflower

• rare native
Annual herb

Plagiobothrys chorisianus var. hickmanii

Plagiobothrys cognatus Cognate popcorn flower, Popcorn flower, Sleeping popcorn flower

native
Annual herb

Plagiobothrys scouleri Cognate popcorn flower, Popcorn flower, Sleeping popcorn flower

native
Annual herb

Plagiobothrys collinus Cooper's popcornflower

native
Annual herb

Plagiobothrys collinus var. californicus California popcorn flower, Cooper's popcornflower

native
Annual herb

Plagiobothrys collinus var. californicus

Plagiobothrys collinus var. fulvescens California popcornflower, Cooper's popcornflower, Popcorn flower

native
Annual herb

Plagiobothrys collinus var. gracilis Cooper's popcornflower, Graceful popcorn flower

native
Annual herb

Plagiobothrys cusickii Cusick's popcorn flower

native
Annual herb

Plagiobothrys diffusus San francisco popcorn flower

• rare native
Annual herb

Plagiobothrys distantiflorus California popcorn flower, California popcornflower

native
Annual herb

Plagiobothrys fulvus Common popcorn flower, Fulvous popcorn flower, Fulvous popcornflower

native
Annual herb

Plagiobothrys fulvus var. campestris Common popcorn flower, Fulvous popcornflower, Tawny popcorn flower

native
Annual herb

Plagiobothrys glaber Hairless popcorn flower, Hairless popcornflower

• rare native
Annual herb

Plagiobothrys glyptocarpus Sculptured allocarya, Sculptured popcornflower

native
Annual herb

Plagiobothrys glyptocarpus var. glyptocarpus Sculptured allocarya, Sculptured popcornflower

native
Annual herb

Plagiobothrys glyptocarpus var. glyptocarpus

Plagiobothrys greenei Greene's allocarya, Greene's popcornflower

native
Annual herb

Plagiobothrys hispidulus Harsh allocarya, Harsh popcorn flower

native
Annual herb

Plagiobothrys scouleri var. penicillatus Harsh allocarya, Harsh popcorn flower

native
Annual herb

Plagiobothrys scouleri var. penicillatus

Plagiobothrys humistratus Dwarf allocarya, Dwarf popcornflower

native
Annual herb

Plagiobothrys hystriculus Bearded popcorn flower, Bearded popcornflower

• rare native
Annual herb

Plagiobothrys infectivus Dye popcorn flower, Dye popcornflower

native
Annual herb

Plagiobothrys leptocladus Alkali plagiobothrys, Finebranched popcornflower

native
Annual herb

Plagiobothrys lithocaryus Mayacamas popcorn flower, Mayacamas popcornflower

• rare native
Annual herb

Plagiobothrys mollis Downy popcorn flower, Soft popcornflower

native
Perennial herb

Plagiobothrys mollis var. mollis Downy popcorn flower, Soft popcornflower

native
Perennial herb

Plagiobothrys nitens Shiny nutlet popcorn flower

• rare native
Perennial herb

Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower

native
Annual herb

Plagiobothrys parishii Parish's popcorn flower, Parish's popcornflower

• rare native
Annual herb

Plagiobothrys reticulatus Netted popcornflower, Reticulate popcorn flower

native
Annual herb

Plagiobothrys reticulatus var. reticulatus Reticulate popcorn flower

native
Annual herb

Plagiobothrys reticulatus var. reticulatus

Plagiobothrys reticulatus var. rossianorum Fort ross allocarya

native
Annual herb

Plagiobothrys reticulatus var. rossianorum

Plagiobothrys salsus Desert popcorn flower, Salty popcornflower

• rare native
Annual herb

Plagiobothrys scriptus Scribe popcornflower, Scribe's allocarya

native
Annual herb

Plagiobothrys shastensis Shasta popcorn flower, Shasta popcornflower

native
Annual herb

Plagiobothrys stipitatus Stalked popcornflower, Vernal pool allocarya

native
Annual herb

Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya, Stalked popcornflower

native
Annual herb

Plagiobothrys stipitatus var. micranthus

Plagiobothrys stipitatus var. stipitatus Stalked popcornflower, Vernal pool allocarya

native
Annual herb

Plagiobothrys stipitatus var. stipitatus

Plagiobothrys strictus Calistoga popcorn flower, Calistoga popcornflower

• rare native
Annual herb

Plagiobothrys tenellus Pacific popcornflower, Popcorn flower, Slender popcorn flower

native
Annual herb

Plagiobothrys tener Slender allocarya, Slender popcorn flower, Slender popcornflower

native
Annual herb

Plagiobothrys tener var. subglaber Slender popcornflower

native
Annual herb

Plagiobothrys tener var. tener Slender popcornflower

native
Annual herb

Plagiobothrys torreyi Torrey's popcorn flower, Torrey's popcornflower

native
Annual herb

Plagiobothrys torreyi var. diffusus Torrey's popcornflower

native
Annual herb

Plagiobothrys torreyi var. perplexans Chaparral popcornflower

• rare native
Annual herb

Plagiobothrys torreyi var. torreyi Torrey's popcorn flower, Torrey's popcornflower

• rare native
Annual herb

Plagiobothrys trachycarpus Rough fruited allocarya, Roughfruit popcornflower

native
Annual herb

Plagiobothrys uncinatus Hooked popcorn flower, Salinas valley popcornflower

• rare native
Annual herb

Plagiobothrys undulatus Coast allocarya

native
Annual herb

Plagiobothrys myosotoides Forget-me-not popcornflower

• rare native
Annual herb

Plagiobothrys myosotoides ssp. verrucosus Forget-me-not popcornflower

• rare native
Annual herb

Plagiobothrys myosotoides ssp. verrucosus

Planodes virginicum Common rock cress

native
Annual, Perennial herb

Plantago arenaria Indian plantain

non-native
Annual herb

Plantago aristata Bristly plantain, Largebracted plantain

non-native
Annual, Perennial herb

Plantago coronopus Buckhorn plantain, Cut leaf plantain

• invasive non-native
Annual herb

Plantago elongata Annual coast plantago, Coastal plantain, Long leaf plantain

native
Annual herb

Plantago erecta California plantain, Dotseed plantain, Foothill plantain

native
Annual herb

Plantago eriopoda Hairy fruited plantain, Redwool plantain

native
Perennial herb

Plantago altissima English plantain, Narrow leaved plantain, Ribgrass

• invasive non-native
Perennial herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

• invasive non-native
Perennial herb

Plantago lanceolata var. lanceolata English plantain, Narrow leaved plantain, Ribgrass

• invasive non-native
Perennial herb

Plantago major Common plantain

non-native
Perennial herb

Plantago maritima Alkali plantain, Goose tongue, Maritime plantain

native
Perennial herb

Plantago maritima var. juncoides Alkali plantain, Goose tongue, Maritime plantain

native
Perennial herb

Plantago ovata Desert indianwheat, Desert plantain, Woolly plantain

native
Annual herb

Plantago ovata var. fastigiata Desert plantain

native
Annual herb

Plantago ovata var. insularis Desert plantain

native
Annual herb

Plantago patagonica Patagonia plantain, Woolly plantain

native
Annual herb

Plantago purshii Patagonia plantain, Woolly plantain

native
Annual herb

Plantago rhodosperma Redseed plantain, Virginia plantain

native
Annual, Perennial herb

Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain

native
Perennial herb

Plantago truncata ssp. firma Chilean plantain

non-native
Annual herb

Plantago virginica Dwarf plantain, Virginia plantain

non-native
Annual, Perennial herb

Platanthera dilatata Scentbottle

native
Perennial herb

Platanthera dilatata var. dilatata Scentbottle

native
Perennial herb

Platanthera dilatata var. leucostachys Sierra bog orchid, White Flowered Bog-Orchid

native
Perennial herb

Platanthera leucostachys Sierra bog orchid, White Flowered Bog-Orchid

native
Perennial herb

Platanthera huronensis

native
Perennial herb

Platanthera sparsiflora Bog orchid, Sparse flowered bog orchid

native
Perennial herb

Platanthera sparsiflora var. ensifolia Bog orchid, Sparse flowered bog orchid

native
Perennial herb

Habenaria saccata Slender bog orchid

• rare native
Perennial herb

Platanthera stricta Slender bog orchid

• rare native
Perennial herb

Limnorchis hyperborea Green flowered bog orchid

native
Perennial herb

Platanthera aquilonis Green flowered bog orchid

native
Perennial herb

Platanthera hyperborea Green flowered bog orchid

native
Perennial herb

Platanthera hyperborea var. hyperborea Green flowered bog orchid

native
Perennial herb

Platanthera tescamnis Green flowered bog orchid

native
Perennial herb

Platanthera yosemitensis Yosemite bog orchid

• rare native
Perennial herb

Platanus occidentalis American sycamore

non-native
Tree

Platanus orientalis Oriental planetree

non-native
Tree

Platanus racemosa California sycamore, Western sycamore

native
Tree

Platanus Xhispanica London plane tree

non-native
Tree

Platycerium bifurcatum Elkhorn fern

non-native
Fern

Platycladus orientalis Oriental arborvitae

non-native
Tree

Platystemon californicus Cream cups, Creamcups

native
Annual herb

Plecostachys serpyllifolia Petite-licorice

• invasive non-native

Plectritis ciliosa Long spurred plectritis, Longspur seablush

native
Annual herb

Plectritis congesta Sea blush, Shortspur seablush

native
Annual herb

Plectritis brachystemon Shortspur seablush

native
Annual herb

Plectritis congesta ssp. brachystemon Shortspur seablush

native
Annual herb

Plectritis congesta ssp. congesta Sea blush

native
Annual herb

Plectritis macrocera Long horn plectritis, Longhorn plectritis, White plectritis

native
Annual herb

Pleiacanthus spinosus Thorn skeletonweed

native
Perennial herb

Stephanomeria spinosa Thorn skeletonweed

native
Perennial herb

Pleuraphis mutica Tobosagrass

native
Perennial grass

Pleuricospora fimbriolata Fringed pinesap

native
Perennial herb (mycoparasitic)

Pleuridium acuminatum Acuminate pleuridium moss

native
Moss

DITRICHACEAE

Pleuridium mexicanum Mexican pleuridium moss

• rare native
Moss

DITRICHACEAE

Pleuridium subulatum Pleuridium moss

native
Moss

DITRICHACEAE

Pleurocoronis pluriseta Arrow leaf, Bush arrowleaf

native
Shrub

Pleuropogon californicus Annual semaphoregrass, Semaphore grass

native
Perennial grass (rhizomatous)

Pleuropogon californicus var. californicus Annual semaphoregrass

native
Perennial grass (rhizomatous)

Pleuropogon californicus var. californicus

Pleuropogon californicus var. davyi Davy's semaphore grass

• rare native
Perennial grass (rhizomatous)

Pleuropogon hooverianus North coast semaphore grass, North coast semaphoregrass

• rare native
Perennial grass (rhizomatous)

Pleuropogon refractus Nodding semaphore grass, Nodding semaphoregrass

• rare native
Perennial grass (rhizomatous)

Pluchea odorata Salt marsh fleabane, Sweetscent

native
Annual, Perennial herb

Pluchea odorata var. odorata Salt marsh fleabane

native
Annual, Perennial herb

Pluchea sericea Arrow wed, Arrow weed, Arrowweed

native
Shrub

Plumbago auriculata Cape leadwort

non-native
Perennial herb

Plumbago capensis Cape leadwort

non-native
Perennial herb

Poa annua Annual blue grass, Annual bluegrass

non-native
Annual grass

Poa atropurpurea San bernardino blue grass, San bernardino bluegrass

• rare native
Perennial grass (rhizomatous)

Poa bigelovii Bigelow's blue grass, Bigelow's bluegrass

native
Annual grass

Poa bolanderi Bolander's blue grass, Bolander's bluegrass

native
Annual grass

Poa bulbosa Bulbous blue grass, Bulbous bluegrass

non-native
Perennial grass

Poa bulbosa ssp. vivipara Bulbous blue grass

non-native
Perennial grass

Poa compressa Canada blue grass, Canada bluegrass

non-native
Perennial grass

Poa confinis Beach blue grass, Coastline bluegrass

native
Perennial grass

Poa cusickii Cusick's bluegrass

native
Perennial grass

Poa cusickii var. cusickii Cusick's blue grass

native
Perennial grass

Poa cusickii ssp. epilis Cusick's bluegrass, Skyline blue grass, Skyline bluegrass

native
Perennial grass

Poa cusickii ssp. pallida Cusick's bluegrass, Skyline blue grass

native
Perennial grass

Poa douglasii Douglas bluegrass, Douglas' bluegrass, Maritime bluegrass

native
Perennial grass

Poa fendleriana Muttongrass

native
Perennial grass

Poa fendleriana ssp. longiligula Fendler's blue grass, Muttongrass

native
Perennial grass

Poa glauca ssp. rupicola Timberline blue grass, Timberline bluegrass

native
Perennial grass

Poa howellii Howell's blue grass, Howell's bluegrass

native
Annual grass

Poa keckii Keck's blue grass, Keck's bluegrass

native
Perennial grass

Poa leptocoma Marsh bluegrass

native
Perennial grass

Poa leptocoma ssp. leptocoma Bog blue grass

native
Perennial grass

Poa lettermanii Letterman's blue grass, Letterman's bluegrass

• rare native
Perennial grass

Poa macrantha Large flowered sand dune blue grass, Seashore bluegrass

native
Perennial grass

Poa napensis Napa blue grass, Napa bluegrass

• rare native
Perennial grass

Poa palustris Fowl blue grass, Fowl bluegrass

non-native
Perennial grass

Poa piperi Piper's blue grass, Piper's bluegrass

• rare native
Perennial grass (rhizomatous)

Poa pratensis Kentucky blue grass, Kentucky bluegrass

• invasive non-native
Perennial grass

Poa pratensis ssp. agassizensis Kentucky blue grass, Kentucky bluegrass

• invasive non-native
Perennial grass

Poa pringlei Pringle's blue grass, Pringle's bluegrass

native
Perennial grass

Poa secunda One sided blue grass, Pine bluegrass, Sandberg bluegrass

native
Perennial grass

Poa secunda ssp. juncifolia Rush blue grass

native
Perennial grass

Poa scabrella One sided blue grass, Pine bluegrass, Sandberg's bluegrass

native
Perennial grass

Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass

native
Perennial grass

Poa sierrae Sierra blue grass, Sierra bluegrass

• rare native
Perennial grass

Poa stebbinsii Stebbin's bluegrass, Stebbins' blue grass

native
Perennial grass

Poa trivialis Rough blue grass, Rough bluegrass

non-native
Perennial grass

Poa unilateralis Ocean bluff blue grass, San francisco bluegrass

native
Perennial grass

Poa unilateralis ssp. unilateralis San francisco bluegrass

native
Perennial grass

Poa wheeleri Hooker's bluegrass, Wheeler's blue grass, Wheeler's bluegrass

native
Perennial grass

Podistera nevadensis Nevada podistera, Sierra podistera

• rare native
Perennial herb

Podocarpus macrophyllus Yew plum pine

non-native
Shrub

PODOCARPACEAE

Pogogyne abramsii Howell pogogyne, San diego mesa mint, San diego mesamint

• rare native
Annual herb

Pogogyne clareana Clare's pogogyne, Santa lucia mint

• rare native
Annual herb

Pogogyne douglasii Douglas' mesamint, Douglas' pogogyne

native
Annual herb

Pogogyne douglasii ssp. parviflora Douglas' mesamint, Douglas's pogogyne

native
Annual herb

Pogogyne floribunda Profuse flowered pogogyne, Profuseflower mesamint

• rare native
Annual herb

Pogogyne nudiuscula Otay mesa mint, Otay mesamint, San diego pogogyne

• rare native
Annual herb

Pogogyne serpylloides Thyme leaf mesa mint, Thymeleaf mesamint

native
Annual herb

Pogogyne zizyphoroides Sacramento mesamint, Sacramento mint, Sacramento pogogyne

native
Annual herb

Pohlia tundrae Tundra pohlia moss

• rare native
Moss

BRYACEAE

Polanisia dodecandra ssp. dodecandra Redwhisker clammyweed

native
Annual herb

Polanisia dodecandra ssp. trachysperma Clammy weed, Sandyseed clammyweed

native
Annual herb

Polemonium californicum California polemonium, California sky pilot, Jacob's ladder

native
Perennial herb

Polemonium carneum Great polemonium, Royal jacob's ladder, Royal sky pilot

• rare native
Perennial herb

Polemonium chartaceum Mason's jacob's ladder, Mason's sky pilot

• rare native
Perennial herb

Polemonium eddyense Mt. Eddy sky pilot

• rare native
Perennial herb

Polemonium eximium Showy sky pilot, Skypilot

native
Perennial herb

Polemonium micranthum Annual polemonium, Annual sky pilot, Small jacob's ladder

native
Annual herb

Polemonium caeruleum Great polemonium, Western polemonium, Western sky pilot

native
Perennial herb

Polemonium occidentale Great polemonium, Western polemonium, Western sky pilot

native
Perennial herb

Polemonium occidentale ssp. occidentale Great polemonium, Western polemonium, Western sky pilot

native
Perennial herb

Polemonium pulcherrimum Jacob's ladder, Sky pilot

native
Perennial herb

Polemonium pulcherrimum ssp. delicatum Jacob's ladder, Sky pilot

native
Perennial herb

Polemonium pulcherrimum var. pilosum White flowered polemonium, White flowered sky pilot

native
Perennial herb

Polemonium pulcherrimum ssp. pulcherrimum Sky pilot

native
Perennial herb

Polemonium pulcherrimum ssp. pulcherrimum

Polemonium pulcherrimum var. pulcherrimum Sky pilot

native
Perennial herb

Polemonium pulcherrimum var. pulcherrimum

Polemonium pulcherrimum var. shastense Mt. shasta sky pilot

• rare native
Perennial herb

Polemonium viscosum Sticky polemonium

non-native
Perennial herb

Polianthes tuberosa Tuberose

non-native
Shrub

Polycarpon depressum California allseed, California manyseed, California polycarpon

native
Annual herb

Polycarpon tetraphyllum Four leaved all seed, Four leaved allseed, Four leaved polycarp

non-native
Annual herb

Polycarpon tetraphyllum var. tetraphyllum Four leaved allseed

non-native
Annual herb

Polycarpon tetraphyllum var. tetraphyllum

Polyctenium fremontii Desert combleaf, Fremont's polyctenium

native
Perennial herb

Polyctenium williamsiae Williams's combleaf

• rare native
Perennial herb

Polygala acanthoclada Desert milkwort, Desert polygala, Milkwort

• rare native
Shrub

Polygala cornuta var. fishiae Fish's milkwort, Sierra milkwort

• rare native
Shrub

Polygala heterorhyncha Beaked spiny polygala, Notch beaked milkwort

• rare native
Perennial herb

Polygala intermontana Great basin milkwort, Intermountain milkwort

• rare native
Perennial herb, Shrub

Polygala myrtifolia Myrtle leaf milkwort

• invasive non-native
Shrub

Polygala subspinosa Spiny milkwort

• rare native
Perennial herb

Polygonum argyrocoleon Persian knotweed, Silver sheath knotweed, Silversheath knotweed

non-native
Annual herb

Polygonum aviculare Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum arenastrum Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum aviculare ssp. depressum Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum patulum Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum aviculare ssp. rurivagum Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum bidwelliae Bidwell's knotweed

• rare native
Annual herb

Polygonum bistorta Meadow bistort

non-native
Annual, Perennial herb

Polygonum bolanderi Bolander's knotweed, Bolander's polygonum

native
Perennial herb

Polygonum californicum California knotweed

native
Annual herb

Polygonum douglasii Douglas' knotweed

native
Annual herb

Polygonum douglasii ssp. douglasii Douglas' knotweed

native
Annual herb

Polygonum fowleri Fowler's knotweed

native
Annual herb

Polygonum hickmanii Hickman's knotweed

• rare native
Annual herb

Polygonum majus Large douglas' knotweed

native
Annual herb

Polygonum marinense Marin knotweed

• rare native
Annual herb

Polygonum minimum Broadleaf knotweed, Leafy dwarf knotweed, Little mountain knotweed

native
Annual herb

Polygonum multiflorum Tuber fleeceflower

non-native
Vine

Polygonum paronychia Beach knotweed, Dune knotweed

native
Perennial herb

Polygonum parryi Parry's knotweed

native
Annual herb

Polygonum polygaloides Milkwort knotweed

native
Annual herb

Polygonum polygaloides ssp. confertiflorum Dense knotweed, Fruitleaf knotweed

native
Annual herb

Polygonum polygaloides ssp. confertiflorum

Polygonum polygaloides ssp. esotericum Modoc county knotweed, Whitemargin knotweed

• rare native
Annual herb

Polygonum polygaloides ssp. kelloggii Kellogg's knotweed

native
Annual herb

Polygonum ramosissimum Bushy knotweed, Yellow knotweed

non-native
Annual herb

Polygonum sawatchense ssp. oblivium Knotweed

native
Annual, Perennial herb

Polygonum douglasii ssp. johnstonii Knotweed

native
Annual, Perennial herb

Polygonum sawatchense ssp. sawatchense Knotweed

native
Annual, Perennial herb

Polygonum shastense Shasta knotweed

native
Perennial herb

Polygonum spergulariiforme Spurry knotweed

native
Annual herb

Polypodium australe

non-native
Fern

Polypodium californicum California polypody

native
Fern

Polypodium calirhiza Acrid fern, Licorice fern, Nested polypody

native
Fern

Polypodium glycyrrhiza Licorice fern

native
Fern

Polypodium hesperium Western polypody

native
Fern

Polypodium scouleri Leather fern, Leather leaf fern, Leathery polypody

native
Fern

Polypogon australis Chilean beard grass, Chilean rabbitsfoot grass

non-native
Perennial grass

Polypogon imberbis Streambank rabbits foot grass

non-native
Annual, Perennial grass

Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass

non-native
Perennial grass

Polypogon maritimus Mediterranean beard grass, Mediterranean rabbitsfoot grass

non-native
Annual grass

Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass

• invasive non-native
Annual grass

Polypogon viridis Water beard grass

non-native
Perennial grass

Polystichum californicum California sword fern, California swordfern

native
Fern

Polystichum dudleyi Dudley's sword fern, Dudley's swordfern

native
Fern

Polystichum imbricans Cliff sword fern, Narrow leaved sword fern, Narrowleaf swordfern

native
Fern

Polystichum imbricans ssp. curtum Cliff sword fern, Narrowleaf swordfern

native
Fern

Polystichum imbricans ssp. imbricans Narrowleaf swordfern, Rock sword fern

native
Fern

Polystichum kruckebergii Kruckeberg's hollyfern, Kruckeberg's sword fern

• rare native
Fern (rhizomatous)

Polystichum lemmonii Lemmon's hollyfern, Lemmon's sword fern

native
Fern

Polystichum lonchitis Holly fern, Northern hollyfern

• rare native
Fern (rhizomatous)

Polystichum munitum Western sword fern, Western swordfern

native
Fern

Polystichum scopulinum Mountain holly fern, Mountain hollyfern

native
Fern

Poncirus trifoliata Hardy orange

non-native
Shrub, Tree

Pontederia cordata Pickerelweed

non-native
Perennial herb

Populus alba Silver poplar, White poplar

non-native
Tree

Populus angustifolia Narrow leaved cottonwood, Narrowleaf cottonwood

• rare native
Tree

Populus fremontii Fremont cottonwood

native
Tree

Populus fremontii ssp. mesetae Fremont cottonwood

native
Tree

Populus deltoides Fremont cottonwood

native
Tree

Populus deltoides ssp. monilifera Fremont cottonwood

native
Tree

Populus fremontii ssp. fremontii Fremont cottonwood

native
Tree

Populus nigra Lombardy poplar

non-native
Tree

Populus tremuloides Quaking aspen

native
Tree

Populus trichocarpa Black cottonwood

native
Tree

Populus Xcanadensis Carolina poplar

non-native
Tree

Porophyllum gracile Odora, Slender poreleaf

native
Perennial herb

Porophyllum ruderale Yerba porosa

non-native
Annual herb

Porophyllum ruderale var. macrocephalum Yerba porosa

non-native
Annual herb

Porophyllum scoparium Trans-pecos poreleaf

non-native
Annual herb

Porterella carnosula Fleshy porterella, Porterella

native
Annual herb

Portulaca grandiflora Rose moss

non-native
Annual herb

Portulaca halimoides Desert portulaca, Purslane, Silkcotton purslane

• rare native
Annual herb

Portulaca pilosa Desert portulaca, Purslane, Silkcotton purslane

• rare native
Annual herb

Portulaca oleracea Common purslane, Little hogweed, Purslane

non-native
Annual herb

Portulaca oleracea ssp. impolita Common purslane, Little hogweed, Purslane

non-native
Annual herb

Potamogeton amplifolius Broad leaved pondweed, Large leaved pondweed, Largeleaf pondweed

native
Perennial herb (aquatic)

Potamogeton crispus Crispate leaved pondweed, Curly pondweed, Cut leaved pondweed

• invasive non-native
Perennial herb (aquatic)

Potamogeton diversifolius Diverse leaved pondweed, Rafinesque's pondweed, Waterthread pondweed

native
Perennial herb (aquatic)

Potamogeton epihydrus Ribbonleaf pondweed

• rare native
Perennial herb (rhizomatous)

Potamogeton foliosus ssp. foliosus Leafy pondweed

native
Perennial herb (aquatic)

Potamogeton illinoensis Illinois pondweed, Pondweed, Shining pondweed

native
Perennial herb (aquatic)

Potamogeton natans Floating leaved pondweed, Floating pondweed

native
Perennial herb (aquatic)

Potamogeton nodosus Long leaved pondweed, Longleaf pondweed, Pondweed

native
Perennial herb (aquatic)

Potamogeton praelongus White stemmed pondweed, Whitestem pondweed

• rare native
Perennial herb (rhizomatous)

Potamogeton pusillus Small pondweed

native
Perennial herb (aquatic)

Potamogeton robbinsii Robbins' pondweed, Robbins's pondweed

• rare native
Perennial herb (rhizomatous)

Potentilla anglica English cinquefoil

non-native
Perennial herb

Argentina anserina Silver weed cinquefoil, Silverweed

native
Perennial herb

Potentilla anserina Silver weed cinquefoil, Silverweed

native
Perennial herb

Potentilla anserina ssp. anserina Silver weed cinquefoil

native
Perennial herb

Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed

native
Perennial herb

Potentilla egedii Pacific potentilla, Silverweed

native
Perennial herb

Potentilla basaltica Black rock potentilla, Soldier meadows cinquefoil

• rare native
Perennial herb

Potentilla biennis Biennial cinquefoil

native
Perennial herb

Potentilla breweri Brewer's cinquefoil

native
Perennial herb

Potentilla drummondii ssp. breweri Brewer's cinquefoil

native
Perennial herb

Potentilla bruceae Bruce's cinquefoil

native
Perennial herb

Potentilla drummondii ssp. bruceae Bruce's cinquefoil

native
Perennial herb

Potentilla cristae Crested cinquefoil, Crested potentilla

• rare native
Perennial herb

Potentilla drummondii Drummond's cinquefoil

native
Perennial herb

Potentilla drummondii ssp. drummondii Drummond's cinquefoil

native
Perennial herb

Potentilla flabellifolia Fan leaved cinquefoil, High mountain cinquefoil

native
Perennial herb

Potentilla diversifolia var. diversifolia Blueleaf cinquefoil

native
Perennial herb

Potentilla diversifolia var. diversifolia

Potentilla glaucophylla var. glaucophylla Blueleaf cinquefoil

native
Perennial herb

Potentilla glaucophylla var. glaucophylla

Potentilla gracilis Northwest cinquefoil, Slender cinquefoil

native
Perennial herb

Potentilla gracilis var. brunnescens Northwest cinquefoil, Slender cinquefoil

native
Perennial herb

Potentilla gracilis var. elmeri Elmer's cinquefoil

native
Perennial herb

Potentilla pectinisecta Elmer's cinquefoil

native
Perennial herb

Potentilla gracilis var. fastigiata Slender cinquefoil

native
Perennial herb

Potentilla gracilis var. flabelliformis Cupform leaf cinquefoil, Slender cinquefoil

native
Perennial herb

Potentilla gracilis var. gracilis Graceful cinquefoil, Slender cinquefoil

native
Perennial herb

Potentilla grayi Gray's cinquefoil

native
Perennial herb

Potentilla hickmanii Hickman's cinquefoil

• rare native
Perennial herb

Potentilla jepsonii Jepson's cinquefoil

native
Perennial herb

Potentilla millefolia Cut leaf cinquefoil, Cut leaved cinquefoil, Cutleaf cinquefoil

native
Perennial herb

Potentilla millefolia var. klamathensis Cut leaf cinquefoil, Klamath cinquefoil

native
Perennial herb

Potentilla morefieldii Morefield's cinquefoil

• rare native
Perennial herb

Potentilla newberryi Newberry's cinquefoil

• rare native
Perennial herb

Potentilla norvegica Norwegian cinquefoil

non-native
Annual, Perennial herb

Potentilla pensylvanica Pennsylvania cinquefoil

native
Perennial herb

Potentilla pensylvanica var. strigosa Pennsylvania cinquefoil

native
Perennial herb

Potentilla pseudosericea Pennsylvania cinquefoil

native
Perennial herb

Potentilla pulcherrima Beautiful cinquefoil

• rare native
Perennial herb

Potentilla recta Sulphur cinquefoil

non-native
Perennial herb

Potentilla reptans Creeping cinquefoil

non-native
Perennial herb

Potentilla rimicola Cliff cinquefoil

• rare native
Perennial herb

Potentilla rimicola var. rimicola Cliff cinquefoil

• rare native
Perennial herb

Potentilla rivalis Brook cinquefoil

native
Annual, Perennial herb

Potentilla wheeleri Kern cinquefoil, Wheeler's cinquefoil

native
Perennial herb

Poteridium annuum Western burnet

native
Annual, Perennial herb

Poterium sanguisorba Garden burnet

non-native
Perennial herb

Sanguisorba minor Garden burnet

non-native
Perennial herb

Sanguisorba minor ssp. muricata Garden burnet

non-native
Perennial herb

Prenanthella exigua Bright white, Brightwhite, Thorny skeleton plant

native
Annual herb

Prenanthes altissima Tall rattlesnakeroot

non-native
Perennial herb

Dodecatheon clevelandii var. gracilis Padre's shooting star

native
Perennial herb

Primula clevelandii Padre's shooting star

native
Perennial herb

Primula clevelandii ssp. patulum Padre's shooting star

native
Perennial herb

Dodecatheon clevelandii ssp. clevelandii Cleveland's shooting star

native
Perennial herb

Dodecatheon clevelandii ssp. clevelandii

Primula clevelandii var. clevelandii Cleveland's shooting star

native
Perennial herb

Primula clevelandii var. gracilis Padre's shooting star

native
Perennial herb

Primula clevelandii var. insularis Padre's shooting star

native
Perennial herb

Dodecatheon clevelandii ssp. patulum Padre's shooting star

native
Perennial herb

Dodecatheon clevelandii var. patulum Padre's shooting star

native
Perennial herb

Primula clevelandii var. patula Padre's shooting star

native
Perennial herb

Dodecatheon conjugens Bonneville shooting star

native
Perennial herb

Primula conjugens Bonneville shooting star

native
Perennial herb

Primula conjugens var. conjugens Bonneville shooting star

native
Perennial herb

Primula conjugens var. viscida Bonneville shooting star

native
Perennial herb

Dodecatheon redolens Scented shooting star

native
Perennial herb

Primula fragrans Scented shooting star

native
Perennial herb

Dodecatheon hendersonii Mosquito bill

native
Perennial herb

Dodecatheon hendersonii var. parvulum Mosquito bill

native
Perennial herb

Primula hendersonii Mosquito bill

native
Perennial herb

Dodecatheon jeffreyi Sierra shooting star

native
Perennial herb

Primula jeffreyi Sierra shooting star

native
Perennial herb

Dodecatheon pulchellum Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Dodecatheon pulchellum ssp. pulchellum Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Dodecatheon pulchellum ssp. red Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Dodecatheon pulchellum var. pulchellem Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Dodecatheon pulchellum var. pulchellum Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Dodecatheon pulchellum var. shoshonense Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Primula pauciflora Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Primula pauciflora var. pauciflora Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Dodecatheon subalpinum Sierra shooting star

native
Perennial herb

Primula suffrutescens Sierra primrose, Sierran primrose

native
Perennial herb

Dodecatheon alpinum Alpine shooting star

native
Perennial herb

Dodecatheon alpinum ssp. majus Alpine shooting star

native
Perennial herb

Primula tetrandra Alpine shooting star

native
Perennial herb

Primula veris Cowslip primrose

non-native
Perennial herb

Proboscidea althaeifolia Desert devil's claw, Desert unicorn plant

• rare native
Perennial herb

Proboscidea louisianica Ram's horn

non-native
Annual herb

Proboscidea louisianica ssp. louisianica Common devil's claw, Ram's horn

non-native
Annual herb

Proboscidea louisianica ssp. louisianica

Proboscidea lutea Yellow devil's claw

non-native
Annual herb

Proboscidea parviflora Doubleclaw

native
Annual herb

Disporum hookeri Drops of gold

native
Perennial herb

Prosartes hookeri Drops of gold

native
Perennial herb

Prosartes hookeri var. oregana Drops of gold

native
Perennial herb

Prosartes parvifolia Siskiyou bells

• rare native
Perennial herb

Disporum smithii Largeflower fairybells

native
Perennial herb

Prosartes smithii Largeflower fairybells

native
Perennial herb

Prosopis chilensis Algarrobo

non-native
Tree, Shrub

Prosopis glandulosa Honey mesquite

native
Tree, Shrub

Prosopis glandulosa var. glandulosa Honey mesquite

native
Tree, Shrub

Prosopis articulata Velvet mesquite

non-native
Tree, Shrub

Prosopis juliflora Velvet mesquite

non-native
Tree, Shrub

Prosopis juliflora var. glandulosa Velvet mesquite

non-native
Tree, Shrub

Prunella vulgaris Common selfheal, Self heal, Selfheal

native
Perennial herb

Prunella vulgaris ssp. lanceolata Lance leaf self heal, Mountain selfheal

native
Perennial herb

Prunella vulgaris var. lanceolata Lance leaf self heal, Mountain selfheal

native
Perennial herb

Prunella vulgaris var. vulgaris Self heal

non-native
Perennial herb

Prunus americana American plum

non-native
Tree

Prunus andersonii Desert peach

native
Tree, Shrub

Prunus angustifolia Chickasaw plum

native
Tree

Prunus armeniaca Apricot

non-native
Tree

Prunus avium Sweet cherry

non-native
Tree

Prunus caroliniana Carolina laurelcherry

non-native
Tree

Prunus cerasifera Cherry plum

• invasive non-native
Tree

Prunus cerasifera var. pissardii Cherry plum

• invasive non-native
Tree

Prunus domestica European plum

non-native
Tree

Prunus dulcis Domestic almond, Sweet almond

non-native
Tree

Prunus dulcis var. dulcis Domestic almond, Sweet almond

non-native
Tree

Prunus emarginata Bitter cherry

native
Tree, Shrub

Prunus eremophila Desert plum

• rare native
Shrub

Prunus fasciculata Desert almond, Desert range almond

native
Shrub

Prunus fasciculata var. fasciculata Desert almond

native
Shrub

Prunus fasciculata var. punctata Desert almond, Sand almond

• rare native
Shrub

Prunus fremontii Desert apricot

native
Tree, Shrub

Prunus ilicifolia Holly leaf cherry, Holly leaved cherry, Hollyleaf cherry

native
Tree, Shrub

Prunus ilicifolia ssp. ilicifolia Holly leaf cherry, Hollyleaf cherry

native
Tree, Shrub

Prunus ilicifolia ssp. lyonii Catalina cherry, Hollyleaf cherry, Island cherry

native
Tree

Prunus laurocerasus Cherry laurel

non-native
Tree, Shrub

Prunus lusitanica Portugal laurel

non-native
Tree

Prunus lusitanica var. azorica Portugal laurel

non-native
Tree

Prunus mahaleb Mahaleb cherry, St Lucie's Cherry

non-native
Tree

Prunus pensylvanica Pin cherry

non-native
Tree, Shrub

Prunus persica Peach

non-native
Tree

Prunus persica var. nucipersica Peach

non-native
Tree

Prunus persica var. platycarpa Peach

non-native
Tree

Prunus serotina Black cherry

non-native
Tree, Shrub

Prunus serrulata Japanese flowering cherry

non-native
Tree

Prunus subcordata Klamath plum, Sierra plum

native
Tree, Shrub

Prunus tomentosa Nanking cherry

non-native
Tree

Prunus triloba Flowering plum

non-native
Tree

Prunus virginiana Chokecherry

native
Tree, Shrub

Prunus virginiana var. virginiana Chokecherry

native
Tree, Shrub

Prunus virginiana var. demissa Chokecherry, Western choke cherry, Western chokecherry

native
Tree, Shrub

Prunus virginiana var. melanocarpa Chokecherry, Western choke cherry, Western chokecherry

native
Tree, Shrub

Psathyrotes annua Annual psathyrotes

native
Annual herb

Psathyrotes ramosissima Velvet rosette, Velvet turtleback

native
Annual, Perennial herb

Pseudobahia bahiifolia Hartweg's golden sunburst

• rare native
Annual herb

Pseudobahia heermannii Foothill sunburst, Heermann's golden sunburst

native
Annual herb

Pseudobahia peirsonii San joaquin adobe sunburst

• rare native
Annual herb

Pseudobraunia californica California pseudobraunia moss

native
Moss

HEDWIGIACEAE

Pseudognaphalium beneolens Cudweed

native
Perennial herb

Pseudognaphalium biolettii Two-color rabbit-tobacco

native
Perennial herb

Gnaphalium californicum Ladies' tobacco

native
Annual, Perennial herb

Pseudognaphalium californicum Ladies' tobacco

native
Annual, Perennial herb

Pseudognaphalium canescens Wright's cudweed

native
Perennial herb

Pseudognaphalium leucocephalum White cudweed, White rabbit tobacco

• rare native
Perennial herb

Gnaphalium luteo-album Jersey cudweed

non-native
Annual herb

Pseudognaphalium luteoalbum Jersey cudweed

non-native
Annual herb

Pseudognaphalium macounii Macoun's everlasting

native
Annual, Perennial herb

Pseudognaphalium viscosum Macoun's everlasting

native
Annual, Perennial herb

Pseudognaphalium microcephalum Wright's cudweed

native
Perennial herb

Pseudognaphalium ramosissimum Pink cudweed

native
Annual, Biennial herb

Gnaphalium stramineum Cottonbatting plant

native
Perennial herb

Pseudognaphalium stramineum Cottonbatting plant

native
Perennial herb

Gnaphalium thermale Small headed cudweed

native
Perennial herb

Pseudognaphalium thermale Small headed cudweed

native
Perennial herb

Antirrhinum cyathiferum Deep canyon snapdragon

• rare native
Annual herb

Pseudorontium cyathiferum Deep canyon snapdragon

• rare native
Annual herb

Pseudostellaria sierrae Sierra starwort

• rare native
Perennial herb (rhizomatous)

Pseudotrillium rivale Siskiyou wakerobin

native
Perennial herb

Trillium rivale Siskiyou wakerobin

native
Perennial herb

Pseudotsuga macrocarpa Bigcone douglas fir, Bigcone spruce

native
Tree

Pseudotsuga menziesii Douglas fir

native
Tree

Pseudotsuga menziesii ssp. glauca Douglas fir

native
Tree

Pseudotsuga menziesii var. glauca Douglas fir

native
Tree

Pseudotsuga menziesii var. menziesii Douglas fir, Douglas spruce, False hemlock

native
Tree

Psidium cattleianum Strawberry guava

non-native
Tree, Shrub

Psidium guajava Guava

non-native
Tree, Shrub

Psilocarphus brevissimus Short woollyheads, Woolly marbles

native
Annual herb

Psilocarphus brevissimus var. brevissimus Short woollyheads, Woolly heads, Woolly marbles

native
Annual herb

Psilocarphus brevissimus var. brevissimus

Psilocarphus chilensis Round woolly marbles

native
Annual herb

Psilocarphus elatior Meadow woollyheads, Tall woolly marbles

• rare native
Annual herb

Psilocarphus oregonus Oregon woolly marbles, Oregon woollyheads, Woolly marbles

native
Annual herb

Psilocarphus tenellus Slender woolly marbles, Slender woollyheads

native
Annual herb

Psilocarphus tenellus var. tenellus Slender woolly marbles, Slender woollyheads

native
Annual herb

Psilostrophe cooperi Cooper's paper daisy, Paper flower, Paperflower

native
Shrub

Psilotum nudum Whisk fern

non-native
Perennial herb

PSILOTACEAE

Psorothamnus arborescens California dalea, Mojave indigo bush, Mojave indigobush

native
Shrub

Psorothamnus arborescens var. arborescens Mojave indigo bush, Mojave indigobush

• rare native
Shrub

Psorothamnus arborescens var. arborescens

Psorothamnus arborescens var. minutifolius Johnson's indigobush, Little leaved mojave indigo bush

native
Shrub

Psorothamnus arborescens var. minutifolius

Psorothamnus arborescens var. simplicifolius California indigo bush, California indigobush

native
Shrub

Psorothamnus arborescens var. simplicifolius

Psorothamnus emoryi Dyebush, Emory dalea, Emory indigobush

native
Shrub

Psorothamnus fremontii Fremont indigobush, Fremont's dalea, Fremont's indigo bush

native
Shrub

Psorothamnus fremontii var. attenuatus Fremont's dalea, Fremont's indigo bush

• rare native
Shrub

Psorothamnus fremontii var. fremontii Fremont's dalea, Fremont's indigo bush

native
Shrub

Psorothamnus polydenius Dotted dalea, Nevada dalea, Nevada indigo bush

native
Shrub

Psorothamnus schottii Indigo bush, Schott indigobush, Schott's dalea

native
Shrub

Psorothamnus spinosus Smoke tree, Smoketree

native
Tree, Shrub

Ptelea crenulata California hoptree, Hop tree, Western hoptree

native
Tree, Shrub

Pteridium aquilinum Western brackenfern

native
Fern

Pteridium aquilinum var. decompositum Western brackenfern

native
Fern

Pteridium aquilinum var. latiusculum Western brackenfern

native
Fern

Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern

native
Fern

Pteris cretica Cretan brake

non-native
Fern

Pterocarya stenoptera Chinese wingnut

non-native

Pterospora andromedea Pine drops, Pine drops, Woodland pinedrops

native
Perennial herb (parasitic)

Pterostegia drymarioides Fairy mist, Woodland threadstem

native
Annual herb

Ptilidium californicum Pacific fuzz wort

• rare native
Liverwort

PTILIDIACEAE

Puccinellia distans European alkali grass, Weeping alkaligrass

non-native
Perennial grass

Puccinellia howellii Howell's alkali grass, Howell's alkaligrass

• rare native
Perennial grass

Puccinellia lemmonii Lemmon's alkali grass, Lemmon's alkaligrass

native
Perennial grass

Puccinellia nutkaensis Alaska alkali grass, Nootka alkaligrass

native
Perennial grass

Puccinellia nuttalliana Nuttall's alkali grass, Nuttall's alkaligrass

native
Perennial grass

Puccinellia simplex California alkaligrass

• rare native
Annual grass

Pulicaria paludosa Spanish false fleabane

non-native
Annual, Perennial herb

Punica granatum Pomegranate

non-native
Shrub

Punica granatum var. nana Pomegranate

non-native
Shrub

Purshia mexicana Mexican cliffrose

native
Shrub

Purshia mexicana var. stansburyana Stansbury's antelope brush

native
Shrub

Purshia stansburyana Stansbury's antelope brush

native
Shrub

Purshia tridentata Antelope bitterbrush, Antelope bush, Bitterbrush

native
Shrub

Purshia glandulosa Antelope brush, Desert bitterbrush

native
Shrub

Purshia tridentata var. glandulosa Antelope brush, Desert bitterbrush

native
Shrub

Purshia tridentata var. tridentata Antelope bitterbrush

native
Shrub

Pycnanthemum californicum California mint, Mountain mint, Sierra mint

native
Perennial herb

Pyracantha angustifolia Narrowleaf firethorn

• invasive non-native
Shrub

Pyracantha coccinea Scarlet firethorn

• invasive non-native
Shrub

Pyracantha crenulata Nepalese firethorn

• invasive non-native
Shrub

Pyracantha fortuneana Chinese firethorn

non-native
Shrub

Pyracantha koidzumii Taiwan firethorn

non-native
Shrub

Pyrola aphylla Leafless wintergreen

native
Perennial herb

Pyrola asarifolia Bog wintergreen, Liverleaf wintergreen

native
Perennial herb

Pyrola asarifolia ssp. asarifolia Bog wintergreen, Liverleaf wintergreen

native
Perennial herb

Pyrola asarifolia ssp. bracteata Bog wintergreen, Pink wintergreen

native
Perennial herb

Pyrola chlorantha Green flowered wintergreen, Greenflowered wintergreen

• rare native
Shrub (stem succulent)

Pyrola dentata Toothed wintergreen

native
Perennial herb

Pyrola minor English wintergreen, Lesser wintergreen, Snowline wintergreen

native
Perennial herb

Pyrola picta White veined shinleaf, White veined wintergreen, Whitevein shinleaf

native
Perennial herb

Pyrrocoma apargioides Alpine pyrrocoma, Alpineflames

native
Perennial herb

Pyrrocoma carthamoides var. cusickii Cusick's columbia pyrrocoma, Largeflower goldenweed

native
Perennial herb

Pyrrocoma lanceolata Intermountain pyrrocoma, Lanceleaf goldenweed

native
Perennial herb

Pyrrocoma lanceolata var. lanceolata Intermountain pyrrocoma, Lanceleaf goldenweed

native
Perennial herb

Pyrrocoma lucida Sticky goldenweed, Sticky pyrrocoma

• rare native
Perennial herb

Pyrrocoma racemosa Clustered goldenweed, Racemose pyrrocoma

native
Perennial herb

Pyrrocoma racemosa var. sessiflora Clustered goldenweed, Racemose pyrrocoma

native
Perennial herb

Pyrrocoma racemosa var. congesta Clustered goldenweed, Del norte pyrrocoma

• rare native
Perennial herb

Pyrrocoma racemosa var. paniculata Clustered goldenweed, Panicled pyrrocoma

native
Perennial herb

Pyrrocoma racemosa var. pinetorum Clustered goldenweed, Pine pyrrocoma

• rare native
Perennial herb

Pyrrocoma racemosa var. racemosa Clustered goldenweed, Racemose pyrrocoma

native
Perennial herb

Pyrrocoma racemosa var. sessiliflora Clustered goldenweed, Racemose pyrrocoma

native
Perennial herb

Pyrrocoma uniflora Plantain goldenweed, Single headed pyrrocoma

native
Perennial herb

Pyrrocoma uniflora var. gossypina Bear valley pyrrocoma, Plantain goldenweed

• rare native
Perennial herb

Pyrrocoma uniflora var. uniflora Plantain goldenweed, Single headed pyrrocoma

native
Perennial herb

Pyrus calleryana Callery pear

• invasive non-native
Tree

Pyrus communis Common pear

non-native
Tree

Quercus agrifolia California live oak, Coast live oak

native
Tree

Quercus agrifolia var. agrifolia California live oak, Coast live oak

native
Tree

Quercus agrifolia var. oxyadenia Coast live oak, Sharpacorn oak

native
Tree

Quercus alba White oak

non-native
Tree

Quercus berberidifolia Inland scrub oak

native
Tree

Quercus cerris European turkey oak

non-native
Tree

Quercus chrysolepis Canyon live oak, Canyon oak, maul oak, goldcup oak, Gold cup oak

native
Tree

Quercus wilcoxii Canyon live oak, Canyon oak, maul oak, goldcup oak, Gold cup oak

native
Tree

Quercus cornelius-mulleri Desert scrub oak, Muller oak

native
Tree

Quercus douglasii Blue oak

native
Tree

Quercus dumosa Coastal sage scrub oak, Nuttall's scrub oak

• rare native
Shrub

Quercus durata Leather oak

native
Shrub

Quercus durata var. durata Leather oak

native
Shrub

Quercus durata var. gabrielensis San Gabriel Mtns. leather oak

• rare native
Shrub

Quercus engelmannii Engelmann oak

• rare native
Tree

Quercus garryana Garry's oak, Oregon oak, garry oak, Oregon white oak

native
Tree

Quercus garryana var. breweri Brewer's oak, Garry's oak, Oregon oak

native
Tree

Quercus garryana var. garryana Oregon oak, Oregon white oak

native
Tree

Quercus garryana var. semota Oregon white oak

native
Tree

Quercus ilex Holly oak

non-native
Tree

Quercus ilex ssp. ilex Holly oak

non-native
Tree

Quercus ilex ssp. rotundifolia Holly oak

non-native
Tree

Quercus john-tuckeri Tucker oak, Tucker's oak

native
Tree

Quercus kelloggii Black oak, California black oak

native
Tree

Quercus lobata California white oak, Valley oak

native
Tree

Quercus macrocarpa Bur oak

non-native
Tree, Shrub

Quercus marilandica Blackjack oak

non-native
Tree

Quercus nigra Water oak

non-native
Tree

Quercus pacifica Channel island scrub oak, Island scrub oak

• rare native
Shrub

Quercus palmeri Desert oak, Palmer's oak, Scrub oak

native
Shrub

Quercus palustris Pin oak

non-native
Tree

Quercus parvula Coast oak, Santa cruz island oak

native
Tree

Quercus parvula var. parvula Santa cruz island oak

• rare native
Tree

Quercus parvula var. shrevei Shreve oak, Shreve's oak

native
Tree

Quercus parvula var. tamalpaisensis Tamalpais oak

• rare native
Shrub

Quercus robur English oak

non-native
Tree

Quercus rugosa Netleaf oak

non-native
Tree

Quercus sadleriana Deer oak, Sadler oak

native
Shrub

Quercus shumardii Shumard's oak

non-native
Tree

Quercus stellata Post oak

non-native
Tree

Quercus suber Cork oak

non-native
Tree, Shrub

Quercus tomentella Island live oak, Island oak

• rare native
Tree

Quercus turbinella Grey oak, Shrub live oak, Sonoran scrub oak

• rare native
Shrub

Quercus vacciniifolia Huckleberry oak

native
Shrub

Quercus virginiana Live oak

non-native
Tree

Quercus wislizeni Interior live oak, chapparal oak

native
Tree, Shrub

Quercus wislizeni ssp. frutescens Interior live oak, chapparal oak

native
Tree, Shrub

Quercus wislizeni var. frutescens Bush interior live oak, Chaparral oak, Live oak

native
Tree, Shrub

Quercus wislizeni var. wislizeni Interior live oak

native
Tree, Shrub

Quercus Xacutidens Torrey's hybrid oak

native
Shrub, Tree

Quercus alvordiana Alvord oak, Alvord's oak

native
Tree

Quercus Xalvordiana Alvord oak, Alvord's oak

native
Tree

Quercus Xchasei

native
Shrub, Tree

Quercus Xganderi

native
Shrub, Tree

Quercus Xmacdonaldii Macdonald oak, Macdonald's oak

native
Tree

Quercus Xmorehus Oracle oak

native
Tree

Quillaja saponaria Soapbark

non-native

Rafinesquia californica California chicory, California plumseed

native
Annual herb

Rafinesquia neomexicana California chicory, Desert chicory, New mexico plumseed

native
Annual herb

Raillardella argentea Silky raillardella

native
Perennial herb

Raillardella pringlei Showy raillardella

• rare native
Perennial herb (rhizomatous)

Raillardella scaposa Green leaved raillardella, Stem raillardella

native
Perennial herb

Ranunculus acris Acrid buttercup, Tall buttercup

non-native
Perennial herb

Ranunculus acris ssp. acris Acrid buttercup, Tall buttercup

non-native
Perennial herb

Ranunculus alismifolius Alisma leaved buttercup, Common water plantain buttercup, Plantainleaf buttercup

native
Perennial herb

Ranunculus alismifolius var. montanus Alisma leaved buttercup, Common water plantain buttercup, Plantainleaf buttercup

native
Perennial herb

Ranunculus alismifolius var. alismellus Plantainleaf buttercup, Slender buttercup, Small water plantain buttercup

native
Perennial herb

Ranunculus alismifolius var. alismifolius Plantainleaf buttercup, Water plantain buttercup

native
Perennial herb

Ranunculus alismifolius var. alismifolius

Ranunculus andersonii Anderson's buttercup

native
Perennial herb

Ranunculus andersonii var. andersonii Anderson's buttercup

native
Perennial herb

Ranunculus aquatilis white water buttercup

native
Perennial herb (aquatic)

Ranunculus aquatilis var. aquatilis White water butter cup

native
Perennial herb (aquatic)

Ranunculus aquatilis var. capillaceus white water butter cup

native
Perennial herb (aquatic)

Ranunculus aquatilis var. diffusus white water butter cup

native
Perennial herb (aquatic)

Ranunculus longirostris white water butter cup

native
Perennial herb (aquatic)

Ranunculus arvensis Corn buttercup, Field buttercup

non-native
Annual herb

Ranunculus bonariensis var. trisepalus Carter's buttercup, Vernal pool buttercup

native
Annual herb

Ranunculus bulbosus Bulbous buttercup, St. anthony's turnip

non-native
Perennial herb

Ranunculus californicus California buttercup

native
Perennial herb

Ranunculus californicus ssp. californicus California buttercup

native
Perennial herb

Ranunculus californicus ssp. californicus

Ranunculus californicus var. californicus Common buttercup

native
Perennial herb

Ranunculus californicus var. californicus

Ranunculus californicus var. cuneatus Common buttercup

native
Perennial herb

Ranunculus canus Great valley buttercup, Hartweg's buttercup, Sacramento valley buttercup

native
Perennial herb

Ranunculus canus var. canus Hartweg's buttercup

native
Perennial herb

Ranunculus cortusifolius Azores buttercup

non-native
Perennial herb

Ranunculus cortusifolius ssp. major Azores buttercup

non-native
Perennial herb

Ranunculus cymbalaria Alkali buttercup

native
Perennial herb

Ranunculus cymbalaria var. saximontanus Alkali buttercup

native
Perennial herb

Ranunculus eschscholtzii Eschscholtz's buttercup

native
Perennial herb

Ranunculus eschscholtzii var. oxynotus Eschscholtz's buttercup

native
Perennial herb

Ranunculus eschscholtzii var. suksdorfii Suksdorf's buttercup

native
Perennial herb

Ranunculus eschscholtzii var. suksdorfii

Ranunculus suksdorfii Suksdorf's buttercup

native
Perennial herb

Ranunculus flabellaris Yellow water buttercup

native
Perennial herb

Ranunculus flammula Creeping buttercup, Greater creeping spearwort, Water buttercup

native
Perennial herb

Ranunculus flammula var. ovalis Greater creeping spearwort

native
Perennial herb

Ranunculus glaberrimus Sagebrush buttercup, Smooth buttercup

native
Perennial herb

Ranunculus glaberrimus var. ellipticus Elliptical buttercup, Narrow leaved smooth buttercup

native
Perennial herb

Ranunculus glaberrimus var. glaberrimus Sagebrush buttercup, Smooth buttercup

native
Perennial herb

Ranunculus gormanii Gorman's buttercup

native
Perennial herb

Ranunculus hebecarpus Delicate buttercup, Pubescent fruited buttercup, Slender annual buttercup

native
Annual herb

Ranunculus hydrocharoides Frog's bit buttercup, Frogbit buttercup

• rare native
Perennial herb (aquatic)

Kumlienia hystricula Waterfall false buttercup

native
Perennial herb

Ranunculus hystriculus Waterfall false buttercup

native
Perennial herb

Ranunculus lobbii Buttercup, Lobb's aquatic buttercup, Lobb's buttercup

• rare native
Annual herb (aquatic)

Ranunculus macounii Macoun's buttercup

• rare native
Annual, Perennial herb

Ranunculus muricatus Buttercup, Pricklefruit buttercup, Spiny buttercup

non-native
Annual, Perennial herb

Ranunculus occidentalis Western buttercup

native
Perennial herb

Ranunculus occidentalis var. dissectus Western buttercup

native
Perennial herb

Ranunculus occidentalis var. occidentalis Western buttercup

native
Perennial herb

Ranunculus occidentalis var. occidentalis

Ranunculus occidentalis var. ultramontanus Western buttercup

native
Perennial herb

Ranunculus occidentalis var. ultramontanus

Ranunculus orthorhynchus Bloomer's buttercup, Straight beaked buttercup, Straightbeak buttercup

native
Perennial herb

Ranunculus orthorhynchus var. bloomeri Bloomer's beaked buttercup, Bloomer's buttercup

native
Perennial herb

Ranunculus orthorhynchus var. orthorhynchus Straight beaked buttercup, Straightbeak buttercup

native
Perennial herb

Ranunculus orthorhynchus var. orthorhynchus

Ranunculus orthorhynchus var. platyphyllus Bloomer's buttercup

native
Perennial herb

Ranunculus orthorhynchus var. platyphyllus

Ranunculus parviflorus Few flowered buttercup, Smallflower buttercup

non-native
Annual herb

Ranunculus pusillus Low buttercup, Low spearwort

native
Annual herb (aquatic)

Ranunculus repens Creeping buttercup, Crowfoot, creeping buttercup

• invasive non-native
Perennial herb

Ranunculus sardous Hairy buttercup

non-native
Perennial herb

Ranunculus sceleratus Cursed buttercup, Cursed crowfoot

native
Annual herb (aquatic)

Ranunculus sceleratus var. multifidus Cursed buttercup

native
Annual herb (aquatic)

Ranunculus sceleratus var. sceleratus Cursed buttercup

native
Annual herb (aquatic)

Ceratocephala testiculata Tubercled crowfoot

non-native
Annual herb

Ranunculus testiculatus Tubercled crowfoot

non-native
Annual herb

Ranunculus uncinatus Hook seeded buttercup, Hooked fruit buttercup, Woodland buttercup

native
Annual, Perennial herb

Raphanus raphanistrum Jointed charlock, Painted charlock, Wild radish

non-native
Annual, Perennial herb

Raphanus raphanistrum ssp. maritimus Jointed charlock, Painted charlock, Wild radish

non-native
Annual, Perennial herb

Raphanus sativus Cultivated radish, Jointed charlock, Wild radish

• invasive non-native
Annual, Biennial herb

Rapistrum rugosum Annual bastardcabbage

non-native
Annual, Perennial herb

Ratibida columnifera Upright prairie coneflower

non-native
Perennial herb

Reseda alba White mignonette, White upright mignonette

non-native
Perennial herb

Reseda lutea Yellow mignonette

non-native
Perennial herb

Reseda luteola Dyer's mignonette, Weld

non-native
Perennial herb

Rhagadiolus stellatus Endive daisy

non-native
Annual herb

Rhamnus alaternus Italian buckthorn

• invasive non-native
Shrub

Rhamnus alnifolia Alder leaved coffeeberry, Alderleaf buckthorn, Alderleaf coffeeberry

• rare native
Shrub

Rhamnus cathartica Common buckthorn

non-native
Shrub

Rhamnus crocea Redberry buckthorn

native
Shrub

Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry

native
Shrub

Rhamnus pilosa Hairyleaf redberry

native
Shrub

Rhamnus pirifolia Island redberry

• rare native
Tree, Shrub

Rhaphiolepis indica

non-native

Acroptilon repens Russian knapweed

non-native
Perennial herb

Polygala californica California Milkwort

native
Perennial herb

Polygala cornuta

native

Polygala cornuta var. cornuta Sierra Milkwort

native
Shrub

Rhodiola integrifolia Ledge stonecrop

native
Perennial herb

Rhodiola integrifolia ssp. integrifolia Ledge stonecrop

native
Perennial herb

Sedum roseum ssp. integrifolium Ledge stonecrop

native
Perennial herb

Ledum glandulosum Western labrador tea

native
Shrub

Ledum glandulosum ssp. columbianum Western labrador tea

native
Shrub

Rhododendron columbianum Western labrador tea

native
Shrub

Rhododendron macrophyllum California rose bay, Coast rhododendron, Pacific rhododendron

native
Shrub

Rhododendron occidentale Western azalea

native
Tree, Shrub

Rhododendron occidentale var. occidentale Western azalea

native
Tree, Shrub

Rhododendron occidentale var. occidentale

Rhus aromatica Fragrant sumac, Skunk Bush

native
Shrub

Rhus aromatica var. anisophylla Fragrant sumac, Skunk Bush

native
Shrub

Rhus aromatica var. aromatica Fragrant sumac, Skunk Bush

native
Shrub

Rhus aromatica var. pilosissima Fragrant sumac, Skunk Bush

native
Shrub

Rhus aromatica var. trilobata Fragrant sumac, Skunk Bush

native
Shrub

Rhus trilobata Fragrant sumac, Skunk Bush

native
Shrub

Rhus trilobata var. trilobata Fragrant sumac, Skunk Bush

native
Shrub

Rhus aromatica var. simplicifolia Single-leaved skunkbrush

• rare native
Shrub

Rhus glabra Smooth sumac

non-native
Tree

Rhus integrifolia Lemonade berry, Lemonade sumac

native
Shrub

Rhus lanceolata Prairie sumac

non-native
Shrub

Rhus ovata Sugar bush, Sugar sumac

native
Shrub

Rhynchospora alba White beaked rush, White beaksedge

• rare native
Perennial grasslike herb (rhizomatous)

Rhynchospora californica California beaked rush, California beaksedge

• rare native
Perennial grasslike herb (rhizomatous)

Rhynchospora capitellata Brownish beaksedge, Capitate beaked rush

• rare native
Perennial grasslike herb

Rhynchospora globularis Globe beaksedge

• rare native
Perennial grasslike herb (rhizomatous)

Ribes amarum Bitter gooseberry

native
Shrub

Ribes aureum Golden currant

native
Shrub

Ribes aureum var. villosum Golden currant

native
Shrub

Ribes aureum var. aureum Golden currant

native
Shrub

Ribes aureum var. gracillimum Golden currant

native
Shrub

Ribes binominatum Ground gooseberry, Trailing gooseberry

native
Shrub

Ribes bracteosum Stink currant

native
Shrub

Ribes californicum California gooseberry, Hillside gooseberry

native
Shrub

Ribes californicum var. californicum; California gooseberry, Hillside gooseberry

native
Shrub

Ribes californicum var. californicum California gooseberry, Hillside gooseberry

native
Shrub

Ribes californicum var. hesperium California gooseberry, Hillside gooseberry

native
Shrub

Ribes canthariforme Moreno currant

• rare native
Shrub

Ribes cereum Wax currant

native
Shrub

Ribes cereum var. cereum Wax currant

native
Shrub

Ribes divaricatum Spreading gooseberry

native
Shrub

Ribes divaricatum ssp. divaricatum Spreading gooseberry

native
Shrub

Ribes divaricatum var. pubiflorum Spreading gooseberry, Straggly gooseberry

native
Shrub

Ribes hudsonianum Northern black currant

native
Shrub

Ribes indecorum White flowering currant, Whiteflower currant

native
Shrub

Ribes inerme White stemmed gooseberry, Whitestem gooseberry

native
Shrub

Ribes inerme var. inerme White stemmed gooseberry, Whitestem gooseberry

native
Shrub

Ribes lacustre Prickly currant, Swamp currant

native
Shrub

Ribes lasianthum Alpine gooseberry

native
Shrub

Ribes laxiflorum Trailing black currant

• rare native
Shrub

Ribes lobbii Gummy gooseberry

native
Shrub

Ribes malvaceum Chaparral currant

native
Shrub

Ribes malvaceum var. malvaceum Chaparral currant

native
Shrub

Ribes malvaceum var. viridifolium Chaparral currant

native
Shrub

Ribes marshallii Hupa gooseberry, Marshall's gooseberry

• rare native
Shrub

Ribes menziesii Canyon gooseberry, Gooseberry

native
Shrub

Ribes menziesii var. ixoderme Aromatic canyon gooseberry, Sierra canyon gooseberry

• rare native
Shrub

Ribes menziesii var. menziesii Canyon gooseberry

native
Shrub

Ribes montigenum Alpine prickly current, Gooseberry currant, Mountain gooseberry

native
Shrub

Ribes nevadense Mountain pink currant, Sierra currant

native
Shrub

Ribes quercetorum Foothill gooseberry, Oak gooseberry, Rock gooseberry

native
Shrub

Ribes roezlii Sierra gooseberry, Sierran Gooseberry

native
Shrub

Ribes roezlii var. amictum Sierra gooseberry

• rare native
Shrub

Ribes roezlii var. cruentum Sierra gooseberry, Spiny fruited gooseberry

native
Shrub

Ribes roezlii var. roezlii Sierra gooseberry

native
Shrub

Ribes sanguineum Flowering currant, Red flowering currant, Redflower currant

native
Shrub

Ribes sanguineum var. glutinosum Blood currant, Flowering currant, Pink flowering currant

native
Shrub

Ribes sanguineum var. sanguineum Red flowering currant, Redflower currant

native
Shrub

Ribes sericeum Santa lucia gooseberry

• rare native
Shrub

Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry

native
Shrub

Ribes thacherianum Santa cruz gooseberry, Santa cruz island gooseberry

• rare native
Shrub

Ribes tularense Sequoia gooseberry, Tulare gooseberry

• rare native
Shrub

Ribes velutinum Desert gooseberry

native
Shrub

Ribes viburnifolium Catalina currant, Island gooseberry, Santa catalina island currant

• rare native
Shrub

Ribes victoris Victor's gooseberry

• rare native
Shrub

Ribes viscosissimum Sticky currant, Sticky flowering currant

native
Shrub

Ricinus communis Castor bean, Castorbean

• invasive non-native
Shrub

Rigiopappus leptocladus Rigiopappus, Wire weed, Wireweed

native
Annual herb

Robinia hispida Bristly locust

non-native
Tree, Shrub

Robinia neomexicana Desert locust, New mexico locust

• rare native
Tree, Shrub

Robinia pseudoacacia Black locust

• invasive non-native
Tree

Roldana petasitis Velvet groundsel

non-native
Shrub

Senecio petasitis Velvet groundsel

non-native
Shrub

Romanzoffia californica California romanzoffia

native
Perennial herb

Romanzoffia sitchensis Sitka romanzoffia

native
Perennial herb

Romanzoffia tracyi Tracy's romanzoffia

• rare native
Perennial herb

Romneya coulteri Coulter's matilija poppy

• rare native
Perennial herb (rhizomatous)

Romneya trichocalyx Bristly matilija poppy, Hairy matilija poppy

native
Perennial herb

Romulea rosea Rosy sandcrocus

• invasive non-native
Perennial herb

Romulea rosea var. australis Rosy sand crocus, Rosy sandcrocus

non-native
Perennial herb

Rorippa austriaca Austrian field cress, Austrian yellowcress

• invasive non-native
Perennial herb

Rorippa columbiae Columbia yellow cress, Columbian yellowcress

• rare native
Perennial herb (rhizomatous)

Rorippa curvipes Bluntleaf yellow cress, Bluntleaf yellowcress

native
Annual herb

Rorippa curvisiliqua Curvepod yellow cress, Curvepod yellowcress, Western yellow cress

native
Annual, Perennial herb

Rorippa palustris Bog yellow cress, Bog yellowcress

native
Annual, Perennial herb

Rorippa palustris ssp. fernaldiana Bog yellowcress

native
Annual, Perennial herb

Rorippa palustris ssp. palustris Bog yellowcress

native
Annual, Perennial herb

Rorippa palustris var. occidentalis Bog yellowcress

native
Annual, Perennial herb

Rorippa sphaerocarpa Round fruit yellow cress, Roundfruit yellowcress

native
Annual herb

Rorippa subumbellata Lake tahoe yellowcress, Tahoe yellow cress

• rare native
Perennial herb (rhizomatous)

Rosa bridgesii Pygmy rose, Wood rose

native
Shrub

Rosa californica California wild rose, California wildrose

native
Shrub

Rosa canina Dog rose

non-native
Shrub

Rosa gymnocarpa Dwarf rose, Baldhip rose

native
Shrub

Rosa gymnocarpa var. gymnocarpa Wood rose

native
Shrub

Rosa minutifolia Baja rose, Small leaved rose

• rare native
Shrub

Rosa multiflora Multiflora rose

non-native
Shrub, Vine

Rosa nutkana Nootka rose

native
Shrub

Rosa nutkana ssp. macdougallii Nootka rose

native
Shrub

Rosa nutkana ssp. macdougalii Nootka rose

native
Shrub

Rosa nutkana ssp. nutkana Nootka rose

native
Shrub

Rosa nutkana var. nutkana Nootka rose

native
Shrub

Rosa pinetorum Pine rose

• rare native
Shrub

Rosa pisocarpa Cluster rose

native
Shrub

Rosa pisocarpa ssp. ahartii Ahart rose

native
Shrub

Rosa pisocarpa ssp. pisocarpa Cluster or pea rose

native
Shrub

Rosa rubiginosa Sweet brier

non-native
Shrub

Rosa rugosa Rugosa rose

non-native
Shrub, Vine

Rosa spithamea Ground rose, Sonoma rose

native
Shrub

Rosa woodsii Woods' rose

native
Shrub

Rosa woodsii ssp. Woodsii Woods' rose

native
Shrub

Rosa woodsii ssp. gratissima Mojave rose

native
Shrub

Rosa woodsii ssp. ultramontana Interior rose

native
Shrub

Rosa woodsii var. ultramontana Interior rose

native
Shrub

Rosmarinus officinalis Rosemary

non-native
Shrub

Rotala ramosior Lowland rotala

native
Annual herb

Rubia tinctoria Madder

non-native
Perennial herb

Rubus allegheniensis Allegheny blackberry

non-native
Shrub

Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry

• invasive non-native
Shrub

Rubus fruticosus Shrubby blackberry

non-native
Vine, Shrub

Rubus glaucifolius Raspberry, San diego raspberry, Wax leaf raspberry

native
Shrub

Rubus idaeus American red raspberry

native
Shrub

Rubus idaeus ssp. strigosus Grayleaf red raspberry

native
Shrub

Rubus laciniatus Cut leaved blackberry, Cutleaf blackberry

non-native
Shrub

Rubus lasiococcus Rough fruit berry, Roughfruit berry

native
Vine, Shrub

Rubus leucodermis Western raspberry, White bark raspberry, White stemmed raspberry

native
Shrub

Rubus nivalis Snow bramble, Snow dwarf bramble, Snow raspberry

• rare native
Vine

Rubus parviflorus Western thimbleberry, Thimbleberry

native
Vine, Shrub

Rubus pensilvanicus Pennsylvania blackberry

non-native
Vine, Shrub

Rubus phoenicolasius Wine raspberry

non-native
Vine, Shrub

Rubus spectabilis Salmon berry, Salmonberry

native
Shrub

Rubus discolor Elmleaf blackberry

non-native
Vine, Shrub

Rubus ulmifolius Elmleaf blackberry

non-native
Vine, Shrub

Rubus ulmifolius var. anoplothyrsus Elm leaf bramble

non-native
Vine, Shrub

Rubus macropetalus California blackberry, Pacific blackberry

native
Vine, Shrub

Rubus ursinus California blackberry, Pacific blackberry

native
Vine, Shrub

Rudbeckia californica California cone flower, California coneflower

native
Perennial herb

Rudbeckia glaucescens Waxy coneflower

native
Perennial herb

Rudbeckia hirta Blackeyed susan, Bristly cone flower

native
Perennial herb

Rudbeckia hirta var. angustifolia Blackeyed susan, Bristly cone flower

native
Perennial herb

Rudbeckia bicolor Black eyed susan, Blackeyed susan

non-native
Perennial herb

Rudbeckia hirta var. pulcherrima Black eyed susan, Blackeyed susan

non-native
Perennial herb

Rudbeckia klamathensis Klamath coneflower

native
Perennial herb

Rudbeckia occidentalis Western coneflower

native
Perennial herb

Rudbeckia occidentalis var. glabrata Western coneflower

native
Perennial herb

Rudbeckia occidentalis var. occidentalis Western coneflower

native
Perennial herb

Rudbeckia occidentalis var. occidentalis

Rumex acetosella Common sheep sorrel

• invasive non-native
Perennial herb

Rumex californicus California dock

native
Perennial herb

Rumex salicifolius var. denticulatus California dock

native
Perennial herb

Rumex conglomeratus Clustered dock, Green dock

non-native
Perennial herb

Rumex crassus Willow leaved dock

native
Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

• invasive non-native
Perennial herb

Rumex dentatus Toothed dock

non-native
Annual, Perennial herb

Rumex fueginus Golden dock

native
Annual, Perennial herb

Rumex hymenosepalus Canaigre dock, Wild rhubarb

native
Perennial herb

Rumex kerneri Kerner's dock

non-native
Perennial herb

Rumex obtusifolius Bitter dock

non-native
Perennial herb

Rumex fenestratus Western dock

native
Perennial herb

Rumex occidentalis Western dock

native
Perennial herb

Rumex palustris

non-native
Perennial herb

Rumex paucifolius Alpine sheep sorrel, Few leaved dock

native
Perennial herb

Rumex persicarioides Golden dock

native
Annual, Perennial herb

Rumex pulcher Fiddle dock

non-native
Perennial herb

Rumex salicifolius Willow dock, Willow leaved dock

native
Perennial herb

Rumex sanguineus Redvein dock

non-native
Perennial herb

Rumex stenophyllus Narrowleaf dock

non-native
Perennial herb

Rumex transitorius Willow dock

native
Perennial herb

Rumex salicifolius var. triangulivalvis Willow dock

native
Perennial herb

Rumex triangulivalvis Willow dock

native
Perennial herb

Rumex venosus Veiny dock, Winged dock

• rare native
Perennial herb

Rumohra adiantiformis Iron fern

non-native
Fern

Rupertia hallii Hall's california tea, Hall's rupertia

• rare native
Perennial herb

Rupertia physodes California tea, Common rupertia, Forest scurfpea

native
Perennial herb

Rupertia rigida Parish's california tea, Parish's rupertia

• rare native
Perennial herb

Ruppia maritima Ditch grass, Ditchgrass or wigeon grass, Widgeongrass

native
Perennial herb (aquatic)

RUPPIACEAE

Ruta chalepensis Fringed rue

non-native
Perennial herb

Ruta graveolens Common rue

non-native
Shrub (stem succulent)

Rytidosperma caespitosum Tufted wallaby grass

• invasive non-native
Perennial grass

Rytidosperma penicillatum Purple awned wallaby grass , Hairy oat grass, Poverty grass

• invasive non-native
Perennial grass

Minuartia californica California Sandwort

native
Annual herb

Minuartia cismontana Cismontane Minuartia

native
Annual herb

Sabulina decumbens The Lassics sandwort

• rare native
Perennial herb

Minuartia douglasii Douglas' Stitchwort

native
Annual herb

Minuartia nuttallii Nuttall's Sandwort

native
Perennial herb

Minuartia nuttallii var. fragilis

native
Perennial herb

Minuartia nuttallii ssp. gracilis

native
Perennial herb

Minuartia nuttallii var. gracilis

native
Perennial herb

Minuartia nuttallii var. gregaria

native
Perennial herb

Minuartia pusilla Annual Sandwort

native
Annual herb

Minuartia rubella Reddish Sandwort

native
Perennial herb

Saccharum ravennae Ravennagrass

• invasive non-native
Perennial grass

Sagina apetala Annual pearlwort, Dwarf pearlwort, Sticky pearlwort

non-native
Annual herb

Sagina decumbens Trailing pearlwort

native
Annual herb

Sagina decumbens ssp. occidentalis Western pearlwort

native
Annual herb

Sagina maxima ssp. crassicaulis Beach pearlwort, Perennial pearlwort, Stickystem pearlwort

native
Perennial herb

Sagina procumbens Arctic pearlwort, Birdeye pearlwort

native
Perennial herb

Sagina saginoides Alpine pearlwort, Arctic pearlwort, Common pearlwort

native
Perennial herb

Sagina subulata Awl leaf pearlwort

non-native
Perennial herb

Sagittaria brevirostra Shortbeak arrowhead

non-native
Perennial herb

Sagittaria cuneata Arum leaved arrowhead, Arumleaf arrowhead, Tule potato

native
Perennial herb

Sagittaria lancifolia Bulltongue arrowhead

non-native
Perennial herb (aquatic)

Sagittaria latifolia Broad leaf arrowhead, Broadleaf arrowhead, Wappato

native
Perennial herb (aquatic)

Sagittaria longiloba Long lobed arrowhead, Longbarb arrowhead

native
Perennial herb (aquatic)

Sagittaria montevidensis Giant arrowhead

native
Perennial herb (aquatic)

Sagittaria montevidensis ssp. calycina Hooded arrowhead, Montevideo arrowhead

native
Perennial herb (aquatic)

Sagittaria rigida Sessilefruit arrowhead

non-native
Perennial herb

Sagittaria sanfordii Sanford's arrowhead, Valley arrowhead

• rare native
Perennial herb (rhizomatous)

Salicornia bigelovii Bigelow's pickleweed, Dwarf saltwort

native
Annual herb

Salicornia depressa Virginia glasswort

native
Annual herb

Salicornia virginica Virginia glasswort

native
Annual herb

Salicornia pacifica Glasswort, Pacific swampfire, Pickleweed

native
Perennial herb

Sarcocornia utahensis Glasswort, Pacific swampfire, Pickleweed

native
Perennial herb

Salicornia perennis Chickenclaws

native
Perennial herb

Salicornia rubra Red pickleweed, Red swampfire

native
Annual herb

Salix alba White willow

non-native
Shrub, Tree

Salix babylonica Weeping willow

non-native
Tree

Salix bebbiana Bebb willow, Gray willow

• rare native
Tree

Salix boothii Booth's willow

native
Shrub

Salix brachycarpa ssp. brachycarpa Shortfruit willow

• rare native
Shrub

Salix brachycarpa var. brachycarpa Shortfruit willow

• rare native
Shrub

Salix breweri Brewer's willow, Serpentine willow

native
Shrub

Salix delnortensis Del norte willow

• rare native
Shrub

Salix discolor Pussy willow

non-native
Tree

Salix commutata Mountain willow

native
Shrub

Salix eastwoodiae Mountain willow

native
Shrub

Salix exigua Narrow leaved willow, Narrowleaf willow, Sandbar willow

native
Tree, Shrub

Salix exigua var. exigua Narrowleaf willow

native
Tree, Shrub

Salix exigua var. hindsiana Sandbar willow

native
Tree, Shrub

Salix geyeriana Geyer's willow

native
Shrub

Salix amygdaloides Goodding's black willow, Goodding's willow, Gooding's willow

native
Tree

Salix gooddingii Goodding's black willow, Goodding's willow, Gooding's willow

native
Tree

Salix nigra Goodding's black willow, Goodding's willow, Gooding's willow

native
Tree

Salix hookeriana Coastal willow, Dune willow

native
Tree, Shrub

Salix jepsonii Jepson's willow

native
Shrub

Salix laevigata Polished willow, Red willow

native
Tree

Salix lasiandra Pacific willow

native
Tree

Salix lucida Pacific willow

native
Tree

Salix lucida var. caudata Pacific willow

native
Tree

Salix lasiandra var. caudata Shining willow

native
Shrub

Salix lasiandra var. lasiandra Pacific willow

native
Tree

Salix lucida ssp. lasiandra Pacific willow

native
Tree

Salix lasiolepis Arroyo willow

native
Tree, Shrub

Salix lemmonii Lemmon's willow

native
Shrub

Salix eriocephala var. ligulifolia Strapleaf willow, Tongueleaf willow

native
Shrub

Salix ligulifolia Strapleaf willow, Tongueleaf willow

native
Shrub

Salix eriocephala var. watsonii Yellow willow

native
Shrub

Salix lutea Yellow willow

native
Shrub

Salix rigida var. watsonii Yellow willow

native
Shrub

Salix matsudana Corkscrew willow

non-native
Tree

Salix melanopsis Dusky willow

native
Tree, Shrub

Salix nivalis Snow willow

• rare native
Shrub

Salix reticulata ssp. nivalis Snow willow

• rare native
Shrub

Salix orestera Sierra willow

native
Shrub

Salix arctica Alpine willow

native
Tree, Shrub

Salix arctica var. petraea Alpine willow

native
Tree, Shrub

Salix petrophila Alpine willow

native
Tree, Shrub

Salix planifolia Diamondleaf willow

native
Shrub

Salix prolixa Mackenzie's willow

native
Tree, Shrub

Salix purpurea Purpleosier willow

non-native
Tree

Salix scouleriana Nuttall willow, Scouler willow, Scouler's willow

native
Tree, Shrub

Salix sessilifolia Northern sandbar willow, Northwest sandbar willow, Northwest willow

native
Shrub

Salix sitchensis Coulter willow, Sitka willow

native
Tree, Shrub

Salix viminalis Basket willow

non-native
Tree

Salix Xrubens Hybrid crack willow

non-native
Shrub, Tree

Salix Xsepulcralis Weeping willow

non-native
Tree

Salpichroa origanifolia Lily of the valley vine

• invasive non-native
Perennial herb

Salsola australis Russian thistle

non-native
Annual herb

Salsola kali Russian thistle

• invasive non-native
Annual herb

Salsola paulsenii Barbwire russian thistle, Paulsen's russian thistle

• invasive non-native
Annual, Perennial herb

Salsola soda Alkali russian thistle, Oppositeleaf russian thistle

• invasive non-native
Annual herb

Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed

• invasive non-native
Annual herb

Gilia australis Southern gilia

native
Annual herb

Saltugilia australis Southern gilia

native
Annual herb

Saltugilia caruifolia Caraway leaved woodland gilia

• rare native
Annual herb

Saltugilia latimeri Latimer's woodland gilia

• rare native
Annual herb

Saltugilia splendens Splendid gilia

native
Annual herb

Saltugilia splendens ssp. grantii Grant's gilia

native
Annual herb

Saltugilia splendens ssp. splendens Splendid gilia

native
Annual herb

Salvia aethiopis Mediterranean sage

• invasive non-native
Perennial herb

Salvia apiana White sage

native
Shrub

Salvia brandegeei Brandegee's sage, Santa rosa island sage

• rare native
Shrub

Salvia carduacea Thistle sage

native
Annual herb

Salvia clevelandii Cleveland sage, Fragrant sage

native
Shrub

Salvia coccinea Blood sage

non-native
Perennial herb

Salvia columbariae Chia sage

native
Annual herb

Salvia columbariae var. columbariae Chia sage

native
Annual herb

Salvia dorrii Desert sage, Dorr's sage, Purple sage

native
Shrub

Salvia dorrii ssp. mearnsii Desert sage, Dorr's sage, Purple sage

native
Shrub

Salvia dorrii var. clokeyi Desert sage, Dorr's sage, Purple sage

native
Shrub

Salvia dorrii ssp. dorrii var. dorrii Dorr's sage

native
Shrub

Salvia dorrii var. dorrii Dorr's sage

native
Shrub

Salvia dorrii var. incana Desert sage, Fleshy sage, Great basin sage

• rare native
Shrub

Salvia dorrii var. pilosa Hairy sage

native
Shrub

Salvia eremostachya Desert sage, Rose sage, Santa rosa sage

• rare native
Shrub

Salvia funerea Death valley sage, Woolly sage

• rare native
Shrub

Salvia greatae Lavender sage, Orocopia sage

• rare native
Shrub

Salvia greggii Autumn sage

non-native
Perennial herb

Salvia hispanica Chia

non-native
Perennial herb

Salvia leucantha Mexican bush sage

non-native
Perennial herb

Salvia leucophylla San luis purple sage

native
Shrub

Salvia mellifera Black sage

native
Shrub

Salvia microphylla Baby sage

non-native
Shrub

Salvia mohavensis Mohave sage, Mojave sage

native
Shrub

Salvia munzii Munz's sage

• rare native
Shrub

Salvia officinalis Kitchen sage

non-native
Perennial herb

Salvia pachyphylla Blue sage, Rose sage, Thick leaved sage

native
Shrub

Salvia pratensis Introduced sage

non-native
Shrub

Salvia sonomensis Creeping sage, Sonoma sage

native
Perennial herb

Salvia spathacea Hummingbird sage

native
Perennial herb

Salvia vaseyi Scallopleaf sage, Vasey's sage, Wand sage

native
Shrub

Salvia verbenaca Verbena sage

non-native
Perennial herb

Salvia xpalmeri

native
Perennial herb

Salvinia auriculata Water spangles

non-native
Annual, Perennial herb

SALVINIACEAE

Salvinia minima Water spangles

non-native
Annual, Perennial herb

SALVINIACEAE

Salvinia molesta Kariba weed

• invasive non-native
Annual, Perennial herb

SALVINIACEAE

Sambucus mexicana Blue elderberry

native
Tree, Shrub

Sambucus nigra ssp. caerulea Blue elderberry

native
Tree, Shrub

Sambucus nigra Black elderberry

native
Shrub

Sambucus caerulea Blue elderberry

native
Shrub

Sambucus canadensis Blue elderberry

native
Shrub

Sambucus cerulea Blue elderberry

native
Shrub

Sambucus nigra ssp. canadensis Blue elderberry

native
Shrub

Sambucus nigra ssp. cerulea Blue elderberry

native
Shrub

Sambucus racemosa Red elderberry

native
Shrub

Sambucus melanocarpa Rocky mountain elder

native
Shrub

Sambucus racemosa var. melanocarpa Rocky mountain elder

native
Shrub

Sambucus pubens Pacific red elderberry

native
Shrub

Sambucus racemosa var. racemosa Pacific red elderberry

native
Shrub

Samolus parviflorus Water pimpernel

native
Perennial herb

THEOPHRASTACEAE

Sanguisorba officinalis Great burnet, Official burnet

• rare native
Perennial herb (rhizomatous)

Sanicula arctopoides Footsteps of spring, Yellow mats

native
Perennial herb

Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot

native
Perennial herb

Sanicula bipinnata Poison sanicle

native
Perennial herb

Sanicula bipinnatifida Purple sanicle, Snakeroot, Purple Sanicle, Shoe Buttons

native
Perennial herb

Sanicula bipinnatifida var. flava Purple sanicle, Snakeroot, Purple Sanicle, Shoe Buttons

native
Perennial herb

Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle

native
Perennial herb

Sanicula graveolens Northern sanicle, Sierra sanicle

native
Perennial herb

Sanicula hoffmannii Hoffmann's blacksnakeroot, Hoffmann's sanicle, Hoffmann's snakeroot

• rare native
Perennial herb

Sanicula laciniata Coast sanicle, Coastal blacksnakeroot

native
Perennial herb

Sanicula maritima Adobe sanicle, Adobe snakeroot

• rare native
Perennial herb

Sanicula peckiana Peck's blacksnakeroot, Peck's sanicle

• rare native
Perennial herb

Sanicula saxatilis Devil's blacksnakeroot, Diablo sanicle, Rock sanicle

• rare native
Perennial herb

Sanicula tracyi Tracy's blacksnakeroot, Tracy's sanicle

• rare native
Perennial herb

Sanicula tuberosa Tuberous sanicle, Turkey pea

native
Perennial herb

Sanionia uncinata Sanionia moss

non-native
Moss

AMBLYSTEGIACEAE

Santolina chamaecyparissus Lavender cotton

non-native
Shrub

Sanvitalia abertii Abert's sanvitalia, Abert's creeping zinnia

• rare native
Annual herb

Sanvitalia procumbens Mexican creeping zinnia

non-native
Annual herb

Saponaria officinalis Bouncing bet, Bouncingbet, Soapwort

• invasive non-native
Perennial herb

Sarcobatus baileyi Bailey's greasewood

• rare native
Shrub

SARCOBATACEAE

Sarcobatus vermiculatus Black greasewood

native
Shrub

SARCOBATACEAE

Sarcodes sanguinea Snow plant, Snowplant

native
Perennial herb (mycoparasitic)

Sarracenia alata Yellow trumpets

non-native
Perennial herb (stem succulent)

Sarracenia purpurea Purple pitcherplant, Purple sarracenia

non-native
Perennial herb (stem succulent)

Sarracenia purpurea ssp. purpurea Purple pitcherplant, Purple sarracenia

non-native
Perennial herb (stem succulent)

Sarracenia purpurea ssp. venosa Purple sarracenia

non-native
Perennial herb (stem succulent)

Sarracenia purpurea ssp. venosa var. montana Purple sarracenia

non-native
Perennial herb (stem succulent)

Sarracenia purpurea ssp. venosa var. montana

Sarracenia rubra ssp. alabamensis Sweet pitcherplant

non-native
Perennial herb, Shrub

Sarracenia rubra ssp. gulfensis Sweet pitcherplant

non-native
Perennial herb, Shrub

Sarracenia rubra ssp. rubra Sweet pitcherplant

non-native
Perennial herb, Shrub

Satureja hortensis Summer savory

non-native
Perennial herb

Saussurea americana American saw wort

• rare native
Perennial herb

Saxifraga caespitosa Tufted saxifrage

• rare native
Perennial herb

Saxifraga cespitosa Tufted saxifrage

• rare native
Perennial herb

Saxifraga hyperborea Pygmy saxifrage

native
Perennial herb

Saxifraga rivularis Pygmy saxifrage

native
Perennial herb

Saxifraga mertensiana Wood saxifrage

native
Perennial herb

Saxifraga rufidula Rusty saxifrage, Rustyhair saxifrage

native
Perennial herb (rhizomatous)

Saxifraga stolonifera Creeping saxifrage, Strawberry geranium

non-native
Perennial herb

Saxifragopsis fragarioides Strawberry saxifrage

native
Perennial herb

Scabiosa atropurpurea Pincushion flower, Pincushion plant, Pincushions

• invasive non-native
Annual herb

Scabiosa atropurpurea var. maritima Pincushion flower, Pincushion plant, Pincushions

• invasive non-native
Annual herb

Scandix pecten-veneris Shepherd's needle, Shepherdsneedle, Venus' needle

non-native
Annual herb, Vine

Botrychium multifidum Leather grape-fern

native
fern

Sceptridium multifidum Leather grape-fern

native
fern

Schedonnardus paniculatus Tumblegrass

non-native
Perennial grass

Schefflera actinophylla Octopus tree

non-native
Vine

Scheuchzeria palustris Rannoch rush

• rare native
Perennial herb (rhizomatous)

SCHEUCHZERIACEAE

Schinus molle Peruvian pepper tree, Peruvian peppertree

• invasive non-native
Tree

Schinus polygamus Hardee peppertree

non-native
Tree, Shrub

Schinus terebinthifolius Brazilian pepper tree, Brazilian peppertree

• invasive non-native
Tree, Shrub

Schismus arabicus Arabian schismus, Mediterranean grass

• invasive non-native
Annual grass

Schismus barbatus Common mediterranean grass, Old han schismus

• invasive non-native
Annual grass

Schoenoplectus acutus Hardstem bulrush

native
Perennial grasslike herb

Schoenoplectus acutus var. occidentalis Tule

native
Perennial grasslike herb

Schoenoplectus americanus Chairmaker's bulrush

native
Perennial grasslike herb

Schoenoplectus californicus California bulrush

native
Perennial grasslike herb

Schoenoplectus fluviatilis River bulrush

native
Perennial grasslike herb

Schoenoplectus mucronatus Bog bulrush

non-native
Perennial grasslike herb

Schoenoplectus pungens Common threesquare

native
Perennial grasslike herb

Schoenoplectus pungens var. longispicatus Common threesquare

native
Perennial grasslike herb

Schoenoplectus pungens var. longispicatus

Schoenoplectus saximontanus Rocky mountain bulrush

native
Annual grasslike herb

Schoenoplectus subterminalis Swaying bulrush

• rare native
Perennial grasslike herb (rhizomatous)

Schoenoplectus tabernaemontani Softstem bulrush

native
Perennial grasslike herb

Schoenus nigricans Black bogrush, Black sedge

• rare native
Perennial grasslike herb

Scirpus atrovirens Green bulrush

non-native
Perennial grasslike herb

Scirpus congdonii Congdon's bulrush

native
Perennial grasslike herb

Scirpus cyperinus Woolgrass

non-native
Perennial grasslike herb

Scirpus diffusus Diffuse rush, Umbrella bulrush

native
Perennial grasslike herb

Scirpus microcarpus Panicled bulrush, Small fruited bulrush

native
Perennial grasslike herb

Scirpus pendulus Drooping bulrush, Rufous bulrush

• rare native
Perennial grasslike herb

Scleranthus annuus ssp. annuus German knotgrass, Knawel, Scleranthus

non-native
Annual herb

Echinomastus johnsonii Johnson's devil claw, Johnson's fishhook cactus

• rare native
Shrub (stem succulent)

Sclerocactus johnsonii Johnson's devil claw, Johnson's fishhook cactus

• rare native
Shrub (stem succulent)

Sclerocactus polyancistrus Mojave fish hook cactus, Redspined fishhook cactus

• rare native
Shrub (stem succulent)

Sclerolinon digynum Digynum flax

native
Annual herb

Scleropogon brevifolius Burro grass, Burrograss

• rare native
Perennial grass

Scoliopus bigelovii California fetid adderstongue, Fetid adder's tongue, Slink pod

native
Perennial herb

Scolymus hispanicus Common goldenthistle, Golden thistle

• invasive non-native
Perennial herb

Scopulophila rixfordii Rixford's rock wort, Rixford's rockwort

native
Perennial herb

Scouleria aquatica Blackmat splashzone moss

native
Moss

SCOULERIACEAE

Scouleria marginata Marginate splashzone moss

native
Moss

SCOULERIACEAE

Scribneria bolanderi Scribner's grass, Scribneria

native
Annual grass

Scrophularia atrata Black flowered figwort, Darkflowered figwort

• rare native
Perennial herb

Scrophularia californica California bee plant, California figwort

native
Perennial herb

Scrophularia desertorum Desert figwort

native
Perennial herb

Scrophularia lanceolata Lanceleaf figwort, Mountain figwort

native
Perennial herb

Scrophularia peregrina Mediterranean figwort

non-native
Annual herb

Scrophularia villosa Santa catalina figwort

• rare native
Shrub

Scutellaria antirrhinoides Nose skullcap, Snapdragon skullcap

native
Perennial herb

Scutellaria bolanderi Bolander's skullcap, Sierra skullcap

native
Perennial herb

Scutellaria bolanderi ssp. austromontana Southern skullcap

• rare native
Perennial herb (rhizomatous)

Scutellaria bolanderi ssp. austromontana

Scutellaria bolanderi ssp. bolanderi Bolander's skullcap, Sierra skullcap

native
Perennial herb

Scutellaria californica California skullcap

native
Perennial herb

Scutellaria epilobiifolia Marsh skullcap

• rare native
Perennial herb (rhizomatous)

Scutellaria galericulata Marsh skullcap

• rare native
Perennial herb (rhizomatous)

Scutellaria lateriflora Blue skullcap, Mad dog skullcap

• rare native
Perennial herb (rhizomatous)

Salazaria mexicana Mexican bladdersage, Paperbag bush

native
Shrub

Scutellaria mexicana Mexican bladdersage, Paperbag bush

native
Shrub

Scutellaria nana Dwarf skullcap, Little skullcap

native
Perennial herb (rhizomatous)

Scutellaria angustifolia Curve flowered skullcap, Gray leaved skullcap, Grayleaf skullcap

native
Perennial herb

Scutellaria siphocampyloides Curve flowered skullcap, Gray leaved skullcap, Grayleaf skullcap

native
Perennial herb

Scutellaria tuberosa Danny's skullcap, Scullcap

native
Perennial herb

Rhus lancea African sumac

non-native
Tree

Searsia lancea African sumac

non-native
Tree

Secale cereale Cereal rye

non-native
Annual grass

Sedella leiocarpa Lake county stonecrop

• rare native
Annual herb

Sedella pentandra Mt. Hamilton mock stonecrop

native
Annual herb

Parvisedum pumilum Sierra mock stonecrop

native
Annual herb

Sedella pumila Sierra mock stonecrop

native
Annual herb

Sedum albomarginatum Feather river stonecrop

• rare native
Perennial herb

Sedum album White stonecrop

non-native
Perennial herb

Sedum album var. micranthum White stonecrop

non-native
Perennial herb

Sedum citrinum Blue creek stonecrop

• rare native
Perennial herb

Sedum divergens Cascade stonecrop, Pacific stonecrop

• rare native
Perennial herb

Sedum laxum ssp. eastwoodiae Red mountain sedum, Red mountain stonecrop, Red mtn. stonecrop

native
Perennial herb

Sedum lanceolatum Lance leaf stonecrop, Spearleaf stonecrop

native
Perennial herb

Sedum laxum Rose flowered stonecrop, Roseflower stonecrop

native
Perennial herb

Sedum laxum ssp. flavidum Rose flowered stonecrop, Roseflower stonecrop

native
Perennial herb

Sedum heckneri Heckner's stonecrop

• rare native
Perennial herb

Sedum laxum ssp. heckneri Heckner's stonecrop

• rare native
Perennial herb

Sedum laxum ssp. laxum Rose flowered stonecrop, Roseflower stonecrop

native
Perennial herb

Sedum niveum Davidson's stonecrop

• rare native
Perennial herb (rhizomatous)

Sedum oblanceolatum Applegate stonecrop, Oblongleaf stonecrop

• rare native
Perennial herb

Sedum obtusatum Sierra stonecrop

native
Perennial herb

Sedum obtusatum ssp. boreale Sierra gormania, Small flowered sierra stonecrop

native
Perennial herb

Sedum obtusatum ssp. obtusatum Sierra stonecrop

native
Perennial herb

Sedum obtusatum ssp. retusum Klamath stonecrop, Sierra stonecrop

native
Perennial herb

Sedum oreganum Oregon stonecrop

native
Perennial herb

Sedum oreganum ssp. tenue Oregon stonecrop

native
Perennial herb

Sedum oreganum var. oreganum Oregon stonecrop

native
Perennial herb

Sedum oregonense Cream stonecrop

native
Perennial herb

Sedum obtusatum ssp. paradisum Canyon creek stonecrop

native
Perennial herb

Sedum paradisum Canyon creek stonecrop

native
Perennial herb

Sedum paradisum ssp. paradisum

native
Perennial herb

Sedum dendroideum Green cockscomb

non-native
Perennial herb

Sedum radiatum Coast range stonecrop

native
Annual herb

Sedum sanhedrinum Sanhedrin stonecrop

native
Perennial herb

Sedum spathulifolium Broadleaf stonecrop, Pacific stonecrop, Stone crop

native
Perennial herb

Sedum stenopetalum Narrow leaf stonecrop, Wormleaf stonecrop

native
Perennial herb

Selaginella arizonica Arizona spikemoss

native
Fern (rhizomatous)

Selaginella asprella Bluish spike moss, Bluish spikemoss

• rare native

Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss

native

Selaginella cinerascens Ashy spike moss, Mesa spikemoss

• rare native

Selaginella densa Lesser spikemoss

native

Selaginella eremophila Desert spike moss, Desert spikemoss

• rare native

Selaginella hansenii Hansen's spike moss, Hansen's spikemoss

native

Selaginella kraussiana Krauss' spikemoss

non-native

Selaginella leucobryoides Mojave spike moss, Mojave spikemoss

• rare native

Selaginella oregana Oregon spike moss, Oregon spikemoss

native

Selaginella scopulorum Rocky mountain spike-moss

• rare native

Selaginella wallacei Wallace moss fern, Wallace's spike moss, Wallace's spikemoss

native

Selaginella watsonii Watson's spike moss, Watson's spikemoss

native

Senecio aphanactis California groundsel, Chaparral ragwort, Rayless ragwort

• rare native
Annual herb

Senecio aronicoides California butterweed, California groundsel, California rayless butterweed

native
Perennial herb

Senecio blochmaniae Dune ragwort

• rare native
Shrub

Senecio californicus California butterweed, California groundsel, California ragwort

native
Annual herb

Senecio clarkianus Clark's ragwort

native
Perennial herb

Senecio elegans Redpurple ragwort

non-native
Annual herb

Senecio flaccidus Shrubby ragwort, Threadleaf ragwort

native
Shrub

Senecio flaccidus var. flaccidus Shrubby ragwort, Threadleaf ragwort

native
Shrub

Senecio flaccidus var. monoense Shrubby ragwort, Threadleaf ragwort

native
Shrub

Senecio flaccidus var. douglasii Bush groundsel, Bush senecio, Douglas' groundsel

native
Shrub

Senecio flaccidus var. monoensis Mono groundsel, Mono ragwort

native
Shrub

Senecio fremontii Dwarf mountain ragwort, Fremont's groundsel

native
Perennial herb

Senecio fremontii ssp. blitoides Dwarf mountain ragwort, Fremont's groundsel

native
Perennial herb

Senecio fremontii var. fremontii Dwarf mountain ragwort, Fremont's groundsel

native
Perennial herb

Senecio fremontii var. occidentalis Dwarf mountain ragwort, Western fremont's groundsel

native
Perennial herb

Senecio glomeratus Cutleaf burnweed

• invasive non-native
Annual, Perennial herb

Senecio hydrophiloides Sweet marsh ragwort, Tall groundwel

• rare native
Perennial herb

Senecio hydrophilus Alkali marsh ragwort, Water groundsel, Water ragwort

native
Perennial herb

Senecio integerrimus Lambstongue ragwort, Mountain butterweed

native
Perennial herb

Senecio lugens Lambstongue ragwort, Mountain butterweed

native
Perennial herb

Senecio integerrimus var. exaltatus Columbia mountain butterweed, Columbia ragwort, Groundsel

native
Perennial herb

Senecio integerrimus var. major Lambstongue groundsel, Lambstongue ragwort

native
Perennial herb

Senecio integerrimus var. ochroleucus Paleyellow ragwort, White flowered mountain butterweed

native
Perennial herb

Senecio jacobaea Stinking willie, Tansy ragwort

• invasive non-native
Perennial herb

Senecio linearifolius var. linearifolius Linear-leaved australian fireweed

non-native
Annual, Perennial herb

Senecio linearifolius var. linearifolius

Senecio lyonii Island senecio, Lyon's ragwort

native
Shrub

Erechtites minima Coastal burnweed

non-native
Annual, Perennial herb

Senecio minimus Coastal burnweed

non-native
Annual, Perennial herb

Senecio mohavensis Mojave groundsel, Mojave ragwort

native
Annual herb

Senecio pattersonensis Mono ragwort, Patterson's senecio

• rare native
Perennial herb (rhizomatous)

Senecio scorzonella Sierra ragwort

native
Perennial herb

Senecio serra Tall ragwort

native
Perennial herb

Senecio serra var. admirabilis Tall ragwort

native
Perennial herb

Senecio serra var. serra Tall ragwort

native
Perennial herb

Senecio spartioides Broom groundsel, Broomlike ragwort

native
Perennial herb

Senecio spartioides var. multicapitatus Broom groundsel, Broomlike ragwort

native
Perennial herb

Senecio squalidus Oxford ragwort

• invasive non-native
Perennial herb

Senecio sylvaticus Woodland groundsel, Woodland ragwort

non-native
Annual herb

Senecio triangularis Arrow leaved ragwort, Arrowhead butterweed, Arrowleaf ragwort

native
Perennial herb

Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring

non-native
Annual herb

Acacia greggii Catclaw, devil's claw

native
Shrub

Senegalia greggii Catclaw, devil's claw

native
Shrub

Senna alata Emperor's candlesticks

non-native
Annual herb, Perennial herb, Shrub

Senna armata Desert senna, Spiny senna

native
Shrub

Cassia artemisioides Silver senna

non-native
Shrub

Senna artemisioides Silver senna

non-native
Shrub

Senna covesii Coves' cassia, Coves's cassia

• rare native
Perennial herb

Cassia didymobotrya African senna, African wild cassia

non-native
Shrub

Senna didymobotrya African senna, African wild cassia

non-native
Shrub

Senna marilandica Maryland senna

non-native
Shrub

Senna multiglandulosa Glandular cassia

non-native
Shrub

Senna obtusifolia Blunt leafed senna, Java bean

• invasive non-native
Annual, Perennial herb

Sequoia sempervirens Coast redwood

native
Tree

Sequoiadendron giganteum Giant sequoia, Sierra redwood, big tree

native
Tree

Sericocarpus oregonensis Oregon whitetop aster

native
Perennial herb

Aster oregonensis ssp. californicus Oregon whitetop aster

native
Perennial herb

Sericocarpus oregonensis ssp. californicus Oregon whitetop aster

native
Perennial herb

Sericocarpus oregonensis ssp. californicus

Sericocarpus oregonensis var. californicus Oregon whitetop aster

native
Perennial herb

Sericocarpus oregonensis var. californicus

Sericocarpus oregonensis ssp. oregonensis Oregon whitetop aster

native
Perennial herb

Sericocarpus oregonensis ssp. oregonensis

Sesbania exaltata Bigpod sesbania

native
Annual herb

Sesbania herbacea Bigpod sesbania

native
Annual herb

Sesbania punicea Red sesbania, Rattlebox

• invasive non-native
Shrub

Sesuvium verrucosum Verrucose seapurslane, Western sea purslane

native
Perennial herb

Setaria adhaerens Bur bristlegrass

non-native
Annual grass

Setaria faberi Foxtail, Japanese bristlegrass

• invasive non-native
Annual grass

Setaria italica Foxtail bristlegrass

non-native
Annual grass

Setaria leucopila Streambed bristlegrass

non-native
Annual grass

Setaria megaphylla Bigleaf bristlegrass

non-native
Annual grass

Setaria palmifolia Palmgrass

non-native
Annual grass

Setaria parviflora Marsh bristlegrass

native
Perennial grass

Setaria pumila Yellow bristlegrass

non-native
Annual grass

Setaria glauca Yellow foxtail

non-native
Annual grass

Setaria pumila ssp. pumila Yellow foxtail

non-native
Annual grass

Setaria sphacelata var. anceps African bristlegrass

non-native
Perennial grass

Setaria verticillata Hooked bristlegrass

non-native
Annual grass

Setaria viridis Green bristlegrass, Green foxtail

non-native
Annual grass

Setaria viridis ssp. pachystachys Green bristlegrass, Green foxtail

non-native
Annual grass

Setaria viridis var. viridis Green bristlegrass, Green foxtail

non-native
Annual grass

Shepherdia argentea Buffalo berry, Silver buffaloberry

native
Tree, Shrub

ELAEAGNACEAE

Shepherdia canadensis Russet buffaloberry

• rare native
Tree, Shrub

ELAEAGNACEAE

Sherardia arvensis Blue fieldmadder, Field madder

non-native
Annual herb

Sibara deserti Desert rock cress, Desert winged rockcress

• rare native
Annual herb

Sibara filifolia Island rockcress, Santa cruz island rock cress, Santa cruz island winged rockcress

• rare native
Annual herb

Sibaropsis hammittii Hammitt's claycress

• rare native
Annual herb

Sibbaldia procumbens Creeping sibbaldia, Sibbaldia

native
Perennial herb

Sida abutifolia Spreading fanpetals

non-native
Annual herb

Sida rhombifolia Cuban jute

non-native
Annual herb

Sidalcea asprella ssp. asprella Harsh checkerbloom, sierra foothills checkerbloom

native
Perennial herb

Sidalcea malviflora ssp. asprella Harsh checkerbloom, sierra foothills checkerbloom

native
Perennial herb

Sidalcea calycosa Annual checkerbloom, Checker mallow, Pt. reyes sidalcea

native
Annual herb

Sidalcea calycosa ssp. calycosa Annual checkerbloom, Checker mallow

native
Annual herb

Sidalcea calycosa ssp. rhizomata Point reyes checkerbloom, Pt. reyes checkerbloom, Pt. reyes sidalcea

• rare native
Perennial herb (rhizomatous)

Sidalcea celata Redding checkerbloom

• rare native
Perennial herb

Sidalcea covillei Owens valley checkerbloom, Owens valley sidalcea

• rare native
Perennial herb

Sidalcea diploscypha Fringed checker mallow, Fringed checkerbloom, Fringed sidalcea

native
Annual herb

Sidalcea gigantea Giant checkerbloom

• rare native
Perennial herb

Sidalcea glaucescens Glaucous checker mallow, Waxy checkerbloom, Waxy checkermallow

native
Perennial herb

Sidalcea hartwegii Hartweg sidalcea, Hartweg's checkerbloom, Valley checkerbloom

native
Annual herb

Sidalcea hendersonii Henderson's checkerbloom

non-native
Perennial herb (rhizomatous)

Sidalcea hickmanii ssp. anomala Cuesta pass checkerbloom

• rare native
Perennial herb

Sidalcea hickmanii ssp. napensis Napa checkerbloom

• rare native
Perennial herb

Sidalcea hickmanii ssp. parishii Parish's checkerbloom

• rare native
Perennial herb

Sidalcea hirsuta Hairy checkerbloom

native
Annual herb

Sidalcea keckii Keck's checkerbloom

• rare native
Annual herb

Sidalcea malachroides Maple leaved checkerbloom, Mapleleaf checkerbloom

• rare native
Perennial herb

Sidalcea malvaeflora var. laciniata Checker bloom, Checker mallow, Dwarf checkerbloom

native
Perennial herb

Sidalcea malviflora Checker bloom, Checker mallow, Dwarf checkerbloom

native
Perennial herb

Sidalcea malviflora ssp. dolosa Deceitful checker mallow, Dwarf checkerbloom

• rare native
Perennial herb (rhizomatous)

Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow

native
Perennial herb (rhizomatous)

Sidalcea malviflora ssp. malviflora Checker mallow, Dwarf checkerbloom

native
Perennial herb (rhizomatous)

Sidalcea malviflora ssp. patula Siskiyou checkerbloom

• rare native
Perennial herb (rhizomatous)

Sidalcea malviflora ssp. purpurea Dwarf checkerbloom, Purple checkerbloom

• rare native
Perennial herb (rhizomatous)

Sidalcea malviflora ssp. rostrata Dwarf checkerbloom

native
Perennial herb

Sidalcea multifida Cut leaf checker mallow, Cutleaf checkerbloom

• rare native
Perennial herb

Sidalcea neomexicana Mountain sidalcea, Salt spring checkerbloom

• rare native
Perennial herb

Sidalcea oregana Oregon checker mallow, Oregon checkerbloom

native
Perennial herb

Sidalcea oregana ssp. valida; Oregon checker mallow, Oregon checkerbloom

native
Perennial herb

Sidalcea oregana ssp. hydrophila Marsh checkerbloom, Oregon checkerbloom

• rare native
Perennial herb

Sidalcea oregana ssp. oregana Oregon checker mallow, Oregon checkerbloom

native
Perennial herb

Sidalcea oregana ssp. spicata Oregon checker mallow, Oregon checkerbloom, Spicate checker mallow

native
Perennial herb

Sidalcea oregana ssp. valida Kenwood marsh checkerbloom

• rare native
Perennial herb (rhizomatous)

Sidalcea pedata Bird foot checkerbloom, Birdfoot checkerbloom

• rare native
Perennial herb

Sidalcea ranunculacea Marsh checker mallow, Marsh checkerbloom

native
Perennial herb

Sidalcea reptans Sierra checker mallow, Sierra checkerbloom

native
Perennial herb

Sidalcea robusta Butte county checkerbloom

• rare native
Perennial herb (rhizomatous)

Sidalcea sparsifolia Southern checkerbloom

native
Perennial herb (rhizomatous)

Sidalcea stipularis Scadden flat checkerbloom

• rare native
Perennial herb (rhizomatous)

Sidotheca caryophylloides Chickweed oxytheca

• rare native
Annual herb

Sidotheca emarginata White margined oxytheca

• rare native
Annual herb

Sidotheca trilobata Three lobed oxytheca

native
Annual herb

Silene antirrhina Sleepy catch fly, Sleepy catchfly, Sleepy silene

native
Annual herb

Silene aperta Bare campion, Naked catchfly

• rare native
Perennial herb

Silene bernardina Palmer's campion, Palmer's catchfly

native
Perennial herb

Silene bernardina ssp. maguirei Palmer's campion, Palmer's catchfly

native
Perennial herb

Silene bolanderi Bolander's silene

native
Perennial herb

Silene bridgesii Bridges campion, Bridges' campion, Bridges' catchfly

native
Perennial herb

Silene campanulata Campanulate campion, Red mountain catchfly

native
Perennial herb

Silene campanulata ssp. campanulata Red mountain catchfly, Red mtn. catchfly

• rare native
Perennial herb

Silene campanulata ssp. glandulosa Bell catchfly, Campanulate catchfly, Red mountain catchfly

native
Perennial herb

Silene coniflora Fire following campion

non-native
Annual herb

Silene multinervia Fire following campion

non-native
Annual herb

Silene douglasii Douglas catchfly, Douglas' campion, Douglas's catchfly

native
Perennial herb

Silene douglasii var. douglasii Douglas's catchfly

native
Perennial herb

Silene gallica Common catchfly, Windmill pink

non-native
Annual herb

Silene grayi Gray's campion, Maui catchfly

native
Perennial herb

Silene hookeri Hooker's campion, Hooker's silene

native
Perennial herb

Silene invisa Red fir catchfly, Short petaled campion

native
Perennial herb

Silene krantzii Krantz's catchfly

• rare native
Perennial herb

Silene laciniata Cardinal catchfly

native
Perennial herb

Silene laciniata ssp. greggii Cardinal catchfly

native
Perennial herb

Silene californica California indian pink

native
Perennial herb

Silene laciniata ssp. californica California indian pink

native
Perennial herb

Silene laciniata ssp. laciniata Cardinal catchfly

native
Perennial herb

Silene alba Bladder campion

non-native
Perennial herb

Silene latifolia Bladder campion

non-native
Perennial herb

Silene latifolia ssp. alba Bladder campion

non-native
Perennial herb

Silene lemmonii Lemmon campion, Lemmon's catchfly

native
Perennial herb

Silene marmorensis Marble mountain catchfly, Marble mtn. campion

• rare native
Perennial herb

Silene menziesii Menzies' campion

native
Perennial herb

Silene noctiflora Night flowering campion, Nightflowering silene

non-native
Annual herb

Silene nuda Naked campion, Western fringed catchfly

native
Perennial herb

Silene occidentalis Western campion, Western catchfly

native
Perennial herb

Silene occidentalis ssp. longistipitata Western campion, Western catchfly

• rare native
Perennial herb

Silene oregana Oregon campion, Oregon silene

• rare native
Perennial herb

Silene parishii Parish's campion, Parish's catchfly

native
Perennial herb

Silene salmonacea Klamath mountain catchfly

• rare native
Perennial herb

Silene sargentii Sargent's campion, Sargent's catchfly

native
Perennial herb

Silene scouleri Simple campion

native
Perennial herb

Silene scouleri ssp. pringlei Simple campion

native
Perennial herb

Silene scouleri ssp. grandis Simple campion

• rare native
Perennial herb

Silene scouleri ssp. scouleri Simple campion

• rare native
Perennial herb

Silene serpentinicola Serpentine catchfly

• rare native
Perennial herb (rhizomatous)

Silene suksdorfii Cascade alpine campion, Cascade alpine catchfly, Suksdorf's silene

• rare native
Perennial herb

Silene verecunda Dolores campion, San francisco campion

native
Perennial herb

Silene cucubalus Bladder campion, Common campion

non-native
Perennial herb

Silene vulgaris Bladder campion, Common campion

non-native
Perennial herb

Silene vulgaris ssp. vulgaris Bladder campion, Common campion

non-native
Perennial herb

Silybum marianum Blessed milkthistle, Milk thistle

• invasive non-native
Annual, Perennial herb

Simmondsia chinensis Jojoba; goatnut, Jojobe

native
Shrub

SIMMONDSIACEAE

Plagiobothrys jonesii Simpson's popcornflower, mojave popcornflower

native
Annual herb

Sinapis alba White mustard

non-native
Annual herb

Brassica kaber Charlock mustard

• invasive non-native
Annual herb

Sinapis arvensis Charlock mustard

• invasive non-native
Annual herb

Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard

non-native
Annual herb

Sisymbrium irio London rocket

• invasive non-native
Annual herb

Sisymbrium loeselii Rocket, Small tumbleweed mustard

non-native
Annual herb

Sisymbrium officinale Hedge mustard, Hedgemustard

non-native
Annual herb

Sisymbrium orientale Indian hedge mustard, Oriental hedge mustard

non-native
Annual, Perennial herb

Sisyrinchium bellum Western blue eyed grass

native
Perennial herb

Sisyrinchium californicum California golden eyed grass, Golden blue eyed grass, Yellow eyed grass

native
Perennial herb

Sisyrinchium demissum Stiff blue-eyed grass

non-native
Perennial herb

Sisyrinchium elmeri Drew goldeneyed grass, Elmer's blue eyed grass, Elmer's golden eyed grass

native
Perennial herb

Sisyrinchium funereum Death valley blue eyed grass, Funeral mountain blue eyed grass

• rare native
Perennial herb

Sisyrinchium halophilum Nevada blue eyed grass

native
Perennial herb

Sisyrinchium hitchcockii Hitchcock's blue eyed grass

• rare native
Perennial herb (rhizomatous)

Sisyrinchium idahoense Idaho blue eyed grass

native
Perennial herb

Sisyrinchium idahoense var. occidentale Idaho blue eyed grass

native
Perennial herb

Sisyrinchium longipes Timberland blue eyed grass

• rare native
Perennial herb

Sisyrinchium rosulatum Blue pigroot

non-native
Perennial herb

Sisyrinchium minus Dwarf blue eyed grass

non-native
Perennial herb

Sium suave Hemlock water parsnip, Hemlock waterparsnip

native
Perennial herb

Smelowskia ovalis Alpine false candytuft

• rare native
Perennial herb

Smilax californica California greenbriar, California greenbrier, Greenbriar

native
Perennial herb, Vine

SMILACACEAE

Smilax jamesii English peak greenbriar, English peak greenbrier

• rare native
Perennial herb (rhizomatous)

SMILACACEAE

Solanum americanum American black nightshade, Common nightshade, Small flowered nightshade

native
Annual, Perennial herb

Solanum nodiflorum American black nightshade, Common nightshade, Small flowered nightshade

native
Annual, Perennial herb

Solanum aviculare New Zealand nightshade

• invasive non-native
Shrub

Solanum cardiophyllum Heartleaf horsenettle

non-native
Annual, Perennial herb

Solanum carolinense Carolina horse nettle, Carolina horsenettle

• invasive non-native
Perennial herb

Solanum clokeyi Clokey's nightshade, Island nightshade, Santa cruz id. nightshade

• rare native
Perennial herb

Solanum dimidiatum Torrey's nightshade, Western horsenettle

• invasive non-native
Perennial herb

Solanum douglasii Douglas' nightshade, Greenspot nightshade

native
Perennial herb

Solanum dulcamara Bittersweet, Climbing nightshade

non-native
Vine, Shrub

Solanum elaeagnifolium Horse nettle, Silver leaved horsenettle, Silverleaf nightshade

• invasive non-native
Perennial herb

Solanum furcatum Forked nightshade

non-native
Perennial herb, Shrub

Solanum heterodoxum Melonleaf nightshade

native
Annual, Perennial herb

Solanum jasminoides Jasmine nightshade

non-native
Annual herb

Solanum laciniatum Kangaroo apple

• invasive non-native
Shrub

Solanum lanceolatum Lance leaf nightshade, Orangeberry nightshade

• invasive non-native
Shrub

Solanum marginatum Purple african nightshade, White margined nightshade

• invasive non-native
Shrub

Solanum nigrum Black nightshade

non-native
Annual herb

Solanum nigrum ssp. nigrum Black nightshade

non-native
Annual herb

Solanum parishii Nightshade, Parish's nightshade, Parish's purple nightshade

native
Shrub

Solanum physalifolium var. nitidibaccatum Nightshade

non-native
Annual herb

Solanum physalifolium var. nitidibaccatum

Solanum rostratum Buffalo berry, Buffalobur nightshade

non-native
Annual herb

Solanum sisymbriifolium Sticky nightshade

non-native
Annual herb

Solanum torvum Turkey berry

non-native
Annual herb

Solanum triflorum Cutleaf nightshade, Three flowered nightshade

non-native
Annual herb

Solanum tuberosum Irish potato

non-native
Shrub

Solanum umbelliferum Blue witch nightshade, Bluewitch nightshade

native
Shrub

Solanum wallacei Catalina nightshade, Northern island nightshade, Wallace's nightshade

• rare native
Perennial herb

Solanum xanti Chaparral nightshade, Nightshade, Purple nightshade

native
Perennial herb, Shrub

Soleirolia soleirolii Baby's tears, Mother of thousands

non-native
Annual herb

Solidago altissima Canada goldenrod

native
Perennial herb

Solidago altissima ssp. altissima Late goldenrod

non-native
Perennial herb

Solidago canadensis Canada goldenrod

native
Perennial herb

Solidago confinis Southern goldenrod

native
Perennial herb

Solidago canadensis ssp. elongata West coast canada goldenrod

native
Perennial herb

Solidago elongata West coast canada goldenrod

native
Perennial herb

Solidago guiradonis Guirado goldenrod, Guirado's goldenrod

• rare native
Perennial herb (rhizomatous)

Solidago canadensis var. salebrosa Western goldenrod

• rare native
Perennial herb (rhizomatous)

Solidago gigantea Western goldenrod

• rare native
Perennial herb (rhizomatous)

Solidago lepida var. salebrosa Western goldenrod

• rare native
Perennial herb (rhizomatous)

Solidago multiradiata Northern goldenrod, Rocky mountain goldenrod

native
Perennial herb

Solidago multiradiata var. scopulorum Northern goldenrod, Rocky mountain goldenrod

native
Perennial herb

Solidago simplex var. randii Dune goldenrod

native
Perennial herb

Solidago simplex var. simplex Dune goldenrod

native
Perennial herb

Solidago spathulata Dune goldenrod

native
Perennial herb

Solidago missouriensis Nevada goldenrod, Showy goldenrod

native
Perennial herb

Solidago spectabilis Nevada goldenrod, Showy goldenrod

native
Perennial herb

Solidago velutina Threenerve goldenrod

native
Perennial herb

Solidago californica California goldenrod, Oreja de liebre

native
Perennial herb

Solidago velutina ssp. californica California goldenrod, Oreja de liebre

native
Perennial herb

Solidago sparsiflora Great basin goldenrod

native
Perennial herb

Solidago velutina ssp. sparsiflora Great basin goldenrod

native
Perennial herb

Soliva sessilis Common soliva, Field burrweed, South american soliva

non-native
Annual herb

Sonchus arvensis Field sowthistle, Perennial sow thistle

• invasive non-native
Perennial herb

Sonchus arvensis var. uliginosus Field sowthistle, Perennial sow thistle

• invasive non-native
Perennial herb

Sonchus arvensis ssp. arvensis Field sowthistle

non-native
Perennial herb

Sonchus arvensis ssp. uliginosus Moist sowthistle

non-native
Perennial herb

Sonchus asper Spiny sowthistle

non-native
Annual herb

Sonchus asper ssp. asper Prickly sow thistle, Sow thistle

• invasive non-native
Annual herb

Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle

non-native
Annual herb

Sonchus tenerrimus Slender sow thistle, Slender sowthistle

non-native
Annual herb

Plagiobothrys hispidus Cascade popcornflower

native
Annual herb

Sophora japonica Japanese pagoda tree

non-native
Tree

Sorbus aucuparia European mountain ash, European mountain rowan

non-native
Tree

Sorbus aucuparia ssp. aucuparia European mountain ash, European mountain rowan

non-native
Tree

Sorbus aucuparia ssp. glabrata European mountain ash, European mountain rowan

non-native
Tree

Sorbus californica California mountain ash

native
Shrub

Sorbus scopulina Greene's mountain ash

native
Shrub

Sorbus scopulina var. cascadensis Greene's mountain ash

native
Shrub

Sorbus scopulina var. scopulina Greene's mountain ash

native
Shrub

Sorbus sitchensis Western mountain ash

native
Tree, Shrub

Sorbus sitchensis var. grayi Sitka mountain ash, Western mountain ash

native
Tree, Shrub

Sorbus sitchensis var. sitchensis Sitka mountain ash

native
Tree, Shrub

Sorghum almum Columbus grass

non-native
Annual grass

Sorghum bicolor Sorghum

non-native
Annual grass

Sorghum arundinaceum Common wild sorghum

non-native
Annual grass

Sorghum bicolor ssp. bicolor Grain sorghum

non-native
Annual grass

Sorghum halepense Johnsongrass

• invasive non-native
Perennial grass

Sparaxis grandiflora Large flowered harlequin flower

non-native
Perennial herb

Sparaxis tricolor Harlequin flower, Wandflower

non-native
Perennial herb

Sparganium angustifolium Narrow leaved bur reed, Narrowleaf bur reed

native
Perennial herb

Sparganium emersum European bur reed

native
Perennial herb

Sparganium erectum ssp. neglectum Simplestem bur reed

native
Perennial herb

Sparganium californicum Broadfruit bur reed

native
Perennial herb

Sparganium eurycarpum Broadfruit bur reed

native
Perennial herb

Sparganium eurycarpum var. eurycarpum Broadfruit bur reed

native
Perennial herb

Sparganium erectum ssp. stoloniferum Bur reed

native
Perennial herb

Sparganium eurycarpum var. greenei Bur reed

native
Perennial herb

Sparganium natans Small bur reed

• rare native
Perennial herb (rhizomatous)

Spartina alterniflora Salt water cord grass, Smooth cordgrass

• invasive non-native
Perennial grass

Spartina anglica Common cordgrass

• invasive non-native
Perennial grass

Spartina densiflora Dense flowered cord grass, Denseflower cordgrass

• invasive non-native
Perennial grass

Spartina foliosa California cord grass, California cordgrass, Pacific cordgrass

native
Perennial grass

Spartina gracilis Alkali cord grass, Alkali cordgrass

• rare native
Perennial grass (rhizomatous)

Spartina patens Salt meadow cord grass, Saltmeadow cordgrass

• invasive non-native
Perennial grass

Spartium junceum Gorse, Spanish broom

• invasive non-native
Shrub

Spergula arvensis Corn spurry

non-native
Annual herb

Spergularia atrosperma Blackseed sandspurry, Sand spurrey

native
Annual herb

Spergularia bocconi Boccone's sand spurry

non-native
Annual herb

Spergularia canadensis var. canadensis Canadian sandspurry

native
Annual herb

Spergularia macrotheca Large flowered sand spurry, Sticky sand spurry, Sticky sandspurry

native
Perennial herb

Spergularia macrotheca var. leucantha Sticky sandspurry, White sticky sand spurry

native
Perennial herb

Spergularia macrotheca var. longistyla Long styled sand spurrey, Sticky sandspurry

• rare native
Perennial herb

Spergularia macrotheca var. macrotheca Sand spurrey, Sticky sand spurry, Sticky sandspurry

native
Perennial herb

Spergularia marina Salt marsh sand spurry

native
Annual herb

Spergularia media Coast sand spurry, Sand spurry

non-native
Annual, Perennial herb

Spergularia media var. media Sand spurry

non-native
Annual, Perennial herb

Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry

non-native
Annual, Perennial herb

Spergularia villosa Hairy sand spurrey, Hairy sandspurry, Villous sand spurry

non-native
Perennial herb

Spermolepis echinata Bristly scaleseed, Bristly spermolepis

native
Annual herb

Spermolepis infernensis Hellhole scaleseed

• rare native
Annual herb

Sphaeralcea ambigua Apricot mallow, Desert globemallow, Desert mallow

native
Perennial herb

Sphaeralcea ambigua ssp. violacea Apricot mallow, Desert globemallow, Desert mallow

native
Perennial herb

Sphaeralcea ambigua var. ambigua Apricot mallow, Mountain apricot mallow

native
Perennial herb

Sphaeralcea parvifolia Apricot mallow, Mountain apricot mallow

native
Perennial herb

Sphaeralcea ambigua ssp. rosacea Rosy apricot mallow

native
Perennial herb

Sphaeralcea ambigua var. rosacea Rosy apricot mallow

native
Perennial herb

Sphaeralcea ambigua var. rugosa Apricot mallow, Desert globemallow

native
Perennial herb

Sphaeralcea angustifolia Copper globemallow, Narrow leaved desert mallow

native
Shrub (stem succulent)

Sphaeralcea coulteri Coulter's globemallow

native
Annual herb

Sphaeralcea emoryi Emory's globemallow

native
Perennial herb

Sphaeralcea emoryi var. emoryi Emory's desert mallow, Emory's globemallow

native
Perennial herb

Sphaeralcea grossulariifolia Gooseberryleaf globemallow

• rare native
Perennial herb, Shrub

Sphaeralcea laxa Caliche globemallow

non-native
Perennial herb, Shrub

Sphaeralcea munroana Munro's globemallow

• rare native
Perennial herb

Sphaeralcea munroana ssp. munroana Munro's globemallow

• rare native
Perennial herb

Sphaeralcea orcuttii Carrizo creek globemallow, Carrizo mallow

native
Annual, Perennial herb

Sphaeralcea rusbyi var. eremicola Rusby's desert mallow

• rare native
Perennial herb

Sphaerocarpos drewei Bottle liverwort

• rare native
Liverwort

SPHAEROCARPACEAE

Sphaeromeria cana Gray chickensage, Tansy

native
Perennial herb

Sphaeromeria potentilloides Cinquefoil tansy, Fivefinger chickensage

native
Perennial herb

Sphaeromeria potentilloides var. nitrophila Cinquefoil tansy, Fivefinger chickensage

• rare native
Perennial herb

Sphaeromeria potentilloides var. nitrophila

Sphaeromeria potentilloides var. potentilloides Cinquefoil tansy, Fivefinger chickensage

native
Perennial herb

Sphaeromeria potentilloides var. potentilloides

Sphaerophysa salsula Alkali swainsonpea, Austrian peaweed

• invasive non-native
Perennial herb

Cyathea cooperi Cooper's tree fern

non-native
Perennial herb

CYATHEACEAE

Sphenopholis obtusata Prairie wedge grass, Prairie wedgescale, Wedgegrass

• rare native
Perennial grass

Spinacia oleracea Spinach

non-native
Annual herb

Spiraea douglasii Douglas spiraea, Douglas' spirea, Douglas's spirea

native
Shrub

Spiraea douglasii ssp. douglasii Douglas spiraea, Douglas' spirea, Douglas's spirea

native
Shrub

Spiraea douglasii var. menziesii Douglas spiraea, Douglas' spirea, Douglas's spirea

native
Shrub

Spiraea prunifolia Bridalwreath spirea

non-native
Shrub

Spiraea densiflora Rose meadowsweet

native
Shrub

Spiraea splendens Rose meadowsweet

native
Shrub

Spiraea splendens var. splendens Rose meadowsweet

native
Shrub

Spiranthes porrifolia Creamy ladies tresses, Creamy ladies' tresses, Western ladies tresses

native
Perennial herb

Spiranthes romanzoffiana Hooded ladies tresses, Hooded ladies' tresses, Ladies' tresses

native
Perennial herb

Spirodela polyrhiza Giant duckmeat

native
Perennial herb

Sporobolus airoides Alkali sacaton

native
Perennial grass

Sporobolus contractus Spike dropseed

native
Perennial grass

Sporobolus cryptandrus Sand dropseed

native
Perennial grass

Sporobolus flexuosus Mesa dropseed

native
Perennial grass

Sporobolus indicus Smut grass, Smutgrass

non-native
Perennial grass

Sporobolus indicus var. capensis Smut grass, Smutgrass

non-native
Perennial grass

Stachys ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle

native
Perennial herb

Stachys ajugoides ssp. pilosa Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle

native
Perennial herb

Stachys albens Cobwebby hedge nettle, White hedge nettle, Whitestem hedgenettle

native
Perennial herb

Stachys arvensis Annual hedge nettle, Field hedge nettle, Staggerweed

non-native
Annual herb

Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle

native
Perennial herb

Stachys byzantina Woolly hedgenettle

non-native
Perennial herb

Stachys chamissonis Coast hedge nettle, Coastal hedgenettle

native
Perennial herb

Stachys chamissonis var. cooleyae Coast hedge nettle, Coastal hedgenettle

native
Perennial herb

Stachys cooleyae Coast hedge nettle, Coastal hedgenettle

native
Perennial herb

Stachys ajugoides var. rigida Mexican hedgenettle

native
Perennial herb

Stachys mexicana Mexican hedgenettle

native
Perennial herb

Stachys palustris Marsh hedgenettle

native
Perennial herb

Stachys pilosa Prairie woundwort

• rare native
Perennial herb

Stachys pilosa var. pilosa Prairie woundwort

• rare native
Perennial herb

Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle

native
Perennial herb

Stachys rigida Rough hedgenettle

native
Perennial herb

Stachys rigida ssp. rigida Rough hedgenettle

native
Perennial herb

Stachys rigida ssp. quercetorum Rough hedgenettle

native
Perennial herb

Stachys rigida var. quercetorum Rough hedgenettle

native
Perennial herb

Stachys rigida var. rigida Rough hedgenettle

native
Perennial herb

Stachys stebbinsii Stebbins' hedgenettle

native
Perennial herb

Stachys stricta Sonoma hedge nettle, Sonoma hedgenettle

native
Perennial herb

Stanleya elata Panamint princesplume, Prince's plume

native
Perennial herb

Stanleya pinnata Desert princesplume, Prince's plume

native
Perennial herb, Shrub

Stanleya pinnata ssp. pinnata Desert princesplume, Prince's plume

native
Perennial herb, Shrub

Stanleya pinnata var. pinnata Desert princesplume, Prince's plume

native
Perennial herb, Shrub

Stanleya viridiflora Green flowered prince's plume, Green princesplume

• rare native
Perennial herb

Staphylea bolanderi Bladdernut, Sierra bladdernut

native
Tree, Shrub

STAPHYLEACEAE

Stebbinsoseris decipiens Santa Cruz microseris

• rare native
Annual herb

Stebbinsoseris heterocarpa Grassland stebbinsoseris

native
Annual herb

Stellaria borealis ssp. sitchana Boreal starwort, Northern starwort, Sitka starwort

native
Perennial herb

Stellaria calycantha Northern bogwort, Northern starwort

native
Perennial herb

Stellaria crispa Curled starwort, Ruffled starwort

native
Perennial herb

Stellaria graminea Grasslike starwort

non-native
Perennial herb

Stellaria littoralis Beach starwort, Shore chickweed, Shore starwort

• rare native
Perennial herb

Stellaria longifolia Long leaved starwort, Longleaf starwort

• rare native
Perennial herb (rhizomatous)

Stellaria longipes Longstalk starwort

native
Perennial herb

Stellaria longipes ssp. longipes Chickweed, starwort

native
Perennial herb

Stellaria media Chickweed

non-native
Annual herb

Stellaria neglecta Common chickweed

non-native
Annual herb

Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed

native
Annual herb

Stellaria obtusa Obtuse starwort, Rocky mountain chickweed

• rare native
Perennial herb (rhizomatous)

Stellaria pallida Pale starwort

non-native
Annual herb

Stellaria umbellata Umbellate chickweed, Umbrella starwort

native
Perennial herb

Stemodia durantifolia White woolly stemodia, Whitewoolly twintip

• rare native
Perennial herb

Stenanthium occidentale Western featherbells, Western stenanthium

native
Perennial herb

Stenocarpus sinuatus

non-native
Tree

Stenotaphrum secundatum Saint augustine grass, St. augustine grass

non-native
Perennial grass

Stenotus acaulis Stemless mock goldenweed

native
Perennial herb

Stenotus acaulis var. acaulis Stemless mock goldenweed

native
Perennial herb

Stenotus lanuginosus Woolly mock goldenweed, Woolly stenotus

native
Perennial herb

Stenotus lanuginosus var. lanuginosus Woolly stenotus

• rare native
Perennial herb

Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster

native
Perennial herb

Stephanomeria diegensis San diego milk aster, Wreathplant

native
Annual, Perennial herb

Stephanomeria elata Annual mitra, Santa barbara stephanomeria, Santa barbara wirelettuce

native
Annual herb

Stephanomeria exigua Small wirelettuce

native
Annual herb

Stephanomeria exigua ssp. coronaria Milk aster, White plume wirelettuce, Whiteplume wirelettuce

native
Annual herb

Stephanomeria exigua ssp. deanei Dean's stephanomeria, Deane's wirelettuce

native
Annual herb

Stephanomeria exigua ssp. exigua Mitra, Slender stephanomeria, Small wirelettuce

native
Annual herb

Stephanomeria lactucina Forest stephanomeria, Large flowered stephanomeria, Wirelettuce

native
Perennial herb

Stephanomeria paniculata Stiff branched stephanomeria, Tufted wirelettuce

native
Annual herb

Stephanomeria parryi Parry rock pink, Parry's stephanomeria, Parry's wirelettuce

native
Perennial herb

Stephanomeria pauciflora Brownplume wirelettuce, Desert straw, Wire lettuce

native
Perennial herb

Stephanomeria tenuifolia Narrow leaved stephanomeria, Narrow leaved wire lettuce, Wire lettuce

native
Perennial herb

Stephanomeria virgata Rod wirelettuce, Tall stephanomeria, Twiggy wreath plant

native
Annual herb

Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria, Wand stephanomeria, Wand wirelettuce

native
Annual herb

Stephanomeria virgata ssp. virgata Rod wirelettuce, Tall milk aster, Virgate stephanomeria

native
Annual herb

Stillingia linearifolia Linear leaved stillingia, Narrow leaved stillingia, Queen's root

native
Perennial herb

Stillingia paucidentata Mojave stillingia, Mojave toothleaf, Tooth leaf

native
Perennial herb

Stillingia spinulosa Annual stillingia, Annual toothleaf, Broad leaved stillingia

native
Annual, Perennial herb

Stipa arida Mormon needle grass

• rare native
Perennial grass

Stipa brachychaeta Puna needle grass

• invasive non-native
Perennial grass

Stipa capensis Cape ricegrass

• invasive non-native
Annual grass

Stipa cernua Nodding needle grass

native
Perennial grass

Stipa chaetophora Stipoid ricegrass

non-native
Perennial grass

Hesperostipa comata Needle-and-thread

native
Perennial grass

Stipa comata Needle-and-thread

native
Perennial grass

Hesperostipa comata ssp. comata Needle & thread grass

native
Perennial grass

Stipa comata var. comata Needle & thread grass

native
Perennial grass

Stipa coronata Crested needle grass

native
Perennial grass

Stipa diegoensis San diego county needle grass

• rare native
Perennial grass

Stipa divaricata Small-flowered rice grass

• rare native
Perennial grass

Stipa exigua Little ricegrass

• rare native
Perennial grass

Achnatherum hymenoides Indian rice grass, Sand grass

native
Perennial grass

Stipa hymenoides Indian rice grass, Sand grass

native
Perennial grass

Stipa kingii King's ricegrass

native
Perennial grass

Stipa latiglumis Wide-glumed needle grass

native
Perennial grass

Achnatherum lemmonii Lemmon's needle grass

native
Perennial grass

Stipa lemmonii Lemmon's needle grass

native
Perennial grass

Stipa lepida Foothill needle grass

native
Perennial grass

Stipa lettermanii Letterman's needle grass

native
Perennial grass

Stipa manicata Andean tussockgrass

• invasive non-native
Perennial grass

Ampelodesmos mauritanica Mauritanian grass

non-native
Perennial grass

Stipa mauritanica Mauritanian grass

non-native
Perennial grass

Oryzopsis miliacea Smilo grass

non-native
Perennial grass

Stipa miliacea Smilo grass

non-native
Perennial grass

Piptatherum miliaceum Smilo grass

• invasive non-native
Perennial grass

Stipa miliacea var. miliacea Smilo grass

• invasive non-native
Perennial grass

Stipa nelsonii Mountain needle grass

native
Perennial grass

Stipa nelsonii var. dorei Mountain needle grass

native
Perennial grass

Stipa nevadensis Nevada needle grass

native
Perennial grass

Stipa occidentalis Western needlegrass

native
Perennial grass

Stipa occidentalis var. californica California needle grass

native
Perennial grass

Stipa occidentalis var. occidentalis Western needle grass

native
Perennial grass

Stipa parishii var. parishii Parish's needlegrass

native
Perennial grass

Stipa pinetorum Pinewoods needle grass

native
Perennial grass

Nassella pulchra Purple needle grass

native
Perennial grass

Stipa pulchra Purple needle grass

native
Perennial grass

Stipa purpurata Bristly needle grass

non-native
Perennial grass

Achnatherum speciosum Desert needle grass

native
Perennial grass

Stipa speciosa Desert needle grass

native
Perennial grass

Stipa stillmanii Stillman's needle grass

native
Perennial grass

Nassella tenuissima Mexican feathergrass

• invasive non-native
Perennial grass

Stipa thurberiana Thurber's needle grass

native
Perennial grass

Stipa webberi Webber's needle grass

native
Perennial grass

Stokesia laevis Stokes' aster

non-native
Perennial herb

Strelitzia nicolai Bird-of-paradise -tree

non-native

STRELITZIACEAE

Strelitzia reginae Bird-of-paradise

non-native

STRELITZIACEAE

Streptanthella longirostris Long beaked twist flower, Longbeak streptanthella, Streptanthella

native
Annual herb

Streptanthus albidus Metcalf canyon jewelflower, White jewelflower

native
Annual herb

Streptanthus albidus ssp. peramoenus Most beautiful jewel flower, Most beautiful jewelflower

• rare native
Annual herb

Streptanthus barbatus Pacific jewelflower

native
Perennial herb

Streptanthus barbiger Bearded jewelflower

• rare native
Annual herb

Streptanthus batrachopus Mt. Tamalpais jewelflower

• rare native
Annual herb

Streptanthus bernardinus Laguna mountain jewelflower, Laguna mtns. jewel flower

• rare native
Perennial herb

Streptanthus brachiatus Socrates mine jewelflower

native
Perennial herb

Streptanthus breweri Brewer's jewelflower

native
Annual herb

Streptanthus callistus Mt. hamilton jewel flower, Mt. hamilton jewelflower

• rare native
Annual herb

Streptanthus campestris Southern jewel flower, Southern jewelflower, Southern streptanthus

• rare native
Perennial herb

Streptanthus cordatus Heartleaf jewelflower, Heartleaf twistflower

native
Perennial herb

Streptanthus cordatus var. cordatus Heartleaf jewelflower, Heartleaf twistflower

native
Perennial herb

Streptanthus cordatus var. duranii Heartleaf jewelflower, Heartleaf twistflower

native
Perennial herb

Streptanthus cordatus var. piutensis Heartleaf twistflower, Piute mtns. jewel flower

• rare native
Perennial herb

Streptanthus diversifolius Variableleaf jewelflower, Varied leaved jewelflower

native
Annual herb

Streptanthus drepanoides Sickle fruit jewel flower, Sicklefruit jewelflower

• rare native
Annual herb

Streptanthus farnsworthianus Farnsworth's jewel flower, Farnsworth's jewelflower

• rare native
Annual herb

Streptanthus fenestratus Tehipite valley jewel flower, Tehipite valley jewelflower

• rare native
Annual herb

Streptanthus glandulosus Bristly jewelflower, Tamalpais jewel flower

native
Annual herb

Streptanthus glandulosus ssp. josephinensis Bristly jewelflower, Tamalpais jewel flower

native
Annual herb

Streptanthus glandulosus ssp. josephinensis

Streptanthus glandulosus ssp. albidus Metcalf canyon jewelflower

native
Annual herb

Streptanthus glandulosus ssp. glandulosus Bristly jewelflower

native
Annual herb

Streptanthus glandulosus ssp. glandulosus

Streptanthus glandulosus var. glandulosus Bristly jewelflower

native
Annual herb

Streptanthus glandulosus var. glandulosus

Streptanthus glandulosus ssp. hoffmanii Hoffman's bristly jewel-flower

• rare native
Annual herb

Streptanthus glandulosus ssp. niger Tiburon jewel-flower

• rare native
Annual herb

Streptanthus niger Tiburon jewel-flower

• rare native
Annual herb

Streptanthus glandulosus ssp. pulchellus Mt. Tamalpais jewel flower

• rare native
Annual herb

Streptanthus glandulosus ssp. pulchellus

Streptanthus glandulosus ssp. secundus One sided jewelflower, Secund jewelflower

native
Annual herb

Streptanthus glandulosus ssp. sonomensis Uncommon jewelflower

native
Annual herb

Streptanthus glandulosus ssp. sonomensis

Streptanthus breweri var. hesperidis Green jewel-flower

• rare native
Annual herb

Streptanthus hesperidis Green jewel-flower

• rare native
Annual herb

Streptanthus hispidus Mt. diablo jewel flower, Mt. diablo jewelflower

• rare native
Annual herb

Streptanthus howellii Howell's jewel flower, Howell's jewelflower

• rare native
Perennial herb

Streptanthus insignis Plumed jewelflower, San benito jewelflower

native
Annual herb

Streptanthus insignis ssp. insignis Plumed jewelflower, San Benito jewelflower

native
Annual herb

Streptanthus insignis ssp. lyonii Arburua ranch jewel flower, Arburua ranch jewelflower

• rare native
Annual herb

Streptanthus longisiliquus Long-fruit jewel-flower

• rare native
Perennial herb

Streptanthus morrisonii Morrison's jewelflower

native
Perennial herb

Streptanthus morrisonii ssp. elatus Three peaks jewel flower, Three peaks jewelflower

• rare native
Perennial herb

Streptanthus morrisonii ssp. hirtiflorus Dorr's cabin jewel flower, Dorr's cabin jewelflower

• rare native
Perennial herb

Streptanthus morrisonii ssp. hirtiflorus

Streptanthus oblanceolatus Trinity river jewel-flower

• rare native
Perennial herb

Streptanthus oliganthus Masonic mountain jewelflower, Masonic mtn. jewel flower

• rare native
Perennial herb

Streptanthus polygaloides Milkwort jewelflower

native
Annual herb

Streptanthus tortuosus Jewelweed, Mountain jewelflower, Shieldplant

native
Annual, Perennial herb

Streptanthus tortuosus var. flavescens Jewelweed, Mountain jewelflower, Shieldplant

native
Annual, Perennial herb

Streptanthus tortuosus var. optatus Jewelweed, Mountain jewelflower, Shieldplant

native
Annual, Perennial herb

Streptanthus tortuosus var. suffrutescens Jewelweed, Mountain jewelflower, Shieldplant

native
Annual, Perennial herb

Streptanthus tortuosus var. suffrutescens

Streptanthus tortuosus var. tortuosus Jewelweed, Mountain jewelflower, Shieldplant

native
Annual, Perennial herb

Streptanthus tortuosus ssp. truei True's mountain jewelflower

• rare native
Perennial herb

Streptanthus vernalis Early jewel-flower

• rare native
Annual herb

Streptanthus vimineus

native
Annual herb

Streptopus amplexifolius Claspleaf twistedstalk

native
Perennial herb

Streptopus amplexifolius var. chalazatus Claspleaf twistedstalk

native
Perennial herb

Streptopus amplexifolius var. chalazatus

Streptopus amplexifolius var. americanus American streptopus, Schultestwisted stalk, Twisted stalk

native
Perennial herb

Streptopus amplexifolius var. americanus

Malcolmia africana African mustard

non-native
Annual herb

Strigosella africana African mustard

non-native
Annual herb

Prosopis pubescens Screwbean mesquite

native
Shrub

Prosopis strombulifera Argentine screwbean

non-native
Shrub

Blechnum spicant Deer fern

native
Fern

BLECHNACEAE

Struthiopteris spicant Deer fern

native
Fern

BLECHNACEAE

Stuckenia filiformis Fineleaf pondweed

native
Perennial herb (rhizomatous)

Stuckenia filiformis ssp. alpina Fineleaf pondweed

• rare native
Perennial herb

Stuckenia pectinata Sago pondweed

native
Perennial herb (aquatic)

Atriplex covillei Coville's orach

native
Annual herb

Stutzia covillei Coville's orach

native
Annual herb

Stylocline citroleum Oil nest straw, Oil neststraw

• rare native
Annual herb

Stylocline gnaphaloides Everlasting nest straw, Everlasting stylocline, Mountain neststraw

native
Annual herb

Stylocline intertexta Morefield's neststraw, Tangled nest straw

native
Annual herb

Stylocline micropoides Desert nest straw, Woollyhead neststraw

native
Annual herb

Stylocline psilocarphoides Baretwig neststraw, Peck's stylocline

native
Annual herb

Styrax redivivus California snowdrop bush, Snowdrop bush, Storax

native
Shrub

STYRACACEAE

Suaeda calceoliformis Horned sea blite, Pursh seepweed

native
Annual herb

Suaeda californica California seablite

• rare native
Shrub

Suaeda esteroa Estuary seablite

• rare native
Perennial herb

Suaeda moquinii Bush seepweed

native
Perennial herb

Suaeda nigra Bush seepweed

native
Perennial herb

Suaeda occidentalis Western horned sea blite

• rare native
Annual herb

Suaeda taxifolia Woolly seablite

• rare native
Shrub

Subularia aquatica ssp. americana Water awlwort

• rare native
Annual herb

Swallenia alexandrae Eureka dunegrass, Eureka valley dune grass

• rare native
Perennial grass (rhizomatous)

Swertia perennis Felwort, Star green gentian

native
Annual herb

Syagrus romanzoffiana Queen palm

non-native
Tree

Symphoricarpos albus Common snowberry

native
Shrub

Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry

native
Shrub

Symphoricarpos longiflorus Desert snowberry, long flowered snowberry

native
Shrub

Symphoricarpos mollis Creeping snowberry, Trailing snowberry

native
Shrub

Symphoricarpos occidentalis Western snowberry

non-native
Shrub

Symphoricarpos rotundifolius Mountain snowberry, Roundleaf snowberry

native
Shrub

Symphoricarpos rotundifolius var. parishii Parish's snowberry

native
Shrub

Symphoricarpos rotundifolius var. parishii

Symphoricarpos rotundifolius var. rotundifolius Mountain snowberry, Roundleaved snowberry

native
Shrub

Symphoricarpos rotundifolius var. rotundifolius

Aster ascendens Western aster

native
Perennial herb

Symphyotrichum ascendens Western aster

native
Perennial herb

Aster eatonii Eaton's aster

native
Perennial herb

Symphyotrichum bracteolatum Eaton's aster

native
Perennial herb

Symphyotrichum eatonii Eaton's aster

native
Perennial herb

Symphyotrichum campestre Western meadow aster

native
Perennial herb

Symphyotrichum campestre var. campestre Western meadow aster

native
Perennial herb

Aster chilensis California aster, Pacific aster

native
Perennial herb

Symphyotrichum chilense California aster, Pacific aster

native
Perennial herb

Symphyotrichum defoliatum San bernardino aster

• rare native
Perennial herb (rhizomatous)

Aster foliaceus Alpine leafybract aster

native
Perennial herb

Symphyotrichum foliaceum Alpine leafybract aster

native
Perennial herb

Aster foliaceus var. apricus Alpine leafybract aster

native
Perennial herb

Symphyotrichum foliaceum var. apricum Alpine leafybract aster

native
Perennial herb

Symphyotrichum foliaceum var. canbyi Canby's aster

native
Perennial herb

Aster foliaceus var. parryi Parry's aster

native
Perennial herb

Symphyotrichum foliaceum var. parryi Parry's aster

native
Perennial herb

Symphyotrichum frondosum Short rayed alkali aster

native
Annual herb

Symphyotrichum greatae Greata's aster

• rare native
Perennial herb (rhizomatous)

Symphyotrichum hendersonii Henderson's aster

native
Annual herb

Symphyotrichum laeve Smooth blue aster

native
Perennial herb

Symphyotrichum laeve var. laeve Smooth blue aster

native
Perennial herb

Symphyotrichum laeve var. geyeri Geyer's aster

native
Perennial herb

Symphyotrichum lanceolatum var. hirsuticaule White panicle aster

native
Perennial herb

Symphyotrichum lanceolatum var. hirsuticaule

Symphyotrichum lanceolatum var. lanceolatum White panicle aster

native
Perennial herb

Symphyotrichum lanceolatum var. lanceolatum

Symphyotrichum lanceolatum var. hesperium Western lance leaf aster

native
Perennial herb

Symphyotrichum lanceolatum var. hesperium

Symphyotrichum lentum Suisun marsh aster

• rare native
Perennial herb (rhizomatous)

Aster occidentalis Western mountain aster

native
Perennial herb

Symphyotrichum spathulatum Western mountain aster

native
Perennial herb

Symphyotrichum spathulatum var. intermedium Larger western mountain aster

native
Perennial herb

Symphyotrichum spathulatum var. intermedium

Symphyotrichum spathulatum var. spathulatum Western mountain aster

native
Perennial herb

Symphyotrichum spathulatum var. spathulatum

Symphyotrichum spathulatum var. yosemitanum Western bog aster

native
Perennial herb

Symphyotrichum spathulatum var. yosemitanum

Aster subspicatus Douglas aster

native
Annual herb

Symphyotrichum subspicatum Douglas aster

native
Annual herb

Symphyotrichum subulatum Eastern annual saltmarsh aster

native
Annual herb

Symphyotrichum subulatum var. ligulatum Eastern annual saltmarsh aster

native
Annual herb

Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster

native
Perennial herb

Symphyotrichum subulatum var. parviflorum

Symphytum officinale Common comfrey

non-native
Perennial herb

Symphytum Xuplandicum Russian comfrey

non-native
Perennial herb

Synthyris cordata Serpentine snow queen

native
Perennial herb

Synthyris missurica Tailed kittentails

native
Perennial herb

Synthyris missurica ssp. missurica Kitten tails

• rare native
Perennial herb (rhizomatous)

Synthyris reniformis Snow queen, Snowqueen

native
Perennial herb

Syntrichopappus fremontii Fremont's syntrichopappus, Yellowray fremont's gold

native
Annual herb

Syntrichopappus lemmonii Lemmon's syntrichopappus, Pinkray fremont's gold

• rare native
Annual herb

Syringa vulgaris Common lilac

non-native
Vine, Shrub

Systenotheca vortriedei Vortriede's spineflower

• rare native
Annual herb

Syzygium australe Brush cherry

non-native
Tree

Syzygium jambos Malabar plum

non-native
Tree

Tacca leontopetaloides Batflower

non-native

TACCACEAE

Tagetes erecta French or african marigold

non-native
Annual herb

Tagetes patula French or african marigold

non-native
Annual herb

Tagetes minuta Little marigold, Muster john henry

• invasive non-native
Annual herb

Tamarix aphylla Athel tamarisk, Athel tree

• invasive non-native
Tree

Tamarix chinensis Chinese tamarisk, Fivestamen tamarisk, Salt cedar

• invasive non-native
Shrub

Tamarix pentandra Chinese tamarisk, Fivestamen tamarisk, Salt cedar

• invasive non-native
Shrub

Tamarix gallica French tamarisk

• invasive non-native
Tree, Shrub

Tamarix parviflora Fourstamen tamarisk, Smallflower tamarisk

• invasive non-native
Tree, Shrub

Tamarix ramosissima Saltcedar, Tamarisk

• invasive non-native
Tree, Shrub

Tanacetum bipinnatum Dune tansy

native
Perennial herb

Tanacetum bipinnatum ssp. huronense Dune tansy

native
Perennial herb

Tanacetum camphoratum Dune tansy

native
Perennial herb

Chrysanthemum parthenium Feverfew

non-native
Perennial herb

Tanacetum parthenium Feverfew

non-native
Perennial herb

Tanacetum vulgare Common tansy

• invasive non-native
Perennial herb

Taraxacum californicum California dandelion

• rare native
Perennial herb

Taraxacum ceratophorum Horned dandelion

• rare native
Annual herb

Taraxacum erythrospermum Red-seeded dandelion

non-native
Perennial herb

Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion

• invasive non-native
Perennial herb

Camissonia ovata Sun cup, Goldeneggs

native
Perennial herb

Taraxia ovata Sun cup, Goldeneggs

native
Perennial herb

Camissonia subacaulis Long leaved suncup

native
Perennial herb

Taraxia subacaulis Long leaved suncup

native
Perennial herb

Camissonia tanacetifolia Tansy leaf evening primrose

native
Perennial herb

Camissonia tanacetifolia ssp. tanacetifolia Tansy leaf evening primrose

native
Perennial herb

Camissonia tanacetifolia ssp. tanacetifolia

Taraxia tanacetifolia Tansy leaf evening primrose

native
Perennial herb

Targionia hypophylla

native
Liverwort

TARGIONIACEAE

Tauschia arguta Southern tauschia, Southern umbrellawort

native
Perennial herb

Tauschia glauca Glaucous tauschia, Glaucous umbrellawort

• rare native
Perennial herb

Tauschia hartwegii Hartweg's tauschia, Hartweg's umbrellawort, Tauschia

native
Perennial herb

Tauschia howellii Howell's tauschia, Howell's umbrellawort

• rare native
Perennial herb

Tauschia kelloggii Kellogg's tauschia, Kellogg's umbrellawort

native
Perennial herb

Tauschia parishii Parish's tauschia, Parish's umbrellawort

native
Perennial herb

Taxodium distichum Bald cypress

non-native
Tree

Taxus baccata English yew

non-native
Tree

TAXACEAE

Taxus brevifolia California yew, Pacific yew, Western yew

native
Tree

TAXACEAE

Tecoma capensis Cape honeysuckle

non-native
Vine, Shrub

Tecomaria capensis Cape honeysuckle

non-native
Vine, Shrub

Teesdalia coronopifolia Lesser shepherds cress, Lesser shepherdscress

non-native
Annual herb

Tellima grandiflora Bigflower tellima, Fringe cups

native
Perennial herb

Tetracoccus dioicus Parry's tetracoccus, Red shrubby spurge

• rare native
Shrub

PICRODENDRACEAE

Tetracoccus hallii Hall's purple bush, Hall's shrubby spurge, Holly leaved spurge

• rare native
Shrub

PICRODENDRACEAE

Tetracoccus ilicifolius Holly leaved tetracoccus, Hollybush

• rare native
Shrub

PICRODENDRACEAE

Tetradymia argyraea Striped cottonthorn, Striped horsebrush

• rare native
Shrub

Tetradymia axillaris Catclaw horsebrush, Cotton catclaw, Cotton thorn

native
Shrub

Tetradymia axillaris var. axillaris Catclaw horsebrush, Longspine horsebrush

native
Shrub

Tetradymia axillaris var. longispina Catclaw horsebrush, Long spined cotton thorn, Longspine horsebrush

native
Shrub

Tetradymia canescens Gray horsebrush, Spineless horsebrush

native
Shrub

Tetradymia comosa Cotton thorn, Hairy horsebrush

native
Shrub

Tetradymia glabrata Little leaf horsebrush, Littleleaf horsebrush

native
Shrub

Tetradymia spinosa Shortspine horsebrush, Spiny horsebrush

native
Shrub (stem succulent)

Tetradymia stenolepis Mojave cottonthorn, Mojave horsebrush, Narrow scaled felt thorn

native
Shrub

Tetradymia tetrameres Four parted horsebrush, Fourpart horsebrush

• rare native
Shrub (stem succulent)

Tetragonia tetragonioides New zealand spinach

• invasive non-native
Annual herb

Tetragonia tetragonoides New zealand spinach

non-native
Annual herb

Hymenoxys acaulis Stemless four nerve daisy

native
Perennial herb

Hymenoxys acaulis var. caespitosa Stemless four nerve daisy

native
Perennial herb

Tetraneuris acaulis Stemless four nerve daisy

native
Perennial herb

Tetraneuris acaulis var. acaulis Stemless four nerve daisy

native
Perennial herb

Tetraneuris acaulis var. caespitosa Stemless four nerve daisy

native
Perennial herb

Tetraneuris acaulis var. epuncata Stemless four nerve daisy

native
Perennial herb

Hymenoxys acaulis var. arizonica Arizona four nerve daisy

native
Perennial herb

Tetraneuris acaulis var. arizonica Arizona four nerve daisy

native
Perennial herb

Tetrapteron graciliflorum Hill sun cup

native
Annual herb

Tetrapteron palmeri Palmer's sun cup , Palmer's evening primrose

native
Annual herb

Teucrium canadense Canada germander

native
Annual herb

Teucrium canadense var. occidentale Western germander

native
Annual herb

Teucrium chamaedrys Wall germander

non-native
Annual herb

Teucrium cubense ssp. depressum Lou germander, Small coastal germander

• rare native
Annual herb

Teucrium fruticans Shrubby germander

non-native
Shrub

Teucrium glandulosum Common germander, Germander, Sticky teucrium

• rare native
Shrub

Thalictrum alpinum Alpine meadow rue

• rare native
Perennial herb

Thalictrum fendleri Fendler's meadow rue, Meadow rue

native
Perennial herb

Thalictrum fendleri var. polycarpum; Fendler's meadow rue, Meadow rue

native
Perennial herb

Thalictrum fendleri var. fendleri Fendler's meadow rue

native
Perennial herb

Thalictrum fendleri var. polycarpum Fendler's meadow rue, Meadow rue, Torrey's meadow rue

native
Perennial herb

Thalictrum polycarpum Fendler's meadow rue, Meadow rue, Torrey's meadow rue

native
Perennial herb

Thalictrum occidentale Western meadow rue

native
Perennial herb

Thalictrum sparsiflorum Few flowered meadow rue, Fewflower meadow rue

native
Perennial herb

Thamnosma montana Turpentine broom, Turpentinebroom

native
Shrub

Thelesperma megapotamicum Hopi tea greenthread

non-native
Perennial herb

Thelesperma simplicifolium Slender greenthread

non-native
Perennial herb

Thelypodium brachycarpum Short podded thelypodium, Shortpod thelypody

• rare native
Perennial herb

Thelypodium crispum Crisped thelypody, Wavy leaved thelypodium

native
Annual, Perennial herb

Thelypodium flexuosum Nodding thelypodium, Nodding thelypody, Thelypodium

native
Perennial herb

Thelypodium howellii ssp. howellii Howell's thelypodium, Howell's thelypody

• rare native
Perennial herb

Thelypodium integrifolium ssp. affine Entireleaved thelypody, White entire leaved thelypodium

native
Perennial herb

Thelypodium integrifolium ssp. complanatum Entireleaved thelypody, Lavender entire leaved thelypodium

• rare native
Perennial herb

Thelypodium integrifolium ssp. complanatum

Thelypodium laciniatum Cutleaf thelypody, Feathery thelypodium

native
Perennial herb

Thelypodium laciniatum var. laciniatum Cutleaf thelypody, Feathery thelypodium

native
Perennial herb

Thelypodium milleflorum Manyflower thelypody, Yarrow leaf thelypodium

• rare native
Perennial herb

Thelypodium stenopetalum Slender petaled thelypodium, Slenderpetal thelypody

• rare native
Perennial herb

Thelypteris puberula var. sonorensis Sonoran marsh fern

• rare native
Fern (rhizomatous)

THELYPTERIDACEAE

Thermopsis californica California goldenbanner

native
Perennial herb

Thermopsis californica var. calironica California goldenbanner

native
Perennial herb

Thermopsis californica var. argentata Silvery false lupine

• rare native
Perennial herb (rhizomatous)

Thermopsis californica var. californica California goldenbanner

native
Perennial herb (rhizomatous)

Thermopsis californica var. semota Velvety false lupine

• rare native
Perennial herb (rhizomatous)

Thermopsis gracilis Slender goldenbanner

• rare native
Perennial herb (rhizomatous)

Thermopsis macrophylla California falselupine, Common false lupine, Santa inez goldenbanner

• rare native
Perennial herb

Thermopsis macrophylla var. macrophylla California falselupine, Common false lupine, Santa inez goldenbanner

• rare native
Perennial herb

Thermopsis robusta Robust false lupine, Showy goldenbanner

• rare native
Perennial herb (rhizomatous)

Cascabela thevetia Luckynut

non-native
Tree, Shrub

Thevetia peruviana Luckynut

non-native
Tree, Shrub

Thlaspi arvense Fan weed, Field pennycress

non-native
Annual herb

Thuja occidentalis Arborvitae

non-native
Tree

Thuja plicata Western red cedar

native
Tree

Thymophylla pentachaeta Fiveneedle pricklyleaf

native
Perennial herb

Thymophylla pentachaeta var. pentachaeta Fiveneedle pricklyleaf

native
Perennial herb

Thymophylla pentachaeta var. pentachaeta

Thymophylla pentachaeta var. belenidium Five needled thymophylla, Fiveneedle pricklyleaf

native
Perennial herb

Thymophylla tenuiloba var. tenuiloba Bristleleaf pricklyleaf

non-native
Annual herb

Thysanocarpus conchuliferus Cupped fringe pod, Santa cruz island fringepod, Santa cruz island lacepod

• rare native
Annual herb

Thysanocarpus curvipes Fringe pod, Fringed pod, Hairy lacepod

native
Annual herb

Thysanocarpus curvipes var. elegans Fringe pod, Fringed pod, Hairy lacepod

native
Annual herb

Thysanocarpus curvipes ssp. curvipes Fringe Pod

native
Annual herb

Thysanocarpus curvipes var. curvipes Fringe Pod

native
Annual herb

Thysanocarpus curvipes var. eradiatus Fringe Pod

native
Annual herb

Thysanocarpus desertorum Narrow leaved lacepod

native
Annual herb

Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod

native
Annual herb

Thysanocarpus laciniatus var. crenulata Common lace pod, Mountain fringepod, Narrow leaved fringe pod

native
Annual herb

Thysanocarpus radians Fringe pod, Ribbed fringepod, Showy fringe pod

native
Annual herb

Thysanocarpus rigidus Rigid fringepod

• rare native
Annual herb

Tiarella trifoliata Sugar scoop, Threeleaf foamflower

native
Perennial herb

Tiarella trifoliata var. trifoliata Threeleaf foamflower, Trifoliate laceflower

• rare native
Perennial herb (rhizomatous)

Tiarella trifoliata var. unifoliata Oneleaf foamflower, Sugarscoop

native
Perennial herb

Tidestromia lanuginosa Woolly tidestromia

native
Annual herb

Tidestromia suffruticosa var. oblongifolia Honeysweet

native
Annual herb

Tidestromia suffruticosa var. oblongifolia

Tilia americana American basswood

non-native
Tree

TILIACEAE

Tilia platyphyllos Largeleaf linden

non-native
Tree

TILIACEAE

Tilia tomentosa

non-native
Tree

TILIACEAE

Tillandsia usneoides Spanish moss

non-native
Perennial herb

BROMELIACEAE

Timmiella anomala Timmiella moss

native
Moss

Tipuana tipu Tipa

non-native
Tree

Tiquilia canescens Shrubby coldenia, Woody crinklemat

native
Perennial herb, Shrub

Tiquilia canescens var. canescens Gray coldenia, Woody crinklemat

native
Perennial herb, Shrub

Tiquilia hispidissima Hairy crinklemat

non-native
Perennial herb

Tiquilia nuttallii Nuttall's coldenia, Nuttall's crinklemat

native
Annual herb

Tiquilia palmeri Palmer's coldenia, Palmer's crinklemat

native
Perennial herb

Tiquilia plicata Fanleaf crinklemat, Plicate coldenia

native
Perennial herb

Tolmiea diplomenziesii

native
Perennial herb

Tolmiea menziesii Pig a back plant, Youth on age

native
Perennial herb

Tolpis barbata European milkwort, European umbrella milkwort

non-native
Annual, Perennial herb

Tonella tenella Lesser baby innocence, Small flowered tonella

native
Annual herb

Tonestus eximius Lake tahoe serpentweed, Tahoe tonestus

• rare native
Perennial herb (rhizomatous)

Tonestus peirsonii Peirson's haplopappus, Peirson's serpentweed

• rare native
Perennial herb

Torenia fournieri Bluewings

non-native
Perennial herb

Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer

• invasive non-native
Annual herb

Torilis japonica Japanese hedge parsely

non-native
Annual herb

Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley

non-native
Annual herb

Torreya californica California nutmeg, California torreya

native
Tree

TAXACEAE

Torreyochloa erecta Spiked false mannagrass, Spiked mannagrass, Upright mannagrass

native
Perennial grass

Torreyochloa pallida var. pauciflora Mannagrass, Pale false mannagrass, Weak mannagrass

native
Perennial grass (rhizomatous)

Pseudostellaria jamesiana Tuber starwort

native
Perennial herb

Stellaria jamesiana Tuber starwort

native
Perennial herb

Tortella fragilis Fragile tortella moss

native
Moss

Tortula californica California tortula moss

• rare native
Moss

Townsendia condensata Cushion townsend daisy, Hairy townsendia

• rare native
Perennial herb

Townsendia leptotes Common townsend daisy, Common townsendia

• rare native
Perennial herb

Townsendia parryi Parry's townsend daisy, Parry's townsendia

native
Perennial herb

Townsendia scapigera Tufted townsend daisy, Tufted townsendia

native
Perennial herb

Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak

native
Vine, Shrub

Toxicoscordion brevibracteatum Desert death camas

native
Perennial herb

Toxicoscordion exaltatum Giant death camas

native
Perennial herb

Zigadenus exaltatus Giant death camas

native
Perennial herb

Toxicoscordion fontanum Marsh zigadenus

• rare native
Perennial herb

Zigadenus micranthus var. fontanus Marsh zigadenus

• rare native
Perennial herb

Toxicoscordion fremontii Fremont's star lily, Fremont's death camas

native
Perennial herb

Toxicoscordion fremontii var. minor Fremont's star lily, Fremont's death camas

native
Perennial herb

Zigadenus fremontii Fremont's star lily, Fremont's death camas

native
Perennial herb

Toxicoscordion micranthum Small flowered star lily

native
Perennial herb

Toxicoscordion micranthus Small flowered star lily

native
Perennial herb

Toxicoscordion paniculatum Foothill deathcamas

native
Perennial herb

Zigadenus paniculatus Foothill deathcamas

native
Perennial herb

Toxicoscordion venenosum Meadow deathcamas

native
Perennial herb

Toxicoscordion venenosum var. gramineum Meadow deathcamas

native
Perennial herb

Zigadenus venenosus Meadow deathcamas

native
Perennial herb

Zigadenus venenosus var. gramineus Meadow deathcamas

native
Perennial herb

Toxicoscordion venenosum var. venenosum Meadow deathcamas

native
Perennial herb

Zigadenus venenosus var. venenosus Meadow deathcamas

native
Perennial herb

Trachelospermum jasminoides Confederate jasmine

non-native
Perennial herb

Tracyina rostrata Beaked tracyina, Indian headdress

• rare native
Annual herb

Tradescantia fluminensis Small leaf spiderwort

non-native
Perennial herb

Tradescantia ohiensis Bluejacket

non-native
Perennial herb

Tragia ramosa Branched noseburn, Desert noseburn

• rare native
Perennial herb

Tragopogon dubius Goat's beard, Yellow salsify

• invasive non-native
Perennial herb

Tragopogon porrifolius Purple salsify

non-native
Perennial herb

Tragopogon pratensis Jack go to bed at noon, Meadow salsify

non-native
Perennial herb

Tragopogon pratensis ssp. orientalis Jack go to bed at noon, Meadow salsify

non-native
Perennial herb

Transberingia bursifolia ssp. virgata Virgate halimolobos

• rare native
Perennial herb

Trautvetteria caroliniensis Carolina bugbane

native
Perennial herb

Trautvetteria caroliniensis var. occidentalis Carolina bugbane

native
Perennial herb

Trautvetteria caroliniensis var. occidentalis

Sapium sebiferum Chinese tallowtree

• invasive non-native
Tree

Triadica sebifera Chinese tallowtree

• invasive non-native
Tree

Triantha glutinosa Sticky tofieldia

non-native
Perennial herb

Triantha occidentalis Western false asphodel

native
Perennial herb

Triantha occidentalis ssp. brevistyla Western false asphodel

native
Perennial herb

Triantha occidentalis ssp. montana Western false asphodel

native
Perennial herb

Tofieldia glutinosa ssp. occidentalis Western false asphodel

native
Perennial herb

Triantha occidentalis ssp. occidentalis Western false asphodel

native
Perennial herb

Sesuvium portulacastrum Desert horsepurslane, Horse purslane, Lowland purslane

native
Annual herb

Trianthema portulacastrum Desert horsepurslane, Horse purslane, Lowland purslane

native
Annual herb

Tribulus terrestris Puncture vine, Puncturevine

• invasive non-native
Annual herb

Tricardia watsonii Three hearts, Threehearts

native
Perennial herb

Trichocoronis wrightii var. wrightii Wright's trichocoronis

• rare native
Annual herb

Trichophorum clementis Yosemite bulrush

native
Perennial grasslike herb

Trichophorum pumilum Rolland's bulrush

• rare native
Perennial grasslike herb (rhizomatous)

Trichoptilium incisum Yellow head, Yellowdome, Yellowhead

native
Annual herb

Trichostema austromontanum ssp. austromontanum San jacinto bluecurls, Southern bluecurls

native
Annual herb

Trichostema austromontanum ssp. austromontanum

Trichostema austromontanum ssp. compactum Hidden lake bluecurls, San jacinto bluecurls

• rare native
Annual herb

Trichostema austromontanum ssp. compactum

Trichostema lanatum Woolly bluecurls

native
Shrub

Trichostema lanatum var. aginina Woolly bluecurls

native
Shrub

Trichostema lanceolatum Vinegarweed

native
Annual herb

Trichostema laxum Turpentine weed

native
Annual herb

Trichostema micranthum Small flowered bluecurls, Smallflower bluecurls

• rare native
Annual herb

Trichostema oblongum Mountain bluecurls, Oblong bluecurls

native
Annual herb

Trichostema ovatum San joaquin bluecurls

• rare native
Annual herb

Trichostema parishii Parish's bluecurls

native
Shrub

Trichostema rubisepalum Hernandez bluecurls

• rare native
Annual herb

Trichostema ruygtii Napa bluecurls

• rare native
Annual herb

Trichostema simulatum Siskiyou bluecurls

native
Annual herb

Tridens muticus Slim tridens

native
Perennial grass

Tridens muticus var. muticus Slim tridens

native
Perennial grass

Trifolium albopurpureum Indian clover, Rancheria clover

native
Annual herb

Trifolium albopurpureum var. albopurpureum Indian clover, Rancheria clover

native
Annual herb

Trifolium albopurpureum var. albopurpureum

Trifolium neolagopus Indian clover, Rancheria clover

native
Annual herb

Trifolium alexandrinum Egyptian clover

non-native
Annual herb

Trifolium amoenum Showy indian clover

• rare native
Annual herb

Trifolium andersonii ssp. andersonii Anderson's clover

• rare native
Perennial herb

Trifolium andersonii ssp. beatleyae Beatley's five-leaved clover

native
Perennial herb

Trifolium angustifolium Narrow leaved clover, Narrowleaf crimson clover

non-native
Annual herb

Trifolium appendiculatum Large variegated clover

native
Annual herb

Trifolium variegatum var. major Large variegated clover

native
Annual herb

Trifolium arvense Rabbitfoot clover

non-native
Annual herb

Trifolium aureum Golden clover, Hop clover

non-native
Annual herb

Trifolium barbigerum Bearded clover

native
Annual herb

Trifolium beckwithii Beckwith's clover

native
Perennial herb

Trifolium bifidum Notch leaf clover, Notchleaf clover, Pinole clover

native
Annual herb

Trifolium bifidum var. bifidum Pinole clover

native
Annual herb

Trifolium bifidum var. decipiens Notch leaf clover

native
Annual herb

Trifolium bolanderi Bolander's clover, Parasol clover

• rare native
Perennial herb

Trifolium breweri Brewer's clover, Forest clover

native
Perennial herb

Trifolium buckwestiorum Santa cruz clover

• rare native
Annual herb

Trifolium campestre Field clover, Low hop clover

non-native
Annual herb

Trifolium cernuum Nodding clover

non-native
Annual herb

Trifolium ciliolatum Foothill clover, Tree clover

native
Annual herb

Trifolium olivaceum Olive clover

native
Annual herb

Trifolium cyathiferum Bowl clover, Cup clover

native
Annual herb

Trifolium depauperatum Cowbag clover, Dwarf sack clover, Pale sack clover

native
Annual herb

Trifolium amplectens Balloon sack clover, Pale bladder clover, Pale sack clover

native
Annual herb

Trifolium depauperatum var. depauperatum Cowbag clover, Dwarf bladder clover, Dwarf sack clover

native
Annual herb

Trifolium depauperatum var. depauperatum

Trifolium depauperatum var. stenophyllum Dwarf sack clover

native
Annual herb

Trifolium depauperatum var. stenophyllum

Trifolium depauperatum var. truncatum Dwarf sack clover

native
Annual herb

Trifolium stenophyllum Dwarf sack clover

native
Annual herb

Trifolium albopurpureum var. dichotomum Branched indian clover

native
Annual herb

Trifolium dichotomum Branched indian clover

native
Annual herb

Trifolium dubium Shamrock clover, Little Hop Clover, Suckling clover

non-native
Annual herb

Trifolium eriocephalum Woollyhead clover

native
Perennial herb

Trifolium eriocephalum ssp. eriocephalum Woollyhead clover

native
Perennial herb

Trifolium eriocephalum ssp. eriocephalum

Trifolium eriocephalum var. eriocephalum Woollyhead clover

native
Perennial herb

Trifolium eriocephalum var. eriocephalum

Trifolium fragiferum Strawberry clover

non-native
Perennial herb

Trifolium flavulum Bull clover, Sour clover

native
Annual herb

Trifolium fucatum Bull clover, Sour clover

native
Annual herb

Trifolium gambelii Bull clover, Sour clover

native
Annual herb

Trifolium glomeratum Clustered clover

non-native
Annual herb

Trifolium gracilentum Graceful clover, Pin point clover, Pinpoint clover

native
Annual herb

Trifolium grayi Gray's clover

native
Annual herb

Trifolium grayi var. 14 Gray's clover

native
Annual herb

Trifolium gymnocarpon Hollyleaf clover

native
Perennial herb

Trifolium gymnocarpon ssp. plummerae Plummer's clover

• rare native
Perennial herb

Trifolium hirtum Rose clover

• invasive non-native
Annual herb

Trifolium howellii Canyon clover, Howell's clover

• rare native
Perennial herb

Trifolium hybridum Alsike clover

non-native
Perennial herb

Trifolium hydrophilum Saline clover

• rare native
Annual herb

Trifolium incarnatum Crimson clover

non-native
Annual herb

Trifolium jokerstii Jim's clover, Butte County Golden Clover

• rare native
Annual herb

Trifolium kingii King's clover

native
Perennial herb

Trifolium kingii ssp. dedeckerae Dedecker's clover

native
Perennial herb

Trifolium lemmonii Lemmon's clover

• rare native
Perennial herb

Trifolium longipes Long stalked clover, Longstalk clover, Summer clover

native
Perennial herb

Trifolium longipes ssp. neurophyllum Long stalked clover, Longstalk clover, Summer clover

native
Perennial herb

Trifolium longipes ssp. elmeri Elmer's clover

native
Perennial herb

Trifolium longipes ssp. hansenii Hansen's clover

native
Perennial herb

Trifolium longipes var. nevadense Hansen's clover

native
Perennial herb

Trifolium longipes ssp. oreganum Oregon clover

native
Perennial herb

Trifolium longipes ssp. shastense Longstalk clover

native
Perennial herb

Trifolium macraei Chilean clover, Macrae's clover

native
Annual herb

Trifolium macrocephalum Big headed clover, Largehead clover

native
Perennial herb

Trifolium microcephalum Hairy clover, Small headed clover

native
Annual herb

Trifolium microdon Thimble clover, Valparaiso clover

native
Annual herb

Trifolium monanthum Carpet clover, Mountain carpet clover

native
Perennial herb

Trifolium monanthum ssp. grantianum Grant's carpet clover

native
Perennial herb

Trifolium monanthum ssp. monanthum Carpet clover

native
Perennial herb

Trifolium monanthum var. monanthum Carpet clover

native
Perennial herb

Trifolium monanthum ssp. parvum Small carpet clover

native
Perennial herb

Trifolium monanthum ssp. tenerum Delicate carpet clover

native
Perennial herb

Trifolium obtusiflorum Clammy clover, Creek clover

native
Annual herb

Trifolium oliganthum Few flowered clover, Fewflower clover, Minitomcat clover

native
Annual herb

Trifolium albopurpureum var. olivaceum Olive clover

native
Annual herb

Trifolium palmeri Southern island clover

• rare native
Annual herb

Trifolium piorkowskii Piorkowski's clover

• rare native
Annual herb

Trifolium polyodon Pacific grove clover

• rare native
Annual herb

Trifolium polyodon var. oligodon Pacific grove clover

• rare native
Annual herb

Trifolium pratense Red clover

non-native
Perennial herb

Trifolium pratense ssp. nivale Red clover

non-native
Perennial herb

Trifolium productum Productive clover

native
Perennial herb

Trifolium repens White clover

non-native
Perennial herb

Trifolium resupinatum Reversed clover

non-native
Annual herb

Trifolium stellatum Star clover

non-native
Annual herb

Trifolium striatum Knotted clover

non-native
Annual herb

Trifolium subterraneum Sub clover, Subterranean clover

non-native
Annual herb

Trifolium suffocatum Suffocated clover

non-native
Perennial herb

Trifolium tomentosum Woolly clover

non-native
Annual herb

Trifolium trichocalyx Monterey clover

• rare native
Annual herb

Trifolium melananthum Variegated clover, White tipped clover, Whitetip clover

native
Annual herb

Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover

native
Annual herb

Trifolium variegatum var. geminiflorum Small-flowered variegated clover

native
Annual herb

Trifolium variegatum var. variegatum Variegated clover

native
Annual herb

Trifolium vesiculosum Arrowleaf clover

non-native
Annual herb

Trifolium willdenovii Tomcat clover

native
Annual herb

Trifolium wormskioldii Coast clover, Cow clover, Cows clover

native
Perennial herb

Triglochin concinna Arrow grass, Utah arrowgrass

native
Perennial herb (aquatic)

Triglochin concinna var. concinna Arrow grass

native
Perennial herb (aquatic)

Triglochin concinna var. debilis Slender arrow grass

native
Perennial herb (aquatic)

Triglochin maritima Arrowgrass, Seaside arrow grass, Seaside arrowgrass

native
Perennial herb (aquatic)

Triglochin palustris Marsh arrow grass, Marsh arrowgrass

• rare native
Perennial herb (aquatic)

Triglochin scilloides Flowering-quillwort

native
Annual herb (aquatic)

Triglochin striata Three ribbed arrow grass, Threerib arrowgrass

native
Perennial herb (aquatic)

Trigonella corniculata Cultivated fenugreek

non-native
Annual herb

Trillium albidum Giant white wakerobin

native
Perennial herb

Trillium angustipetalum Narrow petaled wakerobin, Narrowpetal wakerobin

native
Perennial herb

Trillium kurabayashii Narrow petaled wakerobin, Narrowpetal wakerobin

native
Perennial herb

Trillium chloropetalum Common trillium, Giant wakerobin, Trillium

native
Perennial herb

Trillium chloropetalum ssp. val Common trillium, Giant wakerobin, Trillium

native
Perennial herb

Trillium sessile Common trillium, Giant wakerobin, Trillium

native
Perennial herb

Trillium ovatum ssp. oettingeri Salmon Mountains Wakerobin

• rare native
Perennial herb

Trillium ovatum Pacific trillium, Wake robin, Western trillium

native
Perennial herb

Trillium ovatum var. roy Pacific trillium, Wake robin, Western trillium

native
Perennial herb

Trillium ovatum ssp. ovatum Pacific trillium, Western wakerobin

native
Perennial herb

Triodanis biflora Venus looking glass, Venus' looking glass

native
Annual herb

Triodanis perfoliata Clasping venus looking glass, Clasping venus' looking glass

native
Annual herb

Triodanis perfoliata var. perfoliata Clasping venus looking glass, Clasping venus' looking glass

native
Annual herb

Triphysaria eriantha Butter 'n' eggs, Johnny tuck, Johnnytuck

native
Annual herb

Triphysaria eriantha ssp. eriantha Butter 'n' eggs, Johnny tuck

native
Annual herb

Triphysaria eriantha ssp. rosea Johnny tuck, Pink butter 'n' eggs

native
Annual herb

Triphysaria floribunda San francisco owl's clover

• rare native
Annual herb

Triphysaria micrantha Little butter 'n' eggs, Purplebeak owl's clover

native
Annual herb

Triphysaria pusilla Dwarf owl's clover, Little owl's clover

native
Annual herb

Triphysaria versicolor Yellow owl's clover, Yellowbeak owl's clover

native
Annual herb

Triphysaria versicolor ssp. faucibarbata Yellow owl's clover, Yellowbeak owl's clover

native
Annual herb

Triphysaria versicolor ssp. faucibarbata

Triphysaria versicolor ssp. versicolor Yellow owl's clover, Yellowbeak owl's clover

native
Annual herb

Matricaria inodora False mayweed

non-native
Annual herb

Tripleurospermum inodorum False mayweed

non-native
Annual herb

Tripleurospermum maritimum False mayweed

non-native
Annual herb

Matricaria maritima False mayweed

non-native
Annual herb

Tripterocalyx crux-maltae Lassen sand verbena, Lassen sandverbena

• rare native
Annual herb

Tripterocalyx micranthus Little sand verbena, Smallflower sandverbena

• rare native
Annual herb

Triquetrella californica California triquetrella moss

• rare native
Moss

Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum

native
Perennial grass

Trisetum cernuum Nodding oatgrass, Nodding trisetum

native
Perennial grass

Trisetum projectum

native
Perennial grass

Trisetum spicatum Narrow oatgrass, Spike trisetum

native
Perennial grass

Trisetum wolfii Beardless oatgrass, Wolf's trisetum

native
Perennial grass

Triteleia bridgesii Bridges' brodiaea

native
Perennial herb

Triteleia clementina San clemente island triteleia

• rare native
Perennial herb (bulb)

Triteleia crocea Yellow brodiaea, Yellow triplet lily, Yellow triteleia

native
Perennial herb

Triteleia crocea var. modesta Trinity mountains pretty face, Yellow triteleia

• rare native
Perennial herb (bulb)

Triteleia dudleyi Dudley's triplet lily, Dudley's triteleia

native
Perennial herb

Triteleia grandiflora Largeflower triteleia

• rare native
Perennial herb

Triteleia grandiflora var. grandiflora Largeflower triteleia

• rare native
Perennial herb

Triteleia grandiflora var. howellii Largeflower triteleia

• rare native
Perennial herb

Triteleia howellii Largeflower triteleia

• rare native
Perennial herb

Triteleia hendersonii Henderson's triteleia

• rare native
Perennial herb (bulb)

Triteleia hendersonii var. hendersonii Henderson's triteleia

• rare native
Perennial herb (bulb)

Triteleia hendersonii var. leachiae Henderson's triteleia

• rare native
Perennial herb (bulb)

Triteleia hyacinthina White brodiaea, Wild hyacinth, White Brodiaea, Fool's Onion

native
Perennial herb

Triteleia ixioides Golden brodiaea, Pretty face, Prettyface

native
Perennial herb

Triteleia ixioides ssp. anilina Mountain pretty face, Prettyface

native
Perennial herb

Triteleia ixioides ssp. cookii Cook's triteleia

• rare native
Perennial herb (bulb)

Triteleia ixioides ssp. ixioides Golden brodiaea

native
Perennial herb

Triteleia ixioides ssp. scabra Foothill triteleia, Prettyface

native
Perennial herb

Triteleia ixioides ssp. unifolia Prettyface

native
Perennial herb

Triteleia laxa Ithuriel's spear

native
Perennial herb

Triteleia lilacina Foothill triteleia, Lilac pretty face

native
Perennial herb (bulb)

Triteleia lugens Coast range triplet lily, Coast range triteleia

• rare native
Perennial herb

Triteleia montana Mountain triteleia, Sierra triteleia, Slender brodiaea

native
Perennial herb

Triteleia peduncularis Long ray brodiaea, Long rayed brodiaea, Marsh triteleia

native
Perennial herb

Triteleia piutensis Piute mountains triteleia

• rare native
Perennial herb

Triticum aestivum Common wheat, Wheat

non-native
Annual grass

Triticum turgidum Rivet wheat

non-native
Annual grass

Trixis californica American threefold

native
Shrub

Trixis californica var. californica California trixis, Trixis

native
Shrub

Tropaeolum majus Garden nasturtium, Nasturtium

• invasive non-native
Annual herb, Vine

TROPAEOLACEAE

Tropidocarpum californicum King's gold

• rare native
Perennial herb

Twisselmannia californica King's gold

• rare native
Perennial herb

Tropidocarpum capparideum Caper fruited tropidocarpum, Caperfruit tropidocarpum

• rare native
Annual herb

Tropidocarpum gracile Dobie pod, Slender keel fruit, Slender tropidocarpum

native
Annual herb

Tsuga heterophylla Western hemlock

native
Tree

Tsuga mertensiana Mountain hemlock

native
Tree

Tuberaria guttata European frostweed, Tuberaria

non-native
Annual, Perennial herb

Tuctoria greenei Awnless spiralgrass, Greene's tuctoria

• rare native
Annual grass

Tuctoria mucronata Crampton's tuctoria, Prickly spiralgrass

• rare native
Annual grass

Tulipa clusiana var. 'cynthia' Lady tulip

non-native
Perennial herb (bulb)

Arabis glabra var. glabra Tower rockcress

native
Perennial herb

Turritis glabra Tower rockcress

native
Perennial herb

Typha angustifolia Nail rod, Narrow leaf cattail, Narrowleaf cattail

non-native
Perennial herb (aquatic)

Typha domingensis Narrowleaf cattail, Southern cattail

native
Perennial herb

Typha latifolia Broadleaf cattail, Common cattail, Soft flag

native
Perennial herb (aquatic)

Ulex europaeus Common gorse

• invasive non-native
Shrub

Ulmus americana American elm

non-native
Tree

Ulmus glabra Wych elm

non-native
Tree

Ulmus minor Smooth leaved elm, english elm

non-native
Tree

Ulmus minor ssp. minor Smooth leaved elm, english elm

non-native
Tree

Ulmus procera Smooth leaved elm, english elm

non-native
Tree

Ulmus parvifolia Chinese elm, Siberian elm

non-native
Tree

Ulmus pumila Siberian elm

• invasive non-native
Tree

Ulmus thomasii Rock elm

non-native
Tree

Umbellularia californica Bay laurel, California bay, California laurel, bay tree

native
Tree

Umbellularia californica var. californica Bay laurel, California bay, California laurel, bay tree

native
Tree

Umbellularia californica var. californica

Undaria pinnatifida Wakame

• invasive non-native
seaweed

ALARIACEAE

Panicum maximum Guineagrass

non-native
Perennial grass

Uropappus lindleyi Silver puffs, Uropappus

native
Annual herb

Urospermum picroides Bristly tail seed, Prickly goldenfleece

non-native
Annual, Perennial herb

Urtica dioica Stinging nettle

native
Perennial herb

Urtica dioica ssp. gracilis American stinging nettle, California nettle

native
Perennial herb

Urtica gracilis American stinging nettle, California nettle

native
Perennial herb

Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle

native
Perennial herb

Urtica urens Annual stinging nettle, Dwarf nettle

non-native
Annual herb

Utricularia gibba Gibbous bladderwort, Humped bladderwort

native
Perennial herb

Utricularia inflata Swollen bladderwort

non-native
Perennial herb

Utricularia intermedia Flat leaf bladderwort, Flat leaved bladderwort, Flatleaf bladderwort

• rare native
Annual herb

Utricularia macrorhiza Common bladderwort

native
Perennial herb

Utricularia vulgaris Common bladderwort

native
Perennial herb

Utricularia vulgaris ssp. Macrorhiza Common bladderwort

native
Perennial herb

Utricularia minor Lesser bladderwort

• rare native
Annual herb

Utricularia ochroleuca Yellowishwhite bladderwort

• rare native
Perennial herb

Utricularia stygia Yellowishwhite bladderwort

• rare native
Perennial herb

Utricularia subulata Zigzag bladderwort

non-native
Annual, Perennial herb

Vaccaria hispanica Cow soapwort, Cowherb, Spanish cockle

non-native
Annual herb

Vaccinium caespitosum Dwarf bilberry, Huckleberry

native
Shrub

Vaccinium cespitosum Dwarf bilberry, Huckleberry

native
Shrub

Vaccinium coccineum Siskiyou Mtns. huckleberry

• rare native
Shrub

Vaccinium deliciosum Cascade bilberry

native
Shrub (stem succulent)

Vaccinium macrocarpon Cranberry

non-native
Shrub (stem succulent)

Vaccinium membranaceum Thin leaf huckleberry, Thinleaf huckleberry

native
Shrub

Vaccinium ovatum California huckleberry, Evergreen huckleberry

native
Shrub

Vaccinium parvifolium California red huckleberry, Red bilberry, red huckleberry

native
Shrub

Vaccinium scoparium Grouse whortleberry, Little leaf huckleberry

• rare native
Shrub

Vaccinium shastense ssp. nevadense Sierra Nevada huckleberry

Shrub

Vaccinium shastense ssp. shastense Shasta huckleberry

• rare native
Shrub

Vaccinium uliginosum Blueberry

native
Shrub

Vaccinium uliginosum ssp. occidentale Western blueberry

native
Shrub

Acacia smallii Sweet acacia

non-native
Tree

Vachellia farnesiana Sweet acacia

non-native
Tree

Vachellia farnesiana var. farnesiana Sweet acacia

non-native
Tree

Vahlodea atropurpurea Mountain hairgrass

• rare native
Perennial grass

Valeriana californica California valerian

native
Perennial herb

Valeriana capitata California valerian

native
Perennial herb

Valeriana capitata ssp. acutiloba California valerian

native
Perennial herb

Valeriana occidentalis Western valerian

• rare native
Perennial herb

Valeriana officinalis Garden valerian

non-native
Perennial herb

Valeriana pubicarpa Mountain valerian

native
Perennial herb

Valeriana sitchensis Sitka valerian

native
Perennial herb

Valeriana sitchensis ssp. scouleri Scouler's valerian

native
Perennial herb

Valeriana sitchensis ssp. sitchensis Sitka valerian

native
Perennial herb

Valerianella carinata Corn salad, European cornsalad

non-native
Annual, Perennial herb

Valerianella locusta Corn salad, Lamb lettuce, Lewiston cornsalad

non-native
Annual herb

Vancouveria chrysantha Golden inside out flower, Golden vancouveria, Siskiyou inside out flower

• rare native
Perennial herb (rhizomatous)

Vancouveria hexandra Deciduous vancouvaria, Northern vancouveria, White insideout flower

native
Perennial herb

Vancouveria planipetala Inside out flower, Redwood insideout flower, Redwood ivy

native
Perennial herb

Venegasia carpesioides Canyon sunflower

native
Perennial herb

Venidium fastuosum Monarch of the veld, cape daisy

non-native
Annual herb

Ventenata dubia North africa grass, Ventenata grass

• invasive non-native
Annual grass

Veratrum californicum California false hellebore

native
Perennial herb

Veratrum californicum var. californicum California corn lily, California false hellebore, Western false hellebore

native
Perennial herb

Veratrum fimbriatum Fringed cornlily, Fringed false hellebore

• rare native
Perennial herb

Veratrum insolitum Siskiyou false hellebore

• rare native
Perennial herb

Veratrum viride American false hellebore, Green false hellebore, White false hellebore

native
Perennial herb

Verbascum blattaria Moth mullein

non-native
Perennial herb

Verbascum bombyciferum Giant silver mullein

non-native
Annual, Biennial herb

Verbascum olympicum Olympic mullein

non-native
Biennial, Perennial herb

Verbascum thapsus Common mullein, Woolly mullein

• invasive non-native
Perennial herb

Verbascum virgatum Wand mullein

non-native
Perennial herb

Verbena bonariensis Purple top vervain, Purpletop vervain

• invasive non-native
Annual, Biennial herb

Verbena bracteata Bigbract verbena, Bracted verbena

native
Annual, Perennial herb

Verbena californica California vervain, Red hills vervain

• rare native
Perennial herb

Glandularia gooddingii Southwestern mock vervain

native
Perennial herb

Verbena gooddingii Southwestern mock vervain

native
Perennial herb

Verbena hastata Blue vervain, Swamp verbena

native
Perennial herb

Verbena lasiostachys Common verbena, Vervain, Western verbena

native
Perennial herb

Verbena lasiostachys var. lasiostachys Vervain, Western vervain

native
Perennial herb

Verbena lasiostachys var. scabrida Robust vervain

native
Perennial herb

Verbena litoralis Seashore vervain

• invasive non-native
Biennial, Perennial herb

Verbena menthifolia Mint leafed vervain, Mint vervain

native
Annual, Perennial herb

Verbena officinalis Herb of the cross

non-native
Perennial herb

Verbena pulchella South american mock vervain

non-native
Perennial herb

Verbena urticifolia White vervain

non-native
Perennial herb

Verbesina dissita Bigleaf crownbeard

• rare native
Perennial herb

Verbesina encelioides Golden crownbeard

non-native
Annual herb

Verbesina encelioides ssp. exauriculata Crownbeard, Golden crownbeard, Golden viguiera

non-native
Annual herb

Veronica americana American brooklime, American speedwell, Brooklime

native
Perennial herb

Veronica anagallis-aquatica Water speedwell

non-native
Perennial herb

Veronica arvensis Corn speedwell, Speedwell

non-native
Annual herb

Veronica beccabunga European speedwell

non-native
Perennial herb

Veronica catenata Chain speedwell

non-native
Perennial herb

Veronica chamaedrys Germander speedwell

non-native
Perennial herb

Veronica copelandii Copeland's speedwell

• rare native
Perennial herb

Veronica cusickii Cusick's speedwell

• rare native
Perennial herb

Veronica filiformis Thread stalk speedwell, Threadstalk speedwell

non-native
Perennial herb

Veronica hederifolia Ivy leaved speedwell, Ivyleaf speedwell

non-native
Annual herb

Veronica officinalis Common gypsyweed

non-native
Perennial herb

Veronica officinalis var. officinalis Common gypsyweed

non-native
Perennial herb

Veronica peregrina Neckweed

native
Annual herb

Veronica peregrina ssp. xalapensis Hairy purslane speedwell, Neckweed, Purslane speedwell

native
Annual herb

Veronica persica Bird's eye speedwell, Birdeye speedwell

non-native
Annual herb

Veronica scutellata Marsh speedwell, Skullcap speedwell

native
Perennial herb

Veronica serpyllifolia Thymeleaf speedwell

native
Perennial herb

Veronica serpyllifolia ssp. serpyllifolia Thymeleaf speedwell

native
Perennial herb

Veronica serpyllifolia ssp. serpyllifolia

Veronica serpyllifolia ssp. humifusa Bright blue speedwell, Brightblue speedwell, Sprawling speedwell

native
Perennial herb

Veronica spicata Spiked speedwell

non-native
Perennial herb

Veronica triphyllos Finger speedwell

non-native
Annual herb

Veronica alpina American alpine speedwell, American alpine speedwell

native
Perennial herb

Veronica wormskjoldii American alpine speedwell, American alpine speedwell

native
Perennial herb

Veronica wormskjoldii var. wormskjoldii American alpine speedwell, American alpine speedwell

native
Perennial herb

Viburnum ellipticum Common viburnum, Viburnum

• rare native
Shrub

Viburnum edule European cranberrybush , Guelder-rose

non-native
Shrub

Viburnum opulus European cranberrybush , Guelder-rose

non-native
Shrub

Viburnum opulus var. americanum European cranberrybush , Guelder-rose

non-native
Shrub

Viburnum suspensum Viburnum

non-native
Shrub

Viburnum tinus Laurustinus

non-native
Shrub

Viburnum tinus ssp. rigidum Laurustinus

non-native
Shrub

Vicia americana American vetch

native
Perennial herb, Vine

Vicia americana ssp. americana American vetch

native
Perennial herb, Vine

Vicia atropurpurea Purple vetch, Reddish tufted vetch, Vetch

non-native
Annual herb, Vine

Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch

non-native
Annual herb, Vine

Vicia bithynica Bithynian vetch

non-native
Annual herb

Vicia cracca Bird vetch

non-native
Perennial herb, Vine

Vicia disperma European vetch

non-native
Annual herb

Vicia faba Broad bean, horse bean, Fava bean, horse bean, Horsebean

non-native
Annual herb, Vine

Vicia gigantea Giant vetch

native
Perennial herb

Vicia hassei Hasse's vetch

native
Vine

Vicia hirsuta Hairy vetch, Tiny vetch, Vetch

non-native
Annual herb, Vine

Vicia lathyroides Pea vetch, Spring vetch

non-native
Annual herb, Vine

Vicia ludoviciana ssp. ludoviciana Louisiana vetch

native
Annual herb

Vicia lutea Smooth yellow vetch

non-native
Annual herb, Vine

Vicia pannonica ssp. striata Hungarian vetch

non-native
Annual herb, Vine

Vicia sativa Spring vetch

non-native
Annual herb, Vine

Vicia sativa ssp. nigra Common vetch, Garden vetch, Smaller common vetch

non-native
Annual herb, Vine

Vicia sativa ssp. segetalis Common vetch, Garden vetch, Smaller common vetch

non-native
Annual herb, Vine

Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch

non-native
Annual herb, Vine

Vicia tetrasperma Four seeded vetch, Lentil vetch

non-native
Annual herb

Vicia villosa Hairy vetch, Hairy Vetch, Winter Vetch

• invasive non-native
Annual herb, Vine

Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch

non-native
Annual herb, Vine

Vicia villosa ssp. villosa Hairy vetch, Winter vetch, Wooly vetch

• invasive non-native
Annual herb, Vine

Viguiera purisimae La purisima viguiera

• rare native
Shrub

Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca

• invasive non-native
Perennial herb

Vinca minor Common periwinkle

non-native
Perennial herb

Viola adunca Blue violet, Dog violet, Hookedspur violet

native
Perennial herb

Viola adunca ssp. adunca Blue violet, Western dog violet

native
Perennial herb

Viola adunca var. bellidifolia Blue violet, Western dog violet

native
Perennial herb

Viola arvensis European field pansy

non-native
Annual herb

Viola bakeri Baker's violet

native
Perennial herb

Viola beckwithii Beckwith's violet, Great basin violet

native
Perennial herb

Viola beckwithii ssp. beckwithii Beckwith's violet, Great basin violet

native
Perennial herb

Viola cuneata Wedge leaf violet, Wedgeleaf violet

native
Perennial herb

Viola douglasii Douglas' golden violet, Douglas' violet

native
Perennial herb

Viola glabella Pioneer violet, Stream violet, Stream Violet, Smooth Yellow Violet

native
Perennial herb

Viola hallii Hall's violet, Oregon violet

native
Perennial herb

Viola howellii Howell's violet

• rare native
Perennial herb

Viola langsdorffii Aleutian violet

• rare native
Perennial herb

Viola lobata Moose horn violet, Pine violet, Yellow violet

native
Perennial herb

Viola lobata ssp. integrifolia Delta leafed forest violet, Pine violet, Yellow violet

native
Perennial herb

Viola lobata ssp. lobata Moose horn violet, Pine violet

native
Perennial herb

Viola macloskeyi Macloskey's violet, Small white violet

native
Perennial herb

Viola macloskeyi ssp. pallens Macloskey's violet, Small white violet

native
Perennial herb

Viola pallens Macloskey's violet, Small white violet

native
Perennial herb

Viola affinis Leconte violet, Northern bog violet

native
Perennial herb

Viola nephrophylla Leconte violet, Northern bog violet

native
Perennial herb

Viola nuttallii Nuttall's violet

non-native
Perennial herb

Viola ocellata Pinto violet, Twoeyed violet, Western heart's ease

native
Perennial herb

Viola odorata English violet, Sweet violet

non-native
Perennial herb

Viola palustris Marsh violet

• rare native
Perennial herb (rhizomatous)

Viola pedunculata California golden violet, Johnny jump up

native
Perennial herb

Viola pedunculata ssp. pedunculata California golden violet, Johnny jump up

native
Perennial herb

Viola pinetorum Goosefoot yellow violet, Pine violet

native
Perennial herb

Viola pinetorum ssp. grisea Goosefoot yellow violet, Grey leaved violet

• rare native
Perennial herb

Viola pinetorum ssp. pinetorum Goosefoot yellow violet, Pine violet

native
Perennial herb

Viola praemorsa Astoria violet, Canary violet

native
Perennial herb

Viola praemorsa ssp. linguifolia Astoria violet, Upland yellow violet

native
Perennial herb

Viola praemorsa ssp. praemorsa Astoria violet, Canary violet

native
Perennial herb

Viola primulifolia Bog White Violet

native
Perennial herb (rhizomatous)

Viola primulifolia ssp. occidentalis Western bog violet

• rare native
Perennial herb (rhizomatous)

Viola purpurea Goosefoot violet, Mountain violet

native
Perennial herb

Viola purpurea ssp. aurea Golden violet

• rare native
Perennial herb

Viola purpurea ssp. integrifolia Goosefoot violet, Smooth leaved violet

native
Perennial herb

Viola purpurea ssp. mohavensis Mojave goosefoot violet

native
Perennial herb

Viola purpurea ssp. purpurea Goosefoot violet, Mountain Violet

native
Perennial herb

Viola purpurea ssp. quercetorum Goosefoot violet, Goosefoot yellow violet

native
Perennial herb

Viola purpurea ssp. venosa Desert violet, Goosefoot violet, Goosefoot yellow violet

native
Perennial herb

Viola sempervirens Evergreen violet, Redwood violet

native
Perennial herb

Viola sheltonii Shelton's violet

native
Perennial herb

Viola papilionacea Common blue violet

native
Perennial herb

Viola sororia Common blue violet

native
Perennial herb

Viola sororia var. priceana Common blue violet

native
Perennial herb

Viola tomentosa Feltleaf violet, Woolly violet

• rare native
Perennial herb

Viola tricolor Johnny jumpup, Wild pansy

non-native
Annual, Perennial herb

Viola tricolor ssp. tricolor Johnny jumpup, Wild pansy

non-native
Annual, Perennial herb

Viscum album European mistletoe

• invasive non-native
Shrub (parasitic)

Vitex agnus-castus Lilac chastetree

non-native
Tree, Shrub

Vitis arizonica Canyon grape

native
Vine, Shrub

Vitis californica California grape, California wild grape

native
Vine, Shrub

Vitis girdiana Desert wild grape, Southern california grape

native
Vine, Shrub

Vitis labrusca Fox grape

non-native
Vine, Shrub

Vitis vinifera Cultivated grape, Wine grape

non-native
Vine, Shrub

Vitis vinifera var. 5 Cultivated grape, Wine grape

non-native
Vine, Shrub

Volutaria muricata Morocco knapweed

non-native
Annual herb

Volutaria tubuliflora Egyptian knapweed

• invasive non-native
Annual herb

Wahlenbergia marginata Southern rockbell

non-native
Perennial herb

Washingtonia filifera California fan palm, Fan palm

native
Tree

Washingtonia robusta Mexican fan palm

• invasive non-native
Tree

Watsonia meriana Bulbil bugle lily

• invasive non-native
Perennial herb

Weigela florida Oldfashioned weigela

non-native
Shrub

Whipplea modesta Modesty, Whipplea, Whipplevine

native
Vine, Shrub

Wigandia caracasana Caracus wigandia

non-native
Shrub

Wigandia urens Caracus wigandia

non-native
Shrub

Wislizenia refracta Jack ass clover, Jackass clover, Spectacle fruit

native
Annual herb

Wislizenia refracta ssp. californica California jackass clover, Spectacle fruit

native
Annual herb

Wislizenia refracta ssp. palmeri Palmer's jackass clover, Palmer's wislizenia

• rare native
Annual herb

Wislizenia refracta ssp. refracta Jackass clover, Spectacle fruit

• rare native
Annual herb

Wisteria floribunda Japanese wisteria

non-native
Perennial herb

Wisteria sinensis Chinese wisteria

non-native
Perennial herb

Wolffia borealis Northern water meal, Northern watermeal

native
Perennial herb

Wolffia brasiliensis Brazilian watermeal, South American water meal

• rare native
Perennial herb

Wolffia columbiana Columbia water meal, Columbian watermeal

native
Perennial herb

Woodsia oregana Cliff fern, Oregon cliff fern, Oregon woodsia

native
Fern

WOODSIACEAE

Woodsia plummerae Plummer's cliff fern, Plummer's woodsia

• rare native
Fern (rhizomatous)

WOODSIACEAE

Woodsia scopulina Cliff fern, Mountain cliff fern, Rocky mountain woodsia

native
Fern

WOODSIACEAE

Woodwardia fimbriata Chain fern, Giant chain fern, Giant chainfern

native
Fern

BLECHNACEAE

Wyethia angustifolia California compassplant, Narrow leaf mule ears, Narrow leaved mule ears

native
Perennial herb

Agnorhiza bolanderi Bolander wyethia, Bolander's mule ears, Bolander's wyethia

native
Perennial herb

Wyethia bolanderi Bolander wyethia, Bolander's mule ears, Bolander's wyethia

native
Perennial herb

Wyethia elata Hall's mule ears, Hall's wyethia

• rare native
Perennial herb

Wyethia glabra Coast range mule ears, Shining mule ears, Smooth mule ears

native
Perennial herb

Wyethia helenioides Gray mule ears, Whitehead mule ears, Whitehead wyethia

native
Perennial herb

Wyethia invenusta Coville's mule ears, Coville's wyethia

native
Perennial herb

Wyethia longicaulis Humboldt county wyethia, Humboldt mule ears

• rare native
Perennial herb

Wyethia mollis Mountain mule ears, Mule ears, Woolly mule ears

native
Perennial herb

Wyethia ovata Southern mule ears, Southern wyethia

native
Perennial herb

Wyethia reticulata El dorado county mule ears, El dorado mule ears, Eldorado wyethia

• rare native
Perennial herb

Xanthisma gracile Annual bristleweed

• rare native
Annual herb

Xanthisma junceum Rush like bristleweed

• rare native
Perennial herb

Machaeranthera pinnatifida ssp. goodingii

native
Perennial herb

Machaeranthera pinnatifida ssp. goodingii

Xanthisma spinulosum

native
Perennial herb

Xanthisma spinulosum var. chihuahuanum

native
Perennial herb

Xanthisma spinulosum var. glaberrima

native
Perennial herb

Xanthisma spinulosum var. spinulosum

native
Perennial herb

Xanthisma spinulosum var. gooddingii Goodding's aster

native
Perennial herb

Xanthium strumarium var. glabratum Common cocklebur

native
Annual herb

Xanthium spinosum Spiny clotbur, Spiny cockleburr

non-native
Annual herb

Xanthium strumarium Rough cockleburr

native
Annual herb

Xerophyllum tenax Common beargrass

native
Perennial herb

Xylococcus bicolor Mission manzanita

native
Shrub

Xylorhiza cognata Mecca aster, Mecca woodyaster

• rare native
Perennial herb

Xylorhiza orcuttii Orcutt's aster, Orcutt's woody aster

• rare native
Perennial herb

Xylorhiza tortifolia Mojave woodyaster

native
Perennial herb

Xylorhiza tortifolia var. tortifolia Desert aster, Mojave aster, Mojave woodyaster

native
Perennial herb

Yabea microcarpa California hedge parsley, False carrot

native
Annual herb

Youngia japonica Oriental false hawksbeard

non-native
Annual herb

Yucca baccata Banana yucca, Spanish bayonet

native
Shrub

Yucca baccata var. baccata Banana yucca, blue yucca

native
Shrub

Yucca brevifolia Joshua tree

native
Tree

Yucca brevifolia ssp. jaegeriana Joshua tree

native
Tree

Yucca brevifolia var. brevifolia Joshua tree

native
Tree

Yucca gloriosa Moundlily yucca

non-native
Shrub

Yucca jaegeriana Eastern joshua tree

native
Shrub

Yucca schidigera Mohave yucca, Mojave yucca

native
Tree

Zannichellia palustris Horned pondweed

native
Perennial herb

ZANNICHELLIACEAE

Zantedeschia aethiopica Calla lily, Callalily, Common calla

• invasive non-native
Perennial herb

Zea mays Corn

non-native
Annual grass

Zea mays ssp. mays Corn

non-native
Annual grass

Zelkova serrata Japanese zelkova

non-native
Tree

Zeltnera davyi Davy's centaury

native
Annual herb

Zeltnera exaltata Cancha lagua

native
Annual herb

Zeltnera muehlenbergii Muehlenberg's centaury

native
Annual herb

Zeltnera namophila Spring-loving Centaury

native
Annual herb

Zeltnera trichantha Alkali centaury

native
Annual herb

Centaurium venustum California Centaury, Charming Centaury

native
Annual herb

Zeltnera venusta California Centaury, Charming Centaury

native
Annual herb

Zinnia elegans Elegant zinnia

non-native
Annual herb

Zizania palustris Northern wildrice

non-native
Annual, Perennial grass

Ziziphus obtusifolia Lotebush

native
Shrub

Ziziphus obtusifolia var. canescens Gray crucillo, Graythorn, Grey leaved abrojo

native
Shrub

Condalia parryi Parry's jujube

native
Shrub

Ziziphus parryi Parry's jujube

native
Shrub

Ziziphus parryi var. parryi California crucillo, Lotebush, Parry abrojo

native
Shrub

Ziziphus jujuba Common jujube

non-native
Tree, Shrub

Ziziphus zizyphus Common jujube

non-native
Tree, Shrub

Zostera marina Eel grass, Eelgrass, Seawrack

native
Perennial herb

ZOSTERACEAE

Zygophyllum fabago Syrian beancaper

• invasive non-native
Perennial herb