DWT Property Inventory List Common Plants Illustrated Plant List

Abies grandis Grand fir

native
Tree

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

native
Tree

Abies magnifica var. shastensis Shasta red fir

native
Tree

Acer circinatum Vine maple

native
Tree, Shrub

Acer glabrum var. torreyi Rocky mountain maple

native
Tree, Shrub

Acer macrophyllum Big leaf maple, Bigleaf maple

native
Tree

Achillea millefolium Common yarrow

native
Perennial herb

Achlys californica California deer foot, Deer's foot

native
Perennial herb

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

native
Perennial herb

Acmispon americanus American bird's foot trefoil, Spanish lotus

native
Annual herb

Acmispon argophyllus var. argophyllus Southern california silver lotus

native
Perennial herb

Acmispon argophyllus var. fremontii Fremont's silver lotus

native
Perennial herb

Acmispon nevadensis Sierra lotus

native
Perennial herb

Acmispon denticulatus Toothed lotus

native
Annual herb

Acmispon grandiflorus Large leaved lotus

native
Perennial herb

Acmispon junceus var. junceus Rush lotus

native
Perennial herb

Acmispon wrangelianus Wrangel lotus

native
Annual herb

Aconitum columbianum Columbian monkshood, Monkshood

native
Perennial herb

Polygonum davisiae Davis knotweed

native
Perennial herb

Polygonum newberryi Newberry's smartweed

native
Perennial herb

Polygonum phytolaccifolium Pokeweed knotweed

native
Perennial herb

Actaea 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

Adiantum aleuticum Five finger fern

native
Fern

Adiantum jordanii Adiantum, maiden hair fern

native
Fern

Adiantum shastense Shasta adiantum

• rare native
Fern

Aesculus californica Buckeye, California buckeye, California horse chestnut

native
Tree

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

Ageratina occidentalis Western eupatorium, Western joepiweed, Western snakeroot

native
Perennial herb

Agoseris glauca Pale dandelion, Short beaked agoseris

native
Perennial herb

Agoseris grandiflora Bigflower agoseris, California dandelion, Giant mountain dandelion

native
Perennial herb

Agoseris heterophylla Annual agoseris, Annual mountain dandelion

native
Annual herb

Agoseris monticola Mountain agoseris

native
Perennial herb

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

native
Perennial herb

Agrostis exarata Spike bentgrass, Spike redtop

native
Perennial grass

Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop

non-native
Perennial grass

Agrostis idahoensis Colonial bentgrass, Idaho bentgrass

native
Perennial grass

Agrostis oregonensis Oregon bentgrass, Oregon redtop

native
Perennial grass

Agrostis scabra Rough bentgrass, Ticklegrass

native
Perennial grass

Agrostis stolonifera Creeping bentgrass, Redtop

• invasive non-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

Allium amplectens Narrow leaved onion, Narrowleaf onion

native
Perennial herb (bulb)

Allium campanulatum Dusky onion, Sierra onion

native
Perennial herb (bulb)

Allium falcifolium Scytheleaf onion, Sickle leaf onion

native
Perennial herb (bulb)

Allium membranaceum Papery 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 parvum Dwarf onion, Small onion

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

• rare native
Perennial herb (bulb)

Allium siskiyouense Siskiyou onion

• rare native
Perennial herb (bulb)

Allium tribracteatum Three bracted onion, Threebract onion

• rare native
Perennial herb (bulb)

Allium validum Pacific mountain onion, Pacific onion, Swamp onion

native
Perennial herb (bulb)

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

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 violaceum Dense false gilia, Dense false gilyflower

native
Annual herb

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

native
Annual herb

Alnus incana ssp. tenuifolia Creek alder, Mountain alder

native
Tree, Shrub

Alnus rhombifolia White alder

native
Tree

Alnus rubra Oregon alder, Red alder

native
Tree, Shrub

Alopecurus aequalis Short awned foxtail, Sonoma alopecurus, Water foxtail

native
Perennial grass

Alopecurus geniculatus Marsh foxtail, Water foxtail

native
Perennial grass

Alopecurus saccatus Pacific foxtail

native
Annual grass

Alyssum minus ssp. micranthum Alyssum

non-native
Annual herb

Alyssum simplex Alyssum

non-native
Annual herb

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

native
Shrub

Amsinckia menziesii var. intermedia Common fiddleneck

native
Annual herb

Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck

native
Annual herb

Anaphalis margaritacea Pearly everlasting

native
Perennial herb

Cynoglossum occidentale Western hound's tongue

native
Perennial herb

Anemone deltoidea Columbian windflower

native
Perennial herb

Anemone drummondii Drummond's anemone

native
Perennial herb

Anemone multifida Pacific anemone

native
Perennial herb

Anemone oregana Blue windflower, Oregon anemone, Western wood anenome

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

Sphenosciadium capitellatum Ranger's Buttons, Swamp White Heads

native
Perennial herb

Angelica kingii King's angelica

• 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

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 geyeri Geyer's pussytoes, Mountain pussytoes

native
Perennial herb

Antennaria luzuloides Rush pussytoes, Silvery brown pussytoes

native
Perennial herb

Antennaria luzuloides var. aberrans Rush pussytoes, Silvery brown pussytoes

native
Perennial herb

Antennaria alpina Alpine pussytoes, Rocky mountain pussytoes

native
Perennial herb

Antennaria rosea Rose pussytoes, Rosy everlasting, Rosy pussytoes

native
Perennial herb

Hierochloe odorata Vanilla grass

• rare native
Perennial grass (rhizomatous)

Hierochloe occidentalis Califonria sweet grass, Vanilla grass

native
Perennial grass

Anthoxanthum odoratum Sweet vernal grass, Sweet vernalgrass

• invasive non-native
Annual, Perennial grass

Antirrhinum vexillocalyculatum ssp. breweri Wiry snapdragon

native
Annual herb

Antirrhinum vexillocalyculatum ssp. breweri

Orobanche fasciculata Clustered broomrape

native
Perennial herb (parasitic)

Apocynum androsaemifolium Bitter dogbane, Spreading dogbane

native
Perennial herb

Apocynum pumilum Bitter dogbane, Spreading dogbane

native
Perennial herb

Aquilegia formosa Crimson columbine, Sitka columbine, Western columbine

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

Aralia californica California spikenard, Elk's clover, Elkclover

native
Perennial herb

ARALIACEAE

Arbutus menziesii Madrono, Pacific madrone

native
Tree

Arceuthobium abietinum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

Arceuthobium campylopodum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

Arceuthobium monticola Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

Arctium minus Common burdock, Lesser burdock, Small burdock

non-native
Perennial herb

Arctostaphylos canescens ssp. canescens Hoary manzanita

native
Shrub

Arctostaphylos columbiana Hairy manzanita, Redwood manzanita

native
Tree, Shrub

Arctostaphylos klamathensis Klamath manzanita

• rare native
Shrub

Arctostaphylos manzanita ssp. manzanita Common Manzanita

native
Shrub

Arctostaphylos manzanita ssp. wieslanderi Wieslander's manzanita

native
Shrub

Arctostaphylos manzanita ssp. wieslanderi

Arctostaphylos mewukka ssp. mewukka Indian manzanita

native
Shrub

Arctostaphylos mewukka ssp. truei True's manzanita

• rare native
Shrub

Arctostaphylos nevadensis Pine mat manzanita, Pinemat manzanita

native
Shrub

Arctostaphylos patula Green leaf manzanita, Greenleaf manzanita

native
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

Arnica chamissonis ssp. foliosa 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 amplexicaulis Clasping arnica

native
Perennial herb

Arnica longifolia Longleaf arnica, Seep spring arnica

native
Perennial herb

Arnica nevadensis Nevada arnica, Sierra 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 arbuscula Black sagebrush, Low sagebrush

native
Shrub

Artemisia arbuscula ssp. arbuscula Dwarf sagebrush, Little sagebrush, Low 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 ludoviciana Mugwort, Silver wormwood

native
Perennial herb

Artemisia ludoviciana ssp. candicans Gray mugwort, White sagebrush

native
Perennial herb

Artemisia ludoviciana ssp. ludoviciana Silver wormwood, White sagebrush

native
Perennial herb

Artemisia nova Black sagebrush

native
Shrub

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 ssp. wyomingensis Wyoming big sagebrush, Wyoming sagebrush

native
Shrub

Asarum caudatum Creeping wild ginger, Longtail wild ginger

native
Perennial herb

ARISTOLOCHIACEAE

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

native
Perennial herb

ARISTOLOCHIACEAE

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

native
Perennial herb

ARISTOLOCHIACEAE

Asclepias cordifolia Heart leaf milkweed, Heartleaf milkweed, Purple milkweed

native
Perennial herb

Asclepias fascicularis Narrow leaf milkweed

native
Perennial herb

Asclepias speciosa Showy milkweed

native
Perennial herb

Aspidotis densa Cliffbrake, Lace fern

native
Fern

Astragalus anxius Troubled milk vetch, Troubled milkvetch

• rare native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

Astragalus inversus Susanville milk vetch, Susanville milkvetch

• rare native
Perennial herb

Astragalus lentiginosus var. floribundus Floriferous milk vetch, Freckled milkvetch

native
Annual, Perennial herb

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

native
Annual, Perennial herb

Astragalus lentiginosus var. lentiginosus Freckled milk vetch, Freckled milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. lentiginosus

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

native
Annual, Perennial herb

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

native
Perennial herb

Astragalus umbraticus Bald mountain milkvetch

• rare native
Perennial herb

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

native
Perennial herb

Astragalus whitneyi var. siskiyouensis Siskiyou milk vetch, Siskiyou milkvetch

native
Perennial herb

Asyneuma prenanthoides California harebell

native
Perennial herb

Campanula prenanthoides California harebell

native
Perennial herb

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

native
Fern

ATHYRIACEAE

Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus

native
Annual herb

Avena barbata Slender oat, Slim oat

• invasive non-native
Annual grass

Avena fatua Wild oat, Wildoat

• invasive non-native
Annual grass

Baccharis pilularis Coyote brush, Dwarf chaparral broom

native
Shrub

Balsamorhiza deltoidea Balsam deltoid, Deltoid balsam root, Deltoid balsamroot

native
Perennial herb

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

native
Perennial herb

Balsamorhiza macrolepis var. platylepis Hooker's balsam root, Hooker's balsamroot

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

Bellis perennis English daisy, English lawn daisy

• invasive non-native
Perennial herb

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

native
Shrub

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

native
Shrub

Berberis aquifolium var. repens Creeping oregon grape, Dwarf mahonia

native
Shrub

Berberis nervosa Cascades oregon grape, Oregongrape

native
Shrub

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

native
Perennial herb

Betula glandulosa Resin birch; scrub birch

• rare native
Shrub

Bidens frondosa Devil's beggartick, Sticktight

native
Annual herb

Bidens laevis Bur marigold

native
Perennial herb

Bistorta bistortoides Western Bistort

native
Perennial herb

Polygonum bistortoides Western Bistort

native
Perennial herb

Blepharipappus scaber Blepharipappus, Rough blepharipappus, Rough eyelashweed

native
Annual herb

Arabis breweri var. breweri Brewer's rockcress

native
Perennial herb

Arabis Xdivaricarpa Spreadingpod rockcress

native
Perennial herb

Arabis platysperma var. platysperma Elko rockcress

native
Perennial herb

Arabis holboellii var. pinetorum Woodland rockcress

native
Perennial herb

Arabis rectissima var. rectissima Bristly leaf rockcress

native
Perennial herb

Arabis repanda var. 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

Arabis sparsiflora Sicklepod rockcress

native
Perennial herb

Arabis sparsiflora var. sparsiflora Sicklepod rockcress

native
Perennial herb

Arabis drummondii Drummond's rockcress

native
Perennial herb

Arabis subpinnatifida Klamath rockcress

native
Perennial herb

Arabis suffrutescens var. suffrutescens Woody rockcress

native
Perennial herb

Botrychium minganense Mingan moonwort

• rare native
Fern (rhizomatous)

Botrychium simplex var. compositum Little grapefern

native
Fern

Botrypus virginianus Rattlesnake fern

• rare native
Fern

Boykinia major Large boykinia, Mountain boykinia, Stream boykinia

native
Perennial herb

Boykinia occidentalis Brook foam, Coastal brookfoam, Western boykinia

native
Perennial herb

Brassica rapa Common mustard, Field mustard, Rape mustard

• invasive non-native
Annual herb

Brickellia californica Brickell bush, California brickellbush, California brickellia

native
Perennial herb

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

native
Perennial herb

Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass

• invasive non-native
Annual grass

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

non-native
Annual grass

Brodiaea coronaria ssp. coronaria Crown brodiaea, Early harvest brodiaea, Harvest brodiaea

native
Perennial herb (bulb)

Brodiaea elegans Harvest brodiaea

native
Perennial herb

Brodiaea minor Dwarf brodiaea, Low brodiaea, Small Brodiaea

native
Perennial herb

Bromus carinatus var. carinatus California brome, Mountain brome

native
Perennial grass

Bromus catharticus Rescue grass, Rescuegrass

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 mollis Soft brome, Soft chess

• invasive non-native
Annual grass

Bromus hordeaceus Soft brome, Soft chess

• invasive non-native
Annual grass

Bromus hordeaceus ssp. molliformis Soft brome, Soft chess

• invasive non-native
Annual 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 orcuttianus Orcutt's brome grass

native
Annual grass

Bromus pseudolaevipes Coast range brome, Southern chinook brome

native
Perennial grass

Bromus madritensis ssp. rubens Red brome

• invasive 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
Perennial grass

Bulbostylis capillaris Thread leaf beakseed, Threadleaf beakseed

• rare native
Annual grasslike herb

Cacaliopsis nardosmia Cut leaf cacaliopsis, Silvercrown

native
Perennial herb

Calamagrostis canadensis Bluejoint reedgrass, Canada reedgrass

native
Perennial grass

Calamagrostis koelerioides Fire reedgrass

native
Perennial grass

Calandrinia ciliata red maids, Calandrinia

native
Annual herb

Calliscirpus criniger Cotton grass

native
Perennial grasslike herb

Eriophorum criniger Cotton grass

native
Perennial grasslike herb

Callitriche hermaphroditica Fassett's water starwort

native
Perennial herb

Callitriche heterophylla Varied leaved water starwort, Water starwort

native
Perennial herb

Callitriche marginata California water starwort, Winged water starwort

native
Annual herb (aquatic)

Callitriche verna Vernal water-starwort

native
Annual herb

Callitriche stagnalis Pond water starwort

non-native
Annual herb (aquatic)

Calocedrus decurrens Incense cedar, Post cedar, White cedar

native
Tree

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

native
Perennial herb

Calochortus elegans Elegant star tulip, Northwestern mariposa lily

native
Perennial herb

Calochortus invenustus Plain mariposa lily

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 minimus Sierra mariposa lily

native
Perennial herb

Calochortus monophyllus Yellow star tulip

native
Perennial herb

Calochortus nudus Naked mariposa lily

native
Perennial herb

Calochortus superbus Yellow mariposa

native
Perennial herb

Calochortus syntrophus Callahan's mariposa lily

• rare native
Perennial herb

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

native
Perennial herb

Calochortus venustus Butterfly mariposa lily

native
Perennial herb

Caltha howellii White marsh marigold

native
Perennial herb

Caltha leptosepala var. biflora White marsh marigold

native
Perennial herb

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

native
Annual herb

Calycadenia multiglandulosa Rosin weed, Sticky calycadenia, Sticky western rosinweed

native
Annual herb

Calycadenia truncata Rosin weed

native
Annual herb

Calycanthus occidentalis Spicebush, Sweet shrub

native
Shrub

CALYCANTHACEAE

Calypso bulbosa Fairy slipper, Fairyslipper orchid

native
Perennial herb

Calyptridium monospermum One seeded pussypaws

native
Perennial herb

Calyptridium umbellatum Cistanthe, Pussy paws, Pussy toes

native
Annual, Perennial herb

Calystegia atriplicifolia Nightblooming false bindweed

native
Perennial herb (rhizomatous)

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

native
Perennial herb

Calystegia malacophylla ssp. malacophylla

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

native
Perennial herb

Calystegia malacophylla var. malacophylla

Calystegia occidentalis var. tomentella Bush morning glory, Chaparral false bindweed, Western 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

Camassia leichtlinii ssp. suksdorfii Suksdorf's large camas

native
Perennial herb

Camassia quamash Camas, Common camas

native
Perennial herb

Camassia quamash ssp. breviflora Small camas, Smallflowered camas

native
Perennial herb

Camissonia contorta Contorted sun cup, Plains evening primrose

native
Annual herb

Campanula scouleri Scouler's harebell

native
Perennial herb

Capsella bursa-pastoris Shepherd's purse

non-native
Annual herb

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

native
Perennial herb

Cardamine californica var. californica California toothwort, milkmaids

native
Perennial herb

Cardamine californica var. cardiophylla California toothwort, milkmaids

native
Perennial herb

Cardamine californica var. integrifolia California toothwort, milkmaids

native
Perennial herb

Cardamine nuttallii Nuttall's toothwort

native
Perennial herb

Cardamine oligosperma Bitter cress, Idaho bittercress

native
Annual, Perennial herb

Cardamine pachystigma Rock toothwort, Serpentine bittercress

native
Perennial herb

Carduus pycnocephalus Italian thistle

• invasive non-native
Annual herb

Carex abrupta Abrupt beaked 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 var. aquatilis Water sedge

native
Perennial grasslike herb

Carex aquatilis var. dives Sitka sedge

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 bolanderi Bolander's sedge

native
Perennial grasslike herb

Carex brainerdii Brainerd's sedge

native
Perennial grasslike herb

Carex breweri var. breweri Brewer's sedge

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 cusickii Cusick's sedge

native
Perennial grasslike herb

Carex densa Dense sedge, Sedge

native
Perennial grasslike herb

Carex diandra Lesser panicled sedge

native
Perennial grasslike herb

Carex douglasii Douglas sedge, Douglas' sedge

native
Perennial grasslike herb

Carex echinata Bristle fruit sedge, Star sedge

native
Perennial grasslike herb

Carex vesicaria var. major Western inflated sedge

native
Perennial grasslike herb

Carex feta Feta sedge, Green sheathed sedge, Greensheath sedge

native
Perennial grasslike herb

Carex filifolia var. erostrata Shorthair sedge, Thread leaf sedge

native
Perennial grasslike herb

Carex amplectens Fragile sheath sedge, Fragile sheathed sedge

native
Perennial grasslike herb

Carex fracta Fragile sheath sedge, Fragile sheathed sedge

native
Perennial grasslike herb

$Carex fracta$
© 2022 Dana York

Carex geyeri Elk sedge, Elkgrass, Geyer's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex hassei Hasse's sedge, Salt 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 hirtissima Fuzzy sedge

native
Perennial grasslike herb

Carex hoodii Hood's sedge

native
Perennial grasslike herb

Carex illota Sheep sedge, Small headed 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 lasiocarpa Slender sedge, Woolly fruited sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex lemmonii Lemmon's sedge

native
Perennial grasslike herb

Carex lenticularis var. impressa Few ribbed sedge, Lakeshore sedge

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Carex leporinella Sierra hare sedge

native
Perennial grasslike herb

Carex luzulifolia Littleleaf sedge

native
Perennial grasslike herb

Carex luzulina var. ablata Wood rush sedge, Woodrush sedge

native
Perennial grasslike herb

Carex luzulina var. luzulina Wood rush sedge, Woodrush 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 nebrascensis Nebraska sedge

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Carex obnupta Coast carex, Slough sedge

native
Perennial grasslike herb

Carex pachystachya Chamisso sedge, Thick headed sedge

native
Perennial grasslike herb

Carex pellita Woolly sedge

native
Perennial grasslike herb

Carex lanuginosa Woolly sedge

native
Perennial grasslike herb

Carex petasata Liddon sedge, Liddon's sedge

• rare native
Perennial grasslike herb

Carex praegracilis Clustered field sedge, Field sedge

native
Perennial grasslike herb

Carex preslii Presl's 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 sartwelliana Yosemite sedge

native
Perennial grasslike herb

Carex gigas Siskiyou sedge

• rare native
Perennial grasslike herb (rhizomatous)

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

native
Perennial grasslike herb

Carex serratodens Bifid sedge, Two tooth sedge

native
Perennial grasslike herb

Carex specifica Narrow fruit sedge

native
Perennial grasslike herb

Carex straminiformis Shasta sedge, Straw like sedge

native
Perennial grasslike herb

Carex subfusca Brown sedge, Rusty slender sedge

native
Perennial grasslike herb

Carex tumulicola Foothill sedge, Slender sedge, Split awn sedge

native
Perennial grasslike herb

Carex utriculata Beaked sedge, Northwest territory sedge

native
Perennial grasslike herb

Carex vesicaria Blister sedge

native
Perennial grasslike herb

Carex vesicaria var. vesicaria Blister sedge

native
Perennial grasslike herb

Carex whitneyi Whitney's sedge

native
Perennial grasslike 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 applegatei Pine indian paintbrush, Wavy leaf paintbrush, Wavy leaved 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 arachnoidea Cobwebby indian paintbrush, Cobwebby paintbrush

native
Perennial herb

Castilleja attenuata Narrow leaved owl's clover, Valley tassels

native
Annual herb

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

native
Annual herb

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

native
Perennial herb

Orthocarpus hispidus Hairy indian paintbrush, Hairy owl's clover

native
Annual herb

Ceanothus cordulatus Mountain whitethorn

native
Shrub

Ceanothus cuneatus Buck brush, Wedgeleaf ceanothus

native
Shrub

Ceanothus diversifolius Pinemat

native
Shrub

Ceanothus fresnensis Fresno ceanothus, Fresno mat

• rare native
Shrub

Ceanothus integerrimus Deer brush, Deerbrush

native
Shrub

Ceanothus lemmonii Lemmon's ceanothus

native
Shrub

Ceanothus leucodermis Chaparral whitethorn

native
Shrub

Ceanothus parvifolius Little leaf ceanothus, Littleleaf ceanothus

native
Shrub

Ceanothus pinetorum Coville ceanothus, Kern ceanothus

• rare native
Shrub

Ceanothus prostratus Mahala mats, Pinemat

native
Shrub

Ceanothus prostratus var. laxus Mahala mat

native
Shrub

Ceanothus pumilus Dwarf ceanothus, Siskiyou mat

native
Shrub

Ceanothus thyrsiflorus Blueblossom

native
Tree, Shrub

Ceanothus tomentosus var. tomentosus Woolly leaf ceanothus, Woolyleaf ceanothus

native
Shrub

Ceanothus velutinus var. velutinus Tobacco brush, snowbrush

native
Tree, Shrub

Ceanothus velutinus var. hookeri Tobacco brush, snowbrush

native
Tree, Shrub

Centaurea solstitialis Barnaby's thistle, Yellow star thistle

• invasive non-native
Annual herb

Cephalanthera austiniae Phantom orchid

native
Perennial herb

Cerastium arvense Field chickweed, Meadow 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

Cercis occidentalis Redbud, Western redbud

native
Tree, Shrub

Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany

native
Tree, Shrub

Cercocarpus betuloides var. macrourus Few flowered mountain mahogany

native
Tree, Shrub

Cercocarpus ledifolius Curl leaf mountain mahogany, Desert mountain mahogany

native
Tree, Shrub

Chaenactis douglasii Chaenactis, Hoary chaenactis

native
Annual, Perennial herb

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 suffrutescens Shasta chaenactis

• rare native
Perennial herb

Chamaebatia foliolosa Bearclover, mountain misery, Sierran mountain misery

native
Shrub

Chamaebatiaria millefolium Desertsweet, Fern bush

native
Shrub

Cupressus lawsoniana Port orford cedar

native
Tree

Chamaecyparis lawsoniana Port orford cedar

native
Tree

Chamaesaracha nana Dwarf chamaesaracha, Dwarf chamaesarachia

native
Perennial herb

Epilobium angustifolium ssp. angustifolium Fireweed

native
Perennial herb

Epilobium angustifolium ssp. angustifolium

Chamerion angustifolium Fireweed

native
Perennial herb

Epilobium angustifolium ssp. circumvagum Fireweed

native
Perennial herb

Epilobium angustifolium ssp. circumvagum

Chimaphila menziesii Little prince's pine, Pipsissewa

native
Perennial herb

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

native
Perennial herb

Chlorogalum grandiflorum Red hills soap plant, Red hills soaproot

• rare native
Perennial herb (bulb)

Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant

native
Perennial herb

Chlorogalum pomeridianum var. pomeridianum

Chondrilla juncea Hogbite, Skeleton weed

• invasive non-native
Perennial herb

Chorizanthe polygonoides Knotweed spineflower

native
Annual herb

Chrysolepis chrysophylla Giant chinquapin, Golden chinquapin

native
Tree, Shrub

Chrysolepis sempervirens Bush chinquapin, Sierra chinquapin

native
Shrub

Chrysothamnus viscidiflorus ssp. viscidiflorus Sticky leaved rabbitbrush, Yellow rabbitbrush

native
Shrub

Chrysothamnus viscidiflorus ssp. viscidiflorus

Cichorium intybus Chicory

non-native
Perennial herb

Cicuta douglasii Western water hemlock

native
Perennial herb

Cinna latifolia Drooping wood reed, Wood reedgrass

native
Perennial grass

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 arvense Canada thistle

• invasive non-native
Perennial herb

Cirsium brevistylum Clustered thistle, Indian thistle

native
Perennial herb

Cirsium cymosum Peregrine 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 occidentale Cobweb thistle, Western thistle

native
Perennial herb

Cirsium scariosum Dwarf thistle, Elk thistle

native
Perennial herb

Cirsium vulgare Bull thistle

• invasive non-native
Perennial herb

Clarkia biloba ssp. biloba Two lobed clarkia, Twolobe clarkia

native
Annual herb

Clarkia borealis ssp. borealis Northern clarkia

• rare native
Annual herb

Clarkia gracilis ssp. gracilis Graceful clarkia, Slender clarkia

native
Annual herb

Clarkia lassenensis Lassen clarkia, Lassen godetia

native
Annual herb

Clarkia mildrediae ssp. lutescens Mildred's clarkia

• rare native
Annual herb

Clarkia mosquinii Mosquin's clarkia

• rare native
Annual herb

Clarkia purpurea Purple clarkia, Winecup clarkia

native
Annual herb

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

native
Annual herb

Clarkia rhomboidea Diamond clarkia, Diamond petaled clarkia, Diamond fairyfan

native
Annual herb

Clarkia stellata Lake almanor clarkia

native
Annual herb

Clarkia virgata Sierra clarkia

• rare native
Annual herb

Claytonia exigua Little 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 palustris Jonesville springbeauty, Marsh claytonia

• rare native
Perennial herb

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

• rare native
Annual herb

Montia parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce

native
Annual herb

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

native
Annual herb

Claytonia perfoliata ssp. intermontana Miner's lettuce

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

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

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

native
Perennial herb, Vine

Satureja douglasii Yerba buena

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

Collinsia bartsiifolia White blue eyed mary, White collinsia

native
Annual herb

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

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 linearis Narrow leaf collinsia, Narrowleaf 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 var. sparsiflora Few flowered collinsia

native
Annual herb

Collinsia torreyi 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 grandiflora Grand collomia, Large flowered collomia, Mountain collomia

native
Annual herb

Collomia heterophylla Variableleaf collomia, Varied leaved collomia

native
Annual herb

Collomia linearis Narrow leaved collomia, Slenderleaf collomia, Tiny trumpet

native
Annual herb

Collomia tinctoria Staining Collomia, Yellow staining collomia

native
Annual herb

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

native
Perennial herb (parasitic)

COMANDRACEAE

Potentilla palustris Marsh cinquefoil

native
Perennial herb

Conium maculatum Poison hemlock

• invasive non-native
Perennial herb

Convolvulus arvensis Field bindweed, Orchard morningglory

• invasive non-native
Perennial herb, Vine

Coptis laciniata Oregon golden thread, Oregon goldthread

• rare native
Perennial herb

Corallorhiza maculata Spotted coralroot, Summer coral root, Summer 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

Corallorrhiza striata Hooded coralroot, Striped coral root

native
Perennial herb

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

native
Annual herb

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

Lessingia filaginifolia var. filaginifolia Common sandaster

native
Perennial herb

Lessingia filaginifolia var. filaginifolia

Cornus glabrata Brown dogwood

native
Tree, Shrub

Cornus nuttallii Mountain dogwood, Pacific dogwood, Pacific mountain 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 sessilis Blackfruit dogwood, Miners dogwood, Western cornelian cherry

native
Tree

Cornus canadensis Bunch berry

• rare native
Perennial herb

Cortaderia jubata Pampas grass, Purple pampas grass

• invasive non-native
Perennial grass

Cortaderia selloana Uruguayan pampas grass

• invasive non-native
Perennial grass

Corydalis caseana ssp. caseana Sierra corydalis, Sierra fumewort

native
Perennial herb

Corylus cornuta var. californica Beaked hazelnut

native
Shrub

Crataegus douglasii Black hawthorn, Douglas' hawthorn

native
Tree, Shrub

Crataegus suksdorfii Klamath hawthorn

native
Tree, Shrub

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

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 pleurocarpa Naked stemmed hawksbeard, Nakedstem hawksbeard

native
Perennial herb

Eremocarpus setigerus Turkey-mullein

native
Annual herb

Croton setigerus Turkey-mullein

native
Annual herb

Crypsis alopecuroides Foxtail prickle grass, Foxtail pricklegrass

non-native
Annual grass

Cryptantha affinis Common cryptantha, Quill cryptantha, Side grooved cryptantha

native
Annual herb

Cryptantha echinella Prickly cryptantha

native
Annual herb

Cryptantha intermedia Clearwater cryptantha, Common 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 milobakeri Milo baker's cryptantha

native
Annual herb

Cryptantha simulans Pine cryptantha, Pinewoods cryptantha

native
Annual herb

Cryptantha torreyana Torrey's cryptantha

native
Annual herb

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

native
Fern

Cuscuta californica California dodder, Chaparral dodder

native
Annual herb, Vine (parasitic)

Cuscuta howelliana Boggs lake dodder

native
Vine

Cuscuta californica var. breviflora California dodder

native
Annual herb, Vine (parasitic)

Cuscuta subinclusa Canyon dodder

native
Annual herb, Vine (parasitic)

Cusickiella douglasii Alkali cusickiella, Alkali draba

native
Perennial herb

Cycladenia humilis var. humilis Cycladenia, Sacramento waxydogbane

native
Perennial herb

Cymopterus terebinthinus var. californicus Pteryxia, Turpentine cymopterus

native
Perennial herb

Cymopterus terebinthinus var. californicus

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 eragrostis Tall cyperus, Tall flatsedge

native
Perennial grasslike herb

Cyperus esculentus Chufa flatsedge, Nut grass, Yellow nutgrass

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)

Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern

native
Fern

CYSTOPTERIDACEAE

Cytisus scoparius Scotch broom, Scotchbroom

• invasive non-native
Shrub

Dactylis glomerata Orchard grass, Orchardgrass

• invasive non-native
Perennial grass

Damasonium californicum California damsonium

native
Perennial herb (aquatic)

ALISMATACEAE

Danthonia californica California oatgrass

native
Perennial grass

Danthonia intermedia Timber oatgrass

native
Perennial grass

Danthonia unispicata One spiked oatgrass, Onespike danthonia, Onespike oatgrass

native
Perennial grass

Darlingtonia californica California pitcherplant

• rare native
Perennial herb (carnivorous)

SARRACENIACEAE

Darmera peltata Indian rhubarb, Umbrella plant

native
Perennial herb

Potentilla fruticosa Shrubby cinquefoil

native
Shrub

Datisca glomerata Durango root

native
Perennial herb

DATISCACEAE

Daucus pusillus American wild carrot, Rattlesnake weed

native
Annual herb

Hemizonia corymbosa Coastal tarweed

native
Annual herb

Delphinium cardinale Scarlet larkspur

native
Perennial herb

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

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 trolliifolium Columbian larkspur, Cow poison

native
Perennial herb

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 danthonioides Annual hairgrass

native
Annual grass

Deschampsia elongata Hairgrass, Slender hairgrass

native
Perennial grass

Dianthus armeria ssp. armeria Grass pink

non-native
Annual, Biennial herb

Velezia rigida

non-native
Annual herb

Dicentra formosa Pacific bleeding heart, Pacific bleedinghearts

native
Perennial herb

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 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

Dieteria canescens var. canescens Hoary aster

native
Perennial herb

Digitalis purpurea Purple foxglove

• invasive non-native
Perennial herb

Mimulus angustatus narrow leaved pansey monkey flower

native
Annual herb

Mimulus aurantiacus Orange Bush Monkeyflower

native
Shrub

Mimulus bolanderi Bolander's monkeyflower

native
Annual herb

Mimulus congdonii Congdon's monkeyflower

native
Annual herb

Mimulus douglasii Purple mouse ears

native
Annual herb

Mimulus kelloggii Kellogg's monkeyflower

native
Annual herb

Mimulus layneae Layne's monkeyflower

native
Annual herb

Mimulus mephiticus Skunky monkeyflower

native
Annual herb

Mimulus nanus Dwarf monkeyflower, Dwarf monkey flower

native
Annual herb

Mimulus pulchellus yellow-lip pansy monkeyflower

• rare native
Annual herb

Mimulus pygmaeus Egg Lake monkeyflower

• rare native
Annual herb

Mimulus torreyi Torrey's monkeyflower

native
Annual herb

Mimulus tricolor Tricolor monkeyflower

native
Annual herb

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

• invasive non-native
Perennial herb

DIPSACACEAE

Brodiaea pulchella Blue dicks

native
Perennial herb

Eucephalus breweri

native
Perennial herb

Downingia bacigalupii Bach's calicoflower, Bach's downingia

native
Annual herb

Downingia elegans Elegant calicoflower, Elegant downingia

native
Annual herb

Downingia montana Sierra calicoflower, Sierra downingia

native
Annual herb

Downingia yina Cascade calicoflower, Cascade downingia

native
Annual herb

Draba verna Spring draba, Whitlow grass, Whitlowgrass

non-native
Annual herb

Draperia systyla Draperia, Violet draperia

native
Perennial herb

Drosera anglica English sundew, Long leaved sundew

• rare native
Perennial herb (carnivorous)

DROSERACEAE

Drosera rotundifolia Round leaved sundew, Roundleaf sundew

native
Perennial herb

DROSERACEAE

Drymocallis glandulosa var. glandulosa Sticky cinquefoil

native
Perennial herb

Potentilla glandulosa ssp. hansenii Yosemite woodbeauty

native
Perennial herb

Potentilla glandulosa ssp. ashlandica Austin's woodbeauty

native
Perennial herb

Potentilla glandulosa ssp. nevadensis Sierran woodbeauty

native
Perennial herb

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

native
Fern

Dudleya cymosa ssp. cymosa Canyon dudleya, Canyon liveforever

native
Perennial herb

Dulichium arundinaceum Dulchium, Three way sedge, Threeway sedge

native
Perennial grasslike herb

Chenopodium ambrosioides Mexican tea

non-native
Annual, Perennial herb

CHENOPODIACEAE

Chenopodium botrys Jerusalem oak goosefoot

non-native
Annual herb

CHENOPODIACEAE

Eleocharis acicularis var. acicularis Needle spike rush, Needle spikerush

native
Perennial grasslike herb

Eleocharis bolanderi Bolander's spikerush

native
Perennial 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 var. obtusa Blunt spike rush, Blunt spikerush, Broad spiked spikerush

native
Annual grasslike herb

Eleocharis palustris Common spikerush

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Eleocharis quinqueflora Fewflower spikerush

native
Perennial grasslike herb

Elodea canadensis Canadian waterweed, Common water weed, Elodea

native
Perennial herb

HYDROCHARITACEAE

Taeniatherum caput-medusae Medusa head

• invasive non-native
Annual grass

Elymus caput-medusae Medusa head

• invasive non-native
Annual grass

Leymus cinereus Great basin wild rye

native
Perennial grass

Leymus condensatus Giant wild rye

native
Perennial grass

Elymus elymoides ssp. brevifolius Squirrel tail grass

native
Perennial grass

Elymus elymoides ssp. californicus Squirrel tail grass

native
Perennial grass

Elymus elymoides ssp. elymoides Squirrel tail grass

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

Thinopyrum intermedium Intermediate wheatgrass

non-native
Perennial grass

Elytrigia elongata Tall wheat grass

non-native
Perennial grass

Elytrigia pontica ssp. pontica Tall wheat grass

non-native
Perennial grass

Elytrigia repens Quack grass

non-native
Perennial grass

Elymus spicatus Blue bunch wheat grass

native
Perennial grass

Elymus trachycaulus Slender wheatgrass

native
Perennial grass

Elymus trachycaulus ssp. subsecundus Slender wheatgrass

native
Perennial grass

Elymus trachycaulus ssp. trachycaulus Slender wheatgrass

native
Perennial grass

Elymus triticoides Beardless wild rye

native
Perennial grass

Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells

native
Annual herb

Emmenanthe penduliflora var. penduliflora

Isopyrum stipitatum Siskiyou false rue anemone

native
Perennial herb

Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb

native
Annual herb

Epilobium campestre Smooth boisduvalia

native
Annual herb

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

native
Perennial herb

Epilobium ciliatum var. 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 densiflorum Dense boisduvalia, Dense flowered boisduvalia, Dense flowered spike primrose

native
Annual herb

Epilobium glaberrimum ssp. glaberrimum Glaucus willowherb, Smooth willowherb

native
Perennial herb

Epilobium halleanum Hall's willowherb

native
Perennial herb

Epilobium hallianum Hall's willowherb

native
Perennial herb

Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb

native
Annual herb

Epilobium oreganum Grants pass willowherb, Oregon fireweed

• rare native
Perennial herb

Epilobium oregonense Oregon willowherb, Slimstem willowweed

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

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

native
Fern

Equisetum hyemale ssp. affine Giant scouring rush

native
Fern

Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush

native
Fern

Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail

native
Fern

Arenaria aculeata Prickly sandwort

native
Perennial herb

Eremogone cliftonii Clifton's eremogone

• rare native
Perennial herb

Arenaria congesta Ballhead Sandwort

native
Perennial herb

Eremogone congesta Ballhead Sandwort

native
Perennial herb

Eremogone congesta ssp. crassula Ballhead Sandwort

native
Perennial herb

Arenaria congesta var. crassula Rough sandwort

native
Perennial herb

Arenaria congesta var. suffrutescens Suffrutescent sandwort

native
Perennial herb

Arenaria kingii var. glabrescens King's smooth sandwort

native
Perennial herb

Ericameria arborescens Golden fleece, Goldenfleece

native
Shrub

Ericameria bloomeri Bloomer's goldenbush, Goldenweed, Rabbitbush

native
Shrub

Ericameria greenei Greene's goldenbush, Greene's goldenweed

native
Shrub

Ericameria nauseosa Rubber rabbitbrush

native
Shrub

Chrysothamnus nauseosus ssp. bernardinus San bernardino rubber rabbitbrush

native
Shrub

Chrysothamnus nauseosus ssp. bernardinus

Chrysothamnus nauseosus ssp. albicaulis Showy Rabbitbrush

native
Shrub

Chrysothamnus parryi ssp. latior Parry's rabbitbrush

native
Shrub

Ericameria parryi var. latior Parry's rabbitbrush

native
Shrub

Erigeron annuus Annual fleabane, Eastern daisy fleabane

non-native
Annual herb

Erigeron aphanactis var. aphanactis Rayless shaggy fleabane

native
Perennial herb

Erigeron barbellulatus Shining daisy, Shining fleabane

native
Perennial herb

Erigeron bloomeri var. bloomeri Scabland fleabane

native
Perennial herb

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

native
Perennial herb

Conyza canadensis Canada horseweed

native
Annual herb

Erigeron austiniae Rebecca austin's fleabane

native
Perennial herb

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

native
Perennial herb

Erigeron filifolius var. filifolius Threadleaf fleabane

native
Perennial herb

Erigeron peregrinus var. callianthemus Wandering 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 lassenianus var. deficiens Mt. lassen fleabane

• rare native
Perennial herb

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

native
Perennial herb

Erigeron petrophilus var. sierrensis Northern sierra daisy, Sierra erigeron

• rare native
Perennial herb (rhizomatous)

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

native
Perennial herb

Eriodictyon californicum California yerba santa, Yerba santa

native
Shrub

NAMACEAE

Nama lobbii Matted yerba santa

native
Perennial herb

NAMACEAE

Eriogonum alpinum Trinity buckwheat

• rare native
Perennial herb (rhizomatous)

Eriogonum baileyi var. baileyi Bailey's buckwheat

native
Annual 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 douglasii var. douglasii Douglas' buckwheat

native
Perennial herb

Eriogonum douglasii var. meridionale Douglas' buckwheat

native
Perennial herb

Eriogonum gracile Slender buckwheat, Slender woolly buckwheat

native
Annual herb

Eriogonum incanum Frosted 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 luteolum var. luteolum Golden buckwheat, Goldencarpet buckwheat

native
Annual herb

Eriogonum marifolium Marum leaved buckwheat, Marumleaf buckwheat

native
Shrub

Eriogonum microthecum var. ambiguum Yellow-flowered wild buckwheat

native
Perennial herb

Eriogonum nudum Naked buckwheat, Nude buckwheat

native
Shrub

Eriogonum nudum var. deductum Naked buckwheat

native
Shrub

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

native
Shrub

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

• rare native
Perennial herb, Shrub

Eriogonum pyrolifolium var. pyrolifolium

Eriogonum siskiyouense Siskiyou buckwheat

• rare native
Perennial herb

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

native
Annual herb

Eriogonum sphaerocephalum var. halimioides Rock buckwheat, Round headed buckwheat

native
Perennial herb

Eriogonum sphaerocephalum var. halimioides

Eriogonum strictum var. anserinum Blue mountain buckwheat

native
Perennial herb

Eriogonum umbellatum Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. humistratum Mt. Eddy buckwheat

• rare native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

Eriogonum umbellatum var. torreyanum Donner pass buckwheat

• rare 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 wrightii Bastardsage, 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

Eriophyllum lanatum Common woolly sunflower, Common woollysunflower, Wooly sunflower

native
Perennial herb

Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly 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. integrifolium Common woolly sunflower, Oregon sunshine

native
Perennial herb

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

native
Perennial herb

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

non-native
Annual herb

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

• invasive non-native
Annual herb

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

native
Perennial herb

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

native
Perennial herb

Eryngium castrense Great valley button celery, Great valley eryngo

native
Perennial herb

Eryngium mathiasiae Mathias' button celery, Mathias' eryngo

native
Perennial herb

Erysimum capitatum ssp. perenne Sanddune wallflower, Western wallflower

native
Perennial herb

Erysimum capitatum ssp. capitatum Sanddune wallflower, Western wallflower

native
Perennial herb

Mimulus bicolor Yellow and white monkeyflower

native
Annual herb

Mimulus breviflorus Short flowered monkeyflower

native
Annual herb

Mimulus breweri Brewer's monkeyflower

native
Annual herb

Mimulus cardinalis Cardinal monkey flower

native
Perennial herb

Mimulus dentatus Tooth leaved monkeyflower

native
Perennial herb

Mimulus floribundus Many flowered monkeyflower

native
Annual herb

Mimulus glaucescens shield-bracted monkeyflower

• rare native
Annual herb

Mimulus guttatus Seep monkey flower, Yellow monkey flower

native
Annual, Perennial herb (rhizomatous)

Mimulus lewisii Lewis' monkey flower

native
Perennial herb

Mimulus primuloides ssp. linearifolius Primrose monkeyflower

native
Perennial herb

Mimulus moschatus Musk monkeyflower

native
Perennial herb

Mimulus primuloides Primrose monkeyflower

native
Perennial herb

Mimulus pulsiferae Candelabrum monkey flower

native
Annual herb

Mimulus suksdorfii Suksdorf's monkeyflower

native
Annual herb

Erythronium californicum California fawn lily, California fawnlily

native
Perennial herb (bulb)

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

• rare native
Perennial herb (bulb)

Erythronium purpurascens Purple fawn lily, Plain leaf fawn lily

native
Perennial herb (bulb)

Erythronium revolutum Mahogany fawn lily

• rare native
Perennial herb (bulb)

Eschscholzia californica California poppy

native
Annual, Perennial herb

Aster breweri Brewer's aster

native
Perennial herb

Gnaphalium japonicum Father and child plant

non-native
Annual herb

Euphorbia crenulata Chinese caps, Chinesecaps

native
Annual, Perennial herb

Chamaesyce serpyllifolia Thyme-leafed spurge

native
Annual herb

Aster integrifolius Thickstem aster

native
Perennial herb

Aster radulinus Roughleaf aster

native
Perennial herb

Eurybia radulina Roughleaf aster

native
Perennial herb

Vulpia bromoides Brome fescue

non-native
Annual grass

Festuca 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

Vulpia microstachys Small fescue

native
Annual grass

Vulpia microstachys var. ciliata Small fescue

native
Annual grass

Vulpia microstachys var. pauciflora Small fescue

native
Annual grass

Vulpia myuros Rattail sixweeks grass

• invasive non-native
Annual grass

Festuca occidentalis Western fescue

native
Perennial grass

Vulpia octoflora var. octoflora Sixweeks grass

native
Annual grass

Lolium multiflorum 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 subulata Bearded fescue, Nodding fescue

native
Perennial grass

Festuca subuliflora Coast range fescue, Crinkleawn fescue

native
Perennial grass

Festuca viridula Greenleaf fescue, Mountain bunch fescue

native
Perennial grass

Fragaria vesca California strawberry, Wild strawberry, Wood strawberry

native
Perennial herb

Fragaria virginiana Mountain strawberry, Scarlet strawberry, Virginia strawberry

native
Perennial herb

Rhamnus tomentella ssp. crassifolia Serpentine hoary coffeeberry

native
Shrub

Rhamnus californica ssp. occidentalis Western california coffeeberry

native
Shrub

Rhamnus tomentella ssp. tomentella Hoary coffeeberry

native
Shrub

Frangula californica ssp. tomentella Hoary coffeeberry

native
Shrub

Frangula purshiana var. ultramafica Cascara buckthorn

native
Tree, Shrub

Rhamnus purshiana Cascara buckthorn

native
Tree, Shrub

Frangula purshiana var. anonifolia Cascara buckthorn

native
Tree, Shrub

Rhamnus rubra Red buckthorn

native
Shrub

Frangula rubra Red buckthorn

native
Shrub

Swertia albicaulis Whitestem frasera

native
Perennial herb

Swertia albicaulis var. nitida Whitestem frasera

native
Perennial herb

Swertia puberulenta Inyo frasera

native
Perennial herb

Fraxinus latifolia Oregon ash

native
Tree

OLEACEAE

Fritillaria affinis Checker lily, Mission bells

native
Perennial herb (bulb)

Fritillaria atropurpurea Mountain fritillary, Purple fritillary, Spotted fritillary

native
Perennial herb

Fritillaria eastwoodiae Butte county fritillary

• rare native
Perennial herb (bulb)

Fritillaria micrantha Brown bells, Brown fritillary

native
Perennial herb

Fritillaria purdyi Purdy's fritillary

• rare native
Perennial herb (bulb)

Fritillaria recurva Scarlet fritillary

native
Perennial herb

Galium ambiguum Yolla bolly bedstraw

native
Perennial herb

Galium ambiguum var. siskiyouense Siskiyou bedstraw

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 californicum ssp. californicum California bedstraw

native
Perennial herb

Galium hypotrichium var. hypotrichium Alpine bedstraw

native
Perennial herb

Galium hypotrichium ssp. hypotrichium Alpine bedstraw

native
Perennial herb

Galium asperulum Mexican bedstraw

native
Perennial herb

Galium mexicanum var. asperulum Mexican bedstraw

native
Perennial herb

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

native
Perennial herb

Galium parisiense Wall bedstraw

non-native
Annual herb

Galium porrigens var. tenue Graceful bedstraw

native
Vine, Shrub

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

• rare native
Perennial herb

Galium sparsiflorum Sequoia 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

Gnaphalium purpureum Featherweed

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 fremontii Bearbrush, Fremont's silk tassel

native
Shrub

Gastridium ventricosum Nit grass

non-native
Annual grass

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 racemosum Black foot gayophytum, Black footed groundsmoke, Blackfoot groundsmoke

native
Annual herb

Gayophytum ramosissimum Pinyon gayophytum, Pinyon groundsmoke

native
Annual herb

Genista monspessulana French broom

• invasive non-native
Shrub

Gentiana calycosa Explorer's Gentian , Rainier pleated gentian

native
Perennial herb

Gentianopsis holopetala Sierra fringed gentian, Sierra gentian

native
Annual herb

Geranium californicum California cranesbill, California geranium

native
Perennial herb

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

• invasive non-native
Annual herb

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

• invasive non-native
Annual, Perennial herb

Geranium richardsonii Richardson's geranium

native
Perennial herb

Geum macrophyllum Large leaved avens, Largeleaf avens

native
Perennial herb

Geum triflorum var. ciliatum Prairie-smoke

native
Perennial herb

Gilia capitata Blue field gilia, Bluehead gilia

native
Annual herb

Gilia capitata ssp. mediomontana Blue field gilia, Foothill gilia

native
Annual herb

Gilia capitata ssp. pedemontana Blue field gilia, Bluehead gilia

native
Annual herb

Gilia leptantha Fine flower gilia, Fineflower gilia

native
Annual herb

Githopsis specularioides Common bluecup, Venus' looking glass

native
Annual herb

Glossopetalon spinescens Nevada greasewood, Spiny greasebush

native
Shrub

CROSSOSOMATACEAE

Glyceria elata Fowl mannagrass, Tall mannagrass

native
Perennial grass

Glyceria striata Fowl mannagrass

native
Perennial grass

Glyceria occidentalis Western manna grass

non-native
Perennial grass (aquatic)

Gnaphalium palustre Lowland cudweed, Western marsh cudweed

native
Annual herb

Goodyera oblongifolia Rattlesnake plantain, Western rattlesnake plantain

native
Perennial herb

Gratiola ebracteata Bractless hedge hyssop, Common hedge hyssop

native
Annual herb

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

native
Perennial herb

Grindelia hirsutula var. davyi Common gumplant, Great valley gumweed, Gum plant

native
Perennial herb

Grindelia squarrosa var. serrulata Curlycup gumweed, Great plains resinweed

non-native
Perennial herb

Gymnosteris parvula Small flowered gymnosteris, Smallflower gymnosteris

native
Annual herb

Hackelia californica California 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 velutina Velvet stickseed, Velvety stickseed

native
Perennial herb

Hastingsia alba Reed lily, White bog hastingsia, White hastingsia

native
Perennial herb

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

native
Perennial herb

Hedera helix English ivy

• invasive non-native
Vine, Shrub

ARALIACEAE

Helenium bigelovii Bigelow's sneezeweed, Sneezeweed

native
Perennial herb

Helenium puberulum Rosilla, Sneezeweed

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

Helianthus exilis Serpentine sunflower

• rare native
Annual 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 ssp. tracyi Hayfield tarweed, Tracy's tarplant

• rare native
Annual herb

Heracleum lanatum Common cow parsnip

native
Perennial herb

Herniaria hirsuta ssp. cinerea Herniaria

non-native
Annual herb

Hesperochiron californicus California hesperochiron

native
Perennial herb

Hesperochiron pumilus Dwarf hesperochiron

native
Perennial herb

Cupressus bakeri Baker's cypress

• rare native
Tree

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

native
Annual herb

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

native
Annual herb

Heteromeles arbutifolia Christmas berry, Toyon

native
Shrub

Heuchera micrantha var. erubescens Alum root, Crevice alumroot

native
Perennial herb

Hieracium albiflorum White flowered hawkweed, White 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 scouleri Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed

native
Perennial herb

Hieracium gracile Woolly hawkweed

native
Perennial herb

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

native
Perennial herb (aquatic)

Holcus lanatus Common velvetgrass, Velvet grass, Velvetgrass

• invasive non-native
Perennial grass

Holodiscus discolor Cream bush, Ocean spray, Oceanspray

native
Shrub

Holodiscus microphyllus var. microphyllus Small-leaf creambush

native
Shrub

Holodiscus microphyllus var. microphyllus

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 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. leporinum Farmer's foxtail, Foxtail barley, Hare barley

non-native
Annual grass

Hordeum murinum ssp. murinum Wall barley

non-native
Annual grass

Horkelia californica ssp. californica California horkelia

native
Perennial herb

Horkelia californica ssp. dissita California horkelia

native
Perennial herb

Horkelia daucifolia Carrot leafed horkelia, Carrotleaf horkelia

native
Perennial herb

Horkelia fusca ssp. parviflora Tawny horkelia

native
Perennial herb

Horkelia fusca ssp. capitata Tawny horkelia

native
Perennial herb

Horkelia tridentata ssp. flavescens Three toothed horkelia

native
Perennial herb

Horkelia tridentata ssp. tridentata Three toothed horkelia

native
Perennial herb

Hosackia crassifolia var. crassifolia Broad leaved lotus

native
Perennial herb

Hosackia oblongifolia var. oblongifolia Narrow leaved lotus

native
Perennial herb

Hosackia pinnata Pinnate lotus

native
Perennial herb

Lotus aboriginus Rose flowered lotus

native
Perennial herb

Hosackia stipularis var. ottleyi Ottley's stipulate lotus

native
Perennial herb

Hosackia stipularis var. stipularis Stipulate lotus

native
Perennial herb

Howellanthus dalesianus Scott mountain phacelia

• rare native
Perennial herb

Hulsea heterochroma Red rayed hulsea, Redray alpinegold

native
Perennial herb

Hydrophyllum capitatum var. alpinum Alpine breeches

native
Perennial herb

Hydrophyllum capitatum ssp. alpinum Ballhead 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

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

native
Annual, Perennial herb

Hypericum concinnum Gold wire, Goldwire

native
Perennial herb

Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed

• invasive non-native
Perennial herb

Hypericum formosum 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

Idahoa scapigera Oldstem idahoa

native
Annual herb

Ipomopsis aggregata ssp. formosissima Scarlet gilia

native
Perennial herb

Ipomopsis bridgesii Bridge's gilia, Scarlet gilia

native
Perennial herb

Ipomopsis congesta ssp. congesta Ball headed gilia, Ballhead ipomopsis

native
Perennial herb

Iris douglasiana Douglas iris, Douglas' 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 macrosiphon Bowltube iris, Ground iris, Long tubed iris

native
Perennial herb

Iris purdyi Purdy's iris

native
Perennial herb

Iris tenax ssp. klamathensis Klamath iris, Orleans iris

• rare native
Perennial herb (rhizomatous)

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

Isoetes bolanderi Bolander's quillwort

native

ISOETACEAE

Isoetes nuttallii Nuttall's quillwort

native

ISOETACEAE

Isoetes orcuttii Orcutt's quillwort

native

ISOETACEAE

Isolepis setacea Bristleleaf bulrush

non-native
Perennial grasslike 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 santolinoides Mouse tail ivesia, Sierra ivesia, Sierra mousetail

native
Perennial herb

Madia rammii Ramm's madia

native
Annual herb

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

native
Perennial grasslike herb

Juncus balticus Baltic rush, Wire rush

native
Perennial grasslike herb

Juncus bolanderi Bolander's rush

native
Perennial grasslike herb

Juncus bryoides Moss rush

native
Annual grasslike herb

Juncus bufonius var. bufonius Toad rush

native
Annual grasslike herb

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

native
Perennial grasslike herb

Juncus chlorocephalus Green headed rush, Greenhead rush

native
Perennial grasslike herb

Juncus confusus Colorado rush

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 effusus var. pacificus Pacific rush

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Juncus effusus var. exiguus Klamath or weak rush

native
Perennial grasslike herb

Juncus effusus var. brunneus Coast or bog rush

native
Perennial grasslike herb

Juncus macrandrus Long anthered rush, Longanther rush

native
Perennial grasslike herb

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 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 tenuis Poverty rush, Slender rush

native
Perennial grasslike herb

Juncus torreyi Torrey's rush

native
Perennial grasslike herb

Juncus xiphioides Iris leaved rush, Irisleaf rush

native
Perennial grasslike herb

Juniperus communis Common juniper, Dwarf juniper

native
Shrub

Juniperus grandis Sierra juniper

native
Tree

Juniperus occidentalis var. occidentalis Western juniper

native
Tree

Juniperus occidentalis var. occidentalis

Kalmia polifolia Mountain laurel, Bog laurel

native
Shrub

Keckiella breviflora var. breviflora Gaping keckiella, Gaping penstemon

native
Shrub

Keckiella breviflora var. glabrisepala Hairless gaping keckiella

native
Shrub

Keckiella corymbosa Red beardtongue, Redwood keckiella

native
Shrub

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

native
Shrub

Kelloggia galioides Milk kelloggia

native
Perennial herb

Koeleria macrantha June grass, Prairie junegrass

native
Perennial grass

Kopsiopsis strobilacea ground cone, groundcone , California ground-cone

native
Perennial herb (parasitic)

Boschniakia strobilacea ground cone, groundcone , California ground-cone

native
Perennial herb (parasitic)

Kyhosia bolanderi Bolander's madia

native
Perennial herb

Madia bolanderi Bolander's madia

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 serriola Prickly lettuce, Prickly wild lettuce

• invasive non-native
Annual herb

Lactuca virosa Bitter lettuce, Poison wild lettuce

non-native
Perennial herb

Lagophylla glandulosa Glandular hareleaf

native
Annual herb

Lathyrus japonicus Beach pea, Sea pea

• rare 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 var. aridus Dryland nevada pea

native
Perennial herb

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

native
Perennial herb

Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea

non-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 sulphureus var. argillaceus Dubious pea, Snub pea

• rare native
Perennial herb

Lathyrus sulphureus var. sulphureus Brewer's pea, Snub pea

native
Perennial herb

Lathyrus torreyi Redwood pea, Torrey's pea

native
Perennial herb

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

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

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

non-native
Annual, Perennial herb

Lepidium virginicum var. pubescens Robinson's pepper grass

native
Annual herb

Linanthus androsaceus False babystars

native
Annual herb

Linanthus bolanderi Bolander's linanthus

native
Annual herb

Linanthus ciliatus Whiskerbrush

native
Annual herb

Leptosiphon ciliatus Whiskerbrush

native
Annual herb

Linanthus filipes Thread linanthus

native
Annual herb

Linanthus harknessii Harkness' flaxflower

native
Annual herb

Lessingia leptoclada Sierra lessingia

native
Annual herb

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

native
Annual herb

Leucanthemum vulgare Oxe eye daisy, Oxeye daisy

• invasive non-native
Perennial herb

Leucocrinum montanum Common starlily, Sand lily

native
Perennial herb

Leucothoe davisiae Sierra laurel

native
Shrub

Lewisia cotyledon var. heckneri Heckner's lewisia

• rare native
Perennial herb

Lewisia cotyledon var. howellii Howell's lewisia

• rare native
Perennial herb

Lewisia nevadensis Nevada bitter root, Nevada lewisia, Sierra lewisia

native
Perennial herb

Lewisia rediviva Bitter root

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

Lilium humboldtii ssp. humboldtii Humboldt's lily

• rare native
Perennial herb (bulb)

Lilium kelloggii Kellogg's lily

• rare native
Perennial herb (bulb)

Lilium pardalinum ssp. pardalinum Leopard lily

native
Perennial herb

Lilium parvum Alpine lily, Sierra tiger lily

native
Perennial herb

Lilium rubescens Chaparral lily, Redwood lily

• rare native
Perennial herb (bulb)

Lilium washingtonianum ssp. washingtonianum Typical washington lily

native
Perennial herb

Lilium washingtonianum ssp. washingtonianum

Limnanthes alba ssp. alba Typical white meadowfoam

native
Annual herb

LIMNANTHACEAE

Limnanthes douglasii ssp. nivea Snow white meadowfoam

native
Annual herb

LIMNANTHACEAE

Limnanthes floccosa ssp. floccosa Woolly meadowfoam

• rare native
Annual herb

LIMNANTHACEAE

Leptodactylon pungens Granite prickly phlox

native
Shrub

Linaria genistifolia ssp. dalmatica Dalmatian toadflax

• invasive non-native
Perennial herb

Lindernia dubia Yellowseed false pimpernel

native
Annual herb

LINDERNIACEAE

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 lewisii var. lewisii Lewis' flax, Prairie flax

native
Perennial herb

Linum usitatissimum Common flax

non-native
Annual 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

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

Lithospermum californicum California gromwell, California stoneseed, Gromwell

native
Perennial herb

Lithospermum ruderale Columbia puccoon, Western gromwell, Western stoneseed

native
Perennial herb

Filago californica California cottonrose

native
Annual herb

Lomatium leptocarpum Slender fruited lomatium, 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 caruifolium Alkali desertparsley, Alkali parsnip, Caraway leaved lomatium

native
Perennial herb

Lomatium ciliolatum var. ciliolatum Yolla bolly biscuitroot, Yolla bolly lomatium

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 var. dissectum Fern leaved lomatium, Fernleaf biscuitroot

native
Perennial herb

Lomatium engelmannii Engelmann's desertparsley, Engelmann's lomatium

• rare native
Perennial herb

Lomatium macrocarpum Bigseed biscuitroot, Large fruited lomatium

native
Perennial herb

Lomatium nevadense var. nevadense Nevada biscuitroot, Nevada lomatium

native
Perennial herb

Lomatium nudicaule Barestem biscuitroot, Pestle lomatium, Pestle parsnip

native
Perennial herb

Lomatium tracyi Tracy's desertparsley, Tracy's lomatium

• rare 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

Lonicera ciliosa Orange honeysuckle

native
Vine, Shrub

Lonicera conjugialis Double honeysuckle, Purpleflower honeysuckle

native
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

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

• invasive non-native
Perennial herb

Ludwigia palustris Marsh purslane, Marsh seedbox

native
Perennial herb (aquatic)

Luina hypoleuca Little leaf luina, Littleleaf silverback

native
Perennial herb

Lunaria annua Annual honesty, Annual moonwort, Honesty

non-native
Annual, Perennial herb

Lupinus adsurgens Drew's silky lupine

native
Perennial herb

Lupinus adsurgens var. adsurgens 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 var. albifrons Silver bush lupine, Silver lupine

native
Shrub

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

native
Shrub

Lupinus andersonii Anderson's lupine

native
Perennial herb

Lupinus angustiflorus Narrow flowered lupine, Narrowflower lupine

native
Perennial herb

Lupinus arbustus Long spurred lupine, Longspur 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. meionanthus Lake tahoe lupine

native
Perennial herb

Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine

native
Annual, Perennial herb

Lupinus breweri var. breweri Brewer's lupine

native
Perennial herb

Lupinus concinnus Bajada lupine, Elegant lupine, Scarlet lupine

native
Annual herb

Lupinus croceus Mt. eddy lupine

native
Perennial herb

Lupinus dalesiae Quincy lupine

• rare native
Perennial herb

Lupinus grayi Gray's lupine, Sierra 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. barbatus Hair tuft lupine

• rare native
Perennial herb

Lupinus latifolius var. columbianus Broad leaf lupine

native
Perennial herb

Lupinus latifolius var. latifolius Broad leaf lupine

native
Perennial herb

Lupinus lepidus 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 leucophyllus Velvet lupine

native
Perennial herb

Lupinus microcarpus Chick lupine

native
Annual herb

Lupinus nanus Sky lupine

native
Annual herb

Lupinus polyphyllus Bigleaf lupine, Bog lupine, Meadow lupine

native
Perennial herb

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

native
Perennial herb

Lupinus stiversii Harlequin annual lupine, Harlequin lupine

native
Annual herb

Lupinus tracyi Tracy's lupine

• rare native
Perennial 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 parviflora Small flowered wood rush, Smallflowered 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

Lychnis coronaria Rose campion

non-native
Perennial herb

Lycopodium clavatum Running clubmoss, Running pine

• rare native

LYCOPODIACEAE

Lycopus uniflorus Northern bugleweed

• rare native
Perennial herb

Lysichiton americanus American skunkcabbage, Yellow skunk cabbage

native
Perennial herb

Lysimachia latifolia Pacific starflower

native
Perennial herb

MYRSINACEAE

Trientalis latifolia Pacific starflower

native
Perennial herb

MYRSINACEAE

Madia citrigracilis Shasta tarweed

native
Annual herb

Madia elegans ssp. vernalis Common madia

native
Annual herb

Madia elegans ssp. elegans 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

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

native
Perennial herb

Smilacina racemosa Feathery false lily of the valley

native
Perennial herb

Maianthemum racemosum Feathery false lily of the valley

native
Perennial herb

Smilacina stellata Starry false lily of the valley

native
Perennial herb

Maianthemum stellatum Starry false lily of the valley

native
Perennial herb

Malacothrix floccifera Woolly dandelion, Woolly desertdandelion, Woolly malacothrix

native
Annual herb

Malus sylvestris Paradise apple

non-native
Tree

Marah fabaceus California man-root

native
Perennial herb, Vine

CUCURBITACEAE

Marah horridus Sierra man-root

native
Perennial herb, Vine

CUCURBITACEAE

Marah oreganus Coast man-root

native
Perennial herb, Vine

CUCURBITACEAE

Marrubium vulgare White horehound

• invasive non-native
Perennial herb

Marsilea vestita ssp. vestita Hairy pepperwort, Hairy waterclover

native
Fern

MARSILEACEAE

Matricaria discoidea Pineapple weed

native
Annual herb

Chamomilla suaveolens Pineapple weed

native
Annual herb

Medicago sativa Alfalfa

non-native
Perennial herb

Melica aristata Awned melic, Bearded melicgrass

native
Perennial grass

Melica bulbosa Big oniongrass

native
Perennial grass

Melica californica California melicgrass

native
Perennial grass

Melica fugax Little oniongrass, Small melic, Small onion grass

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 subulata Alaska melic, Alaska onion grass, Alaska oniongrass

native
Perennial grass

Melilotus alba Yellow sweetclover

• invasive non-native
Annual, Biennial herb

Mentha arvensis American wild mint, Field mint, Marsh mint

native
Perennial herb

Mentha pulegium Pennyroyal

• invasive non-native
Perennial herb

Mentha Xpiperita Peppermint

non-native
Perennial herb

Mentzelia dispersa Bushy blazingstar, Nada stickleaf, Scattered blazing star

native
Annual herb

LOASACEAE

Menyanthes trifoliata Bogbean, Buck bean, Buckbean

native
Perennial herb

MENYANTHACEAE

Mertensia ciliata var. stomatechoides Streamside bluebells, Tall fringed bluebells

native
Perennial herb

Micranthes aprica Sierra saxifrage

native
Perennial herb

Micranthes californica Greene's saxifrage

native
Perennial herb

Micranthes integrifolia Smooth leaf saxifrage

native
Perennial herb

Saxifraga marshallii Marshall's saxifrage

• rare native
Perennial herb

Saxifraga odontoloma Brook saxifrage

native
Perennial herb

Saxifraga oregana Bog saxifrage

native
Perennial herb

Micropus californicus var. californicus Q tips, Slender cottonweed

native
Annual herb

Microseris douglasii Douglas' microseris, Douglas' silverpuffs

native
Annual herb

Microseris laciniata ssp. laciniata Cut leaved scorzonella, Cutleaf silverpuffs

native
Perennial herb

Microseris nutans Nodding microceris, Nodding scorzonella, Perennial nodding microseris

native
Perennial herb

Phlox gracilis Slender phlox

native
Annual herb

Microsteris gracilis Slender phlox

native
Annual herb

Mimulus pilosus Snouted monkey flower

native
Annual herb

Minuartia stolonifera Scott mtn. sandwort, Stolon sandwort

native
Perennial herb

Mitella caulescens Leafy-stemmed mitrewort

• rare native
Perennial herb

Moehringia macrophylla Large leaved sandwort, Largeleaf sandwort

native
Perennial herb

Mollugo verticillata Green carpetweed, Indian chickweed

non-native
Annual herb

MOLLUGINACEAE

Monardella breweri Brewer's monardella

native
Annual herb

Monardella lanceolata Mustang mint

native
Annual herb

Monardella follettii Follett's monardella

• rare native
Shrub

Monardella odoratissima ssp. palida Desert mint, Mountain monardella, Coyote-Mint

native
Perennial herb

Monardella glauca Mountain mint, Mountain pennyroyal

native
Perennial herb

Monardella sheltonii Coyote mint, Shelton's coyote mint, Shelton's monardella

native
Perennial herb

Monardella villosa ssp. villosa Coyote mint

native
Perennial herb

Montia chamissoi Spring beauty, Toad lily, Water minerslettuce

native
Perennial herb

Montia fontana Annual water minerslettuce, Water chickweed, Water montia

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

Myrica californica California wax myrtle

native
Tree, Shrub

MYRICACEAE

Muhlenbergia filiformis Pullup muhly, Slender muhly

native
Annual, Perennial grass

Muhlenbergia richardsonis Mat muhly, Matted muhly, Richardson's muhly

native
Perennial grass

Muhlenbergia rigens Deergrass

native
Perennial grass

Myosotis discolor Changing forget me not, yellow and blue forget-me-not

non-native
Annual herb

Myosurus apetalus Bristly mousetail, Mouse tail

native
Annual herb

Myosurus minimus Common mouse tail, Little mouse tail, Tiny mousetail

native
Annual herb

Myriophyllum hippuroides Milfoil, Western milfoil, Western watermilfoil

native
Perennial herb (aquatic)

HALORAGACEAE

Cheilanthes gracillima Lace lip fern

native
Fern

Nasturtium officinale Watercress

native
Perennial herb (aquatic)

Rorippa nasturtium-aquaticum Watercress

native
Perennial herb (aquatic)

Navarretia breweri Brewer's navarretia

native
Annual herb

Gilia capillaris Miniature gilia

native
Annual herb

Navarretia divaricata Divaricate navarretia, Mountain navarretia

native
Annual herb

Navarretia divaricata ssp. vividior Divaricate navarretia, Mountain navarretia

native
Annual herb

Navarretia filicaulis Thin stemmed navarretia, Threadstem 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

Gilia leptalea ssp. bicolor Bridges' gilia

native
Annual herb

Gilia leptalea ssp. leptalea Bridges' gilia

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 prolifera ssp. prolifera Burr navarretia, Burr pincushionplant

native
Annual herb

Navarretia pubescens Downy pincushionplant, Purple navarretia

native
Annual herb

Gilia sinistra ssp. sinistra Alva day's pincushionplant

native
Annual herb

Navarretia sinistra Alva day's pincushionplant

native
Annual herb

Nemacladus capillaris Common nemacladus, Common threadplant

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 var. atomaria Baby blue eyes

native
Annual herb

Nemophila menziesii var. menziesii Baby blue eyes

native
Annual herb

Nemophila parviflora var. austinae 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 pedunculata Littlefoot nemophila, Meadow nemophila

native
Annual herb

Nemophila spatulata Sierra baby blue eyes, Sierra nemophila

native
Annual herb

Camissonia andina Plateau evening primrose

native
Annual herb

Neviusia cliftonii Shasta snow wreath

• rare native
Shrub

Nicotiana attenuata Coyote tobacco

native
Annual herb

Noccaea fendleri ssp. glauca Pennycress

native
Perennial herb

Thlaspi montanum ssp. montanum Pennycress

native
Perennial herb

Lithocarpus densiflorus var. densiflorus Tanoak

native
Tree, Shrub

Lithocarpus densiflorus var. densiflorus

Lithocarpus densiflorus var. echinoides Tanoak shrub

native
Tree, Shrub

Nuphar polysepala Rocky mountain pond-lily

native
Perennial herb (aquatic)

NYMPHAEACEAE

Oemleria cerasiformis Indian plum, Oso berry

native
Shrub

Oenanthe sarmentosa Pacific oenanthe, Water parsley

native
Perennial herb

Olsynium douglasii var. douglasii Douglas' grasswidow

native
Perennial herb

Onopordum acanthium Scotch cottonthistle

• invasive non-native
Perennial herb

Oreostemma alpigenum var. andersonii Tundra aster

native
Perennial herb

Aster alpigenus var. andersonii Tundra aster

native
Perennial herb

Oreostemma elatum Plumas alpine aster

• rare native
Perennial herb

Orthilia secunda One sided wintergreen, Sidebells wintergreen

native
Perennial 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 luteus Yellow owl's clover

native
Annual herb

Osmorhiza chilensis Sweet cicely

native
Perennial herb

Osmorhiza berteroi Sweet cicely

native
Perennial herb

Osmorhiza brachypoda California sweet cicely, California sweetcicely

native
Perennial herb

Osmorhiza occidentalis Mountain sweet cicely, Western sweet cicely, Western sweetroot

native
Perennial herb

Oxalis oregana Redwood sorrel

native
Perennial herb

OXALIDACEAE

Oxalis albicans ssp. pilosa Hairy wood sorrel

native
Annual herb

OXALIDACEAE

Oxalis trilliifolia Three leaf woodsorrel, Threeleaf woodsorrel

native
Perennial herb

OXALIDACEAE

Mitella trifida Three parted miterwort

native
Perennial herb

Packera bolanderi var. bolanderi Bolander's ragwort, Seacoast ragwort

• rare native
Perennial herb

Packera eurycephala var. eurycephala Widehead groundsel

native
Perennial herb

Senecio greenei Flame ragwort

native
Perennial herb

Packera multilobata Lobeleaf groundsel

native
Perennial herb

Senecio multilobatus Lobeleaf groundsel

native
Perennial herb

Paeonia brownii Brown's peony, Mountain peony, Western paeony

native
Perennial herb

PAEONIACEAE

Panicum acuminatum var. acuminatum Western panicgrass, Western panicum, Western witch grass

native
Perennial grass

Parentucellia viscosa Yellow glandweed, Yellow parentucellia

• invasive non-native
Annual herb

Parnassia palustris Marsh grass of parnassus

native
Perennial herb

PARNASSIACEAE

Paxistima myrsinites Oregon boxleaf, Oregon boxwood

native
Shrub

CELASTRACEAE

Mitella breweri Brewer's miterwort

native
Perennial herb

Mitella ovalis Coastal miterwort

native
Perennial 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 densiflora Warrior's plume, Indian warrior

native
Perennial herb

Pedicularis groenlandica Elephant head lousewort, Elephant heads, Elephant's head

native
Perennial herb

Pedicularis racemosa Leafy lousewort, Sickletop lousewort

native
Perennial herb

Pedicularis semibarbata Bearded lousewort, Pine lousewort, Pine woods lousewort

native
Perennial herb

Pellaea brachyptera Sierra cliff brake, Sierra cliffbrake

native
Fern

Pellaea breweri Brewer's cliff brake, Brewer's cliffbrake

native
Fern

Pellaea mucronata var. californica California cliff brake, bird's foot fern

native
Fern

Penstemon anguineus Siskiyou beardtongue

native
Perennial herb

Penstemon azureus var. angustissimus Azure penstemon

native
Perennial herb

Penstemon azureus var. azureus Azure penstemon

native
Perennial herb

Penstemon cinicola Ash beardtongue, Ash penstemon

• rare native
Perennial herb

Penstemon davidsonii var. davidsonii Davidson's beardtongue, Davidson's penstemon

native
Perennial herb

Penstemon deustus var. pedicellatus Hot rock beardtongue, Scabland penstemon

native
Perennial herb

Penstemon filiformis Thread leaved beardtongue, Threadleaf beardtongue

• rare native
Perennial herb

Penstemon gracilentus Slender beardtongue, Slender penstemon

native
Perennial herb

Penstemon heterodoxus var. heterodoxus Sierra beardtongue

native
Perennial herb

Penstemon heterodoxus var. shastensis Shasta beardtongue

• rare 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 laetus Gay penstemon, Mountain blue penstemon

native
Perennial herb

Penstemon neotericus Derived penstemon, Plumas county beardtongue

native
Perennial herb

Penstemon newberryi var. newberryi Newberry's penstemon

native
Perennial herb

Penstemon parvulus Short stalk penstemon, Small penstemon

native
Perennial herb

Penstemon roezlii Regel's mountain penstemon

native
Perennial herb

Penstemon rydbergii var. oreocharis Herbaceous penstemon, Meadow beardtongue, Mountain meadow beardtongue

native
Perennial herb

Penstemon speciosus Royal beardtongue, Royal penstemon, Showy penstemon

native
Perennial herb

Penstemon sudans Susanville beardtongue, Volcanic beardtongue

• rare native
Shrub (stem succulent)

Pentagramma triangularis ssp. triangularis Gold back fern

native
Fern

Pentagramma triangularis ssp. triangularis

Perideridia bolanderi var. leptocarpa Bolander's yampah

native
Perennial herb

Perideridia bolanderi ssp. bolanderi Bolander's yampah

native
Perennial herb

Perideridia kelloggii Kellogg's yampah, Yampah

native
Perennial herb

Perideridia lemmonii Lemmon's yampah

native
Perennial herb

Perideridia parishii var. latifolia Parish's yampah

native
Perennial herb

Perideridia parishii ssp. latifolia Parish's yampah, Wide leaved parish's yampah

native
Perennial herb

Polygonum amphibium Water smartweed

native
Perennial herb (aquatic)

Polygonum lapathifolium Common knotweed

native
Annual herb

Petasites frigidus var. palmatus Arctic sweet coltsfoot, Western coltsfoot

native
Perennial herb

Petrorhagia dubia Hairypink, Pink grass, Wilding pink

non-native
Annual herb

Phacelia corymbosa Serpentine phacelia

native
Perennial herb

Phacelia egena Kaweah river phacelia, Rock phacelia

native
Perennial herb

Phacelia eisenii Eisen's phacelia

native
Annual herb

Phacelia greenei Scott valley phacelia

• rare native
Annual herb

Phacelia hastata ssp. compacta Timberline phacelia

native
Perennial herb

Phacelia hastata ssp. hastata Mountain phacelia

native
Perennial herb

Phacelia heterophylla var. heterophylla Varileaf phacelia

native
Perennial herb

Phacelia heterophylla ssp. virgata Varied leaf phacelia

native
Perennial herb

Phacelia humilis var. humilis Low phacelia

native
Annual herb

Phacelia hydrophylloides Water leaf phacelia, Waterleaf phacelia

native
Perennial herb

Phacelia leonis Siskiyou phacelia

• rare native
Annual herb

Phacelia pringlei Pringle's phacelia

native
Annual herb

Phacelia quickii Quick's phacelia

native
Annual herb

Phacelia racemosa Racemose phacelia

native
Annual herb

Phacelia stebbinsii Stebbins' phacelia, Stebbins's phacelia

• rare native
Annual herb

Phacelia thermalis Heat phacelia, Heated phacelia

native
Annual herb

Phalaris aquatica Bulbous canarygrass, Harding grass

• invasive non-native
Perennial grass

Philadelphus lewisii Lewis' mock orange, Mock orange, Wild mock orange

native
Shrub

HYDRANGEACEAE

Phleum alpinum Alpine timothy, Mountain timothy, Timothy grass

native
Perennial grass

Phleum pratense Common timothy, Cultivated timothy, Timothy

non-native
Perennial grass

Phlox diffusa Spreading phlox

native
Perennial herb

Phlox speciosa ssp. occidentalis Showy phlox

native
Perennial herb

Phlox stansburyi Cold desert phlox

native
Perennial herb

Phoenicaulis cheiranthoides Common phoenicaulis, Dagger pod, Wallflower phoenicaulis

native
Perennial herb

Phoradendron densum Bollean mistletoe

native
Shrub (parasitic)

Phoradendron juniperinum Juniper mistletoe

native
Shrub (parasitic)

Phoradendron libocedri Juniper mistletoe

native
Shrub (parasitic)

Phoradendron villosum Mistletoe

native
Shrub (parasitic)

Phyllodoce breweri Brewer's mountain heather, Purple mountain heath

native
Shrub

Physocarpus capitatus Ninebark, Pacific ninebark, Western ninebark

native
Shrub

Pinus albicaulis Alpine white pine, Dwarf pine, Whitebark pine

native
Tree

Pinus attenuata Knobcone pine, Scrub pine

native
Tree

Pinus contorta ssp. murrayana Lodgepole pine, Tamarack

native
Tree

Pinus jeffreyi Jeffrey pine

native
Tree

Pinus lambertiana Sugar pine

native
Tree

Pinus monticola Mountain pine, Western white pine

native
Tree

Pinus muricata Bishop pine, Bull pine, Prickle cone pine

native
Tree

Pinus ponderosa Ponderosa pine, Western yellow pine

native
Tree

Pinus sabiniana Bull pine, California foothill pine, Gray pine

native
Tree

Piperia colemanii Coleman's piperia

• rare native
Perennial herb

Piperia elongata Dense flowered rein orchid, Denseflower rein orchid

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

Plagiobothrys cusickii Cusick's popcorn flower

native
Annual herb

Plagiobothrys leptocladus Alkali plagiobothrys, Finebranched popcornflower

native
Annual herb

Plagiobothrys mollis var. mollis Downy popcorn flower, Soft popcornflower

native
Perennial herb

Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower

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 tenellus Pacific popcornflower, Popcorn flower, Slender popcorn flower

native
Annual herb

Plagiobothrys torreyi var. torreyi Torrey's popcorn flower, Torrey's popcornflower

• rare native
Annual herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

• invasive non-native
Perennial herb

Plantago major Common plantain

non-native
Perennial herb

Platanthera dilatata var. leucostachys Sierra bog orchid, White Flowered Bog-Orchid

native
Perennial herb

Platanthera sparsiflora Bog orchid, Sparse flowered bog orchid

native
Perennial herb

Plectritis ciliosa Long spurred plectritis, Longspur seablush

native
Annual herb

VALERIANACEAE

Plectritis macrocera Long horn plectritis, Longhorn plectritis, White plectritis

native
Annual herb

VALERIANACEAE

Pleuricospora fimbriolata Fringed pinesap

native
Perennial herb (mycoparasitic)

Pleuropogon refractus Nodding semaphore grass, Nodding semaphoregrass

• rare native
Perennial grass (rhizomatous)

Poa annua Annual blue grass, Annual bluegrass

non-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 compressa Canada blue grass, Canada bluegrass

non-native
Perennial grass

Poa cusickii ssp. cusickii Cusick's blue grass

native
Perennial grass

Poa howellii Howell's blue grass, Howell's bluegrass

native
Annual grass

Poa palustris Fowl blue grass, Fowl bluegrass

non-native
Perennial grass

Poa pratensis ssp. pratensis Kentucky blue grass, Kentucky bluegrass

• invasive non-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 wheeleri Hooker's bluegrass, Wheeler's blue grass, Wheeler's bluegrass

native
Perennial grass

Pogogyne floribunda Profuse flowered pogogyne, Profuseflower mesamint

• rare native
Annual herb

Polemonium californicum California polemonium, California sky pilot, Jacob's ladder

native
Perennial herb

Polemonium micranthum Annual polemonium, Annual sky pilot, Small jacob's ladder

native
Annual herb

Polemonium occidentale Great polemonium, Western polemonium, Western sky pilot

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 aviculare ssp. buxiforme Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum arenastrum Prostrate knotweed

non-native
Annual, 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 douglasii ssp. majus Large douglas' knotweed

native
Annual herb

Polygonum minimum Broadleaf knotweed, Leafy dwarf knotweed, Little mountain knotweed

native
Annual 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. kelloggii Kellogg's knotweed

native
Annual herb

Polygonum sawatchense ssp. oblivium Knotweed

native
Annual, Perennial herb

Polygonum douglasii ssp. johnstonii Knotweed

native
Annual, Perennial herb

Polygonum shastense Shasta knotweed

native
Perennial herb

Polygonum douglasii ssp. spergulariiforme Spurry knotweed

native
Annual herb

Polygonum douglasii ssp. spergulariiforme

Polypodium calirhiza Acrid fern, Licorice fern, Nested polypody

native
Fern

POLYPODIACEAE

Polypodium glycyrrhiza Licorice fern

native
Fern

POLYPODIACEAE

Polypodium scouleri Leather fern, Leather leaf fern, Leathery polypody

native
Fern

POLYPODIACEAE

Agrostis viridis Water beard grass

non-native
Perennial grass

Polystichum imbricans ssp. curtum Cliff sword fern, Narrowleaf swordfern

native
Fern

Polystichum imbricans ssp. imbricans Narrowleaf swordfern, Rock sword fern

native
Fern

Polystichum lemmonii Lemmon's hollyfern, Lemmon's sword fern

native
Fern

Polystichum munitum Western sword fern, Western swordfern

native
Fern

Populus tremuloides Quaking aspen

native
Tree

Populus trichocarpa Black cottonwood

native
Tree

Populus balsamifera ssp. trichocarpa Black cottonwood

native
Tree

Potamogeton foliosus var. fiolisus Leafy 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 pusillus Small pondweed

native
Perennial herb (aquatic)

Potentilla biennis Biennial cinquefoil

native
Perennial herb

Potentilla drummondii ssp. breweri Brewer's cinquefoil

native
Perennial herb

Potentilla drummondii Drummond's cinquefoil

native
Perennial herb

Potentilla diversifolia var. diversifolia Blueleaf cinquefoil

native
Perennial herb

Potentilla diversifolia var. diversifolia

Potentilla gracilis var. elmeri Elmer's cinquefoil

native
Perennial herb

Potentilla gracilis var. gracilis Graceful cinquefoil, Slender cinquefoil

native
Perennial herb

Potentilla millefolia Cut leaf cinquefoil, Cut leaved cinquefoil, Cutleaf cinquefoil

native
Perennial herb

Sanguisorba occidentalis Western burnet

native
Annual, Perennial herb

Poterium sanguisorba Garden burnet

non-native
Perennial herb

Sanguisorba minor ssp. muricata Garden burnet

non-native
Perennial herb

Dodecatheon clevelandii Padre's shooting star

native
Perennial herb

Dodecatheon hendersonii Mosquito bill

native
Perennial herb

Dodecatheon jeffreyi Sierra shooting star

native
Perennial herb

Dodecatheon subalpinum Sierra shooting star

native
Perennial herb

Dodecatheon alpinum Alpine shooting star

native
Perennial herb

Prosartes hookeri Drops of gold

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 andersonii Desert peach

native
Tree, Shrub

Prunus cerasifera Cherry plum

• invasive non-native
Tree

Prunus emarginata Bitter cherry

native
Tree, Shrub

Prunus subcordata Klamath plum, Sierra plum

native
Tree, Shrub

Prunus virginiana var. demissa Chokecherry, Western choke cherry, Western chokecherry

native
Tree, Shrub

Psathyrotes annua Annual psathyrotes

native
Annual herb

Gnaphalium canescens ssp. beneolens Cudweed

native
Perennial herb

Gnaphalium californicum Ladies' tobacco

native
Annual, Perennial herb

Pseudognaphalium californicum Ladies' tobacco

native
Annual, Perennial herb

Gnaphalium canescens ssp. canescens Wright's cudweed

native
Perennial herb

Gnaphalium canescens ssp. microcephalum Wright's cudweed

native
Perennial herb

Gnaphalium stramineum Cottonbatting plant

native
Perennial herb

Pseudognaphalium thermale Small headed cudweed

native
Perennial herb

Gnaphalium thermale Small headed cudweed

native
Perennial herb

Gnaphalium canescens ssp. thermale Small headed cudweed

native
Perennial herb

Pseudostellaria sierrae Sierra starwort

• rare native
Perennial herb (rhizomatous)

Pseudotsuga menziesii var. menziesii Douglas fir, Douglas spruce, False hemlock

native
Tree

Psilocarphus brevissimus var. brevissimus Short woollyheads, Woolly heads, Woolly marbles

native
Annual herb

Psilocarphus brevissimus var. brevissimus

Psilocarphus oregonus Oregon woolly marbles, Oregon woollyheads, Woolly marbles

native
Annual herb

Psilocarphus tenellus Slender woolly marbles, Slender woollyheads

native
Annual herb

Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern

native
Fern

DENNSTAEDTIACEAE

Pterospora andromedea Pine drops, Pine drops, Woodland pinedrops

native
Perennial herb (parasitic)

Pterostegia drymarioides Fairy mist, Woodland threadstem

native
Annual herb

Purshia tridentata var. tridentata Antelope bitterbrush

native
Shrub

Pycnanthemum californicum California mint, Mountain mint, Sierra mint

native
Perennial herb

Pyrola aphylla Leafless wintergreen

native
Perennial herb

Pyrola asarifolia Bog wintergreen, Liverleaf wintergreen

native
Perennial herb

Pyrola dentata Toothed wintergreen

native
Perennial herb

Pyrola picta White veined shinleaf, White veined wintergreen, Whitevein shinleaf

native
Perennial herb

Pyrrocoma racemosa var. pinetorum Clustered goldenweed, Pine pyrrocoma

• rare native
Perennial herb

Quercus berberidifolia Inland scrub oak

native
Tree

Quercus chrysolepis Canyon live oak, Canyon oak, maul oak, goldcup oak, Gold cup oak

native
Tree

Quercus durata var. durata Leather oak

native
Shrub

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 kelloggii Black oak, California black oak

native
Tree

Quercus lobata California white oak, Valley oak

native
Tree

Quercus sadleriana Deer oak, Sadler oak

native
Shrub

Quercus vaccinifolia Huckleberry oak

native
Shrub

Quercus wislizeni Interior live oak, chapparal oak

native
Tree, Shrub

Rafinesquia californica California chicory, California plumseed

native
Annual herb

Raillardella argentea Silky raillardella

native
Perennial herb

Ranunculus alismifolius Alisma leaved buttercup, Common water plantain buttercup, Plantainleaf buttercup

native
Perennial herb

Ranunculus canus Great valley buttercup, Hartweg's buttercup, Sacramento valley buttercup

native
Perennial herb

Ranunculus flammula Creeping buttercup, Greater creeping spearwort, Water buttercup

native
Perennial herb

Ranunculus muricatus Buttercup, Pricklefruit buttercup, Spiny buttercup

non-native
Annual, Perennial herb

Ranunculus occidentalis Western buttercup

native
Perennial herb

Ranunculus orthorhynchus Bloomer's buttercup, Straight beaked buttercup, Straightbeak buttercup

native
Perennial herb

Ranunculus parviflorus Few flowered buttercup, Smallflower buttercup

non-native
Annual herb

Rhamnus crocea Redberry buckthorn

native
Shrub

Polygala californica California Milkwort

native
Perennial herb

POLYGALACEAE

Polygala cornuta var. cornuta Sierra Milkwort

native
Shrub

POLYGALACEAE

Ledum glandulosum Western labrador tea

native
Shrub

Rhododendron macrophyllum California rose bay, Coast rhododendron, Pacific rhododendron

native
Shrub

Rhododendron occidentale Western azalea

native
Tree, Shrub

Rhus trilobata Fragrant sumac, Skunk Bush

native
Shrub

ANACARDIACEAE

Rhus integrifolia Lemonade berry, Lemonade sumac

native
Shrub

ANACARDIACEAE

Ribes bracteosum Stink currant

native
Shrub

Ribes cereum var. cereum Wax currant

native
Shrub

Ribes inerme var. inerme White stemmed gooseberry, Whitestem gooseberry

native
Shrub

Ribes lacustre Prickly currant, Swamp currant

native
Shrub

Ribes lobbii Gummy gooseberry

native
Shrub

Ribes montigenum Alpine prickly current, Gooseberry currant, Mountain gooseberry

native
Shrub

Ribes nevadense Mountain pink currant, Sierra currant

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 var. sanguineum Red flowering currant, Redflower currant

native
Shrub

Ribes velutinum Desert gooseberry

native
Shrub

Ribes viscosissimum Sticky currant, Sticky flowering currant

native
Shrub

Rigiopappus leptocladus Rigiopappus, Wire weed, Wireweed

native
Annual herb

Robinia pseudoacacia Black locust

• invasive non-native
Tree

Rorippa curvisiliqua Curvepod yellow cress, Curvepod yellowcress, Western yellow cress

native
Annual, Perennial herb

Rorippa palustris var. occidentalis Bog yellowcress

native
Annual, Perennial herb

Rosa bridgesii Pygmy rose, Wood rose

native
Shrub

Rosa californica California wild rose, California wildrose

native
Shrub

Rosa gymnocarpa var. gymnocarpa Wood rose

native
Shrub

Rosa pisocarpa Cluster rose

native
Shrub

Rosa eglanteria Sweet brier

non-native
Shrub

Rosa spithamea Ground rose, Sonoma rose

native
Shrub

Rosa woodsii var. ultramontana Interior rose

native
Shrub

Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry

• invasive non-native
Shrub

Rubus glaucifolius Raspberry, San diego raspberry, Wax leaf raspberry

native
Shrub

Rubus laciniatus Cut leaved blackberry, Cutleaf blackberry

non-native
Shrub

Rubus leucodermis Western raspberry, White bark raspberry, White stemmed raspberry

native
Shrub

Rubus parviflorus Western thimbleberry, Thimbleberry

native
Vine, Shrub

Rubus pensilvanicus Pennsylvania blackberry

non-native
Vine, Shrub

Rubus spectabilis Salmon berry, Salmonberry

native
Shrub

Rubus ursinus California blackberry, Pacific blackberry

native
Vine, Shrub

Rudbeckia californica California cone flower, California coneflower

native
Perennial herb

Rudbeckia occidentalis Western coneflower

native
Perennial herb

Rumex acetosella Common sheep sorrel

• invasive non-native
Perennial herb

Rumex salicifolius var. denticulatus California dock

native
Perennial herb

Rumex conglomeratus Clustered dock, Green dock

non-native
Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

• invasive non-native
Perennial herb

Rumex obtusifolius Bitter dock

non-native
Perennial herb

Rumex salicifolius Willow dock, Willow leaved dock

native
Perennial herb

Rumex salicifolius var. transitorius Willow dock

native
Perennial herb

Rumex salicifolius var. triangulivalvis Willow dock

native
Perennial herb

Rupertia hallii Hall's california tea, Hall's rupertia

• rare native
Perennial herb

Rupertia physodes California tea, Common rupertia, Forest scurfpea

native
Perennial herb

Minuartia californica California Sandwort

native
Annual herb

Minuartia douglasii Douglas' Stitchwort

native
Annual herb

Minuartia nuttallii ssp. fragilis

native
Perennial herb

Minuartia nuttallii ssp. gracilis

native
Perennial herb

Minuartia nuttallii ssp. gregaria

native
Perennial herb

Sagina decumbens ssp. occidentalis Western pearlwort

native
Annual herb

Sagina saginoides Alpine pearlwort, Arctic pearlwort, Common pearlwort

native
Perennial herb

Sagittaria cuneata Arum leaved arrowhead, Arumleaf arrowhead, Tule potato

native
Perennial herb

ALISMATACEAE

Sagittaria latifolia Broad leaf arrowhead, Broadleaf arrowhead, Wappato

native
Perennial herb (aquatic)

ALISMATACEAE

Salix eastwoodiae Mountain willow

native
Shrub

Salix exigua Narrow leaved willow, Narrowleaf willow, Sandbar willow

native
Tree, Shrub

Salix geyeriana Geyer's willow

native
Shrub

Salix jepsonii Jepson's willow

native
Shrub

Salix lucida ssp. caudata Shining willow

native
Shrub

Salix lucida ssp. lasiandra Pacific willow

native
Tree

Salix lasiolepis Arroyo willow

native
Tree, Shrub

Salix lemmonii Lemmon's willow

native
Shrub

Salix lutea Yellow willow

native
Shrub

Salix melanopsis Dusky willow

native
Tree, Shrub

Salix scouleriana Nuttall willow, Scouler willow, Scouler's willow

native
Tree, Shrub

Salix sitchensis Coulter willow, Sitka willow

native
Tree, Shrub

Salvia sonomensis Creeping sage, Sonoma sage

native
Perennial herb

Sambucus mexicana Blue elderberry

native
Tree, Shrub

Sambucus nigra ssp. caerulea Blue elderberry

native
Tree, Shrub

Sambucus melanocarpa Rocky mountain elder

native
Shrub

Sambucus racemosa var. microbotrys Pacific red elderberry

native
Shrub

Sambucus racemosa var. racemosa Pacific red elderberry

native
Shrub

Sanicula bipinnata Poison sanicle

native
Perennial herb

Sanicula bipinnatifida 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 tuberosa Tuberous sanicle, Turkey pea

native
Perennial herb

Saponaria officinalis Bouncing bet, Bouncingbet, Soapwort

• invasive non-native
Perennial herb

Sarcodes sanguinea Snow plant, Snowplant

native
Perennial herb (mycoparasitic)

Sceptridium multifidum Leather grape-fern

native
fern

Botrychium multifidum Leather grape-fern

native
fern

Scirpus congdonii Congdon's bulrush

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

Scleranthus annuus ssp. annuus German knotgrass, Knawel, Scleranthus

non-native
Annual herb

Scoliopus bigelovii California fetid adderstongue, Fetid adder's tongue, Slink pod

native
Perennial herb

Scribneria bolanderi Scribner's grass, Scribneria

native
Annual grass

Scrophularia californica ssp. californica California bee plant, California figwort

native
Perennial herb

Scrophularia californica ssp. californica

Scrophularia californica ssp. floribunda California bee plant, California figwort

native
Perennial herb

Scrophularia californica ssp. floribunda

Scrophularia lanceolata Lanceleaf figwort, Mountain figwort

native
Perennial herb

Scutellaria antirrhinoides Nose skullcap, Snapdragon skullcap

native
Perennial herb

Scutellaria bolanderi ssp. bolanderi Bolander's skullcap, Sierra skullcap

native
Perennial herb

Scutellaria nana Dwarf skullcap, Little skullcap

native
Perennial herb (rhizomatous)

Scutellaria siphocampyloides Curve flowered skullcap, Gray leaved skullcap, Grayleaf skullcap

native
Perennial herb

Scutellaria tuberosa Danny's skullcap, Scullcap

native
Perennial herb

Sedum lanceolatum Lance leaf stonecrop, Spearleaf stonecrop

native
Perennial herb

Sedum obtusatum var. obtusatum Sierra stonecrop

native
Perennial herb

Sedum obtusatum ssp. retusum Klamath stonecrop, Sierra stonecrop

native
Perennial herb

Sedum oregonense Cream stonecrop

native
Perennial herb

Sedum radiatum Coast range stonecrop

native
Annual herb

Sedum spathulifolium Broadleaf stonecrop, Pacific stonecrop, Stone crop

native
Perennial herb

Selaginella oregana Oregon spike moss, Oregon spikemoss

native

SELAGINELLACEAE

Selaginella wallacei Wallace moss fern, Wallace's spike moss, Wallace's spikemoss

native

SELAGINELLACEAE

Selaginella watsonii Watson's spike moss, Watson's spikemoss

native

SELAGINELLACEAE

Senecio aphanactis California groundsel, Chaparral ragwort, Rayless ragwort

• rare native
Annual herb

Senecio aronicoides California butterweed, California groundsel, California rayless butterweed

native
Perennial herb

Erechtites glomerata Cutleaf burnweed

• invasive non-native
Annual, Perennial herb

Senecio hydrophiloides Sweet marsh ragwort, Tall groundwel

• rare native
Perennial herb

Senecio integerrimus 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 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

Sequoia sempervirens Coast redwood

native
Tree

Sequoiadendron giganteum Giant sequoia, Sierra redwood, big tree

native
Tree

Aster oregonensis Oregon whitetop aster

native
Perennial herb

Sherardia arvensis Blue fieldmadder, Field madder

non-native
Annual herb

Sidalcea asprella Harsh checker mallow

native
Perennial herb (rhizomatous)

Sidalcea gigantea Giant checkerbloom

• rare native
Perennial herb

Sidalcea glaucescens Glaucous checker mallow, Waxy checkerbloom, Waxy checkermallow

native
Perennial herb

Sidalcea malachroides Maple leaved checkerbloom, Mapleleaf checkerbloom

• rare native
Perennial herb

Sidalcea malvaeflora ssp. asprella Checker bloom, Checker mallow, Dwarf checkerbloom

native
Perennial herb

Sidalcea oregana ssp. spicata Oregon checker mallow, Oregon checkerbloom, Spicate checker mallow

native
Perennial herb

Sidalcea reptans Sierra checker mallow, Sierra checkerbloom

native
Perennial herb

Silene bernardina Palmer's campion, Palmer's catchfly

native
Perennial herb

Silene campanulata ssp. campanulata Red mountain catchfly, Red mtn. catchfly

• rare 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 californica California indian pink

native
Perennial herb

Silene lemmonii Lemmon campion, Lemmon's catchfly

native
Perennial herb

Silene nuda Naked campion, Western fringed catchfly

native
Perennial herb

Silene occidentalis var. occidentalis Western campion, Western catchfly

native
Perennial herb

Silene occidentalis ssp. longistipitata Western campion, Western catchfly

• rare native
Perennial herb

Silybum marianum Blessed milkthistle, Milk thistle

• invasive non-native
Annual, Perennial herb

Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard

non-native
Annual herb

Sisyrinchium bellum Western blue eyed grass

native
Perennial herb

Sisyrinchium elmeri Drew goldeneyed grass, Elmer's blue eyed grass, Elmer's golden eyed grass

native
Perennial herb

Sisyrinchium idahoense Idaho blue eyed grass

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 umbelliferum Blue witch nightshade, Bluewitch nightshade

native
Shrub

Solanum xanti Chaparral nightshade, Nightshade, Purple nightshade

native
Perennial herb, Shrub

Solidago confinis Southern goldenrod

native
Perennial herb

Solidago canadensis ssp. elongata West coast canada goldenrod

native
Perennial herb

Solidago velutina Threenerve goldenrod

native
Perennial 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

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

Sparganium angustifolium Narrow leaved bur reed, Narrowleaf bur reed

native
Perennial herb

Sparganium emersum ssp. emersum European bur reed

native
Perennial herb

Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry

non-native
Annual, Perennial herb

Spiraea douglasii Douglas spiraea, Douglas' spirea, Douglas's spirea

native
Shrub

Spiraea densiflora 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

Stachys ajugoides var. ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle

native
Perennial herb

Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle

native
Perennial herb

Stachys ajugoides var. rigida Mexican hedgenettle

native
Perennial herb

Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle

native
Perennial herb

Stachys rigida Rough hedgenettle

native
Perennial herb

Stachys stricta Sonoma hedge nettle, Sonoma hedgenettle

native
Perennial herb

Stellaria borealis ssp. sitchiana Boreal starwort

native
Perennial herb

Stellaria calycantha Northern bogwort, Northern starwort

native
Perennial herb

Stellaria crispa Curled starwort, Ruffled starwort

native
Perennial herb

Stellaria longipes var. longipes Chickweed, starwort

native
Perennial herb

Stellaria media 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)

Stenotus lanuginosus Woolly mock goldenweed, Woolly stenotus

native
Perennial herb

Stephanomeria elata Annual mitra, Santa barbara stephanomeria, Santa barbara wirelettuce

native
Annual herb

Stephanomeria exigua Small wirelettuce

native
Annual herb

Stephanomeria lactucina Forest stephanomeria, Large flowered stephanomeria, Wirelettuce

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

Achnatherum latiglume Wide-glumed needle grass

native
Perennial grass

Achnatherum lemmonii Lemmon's needle grass

native
Perennial grass

Nassella lepida Foothill needle grass

native
Perennial grass

Achnatherum nelsonii ssp. dorei Mountain needle grass

native
Perennial grass

Achnatherum occidentale Western needlegrass

native
Perennial grass

Achnatherum occidentale ssp. californicum California needle grass

native
Perennial grass

Achnatherum occidentale ssp. californicum

Achnatherum occidentale ssp. occidentale Western needle grass

native
Perennial grass

Achnatherum occidentale ssp. occidentale

Achnatherum occidentale ssp. pubescens Common western needle grass

native
Perennial grass

Achnatherum stillmanii Stillman's needle grass

native
Perennial grass

Streptanthus barbatus Pacific jewelflower

native
Perennial herb

Streptanthus barbiger Bearded jewelflower

• rare native
Annual herb

Streptanthus breweri var. breweri Brewer's jewelflower

native
Annual herb

Streptanthus longisiliquus Long-fruit jewel-flower

• rare native
Perennial herb

Streptanthus polygaloides Milkwort jewelflower

native
Annual herb

Streptanthus tortuosus var. orbiculatus Jewelweed, Mountain jewelflower, Shieldplant

native
Annual, Perennial herb

Streptanthus tortuosus var. tortuosus Jewelweed, Mountain jewelflower, Shieldplant

native
Annual, Perennial herb

Streptopus amplexifolius var. americanus American streptopus, Schultestwisted stalk, Twisted stalk

native
Perennial herb

Streptopus amplexifolius var. americanus

Blechnum spicant Deer fern

native
Fern

BLECHNACEAE

Styrax officinalis var. redivivus California snowdrop bush, Snowdrop bush, Storax

native
Shrub

STYRACACEAE

Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry

native
Shrub

Symphoricarpos mollis Creeping snowberry, Trailing snowberry

native
Shrub

Symphoricarpos acutus Creeping snowberry, Trailing snowberry

native
Shrub

Symphoricarpos rotundifolius var. rotundifolius Mountain snowberry, Roundleaved snowberry

native
Shrub

Symphoricarpos rotundifolius var. rotundifolius

Aster ascendens Western aster

native
Perennial herb

Symphyotrichum spathulatum Western mountain aster

native
Perennial herb

Aster occidentalis Western mountain aster

native
Perennial herb

Synthyris reniformis Snow queen, Snowqueen

native
Perennial herb

Tanacetum vulgare Common tansy

• invasive non-native
Perennial herb

Taraxacum erythrospermum Red-seeded dandelion

non-native
Perennial herb

Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion

• invasive non-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

Tauschia glauca Glaucous tauschia, Glaucous umbrellawort

• rare native
Perennial herb

Tauschia hartwegii Hartweg's tauschia, Hartweg's umbrellawort, Tauschia

native
Perennial herb

Tauschia kelloggii Kellogg's tauschia, Kellogg's umbrellawort

native
Perennial herb

Taxus brevifolia California yew, Pacific yew, Western yew

native
Tree

TAXACEAE

Tellima grandiflora Bigflower tellima, Fringe cups

native
Perennial herb

Thalictrum fendleri var. fendleri Fendler's meadow rue

native
Perennial herb

Thalictrum sparsiflorum Few flowered meadow rue, Fewflower meadow rue

native
Perennial herb

Thermopsis macrophylla var. argentata Silvery false lupine

• rare native
Perennial herb (rhizomatous)

Thermopsis macrophylla var. venosa Slender goldenbanner

• rare native
Perennial herb (rhizomatous)

Thermopsis gracilis Slender goldenbanner

• rare native
Perennial herb (rhizomatous)

Thermopsis macrophylla var. macrophylla California falselupine, Common false lupine, Santa inez goldenbanner

• rare native
Perennial herb

Thlaspi arvense Fan weed, Field pennycress

non-native
Annual herb

Thuja plicata Western red cedar

native
Tree

Thysanocarpus curvipes Fringe pod, Fringed pod, Hairy lacepod

native
Annual herb

Tiarella trifoliata var. trifoliata Threeleaf foamflower, Trifoliate laceflower

• rare native
Perennial herb (rhizomatous)

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

Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer

• invasive non-native
Annual herb

Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley

non-native
Annual herb

Torreyochloa pallida var. pauciflora Mannagrass, Pale false mannagrass, Weak mannagrass

native
Perennial grass (rhizomatous)

Pseudostellaria jamesiana Tuber starwort

native
Perennial herb

Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak

native
Vine, Shrub

ANACARDIACEAE

Zigadenus exaltatus Giant death camas

native
Perennial herb

Zigadenus fremontii Fremont's star lily, Fremont's death camas

native
Perennial herb

Zigadenus micranthus Small flowered star lily

native
Perennial herb

Toxicoscordion paniculatum Foothill deathcamas

native
Perennial herb

Zigadenus paniculatus Foothill deathcamas

native
Perennial herb

Zigadenus venenosus var. venenosus Meadow deathcamas

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

Tofieldia occidentalis ssp. occidentalis Western false asphodel

native
Perennial herb

TOFIELDIACEAE

Tofieldia occidentalis ssp. occidentalis

Trichostema lanceolatum Vinegarweed

native
Annual herb

Trichostema laxum Turpentine weed

native
Annual herb

Trichostema oblongum Mountain bluecurls, Oblong bluecurls

native
Annual herb

Trifolium angustifolium Narrow leaved clover, Narrowleaf crimson clover

non-native
Annual herb

Trifolium arvense Rabbitfoot clover

non-native
Annual herb

Trifolium breweri Brewer's clover, Forest clover

native
Perennial herb

Trifolium ciliolatum Foothill clover, Tree clover

native
Annual herb

Trifolium cyathiferum Bowl clover, Cup 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. laciniatum Cowbag clover, Dwarf bladder clover, Dwarf sack clover

native
Annual herb

Trifolium dubium Shamrock clover, Little Hop Clover, Suckling clover

non-native
Annual herb

Trifolium eriocephalum var. eriocephalum Woollyhead clover

native
Perennial herb

Trifolium eriocephalum var. eriocephalum

Trifolium fucatum Bull clover, Sour clover

native
Annual herb

Trifolium hirtum Rose clover

• invasive non-native
Annual herb

Trifolium hybridum Alsike clover

non-native
Perennial herb

Trifolium longipes Long stalked clover, Longstalk clover, Summer clover

native
Perennial herb

Trifolium longipes var. elmeri Elmer's clover

native
Perennial herb

Trifolium longipes var. nevadense Hansen's clover

native
Perennial herb

Trifolium longipes var. oreganum Oregon clover

native
Perennial herb

Trifolium longipes var. shastense Longstalk clover

native
Perennial herb

Trifolium macrocephalum Big headed clover, Largehead clover

native
Perennial herb

Trifolium microcephalum Hairy clover, Small headed clover

native
Annual herb

Trifolium monanthum Carpet clover, Mountain carpet clover

native
Perennial herb

Trifolium oliganthum Few flowered clover, Fewflower clover, Minitomcat clover

native
Annual herb

Trifolium pratense Red clover

non-native
Perennial herb

Trifolium kingii var. productum Productive clover

native
Perennial herb

Trifolium repens White clover

non-native
Perennial herb

Trifolium subterraneum Sub clover, Subterranean clover

non-native
Annual herb

Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover

native
Annual herb

Trifolium willdenovii Tomcat clover

native
Annual herb

Trifolium wormskioldii Coast clover, Cow clover, Cows clover

native
Perennial herb

Trillium angustipetalum Narrow petaled wakerobin, Narrowpetal wakerobin

native
Perennial herb

Trillium chloropetalum Common trillium, Giant wakerobin, 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

Triphysaria pusilla Dwarf owl's clover, Little owl's clover

native
Annual herb

Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum

native
Perennial grass

Trisetum cernuum Nodding oatgrass, Nodding trisetum

native
Perennial grass

Trisetum spicatum Narrow oatgrass, Spike trisetum

native
Perennial grass

Triteleia crocea var. crocea Yellow triteleia

• rare native
Perennial herb (bulb)

Triteleia crocea var. modesta Trinity mountains pretty face, Yellow triteleia

• rare native
Perennial herb (bulb)

Triteleia hyacinthina White brodiaea, Wild hyacinth, White Brodiaea, Fool's Onion

native
Perennial herb

Triteleia ixioides ssp. anilina Mountain pretty face, Prettyface

native
Perennial herb

Triteleia ixioides ssp. ixioides Golden brodiaea

native
Perennial herb

Triteleia ixioides ssp. scabra Foothill triteleia, Prettyface

native
Perennial herb

Triteleia laxa Ithuriel's spear

native
Perennial herb

Tsuga heterophylla Western hemlock

native
Tree

Tsuga mertensiana Mountain hemlock

native
Tree

Arabis 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 latifolia Broadleaf cattail, Common cattail, Soft flag

native
Perennial herb (aquatic)

Umbellularia californica Bay laurel, California bay, California laurel, bay tree

native
Tree

LAURACEAE

Uropappus lindleyi Silver puffs, Uropappus

native
Annual herb

Urtica dioica ssp. gracilis American stinging nettle, California nettle

native
Perennial herb

URTICACEAE

Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle

native
Perennial herb

URTICACEAE

Utricularia intermedia Flat leaf bladderwort, Flat leaved bladderwort, Flatleaf bladderwort

• rare native
Annual herb

LENTIBULARIACEAE

Utricularia macrorhiza Common bladderwort

native
Perennial herb

LENTIBULARIACEAE

Utricularia vulgaris Common bladderwort

native
Perennial herb

LENTIBULARIACEAE

Vaccinium caespitosum Dwarf bilberry, Huckleberry

native
Shrub

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 uliginosum ssp. occidentale Western blueberry

native
Shrub

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

Veratrum californicum var. californicum California corn lily, California false hellebore, Western false hellebore

native
Perennial herb

Veratrum insolitum Siskiyou false hellebore

• rare native
Perennial herb

Verbascum thapsus Common mullein, Woolly mullein

• invasive non-native
Perennial herb

Verbena bracteata Bigbract verbena, Bracted verbena

native
Annual, Perennial herb

VERBENACEAE

Verbena hastata Blue vervain, Swamp verbena

native
Perennial herb

VERBENACEAE

Verbena lasiostachys Common verbena, Vervain, Western verbena

native
Perennial herb

VERBENACEAE

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 peregrina ssp. xalapensis Hairy purslane speedwell, Neckweed, Purslane speedwell

native
Annual herb

Veronica scutellata Marsh speedwell, Skullcap speedwell

native
Perennial herb

Veronica serpyllifolia ssp. humifusa Bright blue speedwell, Brightblue speedwell, Sprawling speedwell

native
Perennial herb

Veronica wormskjoldii American alpine speedwell, American alpine speedwell

native
Perennial herb

Vicia americana var. americana American vetch

native
Perennial herb, Vine

Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch

non-native
Annual herb, Vine

Vicia gigantea Giant vetch

native
Perennial herb

Vicia hirsuta Hairy vetch, Tiny vetch, 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

Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca

• invasive non-native
Perennial herb

Viola adunca Blue violet, Dog violet, Hookedspur violet

native
Perennial herb

Viola bakeri Baker's violet

native
Perennial herb

Viola 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 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 macloskeyi Macloskey's violet, Small white violet

native
Perennial herb

Viola ocellata Pinto violet, Twoeyed violet, Western heart's ease

native
Perennial herb

Viola pinetorum Goosefoot yellow violet, Pine violet

native
Perennial herb

Viola purpurea ssp. xerophyta Goosefoot yellow violet, Pine violet

native
Perennial herb

Viola praemorsa Astoria violet, Canary violet

native
Perennial herb

Viola purpurea Goosefoot violet, Mountain violet

native
Perennial herb

Viola purpurea ssp. integrifolia Goosefoot violet, Smooth leaved violet

native
Perennial herb

Viola purpurea ssp. quercetorum 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

Vitis californica California grape, California wild grape

native
Vine, Shrub

VITACEAE

Whipplea modesta Modesty, Whipplea, Whipplevine

native
Vine, Shrub

HYDRANGEACEAE

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

Wyethia helenioides Gray mule ears, Whitehead mule ears, Whitehead wyethia

native
Perennial herb

Wyethia mollis Mountain mule ears, Mule ears, Woolly mule ears

native
Perennial herb

Xerophyllum tenax Common beargrass

native
Perennial herb

Centaurium venustum California Centaury, Charming Centaury

native
Annual herb