East Bay unusual plants Illustrated Plant List

Acanthomintha lanceolata Santa clara thorn mint

• rare native
Annual herb

Acmispon denticulatus Toothed lotus

native
Annual herb

Acmispon junceus var. biolettii Bioletti's rush lotus

native
Perennial herb

Acmispon strigosus Strigose lotus

native
Annual herb

Actaea rubra baneberry, Western baneberry

native
Perennial herb

Adiantum aleuticum Five finger fern

native
Fern

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

native
Perennial herb

Agoseris heterophylla var. cryptopleura Mountain dandelion

native
Annual herb

Agoseris heterophylla var. heterophylla Annual agoseris

native
Annual herb

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

native
Perennial herb

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

native
Perennial grass

Alisma triviale Northern water plantain

native
Perennial herb (aquatic)

ALISMATACEAE

Allenrolfea occidentalis Iodine bush, Iodinebush

native
Shrub

Allium acuminatum Taper tipped onion, Tapertip onion

native
Perennial herb (bulb)

Allium amplectens Narrow leaved onion, Narrowleaf onion

native
Perennial herb (bulb)

Allium bolanderi var. bolanderi Bolander's onion

native
Perennial herb (bulb)

Allium crispum Crinkled onion

native
Perennial herb (bulb)

Allium falcifolium Scytheleaf onion, Sickle leaf onion

native
Perennial herb (bulb)

Allium peninsulare var. peninsulare Mexicali onion, Penisula onion

native
Perennial herb (bulb)

Allium sharsmithiae Sharsmith's onion

• rare native
Perennial herb (bulb)

Allium unifolium One leaf onion, Oneleaf 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

Alnus rubra Oregon alder, Red alder

native
Tree, Shrub

BETULACEAE

Alopecurus saccatus Pacific foxtail

native
Annual grass

Amaranthus blitoides Mat amaranth, Prostrate amaranth, Prostrate pigweed

native
Annual herb

Amaranthus californicus California amaranth, California pigweed

native
Annual herb

Amaranthus palmeri Carelessweed, Palmer's amaranth

native
Annual herb

Amaranthus powellii Powell's amaranth

native
Annual herb

Ambrosia chamissonis Beach bur, Silver beachweed

native
Perennial herb

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

native
Shrub

Ammannia coccinea Purple ammannia, Red ammannia

native
Annual herb

LYTHRACEAE

Amsinckia douglasiana Douglas' fiddleneck

• rare native
Annual herb

Amsinckia eastwoodiae Eastwood's fiddleneck

native
Annual herb

Amsinckia grandiflora Large flowered fiddleneck, Largeflowered fiddleneck

• rare native
Annual herb

Amsinckia lunaris Bent flowered fiddleneck, Bentflower fiddleneck

• rare native
Annual herb

Amsinckia lycopsoides Bugloss fiddleneck, Tarweed fiddleneck

native
Annual herb

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

native
Annual herb

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

native
Annual herb

Amsinckia vernicosa Green fiddleneck

native
Annual herb

Ancistrocarphus filagineus False neststraw, Woolly fishhooks

native
Annual herb

Androsace elongata ssp. acuta California androsace, California rockjasmine

• rare native
Annual herb

PRIMULACEAE

Anemopsis californica Yerba mansa

native
Perennial herb

SAURURACEAE

Anisocarpus madioides Woodland madia

native
Perennial herb

Anthoxanthum occidentale California sweet grass, Vanilla grass

native
Perennial grass

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

native
Annual herb

Antirrhinum multiflorum

native
Perennial herb

Antirrhinum vexillocalyculatum ssp. vexillocalyculatum Wiry snapdragon

native
Annual herb

Antirrhinum vexillocalyculatum ssp. vexillocalyculatum

Aphyllon californicum ssp. jepsonii Jepson's california broom rape

native
Perennial herb (parasitic)

Aphyllon fasciculatum Clustered broomrape

native
Perennial herb (parasitic)

Aphyllon pinorum Pinewoods broom rape

native
Perennial herb (parasitic)

Orobanche uniflora Purple broomrape

Annual herb

Aphyllon tuberosum Chaparral broomrape

native
Perennial herb (parasitic)

Aphyllon vallicolum Valley broom rape

native
Annual herb

Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley

native
Annual herb

Apocynum androsaemifolium Bitter dogbane, Spreading dogbane

native
Perennial herb

Apocynum cannabinum Indian hemp, Indianhemp dogbane, Hemp Dogbane

native
Perennial herb

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

native
Perennial herb

Aquilegia formosa Crimson columbine, Sitka columbine, Western columbine

native
Perennial herb

Arabis blepharophylla Coast rock cress

• rare native
Perennial herb

Aralia californica California spikenard, Elk's clover, Elkclover

native
Perennial herb

ARALIACEAE

Arbutus menziesii Madrono, Pacific madrone, Madrone

native
Tree

Arceuthobium campylopodum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

VISCACEAE

Arctostaphylos auriculata Mount Diablo manzanita

• rare native
Shrub

Arctostaphylos crustacea ssp. crustacea Brittle leaf manzanita

native
Shrub

Arctostaphylos crustacea ssp. rosei Rose's manzanita

native
Shrub

Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita

native
Shrub

Arctostaphylos glandulosa ssp. cushingiana

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

native
Shrub

Arctostaphylos glandulosa ssp. glandulosa

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

native
Shrub

Arctostaphylos glauca Big berry manzanita, Bigberry manzanita

native
Tree, Shrub

Arctostaphylos manzanita ssp. laevigata Contra costa manzanita

• rare native
Shrub

Arctostaphylos manzanita ssp. manzanita Common Manzanita

native
Shrub

Arctostaphylos pallida Alameda manzanita, Oakland hills manzanita, Pallid manzanita

• rare native
Shrub

Argemone munita Chicalote, Prickly poppy

native
Annual, Perennial herb

Aristida oligantha Oldfield three awn, Prairie threeawn

native
Annual grass

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

native
Vine, Shrub

ARISTOLOCHIACEAE

Arnica discoidea Rayless arnica

native
Perennial herb

Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon

native
Perennial herb

Artemisia pycnocephala Beach sagewort, Coastal sagewort

native
Perennial herb

Arthrocnemum subterminale Parish's glasswort

native
Perennial herb

Asarum caudatum Creeping wild ginger, Longtail wild ginger

native
Perennial herb

ARISTOLOCHIACEAE

Asclepias californica California milkweed

native
Perennial herb

Asclepias cordifolia Heart leaf milkweed, Heartleaf milkweed, Purple milkweed

native
Perennial herb

Asclepias speciosa Showy milkweed

native
Perennial herb

Aspidotis californica California lace fern, California lacefern

native
Fern

Aspidotis carlotta-halliae Carlotta hall's lace fern

• rare native
Fern (rhizomatous)

Aspidotis densa Cliffbrake, Lace fern

native
Fern

Astragalus asymmetricus San joaquin milk vetch, San joaquin milkvetch

native
Perennial herb

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

• rare native
Annual herb

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

native
Annual herb

Astragalus didymocarpus var. didymocarpus

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

• rare native
Perennial herb

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

native
Perennial herb

Astragalus oxyphysus Stanislaus milkvetch

native
Perennial herb

Astragalus tener var. tener Alkali milk vetch, Alkali milkvetch

• rare native
Annual herb

Athysanus unilateralis Ladiestongue mustard

native
Annual herb

Atriplex argentea var. expansa Mojave silverscale

native
Annual herb

Atriplex cordulata var. cordulata Heartscale

• rare native
Annual herb

Atriplex cordulata var. erecticaulis Earlimart orach

• rare native
Annual herb

Atriplex coronata var. coronata Crownscale

• rare native
Annual herb

Atriplex depressa Brittlescale

• rare native
Annual herb

Atriplex dioica Spike saltbush

native
Annual herb

Atriplex fruticulosa Ball saltbush, Valley saltbush

native
Perennial herb

Atriplex gmelinii var. gmelinii Gmelin's saltbush

native
Annual herb

Atriplex lentiformis Big saltbush

native
Shrub

Atriplex leucophylla Beach salt bush, Beach saltbush, Sea scale

native
Perennial herb

Atriplex serenana var. serenana Bractscale, Saltscale

native
Annual herb

Balsamorhiza deltoidea Balsam deltoid, Deltoid balsam root, Deltoid balsamroot

native
Perennial herb

Balsamorhiza macrolepis Big scale balsam root, California balsamroot

• rare native
Perennial herb

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

native
Shrub

Berberis nervosa Cascades oregon grape, Oregongrape

native
Shrub

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

native
Shrub

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

native
Perennial herb

Bidens frondosa Devil's beggartick, Sticktight

native
Annual herb

Bidens laevis Bur marigold

native
Perennial herb

Blennosperma nanum var. nanum Common blennosperma, Common stickyseed

native
Annual herb

Blepharizonia laxa Glandular big tarweed

native
Annual herb

Blepharizonia plumosa Big tarweed

• rare native
Annual herb

Boechera breweri ssp. breweri Brewer's rockcress

native
Perennial herb

Bolboschoenus fluviatilis River bulrush

native
Perennial grasslike herb

Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush

native
Perennial grasslike herb

Brickellia californica Brickell bush, California brickellbush, California brickellia

native
Shrub

Brodiaea terrestris ssp. terrestris Dwarf brodiaea

native
Perennial herb

Bromus maritimus Maritime brome

native
Perennial grass

Calamagrostis koelerioides Fire reedgrass

native
Perennial grass

Calamagrostis nutkaensis Pacific reedgrass

native
Perennial grass

Calamagrostis rubescens Pine grass, Pinegrass

native
Perennial grass

Calandrinia breweri Brewer's calandrinia

• rare native
Annual herb

California macrophylla Round leaved filaree

native
Annual herb

GERANIACEAE

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

native
Perennial herb

Calochortus invenustus Plain mariposa lily

native
Perennial herb

Calochortus luteus Yellow mariposa lily

native
Perennial herb

Calochortus pulchellus Mount Diablo globelily, Mt. Diablo fairy lantern

• rare native
Perennial herb (bulb)

Calochortus splendens Splendid mariposa lily

native
Perennial herb

Calochortus umbellatus Oakland mariposa lily, Oakland star tulip

• rare native
Perennial herb (bulb)

Calochortus venustus Butterfly mariposa lily

native
Perennial herb

Calycadenia multiglandulosa Rosin weed, Sticky calycadenia, Sticky western rosinweed

native
Annual herb

Calycadenia truncata Rosin weed

native
Annual herb

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

native
Perennial herb

Calystegia malacophylla ssp. pedicellata

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

• rare native
Perennial herb

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

native
Perennial herb

Calystegia soldanella Beach morning glory, Beach morningglory

native
Perennial herb

Camissonia campestris ssp. campestris Field sun cup, Mojave suncup

native
Annual herb

Camissonia contorta Contorted sun cup, Plains evening primrose

native
Annual herb

Camissonia strigulosa Contorted primrose, Sandysoil suncup, Strigose sun cup

native
Annual herb

Camissoniopsis cheiranthifolia ssp. cheiranthifolia Beach evening-primrose

native
Annual, Perennial herb

Camissoniopsis cheiranthifolia ssp. cheiranthifolia

Camissoniopsis hirtella Hairy sun cup

native
Annual herb

Camissoniopsis intermedia Intermediate sun cups

native
Annual herb

Camissoniopsis micrantha Spencer primrose

native
Annual herb

Campanula exigua Chaparral harebell

• rare native
Annual herb

Campanula griffinii Griffin's bellflower, Griffin's harebell

native
Annual herb

Carex aquatilis var. dives Sitka sedge

native
Perennial grasslike herb

Carex barbarae Santa barbara sedge, Valley sedge

native
Perennial grasslike herb

Carex brevicaulis Short stem sedge

native
Perennial grasslike herb

Carex comosa Bristly sedge, Longhair sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex densa Dense sedge, Sedge

native
Perennial grasslike herb

Carex globosa Round fruit sedge

native
Perennial grasslike herb

Carex gracilior Slender sedge

native
Perennial grasslike herb

Carex harfordii Harford's sedge, Monterey sedge

native
Perennial grasslike herb

Carex heteroneura Different nerve sedge, Variable nerved sedge

native
Perennial grasslike herb

Carex laeviculmis Smooth stem sedge, Smoothstem sedge

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Carex leporina Hare or oval sedge

native
Perennial grasslike herb

Carex leptopoda Slender-footed 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 pellita Woolly sedge

native
Perennial grasslike herb

Carex praegracilis Clustered field sedge, Field sedge

native
Perennial grasslike herb

Carex senta Rough sedge, Swamp carex, Swamp sedge

native
Perennial grasslike herb

Carex serratodens Bifid sedge, Two tooth sedge

native
Perennial grasslike herb

Carex subbracteata Small bract sedge

native
Perennial grasslike herb

Carex tumulicola Foothill sedge, Slender sedge, Split awn sedge

native
Perennial grasslike herb

Carex unilateralis Lateral sedge

native
Perennial grasslike herb

Castilleja ambigua ssp. ambigua Johnny nip

native
Annual herb

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

native
Perennial herb

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

native
Annual herb

Castilleja rubicundula ssp. lithospermoides Cream sacs

native
Annual herb

Castilleja rubicundula ssp. lithospermoides

Castilleja subinclusa ssp. franciscana Franciscan paintbrush, Longleaf indian paintbrush

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

Caulanthus flavescens Yellow california mustard

native
Annual herb

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

• rare native
Annual herb

Ceanothus cuneatus var. cuneatus Buck brush, Buckbrush

native
Shrub

Ceanothus leucodermis Chaparral whitethorn

native
Shrub

Ceanothus thyrsiflorus var. thyrsiflorus Blue blossom

native
Tree, Shrub

Ceanothus thyrsiflorus var. thyrsiflorus

Centromadia parryi ssp. congdonii Congdon's tarplant

• rare native
Annual herb

Cephalanthus occidentalis Common buttonbush

native
Shrub

Cercis occidentalis Redbud, Western redbud

native
Tree, Shrub

Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany

native
Tree, Shrub

Chaenactis glabriuscula var. glabriuscula Common yellow chaenactis, Yellow pincushion

native
Annual herb

Chaenactis glabriuscula var. glabriuscula

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

native
Annual herb

Chaenactis glabriuscula var. heterocarpha

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

native
Annual herb

Chaenactis glabriuscula var. megacephala

Chenopodium berlandieri var. sinuatum Pitseed goosefoot

native
Annual herb

Chenopodium berlandieri var. zschackei Pit seed goosefoot

native
Annual herb

Chenopodium rubrum Red goosefoot

native
Annual herb

Chenopodium rubrum var. humile Red goosefoot

non-native
Annual herb

Chenopodium rubrum var. rubrum Red goosefoot

native
Annual herb

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

• rare native
Annual herb

Chloropyron molle ssp. hispidum Hispid bird's-beak

• rare native
Annual herb

Chloropyron molle ssp. molle Soft bird's-beak

• rare native
Annual herb

Chloropyron palmatum Palmate-bracted bird's-beak

• rare native
Annual herb

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

• rare native
Annual herb

Chorizanthe membranacea Pink spineflower

native
Annual herb

Chorizanthe polygonoides var. polygonoides Knotweed spineflower

native
Annual herb

Chorizanthe polygonoides var. polygonoides

Chorizanthe robusta var. robusta Robust spineflower

• rare native
Annual herb

Chorizanthe uniaristata One awn spineflower, Oneawn spineflower

native
Annual herb

Chrysolepis chrysophylla var. minor Bush chinquapin, Giant chinquapin

native
Tree, Shrub

Cicendia quadrangularis Common microcalis, Oregon timwort

native
Annual herb

GENTIANACEAE

Cicuta douglasii Western water hemlock

native
Perennial herb

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

• rare native
Perennial herb

Cirsium andrewsii Franciscan thistle

• rare native
Perennial herb

Cirsium brevistylum Clustered thistle, Indian thistle

native
Perennial herb

Cirsium cymosum var. cymosum Peregrine thistle

native
Perennial herb

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

native
Perennial herb

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

• rare native
Perennial herb

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

native
Perennial herb

Cirsium occidentale var. coulteri Coulter's thistle

native
Perennial herb

Cirsium occidentale var. occidentale Cobweb thistle, Cobwebby thistle

native
Perennial herb

Cirsium quercetorum Alameda county thistle, Brownie thistle

native
Annual, Perennial herb

Cirsium remotifolium var. odontolepis Pacific fringed thistle

native
Perennial herb

Clarkia affinis Chaparral clarkia, Chaparral fairyfan

native
Annual herb

Clarkia biloba ssp. biloba Two lobed clarkia, Twolobe clarkia

native
Annual herb

Clarkia breweri Brewer's clarkia, Fairy fans

• rare native
Annual herb

Clarkia concinna ssp. automixa Santa clara red ribbons

• rare native
Annual herb

Clarkia concinna ssp. concinna Red ribbons

native
Annual herb

Clarkia franciscana Presidio clarkia

• rare native
Annual herb

Clarkia gracilis ssp. gracilis Graceful clarkia, Slender clarkia

native
Annual herb

Clarkia modesta Waltham Creek clarkia

native
Annual herb

Clarkia purpurea ssp. purpurea Purple clarkia, Winecup clarkia

native
Annual herb

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

native
Annual herb

Clarkia tembloriensis ssp. tembloriensis Temblor range clarkia

native
Annual herb

Clarkia tembloriensis ssp. tembloriensis

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

native
Annual herb

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

native
Annual herb

Claytonia gypsophiloides Gypsum spring beauty, Gypsum springbeauty

native
Annual herb

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

native
Annual herb

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

native
Perennial herb, Vine

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

native
Perennial herb

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

native
Annual herb

Collinsia bartsiifolia var. bartsiifolia

Collinsia bartsiifolia var. stricta White blue eyed mary

native
Annual herb

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

native
Annual herb

Collinsia sparsiflora var. collina Hillside collinsia

native
Annual herb

Collinsia sparsiflora var. sparsiflora Few flowered collinsia

native
Annual herb

Collinsia tinctoria Sticky chinese houses, Tincture plant

native
Annual herb

Collomia diversifolia Serpentine collomia

• rare native
Annual herb

Collomia heterophylla Variableleaf collomia, Varied leaved collomia

native
Annual herb

Convolvulus simulans Small flowered morning glory

• rare native
Annual herb

Corallorhiza maculata Spotted coralroot, Summer coral root, Summer coralroot

native
Perennial herb

Corallorhiza maculata var. maculata Summer coralroot

native
Perennial herb

Corallorhiza striata Hooded coralroot, Striped coral root

native
Perennial herb

Cordylanthus nidularius Mt. Diablo bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus pilosus ssp. pilosus Hairy bird's beak

native
Annual herb

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

native
Annual herb (hemiparasitic)

Corethrogyne filaginifolia Common sandaster

native
Perennial herb

Cornus glabrata Brown dogwood

native
Tree, Shrub

CORNACEAE

Cornus sericea ssp. occidentalis Western dogwood

native
Shrub

CORNACEAE

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

native
Shrub

CORNACEAE

Crassula aquatica Aquatic pygmy weed, Pigmy weed, Water pygmyweed

native
Annual herb

Crassula solieri Little pygmy weed, Smoothseed pygmyweed

native
Annual herb

Crocidium multicaule Common spring gold

native
Annual herb

Croton californicus California croton, Desert croton

native
Perennial herb

EUPHORBIACEAE

Cryptantha clevelandii var. florosa Coastal cryptantha

native
Annual herb

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

native
Annual herb

Cryptantha hooveri Hoover's cryptantha

• rare native
Annual herb

Cryptantha intermedia var. intermedia Common cryptantha

native
Annual herb

Cryptantha nevadensis var. rigida Rigid 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 muricata var. jonesii Jones' cryptantha

native
Annual herb

Cryptantha muricata var. muricata Showy prickly-nut cryptantha

native
Annual herb

Cryptantha nemaclada Colusa cryptantha

native
Annual herb

Cryptantha rattanii Rattan's cryptantha

• rare native
Annual herb

Cryptantha torreyana var. pumila Dwarf cryptantha

native
Annual herb

Cucurbita foetidissima Calabazilla, Missouri gourd, Mock orange

native
Perennial herb, Vine

CUCURBITACEAE

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

native
Annual herb, Vine (parasitic)

Cuscuta campestris Field dodder

native
Annual herb, Vine (parasitic)

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

native
Annual herb, Vine (parasitic)

Cuscuta occidentalis California dodder

native
Annual herb, Vine (parasitic)

Cuscuta pacifica var. pacifica Dodder

native
Annual herb, Vine (parasitic)

Cuscuta subinclusa Canyon dodder

native
Annual herb, Vine (parasitic)

Cyperus erythrorhizos Red rooted cyperus, Redroot flatsedge

native
Annual grasslike herb

Cyperus niger Black cyperus, Black flatsedge, Brown cyperus

native
Perennial grasslike herb

Cyperus odoratus Fragrant flatsedge

native
Annual grasslike herb

Cyperus strigosus False nutsedge, False nutseed, Straw colored cyperus

native
Perennial grasslike herb

Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern

native
Fern

CYSTOPTERIDACEAE

Danthonia californica California oatgrass

native
Perennial grass

Datisca glomerata Durango root

native
Perennial herb

DATISCACEAE

Deinandra bacigalupii Livermore moonshine, Livermore tarplant

• rare native
Annual herb

Deinandra corymbosa Coastal tarweed

native
Annual herb

Deinandra kelloggii Kellogg's tarweed

native
Annual herb

Deinandra lobbii Threeray tarweed

native
Annual herb

Delphinium californicum ssp. californicum California larkspur

native
Perennial herb

Delphinium californicum ssp. californicum

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

• rare native
Perennial herb

Delphinium decorum ssp. decorum Coastal larkspur

native
Perennial herb

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

native
Perennial herb

Delphinium gypsophilum Gypsum loving larkspur, Pinoche creek larkspur

native
Perennial herb

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

native
Perennial herb

Delphinium hesperium ssp. hesperium Foothill larkspur, Western larkspur

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

Delphinium recurvatum Byron larkspur, Recurved larkspur

• rare native
Perennial herb

Delphinium variegatum ssp. variegatum Royal larkspur

native
Perennial herb

Dendromecon rigida Bush poppy, Tree poppy

native
Shrub

Deschampsia cespitosa ssp. cespitosa Tufted hair grass, Tufted hairgrass

native
Perennial grass

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

native
Perennial grass

Deschampsia danthonioides Annual hairgrass

native
Annual grass

Deschampsia elongata Hairgrass, Slender hairgrass

native
Perennial grass

Descurainia pinnata ssp. menziesii Menzies' tansy mustard, Menzies' tansymustard, Menzies'western tansy mustard

native
Annual herb

Dicentra formosa Pacific bleeding heart, Pacific bleedinghearts

native
Perennial herb

Dichelostemma multiflorum Many flowered brodiaea, Manyflower brodiaea, Roundtooth snakelily

native
Perennial herb

Dichelostemma volubile Twining brodiaea, Twining snakelily

native
Perennial herb

Dichondra donelliana California ponysfoot, Dichondra

native
Perennial herb, Vine

Diplacus bolanderi Bolander's monkeyflower

native
Annual herb

Diplacus douglasii Purple mouse ears

native
Annual herb

Diplacus kelloggii Kellogg's monkeyflower

native
Annual herb

Diplacus rattanii Rattan's monkeyflower

native
Annual herb

Diplacus tricolor Tricolor monkeyflower

native
Annual herb

Dirca occidentalis Western leatherwood

• rare native
Shrub

THYMELAEACEAE

Downingia bella Hoover's calicoflower, Hoover's downingia

native
Annual herb

Downingia cuspidata Toothed calicoflower, Toothed downingia

native
Annual herb

Downingia insignis Harlequin calicoflower, Harlequin downingia

native
Annual herb

Downingia ornatissima var. eximia

native
Annual herb

Downingia pulchella Flatface calicoflower, Flatface downingia

native
Annual herb

Draba cuneifolia Wedge leaved draba, Wedgeleaf draba

native
Annual herb

Draba verna Spring draba, Whitlow grass, Whitlowgrass

non-native
Annual herb

Dudleya cymosa ssp. cymosa Canyon dudleya, Canyon liveforever

native
Perennial herb

Dudleya cymosa ssp. paniculata Canyon liveforever, Diablo range dudleya

native
Perennial herb

Dudleya farinosa Bluff lettuce, North coast dudleya, Powdery liveforever

native
Perennial herb

Eastwoodia elegans Eastwoodia, Yellow aster, Yellow mock aster

native
Shrub

Echinodorus berteroi Burhead, Upright burrhead

native
Perennial herb (aquatic)

ALISMATACEAE

Eclipta prostrata False daisy

native
Annual herb

Ehrendorferia chrysantha Golden eardrops

native
Perennial herb

Elatine brachysperma Short seed waterwort, Shortseed waterwort

native
Annual, Perennial herb

ELATINACEAE

Elatine californica California waterwort

native
Annual, Perennial herb

ELATINACEAE

Eleocharis acicularis var. acicularis Needle spike rush, Needle spikerush

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Eleocharis parvula Dwarf spikerush, Small spikerush

• rare native
Perennial grasslike herb

Eleocharis rostellata Beaked spikerush, Walking sedge

native
Perennial grasslike herb

Elymus elymoides var. elymoides Squirrel tail grass

native
Perennial grass

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

native
Perennial grass

Elymus multisetus Big squirreltail grass

native
Perennial grass

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

native
Perennial grass

Elymus trachycaulus ssp. trachycaulus Slender wheatgrass

native
Perennial grass

Elymus Xhansenii

native
Perennial grass

Elymus Xsaundersii

native
Perennial grass

Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells

native
Annual herb

Emmenanthe penduliflora var. penduliflora

Enemion occidentale WESTERN RUE-ANEMONE, Western false rue anemone

native
Perennial herb

Enemion stipitatum Siskiyou false rue anemone

native
Perennial herb

Ephedra californica California ephedra, California jointfir, Desert tea

native
Shrub

EPHEDRACEAE

Ephedra viridis Green ephedra, Mormon tea, Mountain ephedra

native
Shrub

EPHEDRACEAE

Epilobium campestre Smooth boisduvalia

native
Annual herb

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

native
Perennial herb

Epilobium cleistogamum Cleistogamous boisduvalia, Selfing willowherb

native
Annual herb

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

native
Annual herb

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

native
Annual herb

Epipactis gigantea Giant helleborine, Chatterbox orchid, Stream orchid

native
Perennial herb

Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush

native
Fern

EQUISETACEAE

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

native
Annual grass

Eremalche parryi ssp. parryi Parry's mallow

native
Annual herb

Eremothera boothii ssp. decorticans Shredding evening-primrose

native
Annual herb

Eriastrum abramsii Abrams' eriastrum, Abrams' woollystar

native
Annual herb

Eriastrum brandegeeae Brandegee's eriastrum

• rare native
Annual herb

Eriastrum pluriflorum ssp. pluriflorum Many-flowered eriastrum

native
Annual herb

Eriastrum sapphirinum Sapphire eriastrum, Sapphire woollystar

native
Annual herb

Ericameria arborescens Golden fleece, Goldenfleece

native
Shrub

Ericameria nauseosa var. mohavensis Mojave rabbitbrush

native
Shrub

Erigeron petrophilus var. petrophilus Cliff fleabane, Rockloving erigeron

native
Perennial herb

Erigeron philadelphicus var. philadelphicus Philadelphia fleabane

native
Perennial herb

Erigeron philadelphicus var. philadelphicus

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

native
Perennial herb

Eriogonum angulosum Angled stem buckwheat, Anglestem buckwheat

native
Annual herb

Eriogonum covilleanum Coville's buckwheat

native
Annual herb

Eriogonum deserticola Colorado desert buckwheat

native
Shrub

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

native
Shrub

Eriogonum fasciculatum var. polifolium California buckwheat, Eastern mojave buckwheat

native
Shrub

Eriogonum gracile var. gracile Slender buckwheat, Slender woolly buckwheat

native
Annual herb

Eriogonum inerme var. inerme Unarmed buckwheat

native
Annual herb

Eriogonum latifolium Coast buckwheat, Coast eriogonum, Seaside buckwheat

native
Perennial herb

Eriogonum luteolum var. caninum Tiburon buckwheat

• rare native
Annual herb

Eriogonum luteolum var. luteolum Golden buckwheat, Goldencarpet buckwheat

native
Annual herb

Eriogonum nudum var. auriculatum Naked buckwheat, Nude buckwheat

native
Shrub

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

native
Shrub

Eriogonum nudum var. psychicola Antioch dunes buckwheat

• rare native
Perennial herb

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

native
Annual herb

Eriogonum roseum Wand buckwheat

native
Annual herb

Eriogonum truncatum Mt. Diablo buckwheat

• rare native
Annual herb

Eriogonum umbellatum var. smallianum Sulphur buckwheat

native
Perennial herb

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

native
Perennial herb, Shrub

Eriophyllum jepsonii Jepson eriophyllum, Jepson's woolly sunflower

• rare native
Perennial herb

Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower

native
Perennial herb

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

native
Perennial herb

Eriophyllum wallacei Wallace eriophyllum, Wallace's woolly daisy

native
Annual herb

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

• rare native
Annual, Perennial herb

Eryngium armatum Coastal eryngo, Coyote thistle, Prickly coyote thistle

native
Perennial herb

Eryngium articulatum Beethistle, Coyote thistle

native
Perennial herb

Eryngium castrense Great valley button celery, Great valley eryngo

native
Perennial herb

Eryngium racemosum Delta button celery, Delta eryngo

• rare native
Annual, Perennial herb

Eryngium spinosepalum Spiny sepaled button celery, Spinysepal eryngo

• rare native
Annual, Perennial herb

Eryngium vaseyi var. vallicola Coyote thistle

native
Perennial herb

Erysimum capitatum var. angustatum Contra costa wallflower

• rare native
Perennial herb

Erysimum capitatum var. capitatum Sanddune wallflower

native
Perennial herb

Erythranthe androsacea Androsace monkeyflower

native
Annual herb

Erythranthe cardinalis Cardinal monkey flower

native
Perennial herb

Erythranthe floribunda Many flowered monkeyflower

native
Annual herb

Erythranthe latidens Broad toothed monkeyflower

native
Annual herb

Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy

native
Annual herb

Eschscholzia rhombipetala Diamond petaled california poppy, Diamondpetal california poppy

• rare native
Annual herb

Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed

native
Annual herb

Eucrypta chrysanthemifolia var. chrysanthemifolia

Euonymus occidentalis var. occidentalis Western burning bush

native
Tree, Shrub

CELASTRACEAE

Euphorbia ocellata ssp. ocellata Valley spurge

native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia serpillifolia Thyme-leafed spurge

native
Annual herb

EUPHORBIACEAE

Extriplex californica California orach

native
Perennial herb

Extriplex joaquinana San Joaquin spearscale

• rare native
Annual herb

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

Festuca octoflora Sixweeks grass

native
Annual grass

Festuca rubra Red fescue

native
Perennial grass

Forestiera pubescens Desert olive, Stretchberry

native
Shrub

OLEACEAE

Frangula californica ssp. tomentella Hoary coffeeberry

native
Shrub

Fraxinus dipetala California ash, Flowering ash, Foothill ash

native
Tree, Shrub

OLEACEAE

Fraxinus latifolia Oregon ash

native
Tree

OLEACEAE

Fremontodendron californicum California flannelbush, California fremontia, Flannel bush

native
Shrub

Fritillaria agrestis Stinkbells

• rare native
Perennial herb (bulb)

Fritillaria falcata Talus fritillary

• rare native
Perennial herb (bulb)

Fritillaria liliacea Fragrant fritillary

• rare native
Perennial herb (bulb)

Galium andrewsii ssp. gatense Serpentine bedstraw

• rare native
Perennial herb

Galium porrigens var. tenue Graceful bedstraw

native
Vine, Shrub

Galium trifidum ssp. columbianum Threepetal bedstraw

native
Perennial herb

Galium triflorum Fragrant bedstraw, Sweet bedstraw, Sweet scented bedstraw

native
Annual herb

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

Gaultheria shallon Salal

native
Shrub

Gilia achilleifolia ssp. achilleifolia California gilia

native
Annual herb

Gilia capitata ssp. capitata Blue field gilia, Bluehead gilia

native
Annual herb

Gilia capitata ssp. staminea Bluehead gilia, Globe gilia

native
Annual herb

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

native
Annual herb

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

native
Annual herb

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

native
Annual herb

Githopsis diffusa ssp. robusta San gabriel bluecup

native
Annual herb

Githopsis specularioides Common bluecup, Venus' looking glass

native
Annual herb

Glyceria leptostachya Davy mannagrass, Manna grass

native
Perennial grass (aquatic)

Glyceria Xoccidentalis Western manna grass

non-native
Perennial grass (aquatic)

Glycyrrhiza lepidota American licorice, Lichorice, Wild licorice

native
Perennial herb

Gratiola ebracteata Bractless hedge hyssop, Common hedge hyssop

native
Annual herb

Grindelia hirsutula Gumweed, Hairy gumweed

native
Perennial herb

Grindelia stricta var. angustifolia Marsh gumplant, Oregon gumweed

native
Perennial herb

Grindelia stricta var. platyphylla Gumplant, Gumweed, Oregon gumweed

native
Perennial herb

Pectocarya pusilla Little gruvelia

native
Annual herb

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

native
Perennial herb, Shrub

Helenium bigelovii Bigelow's sneezeweed, Sneezeweed

native
Perennial herb

Helianthella californica var. californica California helianthella

native
Perennial herb

Helianthella californica var. californica

Helianthella castanea Mt. diablo helianthella

• rare native
Perennial herb

Helianthus californicus California sunflower

native
Perennial herb

Helianthus gracilentus Slender sunflower

native
Perennial herb

Hemizonia congesta ssp. lutescens Hayfield tarweed

native
Annual herb

Hesperevax acaulis var. ambusticola Fire evax, Stemless dwarf cudweed

native
Annual herb

Hesperevax caulescens Dwarf dwarf cudweed, Hogwallow starfish

• rare native
Annual herb

Hesperocyparis sargentii Sargent cypress

native
Tree, Shrub

CUPRESSACEAE

Hesperolinon serpentinum Two carpellate western flax, Twocarpel dwarf flax

• rare native
Annual herb

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

• rare native
Annual herb

Hesperolinon californicum California western flax, California dwarf flax

native
Annual herb

Hesperolinon clevelandii Allen springs dwarf flax, Allen springs western flax

native
Annual herb

Hesperolinon disjunctum Coast range dwarf flax, Coast range western flax

native
Annual herb

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

native
Annual herb

Hesperomecon linearis Narrowleaf queen poppy

native
Annual herb

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

native
Annual herb

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

native
Perennial herb

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

native
Perennial herb

Heterotheca sessiliflora var. bolanderioides Golden aster, Sessileflower false goldenaster

native
Annual herb

Heterotheca sessiliflora var. bolanderioides

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

native
Perennial herb

Heuchera micrantha Alum root, Crevice alumroot

native
Perennial herb

Hibiscus lasiocarpos var. occidentalis Woolly rose-mallow

• rare native
Perennial herb

Hieracium albiflorum White flowered hawkweed, White hawkweed

native
Perennial herb

Hoita macrostachya California hemp, Large leather root

native
Perennial herb

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

native
Perennial herb

Hoita strobilina Loma prieta psoralea

• rare native
Perennial herb

Holocarpha macradenia Santa cruz tarplant

• rare native
Annual herb

Holocarpha obconica San joaquin tarweed

native
Annual herb

Holozonia filipes Greene's white crown, Holozonia, Whitecrown

native
Perennial herb

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 jubatum ssp. jubatum Foxtail barley, squirreltail barley

native
Perennial grass

Horkelia californica var. californica California horkelia

native
Perennial herb

Horkelia californica var. elata California horkelia

native
Perennial herb

Horkelia californica var. frondosa California horkelia

native
Perennial herb

Horkelia cuneata var. sericea Kellogg's horkelia

• rare native
Perennial herb

Hornungia procumbens Prostrate hutchinsia

non-native

Hosackia crassifolia var. crassifolia Broad leaved lotus

native
Perennial herb

Hosackia oblongifolia var. oblongifolia Narrow leaved lotus

native
Perennial herb

Hosackia stipularis var. stipularis Stipulate lotus

native
Perennial herb

Hydrocotyle ranunculoides Floating marsh pennywort, Floating marshpennywort, Marsh pennywort

native
Perennial herb

ARALIACEAE

Hydrocotyle verticillata Whorled marsh pennywort, Whorled marshpennywort

native
Perennial herb

ARALIACEAE

Hydrophyllum occidentale California waterleaf, Western waterleaf

native
Perennial herb

Hypericum scouleri Scouler's St John's wort

native
Perennial herb

HYPERICACEAE

Idahoa scapigera Oldstem idahoa

native
Annual herb

Iris douglasiana Douglas iris, Douglas' iris

native
Perennial herb

IRIDACEAE

Iris longipetala Central coast iris, Coast iris

• rare native
Perennial herb

IRIDACEAE

Isocoma arguta Carquinez goldenbush, Carquinez isocoma

• rare native
Shrub

Isoetes howellii Howell's quillwort, Quillwort

native

ISOETACEAE

Isolepis carinata Keeled bulrush

native
Annual grasslike herb

Isolepis cernua Low bulrush

native
Annual grasslike herb

Jaumea carnosa Fleshy jaumea, Marsh jaumea

native
Perennial herb

Juglans hindsii Northern california black walnut

• rare native
Tree

JUGLANDACEAE

Juncus ambiguus Saline toad rush, Seasice rush

native
Annual grasslike herb

Juncus articulatus ssp. articulatus Jointed rush

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Juncus dubius Dubius rush, Mariposa rush

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Juncus lescurii Dune rush

native
Perennial grasslike herb

Juncus mexicanus Mexican rush

native
Perennial grasslike herb

Juncus oxymeris Pointed rush

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush

native
Perennial grasslike herb

Juniperus californica California juniper

native
Shrub

CUPRESSACEAE

Keckiella breviflora var. breviflora Gaping keckiella, Gaping penstemon

native
Shrub

Keckiella corymbosa Red beardtongue, Redwood keckiella

native
Shrub

Koeleria macrantha June grass, Prairie junegrass

native
Perennial grass

Kopsiopsis strobilacea ground cone, groundcone , California ground-cone

native
Perennial herb (parasitic)

Laennecia coulteri Coulter's horseweed

native
Annual herb

Lastarriaea coriacea Leather spineflower

native
Annual herb

Lasthenia conjugens Contra costa goldfields

• rare native
Annual herb

Lasthenia ferrisiae Alkali goldfields, Ferris' goldfields

• rare native
Annual herb

Lasthenia fremontii Fremont's goldfields, Vernal pool goldfields

native
Annual, Perennial herb

Lasthenia glaberrima Smooth goldfields

native
Annual herb

Lasthenia glabrata ssp. glabrata Yellow rayed goldfields, Yellowray goldfields

native
Annual herb

Lasthenia maritima Maritime goldfields, Seaside goldfields

native
Annual herb

Lasthenia microglossa Small rayed goldfields, Smallray goldfields, Smallrayed lasthenia

native
Annual herb

Lasthenia minor Coastal goldfields, Smooth lasthenia, Woolly goldfields

native
Annual herb

Lasthenia platycarpha Alkali goldfields

native
Annual herb

Lathyrus jepsonii var. californicus California tule pea

native
Perennial herb

Lathyrus jepsonii var. jepsonii Delta tule pea

• rare native
Perennial herb

Layia chrysanthemoides Smooth tidy tips, Smooth tidytips

native
Annual herb

Layia gaillardioides Woodland layia, Woodland tidytips

native
Annual herb

Layia glandulosa White layia, White tidy tips, Whitedaisy tidytips

native
Annual herb

Layia hieracioides Hawkweed layia, Tall layia, Tall tidytips

native
Annual herb

Layia platyglossa Coastal tidytips

native
Annual herb

Leersia oryzoides Rice cutgrass

native
Perennial grass

Legenere limosa False venus' looking glass, Legenere

• rare native
Annual herb

Lepechinia calycina White pitcher sage, Woodbalm, pitcher sage

native
Shrub

Lepidium acutidens Net pepper grass

native
Annual, Perennial herb

Lepidium dictyotum Alkali pepperweed, Net pepper grass

native
Annual herb

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

native
Annual herb

Lepidium oblongum Veiny pepper grass, Veiny pepperweed, Wayside peppergrass

native
Annual herb

Lepidium oxycarpum Forked pepperweed, Sharp podded pepper grass

native
Annual herb

Lepidospartum squamatum California broomsage, California broomshrub, Scale broom

native
Shrub

Leptochloa fusca ssp. fascicularis Bearded sprangletop

native
Annual grass

Leptochloa fusca ssp. uninervia Mexican sprangletop

native
Annual grass

Leptosiphon ambiguus Serpentine leptosiphon

• rare native
Annual herb

Leptosiphon androsaceus False babystars

native
Annual herb

Leptosiphon acicularis Golden linanthus

• rare native
Annual herb

Leptosiphon bolanderi Bolander's linanthus

native
Annual herb

Leptosiphon ciliatus Whiskerbrush

native
Annual herb

Leptosiphon grandiflorus Large flowered leptosiphon

• rare native
Annual herb

Leptosiphon liniflorus Narrowflower flaxflower

native
Annual herb

Leptosiphon parviflorus Variable linanthus

native
Annual herb

Leptosiphon pygmaeus ssp. continentalis Pygmy linanthus

native
Annual herb

Leptosyne calliopsidea Leafy stemmed coreopsis

native
Annual herb

Leptosyne hamiltonii Mt. hamilton coreopsis

• rare native
Annual herb

Leptosyne stillmanii Stillman's coreopsis

native
Annual herb

Lessingia hololeuca Woolly headed lessingia, Woollyhead lessingia

• rare native
Annual herb

Lessingia nana Dwarf lessingia, Little lessingia

native
Annual herb

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

native
Annual herb

Lessingia pectinata var. tenuipes Sticky lessingia

native
Annual herb

Lessingia tenuis Spring lessingia

• rare native
Annual herb

Lewisia rediviva var. rediviva Bitter root

native
Perennial herb

Ligusticum apiifolium Celery leaved lovage, Celeryleaf licorice root, Lovage

native
Perennial herb

Lilaeopsis masonii Mason's lilaeopsis, Mudflat quillplant

• rare native
Perennial herb

Lilium pardalinum ssp. pardalinum Leopard lily

native
Perennial herb

Limnanthes douglasii ssp. douglasii Douglas' meadowfoam

native
Annual herb

LIMNANTHACEAE

Limnanthes douglasii ssp. nivea Snow white meadowfoam

native
Annual herb

LIMNANTHACEAE

Limnanthes douglasii ssp. rosea Rosy douglas' meadowfoam

native
Annual herb

LIMNANTHACEAE

Limonium californicum California sealavender, Marsh rosemary, Sea lavender

native
Perennial herb

PLUMBAGINACEAE

Limosella acaulis Broad leaved mudwort, Owyhee mudwort, Southern mudwort

native
Annual herb

SCROPHULARIACEAE

Limosella aquatica Northern mudwort, Water mudwort

native
Annual herb (aquatic)

SCROPHULARIACEAE

Linanthus dichotomus ssp. dichotomus Evening snow

native
Annual herb

Linanthus dichotomus ssp. meridianus Evening snow

native
Annual herb

Linum lewisii Blue flax, Lewis' flax, Prairie flax

native
Perennial herb

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

native
Perennial herb

Lithophragma cymbalaria Mission star, Mission woodland star

native
Perennial herb

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

native
Perennial herb

Lithophragma parviflorum var. parviflorum

Lomatium californicum California lomatium, Celery weed

native
Perennial herb

Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium

native
Perennial herb

Lomatium nudicaule Barestem biscuitroot, Pestle lomatium, Pestle parsnip

native
Perennial herb

Lonicera involucrata var. ledebourii Coast twinberry, Twinberry honeysuckle

native
Shrub

CAPRIFOLIACEAE

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

native
Shrub

CAPRIFOLIACEAE

Ludwigia hexapetala Ludwigia, Six petal water primrose

• invasive non-native
Perennial herb

Ludwigia palustris Marsh purslane, Marsh seedbox

native
Perennial herb (aquatic)

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

native
Perennial herb

Lupinus affinis Fleshy lupine

native
Annual herb

Lupinus arboreus Coastal bush lupine, Yellow bush lupine

native
Shrub

Lupinus benthamii Bentham lupine, Spider lupine

native
Annual herb

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

native
Shrub

Lupinus concinnus Bajada lupine, Elegant lupine, Scarlet lupine

native
Annual herb

Lupinus variicolor

native
Shrub

Lupinus luteolus Butter lupine, Pale yellow lupine

native
Annual herb

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

native
Annual herb

Lycopus americanus American water horehound, Bugleweed

native
Perennial herb

Lycopus asper Rough bugleweed

native
Perennial herb

Lysimachia latifolia Pacific starflower

native
Perennial herb

MYRSINACEAE

Lysimachia maritima Sea milkwort

native
Perennial herb

MYRSINACEAE

Lysimachia minima Chaffweed

native
Annual herb

MYRSINACEAE

Lythrum californicum California loosestrife, Common loosestrife

native
Perennial herb

LYTHRACEAE

Madia anomala Plump seeded madia, Plumpseeded madia, Tarweed

native
Annual herb

Madia elegans Common madia

native
Annual herb

Madia radiata Golden madia, Showy madia

• rare native
Annual herb

Malacothamnus hallii Eastern bewildering bushmallow

native
Shrub

Malacothamnus fremontii Unfurled bushmallow

native
Shrub

Malacothrix californica California dandelion, Desert dandelion

native
Annual herb

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

native
Annual herb

Malacothrix coulteri Snake's head

native
Annual herb

Malacothrix floccifera Woolly dandelion, Woolly desertdandelion, Woolly malacothrix

native
Annual herb

Marah oregana Coast man-root

native
Perennial herb, Vine

CUCURBITACEAE

Matricaria occidentalis Valley mayweed

native
Annual herb

Meconella californica California fairypoppy, California meconella

native
Annual herb

Meconella oregana White fairypoppy

• rare native
Annual herb

Melica bulbosa Big oniongrass

native
Perennial grass

Melica californica California melicgrass

native
Perennial grass

Mentha arvensis American wild mint, Field mint, Marsh mint

native
Perennial herb

Mentzelia affinis Yellow blazing star, Yellow comet, Yellowcomet

native
Annual herb

Mentzelia dispersa Bushy blazingstar, Nada stickleaf, Scattered blazing star

native
Annual herb

Mentzelia laevicaulis Blazing star, Giant blazingstar, Smooth stem blazing star

native
Perennial herb

Mentzelia lindleyi Lindley's blazing star, Lindley's blazingstar

native
Annual herb

Mentzelia micrantha Chaparral blazing star, San Luis blazingstar, San Luis stick leaf

native
Annual herb

Mentzelia pectinata San joaquin blazing star, San joaquin blazingstar

native
Annual herb

Micropus amphibolus Mount diablo cottonseed, Mt. diablo cottonweed

• rare native
Annual herb

Micropus californicus var. subvestitus Hairy slender cottonweed, Q tips

native
Annual herb

Microseris acuminata Needle microseris, Sierra foothill silverpuffs, Sierra foothills microseris

native
Annual herb

Microseris bigelovii Coast microseris, Coastal silverpuffs

native
Annual herb

Microseris campestris San joaquin microseris, San joaquin silverpuffs

native
Annual herb

Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris

native
Annual herb

Microseris elegans Elegant silverpuffs

native
Annual herb

Microseris sylvatica Sylvan scorzonella

• rare native
Perennial herb

Mimetanthe pilosa Snouted monkey flower

native
Annual herb

Mirabilis laevis var. crassifolia California four o'clock

native
Perennial herb

NYCTAGINACEAE

Moehringia macrophylla Large leaved sandwort, Largeleaf sandwort

native
Perennial herb

Monardella breweri ssp. breweri Brewer's monardella

native
Annual herb

Monardella douglasii Douglas' monardella

native
Annual herb

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

native
Perennial herb

Monolepis nuttalliana Nuttall's poverty weed, Nuttall's povertyweed

native
Annual herb

Monolopia gracilens Woodland monolopia

• rare native
Annual herb

Monolopia lanceolata Common monolopia

native
Annual herb

Monolopia major Cupped monolopia

native
Annual herb

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

Morella californica California wax myrtle

native
Tree, Shrub

MYRICACEAE

Muilla maritima Common muilla, Sea muilla

native
Perennial herb

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

native
Annual herb

Myosurus minimus ssp. apus Little mouse tail

• rare native
Annual herb

Myosurus sessilis Tiny mouse tail, Vernal pool mousetail

native
Annual herb

Myriopteris covillei Coville's lip fern

native
Fern

Myriopteris gracillima Lace lip fern

native
Fern

Myriopteris intertexta Coastal lip fern

native
Fern

Navarretia atractyloides Holly leaf navarretia, Hollyleaf pincushionplant

native
Annual herb

Navarretia cotulifolia Broad leaved navarretia, Cotulaleaf pincushionplant

• rare native
Annual herb

Navarretia gowenii Lime ridge navarretia

• rare native
Perennial herb

Navarretia hamata ssp. parviloba Hooked navarretia, Small lobe navarretia

native
Annual herb

Navarretia heterandra Tehama navarretia, Tehama pincushionplant

• rare native
Annual herb

Navarretia intertexta Interwoven navarretia, Needle leaved navarretia, Needleleaf navarretia

native
Annual herb

Navarretia mellita Honeyscented pincushionplant, Skunk navarretia

native
Annual herb

Navarretia nigelliformis ssp. nigelliformis Adobe navarretia

• rare native
Annual herb

Navarretia nigelliformis ssp. nigelliformis

Navarretia nigelliformis ssp. radians Adobe navarretia, Shining navarretia

• rare native
Annual herb

Navarretia prostrata Prostrate navarretia, Prostrate pincushionplant

• rare native
Annual herb

Navarretia pubescens Downy pincushionplant, Purple navarretia

native
Annual herb

Navarretia tagetina Marigold navarretia, Marigold pincushionplant, Navarretia

native
Annual herb

Navarretia viscidula Sticky navarretia, Sticky pincushionplant

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

Nicotiana attenuata Coyote tobacco

native
Annual herb

Nicotiana quadrivalvis Indian tobacco

native
Annual herb

Nitrophila occidentalis Boraxweed, Western nitrophila

native
Perennial herb

Nuttallanthus texanus Blue toadflax

native
Annual, Perennial herb

Oenothera deltoides ssp. cognata Birdcage evening primrose, Desert lantern

native
Annual herb

Oenothera deltoides ssp. howellii Antioch dunes evening primrose

• rare native
Perennial herb

Oenothera elata ssp. hookeri Common evening primrose, Evening primrose, Hooker's evening primrose

native
Perennial herb

Osmorhiza brachypoda California sweet cicely, California sweetcicely

native
Perennial herb

Oxalis oregana Redwood sorrel

native
Perennial herb

OXALIDACEAE

Oxalis pilosa Hairy wood sorrel

native
Annual herb

OXALIDACEAE

Packera breweri Brewer's ragwort

native
Perennial herb

Panicum capillare Old witch grass, Witchgrass, Witch grass

native
Annual grass

Papaver californicum Fire poppy, Western poppy

native
Annual herb

Parietaria hespera var. californica California pellitory

native
Annual herb

URTICACEAE

Pectocarya penicillata Sleeping combseed, Winged comb seed, Winged pectocarya

native
Annual herb

Pediomelum californicum California indian breadroot

native
Perennial herb

Pellaea mucronata var. mucronata Bird's foot fern

native
Fern

Penstemon centranthifolius Scarlet bugler

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

Pentachaeta alsinoides Tiny pygmy daisy, Tiny pygmydaisy

native
Annual herb

Pentachaeta exilis ssp. exilis Meager pygmydaisy, Slender pentachaeta

native
Annual herb

Perideridia californica California yampah

native
Perennial herb

Perideridia gairdneri ssp. gairdneri Gairdner's yampah

• rare native
Perennial herb

Perideridia oregana Oregon yampah

native
Perennial herb

Persicaria hydropiperoides Water pepper

native
Perennial herb

Persicaria lapathifolia Common knotweed

native
Annual herb

Persicaria punctata Dotted smartweed

native
Perennial herb

Petasites frigidus var. palmatus Arctic sweet coltsfoot, Western coltsfoot

native
Perennial herb

Petunia parviflora Wild petunia

native
Annual herb

Phacelia breweri Brewer's phacelia

native
Annual herb

Phacelia ciliata Great valley phacelia

native
Annual herb

Phacelia divaricata Divaricate phacelia

native
Annual herb

Phacelia douglasii Douglas' phacelia

native
Annual herb

Phacelia egena Kaweah river phacelia, Rock phacelia

native
Perennial herb

Phacelia malvifolia Stinging phacelia

native
Annual herb

Phacelia nemoralis var. nemoralis Woods phacelia

native
Perennial herb

Phacelia phacelioides Mt. Diablo phacelia

• rare native
Annual herb

Phacelia ramosissima Branching phacelia

native
Perennial herb

Phacelia rattanii Rattan's phacelia

native
Annual herb

Phacelia suaveolens Sweet scented phacelia, Sweetscented phacelia

native
Annual herb

Phacelia tanacetifolia Lacy phacelia, Tansy leafed phacelia

native
Annual herb

Phalaris angusta Timothy canarygrass

native
Annual grass

Phalaris arundinacea Reed canarygrass

native
Perennial grass

Phalaris californica California canarygrass, Canarygrass

native
Perennial grass

Phalaris lemmonii Lemmon's canarygrass

native
Annual grass

Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower

native
Annual herb

Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe

native
Shrub (parasitic)

VISCACEAE

Phoradendron leucarpum ssp. macrophyllum

Phragmites australis Common reed

native
Perennial grass

Phyla lanceolata Lance leaf lippia, Lanceleaf fogfruit

native
Perennial herb

VERBENACEAE

Phyla nodiflora Common lippia, Lippia, Turkey tangle frogfruit

native
Perennial herb

VERBENACEAE

Physocarpus capitatus Ninebark, Pacific ninebark, Western ninebark

native
Shrub

Pickeringia montana var. montana Montana chaparral pea

native
Shrub

Pilularia americana American pillwort

native
Fern

MARSILEACEAE

Pinus attenuata Knobcone pine, Scrub pine

native
Tree

PINACEAE

Pinus coulteri Big cone pine, Bull pine, Coulter pine

native
Tree

PINACEAE

Piperia elegans ssp. elegans Elegant piperia

native
Perennial herb

Piperia elongata Dense flowered rein orchid, Denseflower rein orchid

native
Perennial herb

Piperia michaelii Michael's piperia, Michael's rein orchid

• rare native
Perennial herb

Piperia transversa Mountain piperia, Royal rein orchid, Flat Spurred Piperia

native
Perennial herb

Piperia unalascensis Alaska piperia, Alaska rein orchid, Rein orchid

native
Perennial herb

Plagiobothrys acanthocarpus Adobe allocarya, Adobe popcornflower

native
Annual herb

Plagiobothrys canescens var. canescens Valley popcornflower

native
Annual herb

Plagiobothrys chorisianus var. chorisianus Artist's popcornflower, Choris's popcorn flower

• rare native
Annual herb

Plagiobothrys chorisianus var. chorisianus

Plagiobothrys diffusus San francisco popcorn flower

• rare native
Annual herb

Plagiobothrys fulvus var. campestris Common popcorn flower, Fulvous popcornflower, Tawny popcorn flower

native
Annual herb

Plagiobothrys glaber Hairless popcorn flower, Hairless popcornflower

• rare native
Annual herb

Plagiobothrys humistratus Dwarf allocarya, Dwarf popcornflower

native
Annual herb

Plagiobothrys infectivus Dye popcorn flower, Dye popcornflower

native
Annual herb

Plagiobothrys leptocladus Alkali plagiobothrys, Finebranched popcornflower

native
Annual herb

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 trachycarpus Rough fruited allocarya, Roughfruit popcornflower

native
Annual herb

Plagiobothrys undulatus Coast allocarya

native
Annual herb

Plantago elongata Annual coast plantago, Coastal plantain, Long leaf plantain

native
Annual herb

Plantago maritima Alkali plantain, Goose tongue, Maritime plantain

native
Perennial herb

Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain

native
Perennial herb

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

native
Perennial herb

Platanus racemosa California sycamore, Western sycamore

native
Tree

PLATANACEAE

Plectritis ciliosa Long spurred plectritis, Longspur seablush

native
Annual herb

VALERIANACEAE

Plectritis congesta ssp. brachystemon Shortspur seablush

native
Annual herb

VALERIANACEAE

Plectritis congesta ssp. congesta Sea blush

native
Annual herb

VALERIANACEAE

Pleuropogon californicus var. californicus Annual semaphoregrass

native
Perennial grass (rhizomatous)

Pleuropogon californicus var. californicus

Pluchea odorata var. odorata Salt marsh fleabane

native
Annual, Perennial herb

Poa douglasii Douglas bluegrass, Douglas' bluegrass, Maritime bluegrass

native
Perennial grass

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

native
Annual grass

Pogogyne douglasii Douglas' mesamint, Douglas' pogogyne

native
Annual herb

Pogogyne zizyphoroides Sacramento mesamint, Sacramento mint, Sacramento pogogyne

native
Annual herb

Polemonium carneum Great polemonium, Royal jacob's ladder, Royal sky pilot

• rare native
Perennial herb

Polypodium scouleri Leather fern, Leather leaf fern, Leathery polypody

native
Fern

POLYPODIACEAE

Polystichum californicum California sword fern, California swordfern

native
Fern

DRYOPTERIDACEAE

Polystichum imbricans ssp. imbricans Narrowleaf swordfern, Rock sword fern

native
Fern

DRYOPTERIDACEAE

Populus trichocarpa Black cottonwood

native
Tree

Potamogeton zosteriformis Eel grass pondweed, Flatstem pondweed

• rare native
Annual herb (aquatic)

POTAMOGETONACEAE

Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed

native
Perennial herb

Primula clevelandii var. gracilis Padre's shooting star

native
Perennial herb

PRIMULACEAE

Primula clevelandii var. patula Padre's shooting star

native
Perennial herb

PRIMULACEAE

Prosartes hookeri Drops of gold

native
Perennial herb

Prosartes smithii Largeflower fairybells

native
Perennial herb

Prunella vulgaris var. lanceolata Lance leaf self heal, Mountain selfheal

native
Perennial herb

Prunus emarginata Bitter cherry

native
Tree, Shrub

Prunus ilicifolia ssp. ilicifolia Holly leaf cherry, Hollyleaf cherry

native
Tree, Shrub

Prunus subcordata Klamath plum, Sierra plum

native
Tree, Shrub

Pseudognaphalium beneolens Cudweed

native
Perennial herb

Pseudognaphalium biolettii Two-color rabbit-tobacco

native
Perennial herb

Pseudognaphalium microcephalum Wright's cudweed

native
Perennial herb

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

native
Annual herb

Psilocarphus brevissimus var. brevissimus

Psilocarphus brevissimus var. multiflorus Delta woolly marbles, Dwarf woollyheads

• rare native
Annual herb

Psilocarphus brevissimus var. multiflorus

Psilocarphus chilensis Round woolly marbles

native
Annual herb

Psilocarphus oregonus Oregon woolly marbles, Oregon woollyheads, Woolly marbles

native
Annual herb

Ptelea crenulata California hoptree, Hop tree, Western hoptree

native
Tree, Shrub

RUTACEAE

Puccinellia nutkaensis Alaska alkali grass, Nootka alkaligrass

native
Perennial grass

Puccinellia nuttalliana Nuttall's alkali grass, Nuttall's alkaligrass

native
Perennial grass

Puccinellia simplex California alkaligrass

• rare native
Annual grass

Pyrrocoma racemosa var. racemosa Clustered goldenweed, Racemose pyrrocoma

native
Perennial herb

Quercus agrifolia California live oak, Coast live oak

native
Tree

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 Garry's oak, Oregon oak, garry oak, Oregon white oak

native
Tree

Quercus garryana var. garryana Oregon oak, Oregon white oak

native
Tree

Quercus lobata California white oak, Valley oak

native
Tree

Quercus palmeri Desert oak, Palmer's oak, Scrub oak

native
Shrub

Quercus parvula var. shrevei Shreve oak, Shreve's oak

native
Tree

Quercus wislizeni var. frutescens Bush interior live oak, Chaparral oak, Live oak

native
Tree, Shrub

Quercus Xeplingii

native
Shrub, Tree

Quercus Xjolonensis

native
Shrub, Tree

Rafinesquia californica California chicory, California plumseed

native
Annual herb

Ranunculus canus var. canus Hartweg's buttercup

native
Perennial herb

Ranunculus lobbii Buttercup, Lobb's aquatic buttercup, Lobb's buttercup

• rare native
Annual herb (aquatic)

Ranunculus occidentalis var. occidentalis Western buttercup

native
Perennial herb

Ranunculus occidentalis var. occidentalis

Ranunculus orthorhynchus var. bloomeri Bloomer's beaked buttercup, Bloomer's buttercup

native
Perennial herb

Ranunculus orthorhynchus var. orthorhynchus Straight beaked buttercup, Straightbeak buttercup

native
Perennial herb

Ranunculus orthorhynchus var. orthorhynchus

Rhamnus crocea Redberry buckthorn

native
Shrub

Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry

native
Shrub

Polygala californica California Milkwort

native
Perennial herb

POLYGALACEAE

Rhus aromatica Fragrant sumac, Skunk Bush

native
Shrub

ANACARDIACEAE

Ribes amarum Bitter gooseberry

native
Shrub

Ribes aureum var. gracillimum Golden currant

native
Shrub

Ribes divaricatum var. pubiflorum Spreading gooseberry, Straggly gooseberry

native
Shrub

Ribes malvaceum var. malvaceum Chaparral currant

native
Shrub

Ribes quercetorum Foothill gooseberry, Oak gooseberry, Rock gooseberry

native
Shrub

Ribes sanguineum var. glutinosum Blood currant, Flowering currant, Pink flowering currant

native
Shrub

Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry

native
Shrub

Rigiopappus leptocladus Rigiopappus, Wire weed, Wireweed

native
Annual herb

Romanzoffia californica California romanzoffia

native
Perennial herb

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

native
Annual, Perennial herb

Rorippa palustris ssp. palustris Bog yellowcress

native
Annual, Perennial herb

Rosa nutkana ssp. nutkana Nootka rose

native
Shrub

Rosa spithamea Ground rose, Sonoma rose

native
Shrub

Rubus spectabilis Salmon berry, Salmonberry

native
Shrub

Rumex californicus California dock

native
Perennial herb

Rumex crassus Willow leaved dock

native
Perennial herb

Rumex fueginus Golden dock

native
Annual, Perennial herb

Rumex occidentalis Western dock

native
Perennial herb

Rumex salicifolius Willow dock, Willow leaved dock

native
Perennial herb

Rumex transitorius Willow dock

native
Perennial herb

Minuartia californica California Sandwort

native
Annual herb

Minuartia douglasii Douglas' Stitchwort

native
Annual herb

Minuartia pusilla Annual Sandwort

native
Annual herb

Sagina decumbens ssp. occidentalis Western pearlwort

native
Annual herb

Sagittaria latifolia Broad leaf arrowhead, Broadleaf arrowhead, Wappato

native
Perennial herb (aquatic)

ALISMATACEAE

Salix breweri Brewer's willow, Serpentine willow

native
Shrub

Salix gooddingii Goodding's black willow, Goodding's willow, Gooding's willow

native
Tree

Salix melanopsis Dusky willow

native
Tree, Shrub

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

native
Tree, Shrub

Salvia carduacea Thistle sage

native
Annual herb

Salvia columbariae Chia sage

native
Annual herb

Salvia spathacea Hummingbird sage

native
Perennial herb

Sambucus racemosa var. racemosa Pacific red elderberry

native
Shrub

VIBURNACEAE

Samolus parviflorus Water pimpernel

native
Perennial herb

THEOPHRASTACEAE

Sanicula arctopoides Footsteps of spring, Yellow mats

native
Perennial herb

Sanicula laciniata Coast sanicle, Coastal blacksnakeroot

native
Perennial herb

Sanicula maritima Adobe sanicle, Adobe snakeroot

• rare native
Perennial herb

Sanicula saxatilis Devil's blacksnakeroot, Diablo sanicle, Rock sanicle

• rare native
Perennial herb

Sanicula tuberosa Tuberous sanicle, Turkey pea

native
Perennial herb

Scirpus microcarpus Panicled bulrush, Small fruited bulrush

native
Perennial grasslike herb

Scoliopus bigelovii California fetid adder's tongue, Slink pod

native
Perennial herb

Scribneria bolanderi Scribner's grass, Scribneria

native
Annual grass

Scutellaria californica California skullcap

native
Perennial herb

Scutellaria galericulata Marsh skullcap

• rare native
Perennial herb (rhizomatous)

Scutellaria lateriflora Blue skullcap, Mad dog skullcap

• rare 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

Sedella pentandra Mt. Hamilton mock stonecrop

native
Annual herb

Sedum radiatum Coast range stonecrop

native
Annual herb

Sedum spathulifolium Broadleaf stonecrop, Pacific stonecrop, Stone crop

native
Perennial herb

Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy 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

Senecio flaccidus var. douglasii Bush groundsel, Bush senecio, Douglas' groundsel

native
Shrub

Senecio hydrophilus Alkali marsh ragwort, Water groundsel, Water ragwort

native
Perennial herb

Sequoia sempervirens Coast redwood

native
Tree

CUPRESSACEAE

Sesuvium verrucosum Verrucose seapurslane, Western sea purslane

native
Perennial herb

AIZOACEAE

Setaria parviflora Marsh bristlegrass

native
Perennial grass

Sidalcea diploscypha Fringed checker mallow, Fringed checkerbloom, Fringed sidalcea

native
Annual herb

Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow

native
Perennial herb (rhizomatous)

Sidalcea malviflora ssp. malviflora Checker mallow, Dwarf checkerbloom

native
Perennial herb (rhizomatous)

Silene antirrhina Sleepy catch fly, Sleepy catchfly, Sleepy silene

native
Annual herb

Silene laciniata ssp. californica California indian pink

native
Perennial herb

Silene verecunda Dolores campion, San Francisco campion

native
Perennial herb

Sisyrinchium californicum California golden eyed grass, Golden blue eyed grass, Yellow eyed grass

native
Perennial herb

IRIDACEAE

Sium suave Hemlock water parsnip, Hemlock waterparsnip

native
Perennial herb

Solanum xanti Chaparral nightshade, Nightshade, Purple nightshade

native
Perennial herb, Shrub

Sparganium eurycarpum var. eurycarpum Broadfruit bur reed

native
Perennial herb

TYPHACEAE

Sparganium eurycarpum var. greenei Bur reed

native
Perennial herb

TYPHACEAE

Spartina foliosa California cord grass, California cordgrass, Pacific cordgrass

native
Perennial grass

Spergularia macrotheca var. leucantha Sticky sandspurry, White sticky sand spurry

native
Perennial herb

Spergularia macrotheca var. longistyla Long styled sand spurrey, Sticky sandspurry

• rare native
Perennial herb

Spergularia macrotheca var. macrotheca Sand spurrey, Sticky sand spurry, Sticky sandspurry

native
Perennial herb

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

Sporobolus airoides Alkali sacaton

native
Perennial grass

Stachys ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle

native
Perennial herb

Stachys albens Cobwebby hedge nettle, White hedge nettle, Whitestem hedgenettle

native
Perennial herb

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

native
Perennial herb

Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle

native
Perennial herb

Stebbinsoseris heterocarpa Grassland stebbinsoseris

native
Annual herb

Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed

native
Annual herb

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

native
Annual herb

Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria, Wand stephanomeria, Wand wirelettuce

native
Annual herb

Stipa cernua Nodding needle grass

native
Perennial grass

Stipa lemmonii var. lemmonii Lemmon's needle grass

native
Perennial grass

Stipa lepida Foothill needle grass

native
Perennial grass

Stipa pulchra Purple needle grass

native
Perennial grass

Streptanthus albidus ssp. peramoenus Most beautiful jewel flower, Most beautiful jewelflower

• rare native
Annual herb

Streptanthus breweri Brewer's jewelflower

native
Annual herb

Streptanthus glandulosus ssp. glandulosus Bristly jewelflower

native
Annual herb

Streptanthus glandulosus ssp. glandulosus

Streptanthus hispidus Mt. diablo jewel flower, Mt. diablo jewelflower

• rare native
Annual herb

Stuckenia filiformis ssp. alpina Fineleaf pondweed

• rare native
Perennial herb

POTAMOGETONACEAE

Stylocline gnaphaloides Everlasting nest straw, Everlasting stylocline, Mountain neststraw

native
Annual herb

Suaeda californica California seablite

• rare native
Shrub

Suaeda nigra Bush seepweed

native
Perennial herb

Symphyotrichum frondosum Short rayed alkali aster

native
Annual herb

Symphyotrichum lanceolatum var. hesperium Western lance leaf aster

native
Perennial herb

Symphyotrichum lanceolatum var. hesperium

Symphyotrichum lentum Suisun marsh aster

• rare native
Perennial herb (rhizomatous)

Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster

native
Perennial herb

Symphyotrichum subulatum var. parviflorum

Taraxia ovata Sun cup, Goldeneggs

native
Perennial herb

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

native
Perennial herb

Tellima grandiflora Bigflower tellima, Fringe cups

native
Perennial herb

Tetrapteron graciliflorum Hill sun cup

native
Annual herb

Thermopsis californica var. californica California goldenbanner

native
Perennial herb (rhizomatous)

Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod

native
Annual herb

Thysanocarpus radians Fringe pod, Ribbed fringepod, Showy fringe pod

native
Annual herb

Tolmiea diplomenziesii

native
Perennial herb

Tonella tenella Lesser baby innocence, Small flowered tonella

native
Annual herb

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

native
Perennial grass (rhizomatous)

Toxicoscordion paniculatum Foothill deathcamas

native
Perennial herb

MELANTHIACEAE

Toxicoscordion venenosum var. venenosum Meadow deathcamas

native
Perennial herb

MELANTHIACEAE

Trianthema portulacastrum Desert horsepurslane, Horse purslane, Lowland purslane

native
Annual herb

AIZOACEAE

Trifolium albopurpureum Indian clover, Rancheria clover

native
Annual herb

Trifolium barbigerum Bearded clover

native
Annual herb

Trifolium bifidum var. bifidum Pinole clover

native
Annual herb

Trifolium olivaceum Olive clover

native
Annual herb

Trifolium depauperatum var. depauperatum Cowbag clover, Dwarf bladder clover, Dwarf sack clover

native
Annual herb

Trifolium depauperatum var. depauperatum

Trifolium dichotomum Branched indian clover

native
Annual herb

Trifolium fucatum Bull clover, Sour clover

native
Annual herb

Trifolium grayi Gray's clover

native
Annual herb

Trifolium hydrophilum Saline clover

• rare native
Annual herb

Trifolium macraei Chilean clover, Macrae's clover

native
Annual herb

Trifolium obtusiflorum Clammy clover, Creek clover

native
Annual herb

Trifolium oliganthum Few flowered clover, Fewflower clover, Minitomcat clover

native
Annual herb

Trifolium wormskioldii Coast clover, Cow clover, Cows clover

native
Perennial herb

Triglochin concinna var. concinna Arrow grass

native
Perennial herb (aquatic)

Triglochin maritima Arrowgrass, Seaside arrow grass, Seaside arrowgrass

native
Perennial herb (aquatic)

Triglochin scilloides Flowering-quillwort

native
Annual herb (aquatic)

Triglochin striata Three ribbed arrow grass, Threerib arrowgrass

native
Perennial herb (aquatic)

Trillium ovatum ssp. ovatum Pacific trillium, Western wakerobin

native
Perennial herb

MELANTHIACEAE

Triodanis biflora Venus looking glass, Venus' looking glass

native
Annual herb

Triphysaria versicolor ssp. faucibarbata Yellow owl's clover, Yellowbeak owl's clover

native
Annual herb

Triphysaria versicolor ssp. faucibarbata

Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum

native
Perennial grass

Triteleia peduncularis Long ray brodiaea, Long rayed brodiaea, Marsh triteleia

native
Perennial herb

Tropidocarpum capparideum Caper fruited tropidocarpum, Caperfruit tropidocarpum

• rare native
Annual herb

Tropidocarpum gracile Dobie pod, Slender keel fruit, Slender tropidocarpum

native
Annual herb

Turritis glabra Tower rockcress

native
Perennial herb

Vaccinium ovatum California huckleberry, Evergreen huckleberry

native
Shrub

Vancouveria planipetala Inside out flower, Redwood insideout flower, Redwood ivy

native
Perennial herb

Verbena hastata Blue vervain, Swamp verbena

native
Perennial herb

VERBENACEAE

Veronica americana American brooklime, American speedwell, Brooklime

native
Perennial herb

Viburnum ellipticum Common viburnum, Viburnum

• rare native
Shrub

VIBURNACEAE

Vicia gigantea Giant vetch

native
Perennial herb

Vicia hassei Hasse's vetch

native
Vine

Viola adunca ssp. adunca Blue violet, Western dog 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 pedunculata California golden violet, Johnny jump up

native
Perennial herb

Viola purpurea ssp. purpurea Goosefoot violet, Mountain Violet

native
Perennial herb

Viola purpurea ssp. quercetorum Goosefoot violet, Goosefoot yellow violet

native
Perennial herb

Viola sempervirens Evergreen violet, Redwood violet

native
Perennial herb

Viola sheltonii Shelton's violet

native
Perennial herb

Wolffia brasiliensis Brazilian watermeal, South American water meal

• rare native
Perennial herb

ARACEAE

Wyethia glabra Coast range mule ears, Shining mule ears, Smooth mule ears

native
Perennial herb

Yabea microcarpa California hedge parsley, False carrot

native
Annual herb