San Francisco Peninsula Watershed Illustrated Plant List

Acacia dealbata Silver wattle

• invasive non-native
Tree, Shrub

Acacia decurrens Black wattle, Green wattle, Wattle

non-native
Tree

Acacia melanoxylon Blackwood acacia

• invasive non-native
Tree

Acacia pycnantha Golden wattle

• invasive non-native
Tree, Shrub

Acacia saligna Orange wattle

non-native
Tree, Shrub

Acaena pinnatifida var. californica California sheepburr

native
Perennial herb

Acer macrophyllum Big leaf maple, Bigleaf maple

native
Tree

SAPINDACEAE

Acer negundo Boxelder

native
Tree

SAPINDACEAE

Achillea millefolium Common yarrow

native
Perennial herb

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

native
Annual herb

Acmispon brachycarpus hill lotus

native
Annual herb

Acmispon cytisoides Bentham's deerweed

native
Perennial herb

Acmispon glaber var. glaber Deerweed

native
Perennial herb

Acmispon heermannii

native
Perennial herb

Acmispon parviflorus Hill lotus

native
Annual herb

Acmispon wrangelianus Wrangel lotus

native
Annual herb

Actaea rubra baneberry, Western baneberry

native
Perennial herb

Adenocaulon bicolor American trailplant, Trail plant

native
Perennial herb

Adenostoma fasciculatum var. fasciculatum Chamise

native
Tree, Shrub

Adenostoma fasciculatum var. fasciculatum

Adiantum aleuticum Five finger fern

native
Fern

Adiantum jordanii Adiantum, maiden hair fern

native
Fern

Aesculus californica Buckeye, California buckeye, California horse chestnut

native
Tree

SAPINDACEAE

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

native
Perennial herb

Agoseris grandiflora var. grandiflora Giant mountain dandelion

native
Perennial herb

Agoseris heterophylla Annual agoseris, Annual mountain dandelion

native
Annual herb

Agoseris hirsuta Woolly goat chicory

native
Perennial herb

Agrostis avenacea Pacific bentgrass

• invasive non-native
Perennial grass

Agrostis exarata Spike bentgrass, Spike redtop

native
Perennial grass

Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass

• invasive non-native
Annual grass

Alisma triviale Northern water plantain

native
Perennial herb (aquatic)

ALISMATACEAE

Allium amplectens Narrow leaved onion, Narrowleaf onion

native
Perennial herb (bulb)

Allium dichlamydeum Coast onion, Coastal onion

native
Perennial herb (bulb)

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

• rare native
Perennial herb (bulb)

Allium unifolium One leaf onion, Oneleaf onion

native
Perennial herb (bulb)

Alnus rhombifolia White alder

native
Tree

BETULACEAE

Alnus rubra Oregon alder, Red alder

native
Tree, Shrub

BETULACEAE

Amaranthus californicus California amaranth, California pigweed

native
Annual herb

AMARANTHACEAE

Amsinckia intermedia Common fiddleneck

native
Annual herb

Amsinckia retrorsa Rigid fiddleneck

native
Annual herb

Anagallis arvensis Scarlet pimpernel

non-native
Annual herb

MYRSINACEAE

Anaphalis margaritacea Pearly everlasting

native
Perennial herb

Angelica hendersonii Coast angelica, Henderson's angelica

native
Perennial herb

Anisocarpus madioides Woodland madia

native
Perennial herb

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

• invasive non-native
Annual herb

Anthoxanthum occidentale California sweet grass, Vanilla grass

native
Perennial grass

Anthriscus caucalis Bur chervil

non-native
Annual herb, Vine

Aphanes occidentalis Western lady's mantle

native
Annual, Perennial herb

Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley

native
Annual 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

Arctostaphylos crustacea ssp. crustacea Brittle leaf manzanita

native
Shrub

Arctostaphylos montaraensis Montara manzanita

• rare native
Shrub

Arctostaphylos regismontana Kings mountain manzanita, Kings mtn. manzanita

• rare native
Shrub

Arnica discoidea Rayless arnica

native
Perennial herb

Artemisia biennis Biennial sagewort

non-native
Annual, Perennial herb

Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush

native
Shrub

Artemisia douglasiana California mugwort, Douglas' sagewort

native
Perennial herb

Asclepias fascicularis Narrow leaf milkweed

native
Perennial herb

APOCYNACEAE

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

native
Annual herb

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

Avena sativa Common oats, Cultivated oats, Wild oat

non-native
Annual, Perennial grass

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

native
Fern

AZOLLACEAE

Baccharis glutinosa Douglas' baccharis, Salt marsh baccharis

native
Perennial herb

Baccharis pilularis ssp. consanguinea Coyote brush

native
Shrub

Baccharis pilularis ssp. pilularis Coyote brush

native
Shrub

Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress

native
Perennial herb

Bellardia trixago Mediterranean lineseed

• invasive non-native
Annual herb

Bellardia viscosa Yellow glandweed

non-native
Annual herb

Bellis perennis English daisy, English lawn daisy

• invasive non-native
Perennial herb

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

native
Shrub

BERBERIDACEAE

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

native
Perennial herb

Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush

native
Perennial grasslike herb

Bolboschoenus robustus Sturdy bullrush

native
Perennial grasslike herb

Bowlesia incana Hoary bowlesia

native
Annual herb

Brassica nigra Black mustard

• invasive non-native
Annual herb

Brassica rapa Common mustard, Field mustard, Rape mustard

• invasive non-native
Annual 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 Crown brodiaea, Early harvest brodiaea, Harvest brodiaea

native
Perennial herb (bulb)

Brodiaea terrestris ssp. terrestris Dwarf brodiaea

native
Perennial herb

Bromus carinatus California brome

native
Perennial grass

Bromus carinatus var. carinatus California brome, Mountain brome

native
Perennial grass

Bromus catharticus var. elatus Chilean brome

non-native
Annual, Perennial grass

Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass

• invasive non-native
Annual grass

Bromus hordeaceus Soft brome, Soft chess

• invasive non-native
Annual grass

Bromus laevipes Chinook brome, Narrow flowered brome, Woodland brome

native
Perennial grass

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

non-native
Annual grass

Bromus madritensis ssp. rubens Red brome

• invasive non-native
Annual grass

Calandrinia breweri Brewer's calandrinia

• rare native
Annual herb

Calandrinia menziesii red maids, Calandrinia

native
Annual herb

Calocedrus decurrens Incense cedar, Post cedar, White cedar

native
Tree

CUPRESSACEAE

Calochortus albus White fairy lantern, White globe lily

native
Perennial herb

Calochortus luteus Yellow mariposa lily

native
Perennial herb

Calochortus uniflorus Pink star tulip

• rare native
Perennial herb

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

native
Perennial herb

CONVOLVULACEAE

Capsella bursa-pastoris Shepherd's purse

non-native
Annual herb

Cardamine californica California toothwort, milkmaids

native
Perennial herb

Cardamine oligosperma Bitter cress, Idaho bittercress

native
Annual, Perennial herb

Carduus pycnocephalus ssp. pycnocephalus Italian thistle

non-native
Annual herb

Carduus pycnocephalus ssp. pycnocephalus

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

• invasive non-native
Annual herb

Carex amplifolia Ample leaved sedge, Big leaf sedge

native
Perennial grasslike herb

Carex barbarae Santa barbara sedge, Valley sedge

native
Perennial grasslike herb

Carex bolanderi Bolander's sedge

native
Perennial grasslike herb

Carex densa Dense sedge, Sedge

native
Perennial grasslike herb

Carex harfordii Harford's sedge, Monterey sedge

native
Perennial grasslike herb

Carex obnupta Coast carex, Slough 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

Carpobrotus chilensis Sea fig

• invasive non-native
Perennial herb

AIZOACEAE

Carpobrotus edulis Hottentot fig, Iceplant, Sea fig

• invasive non-native
Perennial herb

AIZOACEAE

Castilleja affinis Indian paintbrush

native
Perennial herb

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

native
Annual herb

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

native
Annual herb

Castilleja foliolosa Texas paintbrush, Woolly indian paintbrush

native
Perennial 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

Caulanthus lasiophyllus California mustard

native
Annual herb

Ceanothus cuneatus var. cuneatus Buck brush, Buckbrush

native
Shrub

Ceanothus oliganthus var. sorediatus Jim brush

native
Shrub

Ceanothus papillosus warty-leaf ceanothus, Wartleaf ceanothus

native
Shrub

Ceanothus thyrsiflorus var. thyrsiflorus Blue blossom

native
Tree, Shrub

Ceanothus thyrsiflorus var. thyrsiflorus

Centaurea calcitrapa Purple star thistle, Red star thistle

• invasive non-native
Annual, Perennial herb

Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote

• invasive non-native
Annual herb

Centaurea solstitialis Barnaby's thistle, Yellow star thistle

• invasive non-native
Annual herb

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native
Annual herb

Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge

native
Annual, Perennial herb

EUPHORBIACEAE

Chamaesyce serpyllifolia ssp. serpyllifolia

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

non-native
Annual herb

CHENOPODIACEAE

Chenopodium californicum California goosefoot, Pigweed, Soaproot

native
Perennial herb

CHENOPODIACEAE

Chlorogalum pomeridianum Amole, Soap plant, Soaproot

native
Perennial herb

AGAVACEAE

Chorizanthe robusta Robust spineflower

native
Annual herb

Chrysolepis chrysophylla var. minor Bush chinquapin, Giant chinquapin

native
Tree, Shrub

Cicuta douglasii Western water hemlock

native
Perennial herb

Cirsium brevistylum Clustered thistle, Indian thistle

native
Perennial herb

Cirsium fontinale var. fontinale Fountain thistle

• rare native
Perennial herb

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

native
Perennial herb

Cirsium quercetorum Alameda county thistle, Brownie thistle

native
Annual, Perennial herb

Cirsium vulgare Bull thistle

• invasive non-native
Perennial herb

Clarkia amoena Farewell to spring

native
Annual herb

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

native
Annual herb

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

native
Annual herb

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

native
Annual herb

Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce

native
Annual herb

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

native
Perennial herb, Vine

Clinopodium douglasii Yerba buena

native
Perennial herb

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

native
Perennial herb

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

native
Annual herb

Collinsia heterophylla var. heterophylla

Collinsia multicolor San Francisco blue eyed mary, San Francisco collinsia

• rare native
Annual herb

Collinsia sparsiflora var. collina Hillside collinsia

native
Annual herb

Collomia heterophylla Variableleaf collomia, Varied leaved collomia

native
Annual herb

Conium maculatum Poison hemlock

• invasive non-native
Perennial herb

Convolvulus arvensis Field bindweed, Orchard morningglory

• invasive non-native
Perennial herb, Vine

CONVOLVULACEAE

Corallorhiza maculata Spotted coralroot, Summer coral root, Summer coralroot

native
Perennial herb

Corallorhiza striata Hooded coralroot, Striped coral root

native
Perennial herb

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. sericea American dogwood, Creek dogwood, Red osier dogwood

native
Shrub

CORNACEAE

Cortaderia jubata Pampas grass, Purple pampas grass, Pampasgrass

• invasive non-native
Perennial grass

Cortaderia selloana Uruguayan pampas grass

• invasive non-native
Perennial grass

Corylus cornuta ssp. californica Beaked hazelnut

native
Shrub

BETULACEAE

Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster

• invasive non-native
Shrub

Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons

non-native
Annual herb

Cotula coronopifolia Brass buttons, Common brassbuttons

• invasive non-native
Perennial herb

Crassula aquatica Aquatic pygmy weed, Pigmy weed, Water pygmyweed

native
Annual herb

Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed

native
Annual herb

Crataegus monogyna Hawthorn

• invasive non-native
Shrub

Crepis vesicaria ssp. taraxacifolia Beaked hawksbeard, Weedy hawksbeard

non-native
Annual, Perennial herb

Croton setigerus Turkey-mullein

native
Annual herb

EUPHORBIACEAE

Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass

non-native
Annual grass

Cryptantha clevelandii var. florosa Coastal cryptantha

native
Annual herb

Cryptantha flaccida Beaked cryptantha, Flaccid cryptantha, Weakstem cryptantha

native
Annual herb

Cryptantha leiocarpa Coast cryptantha, Coastal cryptantha, Popcorn flower

native
Annual herb

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

native
Annual herb

Cryptantha torreyana var. pumila Dwarf cryptantha

native
Annual herb

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

native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cynoglossum grande Hound's tongue, Western houndstongue, Adelinia

native
Perennial herb

Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass

• invasive non-native
Annual grass

Cyperus eragrostis Tall cyperus, Tall flatsedge

native
Perennial grasslike herb

Cytisus scoparius Scotch broom, Scotchbroom

• invasive non-native
Shrub

Dactylis glomerata Orchard grass, Orchardgrass

• invasive non-native
Perennial grass

Danthonia californica California oatgrass

native
Perennial grass

Daucus pusillus American wild carrot, Rattlesnake weed

native
Annual herb

Delairea odorata Cape ivy

• invasive non-native
Perennial herb

Delphinium californicum California larkspur, Coast larkspur

native
Perennial herb

Delphinium hesperium Foothill larkspur, Western larkspur

native
Perennial herb

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

native
Perennial herb

Delphinium patens ssp. patens Spreading larkspur, Zigzag larkspur

native
Perennial herb

Delphinium variegatum ssp. variegatum Royal larkspur

native
Perennial herb

Dendromecon rigida Bush poppy, Tree poppy

native
Shrub

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

native
Perennial grass

Deschampsia elongata Hairgrass, Slender hairgrass

native
Perennial grass

Dicentra formosa Pacific bleeding heart, Pacific bleedinghearts

native
Perennial herb

Dichelostemma capitatum ssp. capitatum Blue dicks, Wild hyacinth

native
Perennial herb

Digitalis purpurea Purple foxglove

• invasive non-native
Perennial herb

Dipsacus sativus Fuller's teasel, Indian teasel

• invasive non-native
Annual, Biennial herb

DIPSACACEAE

Dirca occidentalis Western leatherwood

• rare native
Shrub

THYMELAEACEAE

Dittrichia graveolens Stinkwort

• invasive non-native
Annual herb

Dodecatheon hendersonii Mosquito bill

native
Perennial herb

PRIMULACEAE

Draba verna Spring draba, Whitlow grass, Whitlowgrass

non-native
Annual herb

Drymocallis glandulosa var. wrangelliana Sticky cinquefoil

native
Perennial herb

Drymocallis glandulosa var. wrangelliana

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

native
Fern

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

native
Fern

Dudleya caespitosa Coast dudleya, Sand lettuce

native
Perennial herb

Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass

non-native
Annual grass

Elatine brachysperma Short seed waterwort, Shortseed waterwort

native
Annual, Perennial herb

ELATINACEAE

Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush

native
Perennial grasslike herb

Eleocharis montevidensis Montevideo spike rush, Sand spikerush

native
Perennial grasslike herb

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

• rare native
Perennial grass

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

native
Perennial grass

Elymus multisetus Big squirreltail grass

native
Perennial grass

Elymus triticoides Beardless wild rye

native
Perennial grass

Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb

native
Annual herb

Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

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

native
Annual herb

Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb

native
Annual herb

Epipactis helleborine Broadleaf helleborine

non-native
Perennial herb

Equisetum hyemale ssp. affine Giant scouring rush

native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail

native
Fern

EQUISETACEAE

Erigeron canadensis Canada horseweed

native
Annual herb

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

native
Perennial herb

Eriodictyon californicum California yerba santa, Yerba santa

native
Shrub

NAMACEAE

Eriogonum gracile var. gracile Slender buckwheat, Slender woolly buckwheat

native
Annual herb

Eriogonum latifolium Coast buckwheat, Coast eriogonum, Seaside buckwheat

native
Perennial herb

Eriogonum luteolum var. luteolum Golden buckwheat, Goldencarpet buckwheat

native
Annual herb

Eriogonum nudum var. auriculatum Naked buckwheat, Nude buckwheat

native
Shrub

Eriogonum vimineum Wicker buckwheat, Wicker stemmed eriogonum, Wickerstem buckwheat

native
Annual herb

Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow

native
Shrub

Eriophyllum confertiflorum var. confertiflorum

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

native
Perennial herb

Eriophyllum latilobum San mateo woolly sunflower

• rare native
Perennial herb

Eriophyllum staechadifolium Lizard tail, Seaside golden yarrow, Seaside 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

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

• invasive non-native
Annual herb

Erysimum franciscanum Franciscan wallflower, San francisco wallflower

• rare native
Perennial herb

Eschscholzia californica California poppy

native
Annual, Perennial herb

Eucalyptus camaldulensis Red gum, Red river gum, River redgum

• invasive non-native
Tree

MYRTACEAE

Eucalyptus globulus Blue gum, Tasmanian bluegum

• invasive non-native
Tree

MYRTACEAE

Euonymus occidentalis var. occidentalis Western burning bush

native
Tree, Shrub

CELASTRACEAE

Euphorbia spathulata Reticulate seeded spurge, Warty spurge

native
Annual herb

EUPHORBIACEAE

Eurybia radulina Roughleaf aster

native
Perennial herb

Festuca bromoides Brome fescue

non-native
Annual grass

Festuca californica California fescue

native
Perennial grass

Festuca idahoensis Blue bunchgrass, Blue fescue, Idaho fescue

native
Perennial grass

Festuca microstachys Small fescue

native
Annual grass

Festuca myuros Rattail sixweeks grass

• invasive non-native
Annual grass

Festuca octoflora Sixweeks grass

native
Annual grass

Festuca perennis Italian rye grass

• invasive non-native
Annual, Perennial grass

Foeniculum vulgare Biscuit root, Sweet fennel

• invasive non-native
Perennial herb

Fragaria vesca California strawberry, Wild strawberry, Wood strawberry

native
Perennial herb

Frangula californica ssp. californica California coffeeberry

native
Shrub

Fraxinus latifolia Oregon ash

native
Tree

OLEACEAE

Fritillaria affinis Checker lily, Mission bells

native
Perennial herb (bulb)

Fritillaria biflora var. ineziana Hillsborough chocolate lily

• rare native
Perennial herb (bulb)

Fritillaria liliacea Fragrant fritillary

• rare native
Perennial herb (bulb)

Galium aparine Cleavers, Common bedstraw, Goose grass

native
Annual herb

Galium californicum California bedstraw

native
Perennial herb

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

native
Vine, Shrub

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

native
Vine, Shrub

Galium triflorum Fragrant bedstraw, Sweet bedstraw, Sweet scented bedstraw

native
Annual herb

Gamochaeta ustulata Featherweed

native
Perennial herb

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

native
Tree, Shrub

GARRYACEAE

Gastridium phleoides Nit grass

non-native
Annual grass

Gaultheria shallon Salal

native
Shrub

Genista monspessulana French broom

• invasive non-native
Shrub

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

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

native
Annual herb

Gnaphalium palustre Lowland cudweed, Western marsh cudweed

native
Annual herb

Grindelia camporum Common gumplant, Great valley gumweed, Gum plant

native
Perennial herb

Grindelia hirsutula Gumweed, Hairy gumweed

native
Perennial herb

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

• rare native
Perennial herb

Hedera helix English ivy

• invasive non-native
Vine, Shrub

ARALIACEAE

Hedypnois cretica Crete weed

non-native
Annual herb

Helenium puberulum Rosilla, Sneezeweed

native
Perennial herb

Helianthemum scoparium Peak Rushrose

native
Shrub

CISTACEAE

Helminthotheca echioides Bristly ox-tongue

• invasive non-native
Annual, Perennial herb

Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed

native
Annual herb

Heracleum maximum Common cow parsnip

native
Perennial herb

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

native
Annual herb

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

native
Annual herb

Hesperocyparis macrocarpa Monterey cypress

native
Tree

CUPRESSACEAE

Hesperolinon congestum Marin dwarf flax, Marin western flax

• rare native
Annual herb

LINACEAE

Heteromeles arbutifolia Christmas berry, Toyon

native
Shrub

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

native
Perennial herb

Heuchera micrantha Alum root, Crevice alumroot

native
Perennial herb

Hieracium albiflorum White flowered hawkweed, White hawkweed

native
Perennial herb

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

• invasive non-native
Perennial herb

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

native
Perennial herb

Holcus lanatus Common velvetgrass, Velvet grass, Velvetgrass

• invasive non-native
Perennial grass

Holodiscus discolor var. discolor Oceanspray

native
Shrub

Hordeum brachyantherum Meadow barley

native
Perennial grass

Hordeum brachyantherum ssp. brachyantherum Meadow barley

native
Perennial grass

Hordeum brachyantherum ssp. brachyantherum

Hordeum marinum ssp. gussoneanum Barley, Mediterranean barley

non-native
Annual grass

Hordeum murinum ssp. glaucum Blue foxtail, Smooth barley

non-native
Annual grass

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

non-native
Annual grass

Hordeum vulgare Common barley

non-native
Annual grass

Horkelia californica var. californica California horkelia

native
Perennial herb

Hosackia gracilis Harlequin lotus

• rare native
Perennial herb

Hypericum perforatum ssp. perforatum Klamathweed

non-native
Perennial herb

HYPERICACEAE

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

Ilex aquifolium English holly, Holly

• invasive non-native
Tree, Shrub

AQUIFOLIACEAE

Iris douglasiana Douglas iris, Douglas' iris

native
Perennial herb

Iris longipetala Central coast iris, Coast iris

• rare native
Perennial herb

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

Juncus balticus ssp. ater Baltic rush

native
Perennial grasslike herb

Juncus bufonius Common toad rush, Toad rush

native
Annual grasslike herb

Juncus effusus Bog rush, Common bog rush, Common rush

native
Perennial grasslike herb

Juncus falcatus ssp. falcatus Falcate rush

native
Perennial grasslike herb

Juncus lescurii Dune rush

native
Perennial grasslike herb

Juncus patens Common rush, Spreading rush

native
Perennial grasslike herb

Juncus xiphioides Iris leaved rush, Irisleaf rush

native
Perennial grasslike herb

Koeleria macrantha June grass, Prairie junegrass

native
Perennial grass

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

Lapsana communis Common nipplewort, Nipplewort

non-native
Annual herb

Lasthenia californica ssp. californica California goldfields

native
Annual herb

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

native
Perennial herb

Layia hieracioides Hawkweed layia, Tall layia, Tall tidytips

native
Annual herb

Layia platyglossa Coastal tidytips

native
Annual herb

Lepechinia calycina White pitcher sage, Woodbalm, pitcher sage

native
Shrub

Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed

native
Annual herb

Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed

native
Annual herb

Leptosiphon acicularis Golden linanthus

• rare native
Annual herb

Leptosiphon ambiguus Serpentine leptosiphon

• rare native
Annual herb

Leptosiphon androsaceus False babystars

native
Annual herb

Leptosiphon liniflorus Narrowflower flaxflower

native
Annual herb

Leptospermum laevigatum Australian tea tree

• invasive non-native
Shrub

MYRTACEAE

Lessingia arachnoidea Crystal springs lessingia

• rare native
Annual herb

Lessingia hololeuca Woolly headed lessingia, Woollyhead lessingia

• rare native
Annual herb

Leucanthemum vulgare Oxe eye daisy, Oxeye daisy

• invasive non-native
Perennial herb

Ligusticum apiifolium Celery leaved lovage, Celeryleaf licorice root, Lovage

native
Perennial herb

Lilium pardalinum ssp. pardalinum Leopard lily

native
Perennial herb

Limnanthes douglasii Common meadowfoam, Douglas' meadowfoam

native
Annual herb

LIMNANTHACEAE

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

non-native
Annual herb

LINACEAE

Linum usitatissimum Common flax

non-native
Annual herb

LINACEAE

Lithophragma affine Common woodland star, San Francisco woodland star

native
Perennial herb

Lithophragma heterophyllum Hill star, Hillside woodland star

native
Perennial herb

Lobularia maritima Sweet alyssum

• invasive non-native
Perennial herb

Logfia filaginoides California cottonrose

native
Annual herb

Logfia gallica Narrowleaf cottonrose

non-native
Annual herb

Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium

native
Perennial herb

Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley

native
Perennial herb

Lomatium macrocarpum Bigseed biscuitroot, Large fruited lomatium

native
Perennial herb

Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel

native
Perennial herb

Lonicera hispidula Pink honeysuckle

native
Vine, Shrub

Lonicera involucrata var. ledebourii Coast twinberry, Twinberry honeysuckle

native
Shrub

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

• invasive non-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 arboreus Coastal bush lupine, Yellow bush lupine

native
Shrub

Lupinus arboreus var. eximius San mateo tree lupine

• rare native
Shrub

Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine

native
Annual, Perennial herb

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

native
Shrub

Lupinus formosus var. formosus Summer lupine, Western lupine

native
Perennial herb

Lupinus latifolius var. latifolius Broad leaf lupine

native
Perennial herb

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

native
Annual herb

Lupinus microcarpus var. microcarpus Chick lupine, Valley lupine

native
Annual herb

Lupinus nanus Sky lupine

native
Annual herb

Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine

native
Annual herb

Lupinus variicolor

native
Shrub

Luzula comosa var. comosa Hairy wood rush

native
Perennial grasslike herb

Lythrum hyssopifolia Hyssop loosestrife

• invasive non-native
Annual, Perennial herb

LYTHRACEAE

Madia elegans Common madia

native
Annual herb

Madia exigua Little tarweed, Meager tarweed, Small tarweed

native
Annual herb

Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed

native
Annual herb

Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed

native
Annual herb

Maianthemum racemosum Feathery false lily of the valley

native
Perennial herb

RUSCACEAE

Maianthemum stellatum Starry false lily of the valley

native
Perennial herb

RUSCACEAE

Malacothamnus arcuatus var. arcuatus Western bewildering bushmallow

• rare native
Shrub

Malva nicaeensis Bull mallow

non-native
Annual herb

Malva pseudolavatera

non-native
Annual, Biennial herb

Marah fabacea California man-root

native
Perennial herb, Vine

CUCURBITACEAE

Marah oregana Coast man-root

native
Perennial herb, Vine

CUCURBITACEAE

Marsilea vestita ssp. vestita Hairy pepperwort, Hairy waterclover

native
Fern

MARSILEACEAE

Matricaria discoidea Pineapple weed

native
Annual herb

Meconella californica California fairypoppy, California meconella

native
Annual herb

Medicago arabica Spotted burclover, Spotted medick

non-native
Annual herb

Medicago polymorpha Bur clover, Bur medic, California burclover

• invasive non-native
Annual herb

Medicago sativa Alfalfa

non-native
Perennial herb

Melica californica California melicgrass

native
Perennial grass

Melica geyeri Geyer's onion grass, Geyer's oniongrass

native
Perennial grass

Melica subulata Alaska melic, Alaska onion grass, Alaska oniongrass

native
Perennial grass

Melica torreyana Torrey melic, Torrey's melica, Torrey's melicgrass

native
Perennial grass

Melilotus albus White sweetclover

• invasive non-native
Annual, Biennial herb

Melilotus indicus Annual yellow sweetclover, Sourclover

non-native
Annual herb

Melilotus officinalis Yellow sweetclover

non-native
Annual, Biennial herb

Melissa officinalis Bee balm, Common balm, Lemon balm

non-native
Perennial herb

Mentha pulegium Pennyroyal

• invasive non-native
Perennial herb

Micranthes californica Greene's saxifrage

native
Perennial herb

Micropus californicus Cotton top, Micropus, Q tips

native
Annual herb

Microseris bigelovii Coast microseris, Coastal silverpuffs

native
Annual herb

Microseris douglasii Douglas' microseris, Douglas' silverpuffs

native
Annual herb

Mimulus aurantiacus var. aurantiacus Orange Bush Monkeyflower

native
Shrub

PHRYMACEAE

Mimulus cardinalis Cardinal monkey flower

native
Perennial herb

PHRYMACEAE

Mimulus guttatus Seep monkey flower, Yellow monkey flower

native
Annual, Perennial herb (rhizomatous)

PHRYMACEAE

Minuartia douglasii Douglas' Stitchwort

native
Annual herb

Monardella villosa Coyote mint

native
Perennial herb

Monardella villosa ssp. franciscana San francisco coyote mint

native
Perennial herb

Monolopia gracilens Woodland monolopia

• rare native
Annual herb

Montia fontana Annual water minerslettuce, Water chickweed, Water montia

native
Annual herb

Morella californica California wax myrtle

native
Tree, Shrub

MYRICACEAE

Muilla maritima Common muilla, Sea muilla

native
Perennial herb

Myoporum laetum Lollypop tree, Ngaio tree

• invasive non-native
Tree, Shrub

SCROPHULARIACEAE

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

non-native
Annual herb

Myosotis latifolia Broadleaf forget me not, Forget me not, Wide leaved forget me not

• invasive non-native
Perennial herb

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

native
Annual herb

Myriophyllum sibiricum Shortspike watermilfoil, Siberian milfoil, Siberian water milfoil

native
Perennial herb (aquatic)

HALORAGACEAE

Nasturtium officinale Watercress

native
Perennial herb (aquatic)

Navarretia heterodoxa Calistoga navarretia, Calistoga pincushionplant

native
Annual herb

Navarretia mellita Honeyscented pincushionplant, Skunk navarretia

native
Annual herb

Navarretia squarrosa Skunkbush, Skunkweed

native
Annual herb

Nemophila heterophylla Canyon nemophila, Small baby blue eyes, Variable leaved nemophila

native
Annual herb

Nemophila menziesii var. atomaria Baby blue eyes

native
Annual herb

Nemophila parviflora var. parviflora Small flowered nemophila, Smallflower nemophila, Woodland nemophila

native
Annual herb

Notholithocarpus densiflorus var. densiflorus Tanoak

native
Tree, Shrub

Notholithocarpus densiflorus var. densiflorus

Oemleria cerasiformis Indian plum, Oso berry

native
Shrub

Oenanthe sarmentosa Pacific oenanthe, Water parsley

native
Perennial herb

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

native
Perennial herb

Olea europaea Olive

• invasive non-native
Tree, Shrub

OLEACEAE

Orobanche uniflora Purple broomrape

Annual herb

Osmorhiza berteroi Sweet cicely

native
Perennial herb

Oxalis corniculata Creeping wood sorrel, Creeping woodsorrel, Yellow sorrel

• invasive non-native
Perennial herb

OXALIDACEAE

Oxalis oregana Redwood sorrel

native
Perennial herb

OXALIDACEAE

Oxalis pilosa Hairy wood sorrel

native
Annual herb

OXALIDACEAE

Pedicularis densiflora Warrior's plume, Indian warrior

native
Perennial herb

Pellaea andromedifolia Coffee cliffbrake, Coffee fern

native
Fern

Pentachaeta bellidiflora White rayed pentachaeta, Whiteray pygmydaisy

• rare native
Annual herb

Pentagramma triangularis ssp. triangularis Gold back fern

native
Fern

Pentagramma triangularis ssp. triangularis

Perideridia gairdneri ssp. gairdneri Gairdner's yampah

• rare native
Perennial herb

Perideridia kelloggii Kellogg's yampah, Yampah

native
Perennial herb

Persicaria maculosa Spotted ladysthumb

non-native
Annual herb

Persicaria punctata Dotted smartweed

native
Perennial herb

Petunia parviflora Wild petunia

native
Annual herb

SOLANACEAE

Phacelia breweri Brewer's phacelia

native
Annual herb

Phacelia californica California phacelia, Phacelia, Rock phacelia

native
Perennial herb

Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope

native
Annual herb

Phacelia divaricata Divaricate phacelia

native
Annual herb

Phacelia malvifolia Stinging phacelia

native
Annual herb

Phalaris aquatica Bulbous canarygrass, Harding grass

• invasive non-native
Perennial grass

Phalaris californica California canarygrass, Canarygrass

native
Perennial grass

Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass

non-native
Annual grass

Phleum pratense Common timothy, Cultivated timothy, Timothy

non-native
Perennial grass

Phoradendron serotinum ssp. tomentosum Mistletoe

native
Shrub (parasitic)

VISCACEAE

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

Pinus contorta Beach pine, Lodgepole pine

native
Tree

Pinus coulteri Big cone pine, Bull pine, Coulter pine

native
Tree

Pinus halepensis Aleppo pine

non-native
Tree

Pinus jeffreyi Jeffrey pine

native
Tree

Pinus radiata Monterey pine

native
Tree

Piperia elegans ssp. elegans Elegant piperia

native
Perennial herb

Piperia unalascensis Alaska piperia, Alaska rein orchid, Rein orchid

native
Perennial herb

Pittosporum undulatum Australian cheesewood, Victorian box

• invasive non-native
Tree, Shrub

PITTOSPORACEAE

Plagiobothrys bracteatus Bracted allocarya, Bracted popcorn flower, Bracted popcornflower

native
Annual herb

Plagiobothrys chorisianus Artist's popcornflower, Choris's popcorn flower, Popcorn flower

native
Annual herb

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

native
Annual herb

Plagiobothrys undulatus Coast allocarya

native
Annual herb

Plantago coronopus Buckhorn plantain, Cut leaf plantain

• invasive non-native
Annual herb

Plantago erecta California plantain, Dotseed plantain, Foothill plantain

native
Annual herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

• invasive non-native
Perennial herb

Plantago major Common plantain

non-native
Perennial herb

Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain

native
Perennial herb

Platystemon californicus Cream cups, Creamcups

native
Annual herb

Plectritis ciliosa Long spurred plectritis, Longspur seablush

native
Annual herb

VALERIANACEAE

Plectritis congesta Sea blush, Shortspur seablush

native
Annual herb

VALERIANACEAE

Plectritis macrocera Long horn plectritis, Longhorn plectritis, White plectritis

native
Annual herb

VALERIANACEAE

Pleuropogon californicus Annual semaphoregrass, Semaphore grass

native
Perennial grass (rhizomatous)

Poa annua Annual blue grass, Annual bluegrass

non-native
Annual grass

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

native
Annual 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 unilateralis ssp. unilateralis San francisco bluegrass

native
Perennial grass

Pogogyne serpylloides Thyme leaf mesa mint, Thymeleaf mesamint

native
Annual herb

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

• rare native
Perennial herb

Polygonum aviculare ssp. depressum Prostrate knotweed

non-native
Annual, Perennial herb

Polypodium californicum California polypody

native
Fern

POLYPODIACEAE

Polypodium scouleri Leather fern, Leather leaf fern, Leathery polypody

native
Fern

POLYPODIACEAE

Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass

non-native
Perennial grass

Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass

• invasive non-native
Annual grass

Polypogon viridis Water beard grass

non-native
Perennial grass

Polystichum dudleyi Dudley's sword fern, Dudley's swordfern

native
Fern

Polystichum munitum Western sword fern, Western swordfern

native
Fern

Populus fremontii ssp. fremontii Fremont cottonwood

native
Tree

Populus nigra Lombardy poplar

non-native
Tree

Populus trichocarpa Black cottonwood

native
Tree

Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed

native
Perennial herb

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 dulcis Domestic almond, Sweet almond

non-native
Tree

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

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

native
Tree, Shrub

Pseudognaphalium biolettii Two-color rabbit-tobacco

native
Perennial herb

Pseudognaphalium californicum Ladies' tobacco

native
Annual, Perennial herb

Pseudognaphalium ramosissimum Pink cudweed

native
Annual, Biennial herb

Pseudognaphalium stramineum Cottonbatting plant

native
Perennial herb

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

native
Tree

Psilocarphus tenellus Slender woolly marbles, Slender woollyheads

native
Annual herb

Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern

native
Fern

DENNSTAEDTIACEAE

Pyracantha angustifolia Narrowleaf firethorn

• invasive non-native
Shrub

Quercus agrifolia var. 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 kelloggii Black oak, California black oak

native
Tree

Quercus lobata California white oak, Valley oak

native
Tree

Quercus suber Cork oak

non-native
Tree, Shrub

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

native
Tree, Shrub

Quercus wislizeni var. wislizeni Interior live oak

native
Tree, Shrub

Rafinesquia californica California chicory, California plumseed

native
Annual herb

Ranunculus aquatilis var. diffusus white water butter cup

native
Perennial herb (aquatic)

Ranunculus californicus California buttercup

native
Perennial herb

Ranunculus hebecarpus Delicate buttercup, Pubescent fruited buttercup, Slender annual buttercup

native
Annual herb

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

• rare native
Annual herb (aquatic)

Raphanus sativus Cultivated radish, Jointed charlock, Wild radish

• invasive non-native
Annual, Biennial herb

Rhamnus crocea Redberry buckthorn

native
Shrub

Ribes californicum var. californicum California gooseberry, Hillside gooseberry

native
Shrub

Ribes divaricatum var. pubiflorum Spreading gooseberry, Straggly gooseberry

native
Shrub

Ribes malvaceum var. malvaceum Chaparral currant

native
Shrub

Ribes menziesii var. menziesii Canyon gooseberry

native
Shrub

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

native
Shrub

Romanzoffia californica California romanzoffia

native
Perennial herb

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

native
Annual, Perennial herb

Rosa californica California wild rose, California wildrose

native
Shrub

Rosa gymnocarpa var. gymnocarpa Wood rose

native
Shrub

Rosa spithamea Ground rose, Sonoma rose

native
Shrub

Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry

• invasive non-native
Shrub

Rubus parviflorus Western thimbleberry, Thimbleberry

native
Vine, Shrub

Rubus ursinus California blackberry, Pacific blackberry

native
Vine, Shrub

Rumex acetosella Common sheep sorrel

• invasive non-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 fueginus Golden dock

native
Annual, Perennial herb

Rumex pulcher Fiddle dock

non-native
Perennial herb

Rumex salicifolius Willow dock, Willow leaved dock

native
Perennial herb

Sagina apetala Annual pearlwort, Dwarf pearlwort, Sticky pearlwort

non-native
Annual herb

Salix babylonica Weeping willow

non-native
Tree

Salix laevigata Polished willow, Red willow

native
Tree

Salix lasiandra var. lasiandra Pacific willow

native
Tree

Salix lasiolepis Arroyo willow

native
Tree, Shrub

Salix sitchensis Coulter willow, Sitka willow

native
Tree, Shrub

Salvia columbariae Chia sage

native
Annual herb

Sambucus nigra ssp. caerulea Blue elderberry

native
Tree, Shrub

VIBURNACEAE

Sambucus racemosa var. racemosa Pacific red elderberry

native
Shrub

VIBURNACEAE

Sanicula arctopoides Footsteps of spring, Yellow mats

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 laciniata Coast sanicle, Coastal blacksnakeroot

native
Perennial herb

Scandix pecten-veneris Shepherd's needle, Shepherdsneedle, Venus' needle

non-native
Annual herb, Vine

Schoenoplectus californicus California bulrush

native
Perennial grasslike herb

Scirpus microcarpus Panicled bulrush, Small fruited bulrush

native
Perennial grasslike herb

Scoliopus bigelovii California fetid adder's tongue, Slink pod

native
Perennial herb

Scrophularia californica California bee plant, California figwort

native
Perennial herb

SCROPHULARIACEAE

Scutellaria tuberosa Danny's skullcap, Scullcap

native
Perennial herb

Sedum spathulifolium Broadleaf stonecrop, Pacific stonecrop, Stone crop

native
Perennial herb

Senecio aronicoides California butterweed, California groundsel, California rayless butterweed

native
Perennial herb

Senecio glomeratus Cutleaf burnweed

• invasive non-native
Annual, Perennial herb

Senecio minimus Coastal burnweed

non-native
Annual, 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

CUPRESSACEAE

Sherardia arvensis Blue fieldmadder, Field madder

non-native
Annual herb

Sidalcea malviflora Checker bloom, Checker mallow, Dwarf checkerbloom

native
Perennial herb

Silene gallica Common catchfly, Windmill pink

non-native
Annual herb

Silene laciniata ssp. californica California indian pink

native
Perennial herb

Silene scouleri ssp. scouleri Simple campion

• rare native
Perennial herb

Silybum marianum Blessed milkthistle, Milk thistle

• invasive non-native
Annual, Perennial herb

Sisymbrium officinale Hedge mustard, Hedgemustard

non-native
Annual herb

Sisyrinchium bellum Western blue eyed grass

native
Perennial herb

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

native
Perennial herb

Solanum douglasii Douglas' nightshade, Greenspot nightshade

native
Perennial herb

SOLANACEAE

Solanum umbelliferum Blue witch nightshade, Bluewitch nightshade

native
Shrub

SOLANACEAE

Solidago velutina ssp. californica California goldenrod, Oreja de liebre

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

Spartina foliosa California cord grass, California cordgrass, Pacific cordgrass

native
Perennial grass

Spartium junceum Gorse, Spanish broom

• invasive non-native
Shrub

Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry

non-native
Annual, Perennial herb

Spiranthes porrifolia Creamy ladies tresses, Creamy ladies' tresses, Western ladies tresses

native
Perennial herb

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

native
Perennial herb

Stachys chamissonis Coast hedge nettle, Coastal hedgenettle

native
Perennial herb

Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle

native
Perennial herb

Stachys rigida var. quercetorum Rough hedgenettle

native
Perennial herb

Stellaria media Chickweed

non-native
Annual herb

Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed

native
Annual herb

Stephanomeria virgata Rod wirelettuce, Tall stephanomeria, Twiggy wreath plant

native
Annual herb

Stipa lepida Foothill needle grass

native
Perennial grass

Stipa pulchra Purple needle grass

native
Perennial grass

Stuckenia pectinata Sago pondweed

native
Perennial herb (aquatic)

POTAMOGETONACEAE

Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry, Snowberry

native
Shrub

Symphoricarpos mollis Creeping snowberry, Trailing snowberry

native
Shrub

Symphyotrichum chilense California aster, Pacific aster

native
Perennial herb

Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion

• invasive non-native
Perennial herb

Taraxia ovata Sun cup, Goldeneggs

native
Perennial herb

Tauschia kelloggii Kellogg's tauschia, Kellogg's umbrellawort

native
Perennial herb

Tellima grandiflora Bigflower tellima, Fringe cups

native
Perennial herb

Thalictrum fendleri var. polycarpum Fendler's meadow rue, Meadow rue, Torrey's meadow rue

native
Perennial herb

Thermopsis californica var. californica California goldenbanner

native
Perennial herb (rhizomatous)

Thysanocarpus curvipes Fringe pod, Fringed pod, Hairy lacepod

native
Annual herb

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

• invasive non-native
Annual herb

Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak

native
Vine, Shrub

ANACARDIACEAE

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

native
Perennial herb

Toxicoscordion venenosum var. venenosum Meadow deathcamas

native
Perennial herb

Tragopogon porrifolius Purple salsify

non-native
Perennial herb

Trientalis latifolia Pacific starflower

native
Perennial herb

MYRSINACEAE

Trifolium bifidum Notch leaf clover, Notchleaf clover, Pinole clover

native
Annual herb

Trifolium campestre Field clover, Low hop clover

non-native
Annual herb

Trifolium ciliolatum Foothill clover, Tree clover

native
Annual herb

Trifolium depauperatum var. amplectens Balloon sack clover, Pale bladder clover, Pale sack clover

native
Annual herb

Trifolium dichotomum Branched indian clover

native
Annual herb

Trifolium fucatum Bull clover, Sour clover

native
Annual herb

Trifolium gracilentum Graceful clover, Pin point clover, Pinpoint clover

native
Annual herb

Trifolium hirtum Rose clover

• invasive non-native
Annual herb

Trifolium macraei Chilean clover, Macrae's clover

native
Annual herb

Trifolium microcephalum Hairy clover, Small headed clover

native
Annual herb

Trifolium microdon Thimble clover, Valparaiso clover

native
Annual herb

Trifolium repens White clover

non-native
Perennial 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 chloropetalum Common trillium, Giant wakerobin, Trillium

native
Perennial herb

Trillium ovatum ssp. ovatum Pacific trillium, Western wakerobin

native
Perennial herb

Triphysaria floribunda San francisco owl's clover

• rare native
Annual herb

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

native
Annual herb

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

native
Annual herb

Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum

native
Perennial grass

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

native
Perennial herb

Triteleia ixioides ssp. ixioides Golden brodiaea

native
Perennial herb

Triteleia laxa Ithuriel's spear

native
Perennial herb

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

native
Perennial herb

Turritis glabra Tower rockcress

native
Perennial herb

Typha latifolia Broadleaf cattail, Common cattail, Soft flag

native
Perennial herb (aquatic)

TYPHACEAE

Ulex europaeus Common gorse

• invasive non-native
Shrub

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

Urtica urens Annual stinging nettle, Dwarf nettle

non-native
Annual herb

URTICACEAE

Vaccinium ovatum California huckleberry, Evergreen huckleberry

native
Shrub

Verbena lasiostachys var. lasiostachys Vervain, Western vervain

native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. scabrida Robust vervain

native
Perennial herb

VERBENACEAE

Veronica americana American brooklime, American speedwell, Brooklime

native
Perennial herb

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

native
Annual herb

Vicia americana ssp. 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 sativa ssp. nigra Common vetch, Garden vetch, Smaller common vetch

non-native
Annual herb, Vine

Vinca major Greater periwinkle, Bigleaf periwinkle

• invasive non-native
Perennial herb

APOCYNACEAE

Viola glabella Pioneer violet, Stream violet, Stream Violet, Smooth Yellow Violet

native
Perennial herb

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

native
Perennial herb

Viola pedunculata California golden violet, Johnny jump up

native
Perennial herb

Viola sempervirens Evergreen violet, Redwood violet

native
Perennial herb

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

Xanthium spinosum Spiny clotbur, Spiny cockleburr

non-native
Annual herb

Xanthium strumarium Rough cockleburr

native
Annual herb

Yabea microcarpa California hedge parsley, False carrot

native
Annual herb