Illustrated Plant List

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

native

Annual herb

Acmispon glaber var. glaber Deerweed

native

Perennial herb

Acmispon junceus var. junceus Rush lotus

native

Perennial herb

Acmispon parviflorus Hill lotus

native

Annual herb

Acmispon strigosus Strigose lotus

native

Annual herb

Acourtia microcephala Sacapellote

native

Perennial herb

Adenostoma fasciculatum var. fasciculatum Chamise

native

Tree, Shrub

Adenostoma fasciculatum var. fasciculatum

Adiantum jordanii Adiantum, maiden hair fern

native

Fern

Agoseris grandiflora var. grandiflora Giant mountain dandelion

native

Perennial herb

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

native

Perennial grass

Allium haematochiton Red skinned onion, Redskin onion

native

Perennial herb (bulb)

ALLIACEAE

Allium lacunosum var. lacunosum Pitted onion

native

Perennial herb (bulb)

ALLIACEAE

Amaranthus blitoides Mat amaranth, Prostrate amaranth, Prostrate pigweed

native

Annual herb

AMARANTHACEAE

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

native

Shrub

Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck

native

Annual herb

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

non-native

Annual herb

Anthriscus caucalis Bur chervil

non-native

Annual herb, Vine

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

native

Annual herb

Antirrhinum thompsonii

native

Perennial herb

Aphanes occidentalis Western lady's mantle

native

Annual, Perennial herb

Aphyllon tuberosum Chaparral broomrape

native

Perennial herb (parasitic)

Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley

native

Annual herb

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

native

Perennial herb

Arbutus menziesii Madrono, Pacific madrone, Madrone

native

Tree

ERICACEAE

Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita

native

Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. cushingiana

Arctostaphylos obispoensis Bishop manzanita, Serpentine manzanita

rare native
4.3

Shrub

ERICACEAE

Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush

native

Shrub

Asclepias californica California milkweed

native

Perennial herb

Asclepias eriocarpa Indian milkweed, Kotolo milkweed, Woolypod milkweed

native

Perennial herb

Asclepias fascicularis Narrow leaf milkweed

native

Perennial herb

Aspidotis californica California lace fern, California lacefern

native

Fern

Aspidotis carlotta-halliae Carlotta hall's lace fern

rare native
4.2

Fern (rhizomatous)

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

native

Perennial herb

Avena barbata Slender oat, Slim oat

invasive non-native
moderate

Annual grass

Avena fatua Wild oat, Wildoat

invasive non-native
moderate

Annual grass

Baccharis pilularis Coyote brush, Dwarf chaparral broom

native

Shrub

Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress

native

Perennial herb

Bloomeria crocea var. crocea Common goldenstar

native

Perennial herb

THEMIDACEAE

Brachypodium hybridum Small Tree-Mallow

Brassica nigra Black mustard

invasive non-native
moderate

Annual herb

Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass

invasive non-native
limited

Annual grass

Bromus arizonicus Arizona brome

native

Annual grass

Bromus carinatus var. carinatus California brome

native

Perennial grass

Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass

invasive non-native
moderate

Annual grass

Bromus hordeaceus Soft brome, Soft chess

invasive non-native
limited

Annual grass

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

non-native

Annual grass

Bromus rubens Red brome

non-native

Annual grass

Calandrinia breweri Brewer's calandrinia

rare native
4.2

Annual herb

Calandrinia menziesii red maids, Calandrinia

native

Annual herb

Calochortus albus White fairy lantern, White globe lily

native

Perennial herb

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

rare native
4.3

Perennial herb (bulb)

Calochortus obispoensis San luis mariposa lily

rare native
1B.2

Perennial herb (bulb)

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

native

Perennial herb, Vine

CONVOLVULACEAE

Camissonia contorta Contorted sun cup, Plains evening primrose

native

Annual herb

Camissoniopsis hirtella Hairy sun cup

native

Annual herb

Camissoniopsis intermedia Intermediate sun cups

native

Annual herb

Camissoniopsis micrantha Spencer primrose

native

Annual herb

Cardamine californica California toothwort, milkmaids, milk maids

native

Perennial herb

Cardamine oligosperma Bitter cress, Idaho bittercress

native

Annual, Perennial herb

Carduus pycnocephalus Italian thistle

invasive non-native
moderate

Annual herb

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

invasive non-native
limited

Annual herb

Carex obispoensis San Luis Obispo sedge, San Luis sedge

rare native
1B.2

Perennial grasslike herb (rhizomatous)

CYPERACEAE

Carthamus lanatus Woolly distaff thistle

invasive non-native
high

Annual herb

Castilleja affinis ssp. affinis Coast indian paintbrush

rare native

Perennial herb (hemiparasitic)

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

native

Annual herb (hemiparasitic)

Castilleja foliolosa Texas paintbrush, Woolly indian paintbrush

native

Perennial herb (hemiparasitic)

Ceanothus cuneatus var. ramulosus Buck brush

native

Shrub

Ceanothus foliosus var. medius La cuesta ceanothus, Wavyleaf buckbrush

native

Shrub

Ceanothus oliganthus var. sorediatus Jim brush

native

Shrub

Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote

invasive non-native
moderate

Annual herb

Centaurea solstitialis Barnaby's thistle, Yellow star thistle

invasive non-native
high

Annual herb

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native

Annual herb

Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany

native

Tree, Shrub

Chenopodiastrum murale Nettle leaf goosefoot, Sowbane

non-native

Annual herb

CHENOPODIACEAE

Chenopodium berlandieri Berlandier's goosefoot, Pit seed goosefoot

native

Annual herb

CHENOPODIACEAE

Chlorogalum pomeridianum var. minus Dwarf soaproot, Wavyleaf soap plant

rare native
1B.2

Perennial herb (bulb)

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant

native

Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum

Chondrilla juncea Hogbite, Skeleton weed

invasive non-native
moderate

Perennial herb

Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower

rare native
1B.3

Annual herb

Chorizanthe palmeri Palmer's spineflower

rare native
4.2

Annual herb

Chorizanthe staticoides Turkish rugging

native

Annual herb

Cirsium occidentale var. lucianum Cuesta ridge thistle

rare native
1B.2

Perennial herb

Cirsium vulgare Bull thistle

invasive non-native
moderate

Perennial herb

Clarkia cylindrica ssp. cylindrica Speckled clarkia

native

Annual herb

Clarkia modesta Waltham Creek clarkia

native

Annual herb

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

native

Annual herb

Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia

native

Annual herb

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

native

Annual herb

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

native

Annual herb

Claytonia perfoliata ssp. mexicana Southern miner's lettuce

native

Annual herb

Clematis lasiantha Chaparral clematis, Pipestem

native

Perennial herb, Vine

Collinsia heterophylla Purple chinese houses

native

Annual herb

Collinsia sparsiflora var. collina Hillside collinsia

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

Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed

native

Annual herb

CRASSULACEAE

Crocanthemum scoparium peak rush-rose, broom rush-rose

native

Shrub

CISTACEAE

Croton setiger 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 microstachys Popcorn flower, Tejon cryptantha

native

Annual herb

Cryptantha muricata var. jonesii Jones' cryptantha

native

Annual herb

Danthonia californica California oatgrass

native

Perennial grass

Deinandra fasciculata Clustered tarweed

native

Annual herb

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

native

Perennial herb

Dendromecon rigida Bush poppy, Tree poppy

native

Shrub

Deschampsia elongata Hairgrass, Slender hairgrass

native

Perennial grass

Digitaria sanguinalis Hairy crabgrass

non-native

Annual grass

Diplacus aurantiacus var. aurantiacus Orange Bush Monkeyflower

native

Shrub

PHRYMACEAE

Dipterostemon capitatus ssp. capitatus Blue dicks

native

Perennial herb

THEMIDACEAE

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

native

Fern

DRYOPTERIDACEAE

Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya

native

Perennial herb

CRASSULACEAE

Ehrendorferia chrysantha Golden eardrops

native

Perennial herb

Elymus condensatus Giant wild rye

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

Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells

native

Annual herb

Emmenanthe penduliflora var. penduliflora

Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb

native

Annual herb

Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb

native

Annual herb

Ericameria arborescens Golden fleece, Goldenfleece

native

Shrub

Erigeron bonariensis Flax-leaved horseweed

non-native

Annual herb

Erigeron canadensis Canada horseweed

native

Annual herb

Erigeron sumatrensis Tropical horseweed

non-native

Annual herb

Eriogonum cithariforme var. agninum Cithara buckwheat

native

Annual herb

Eriogonum elongatum var. elongatum Long stemmed buckwheat

native

Perennial herb

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

native

Shrub

Eriogonum nudum var. pubiflorum Hairy flowered buckwheat, Naked buckwheat

native

Annual herb

Eriogonum saxatile Hoary buckwheat, Rock buckwheat, Rock eriogonum

native

Perennial herb

Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow

native

Shrub

Eriophyllum confertiflorum var. confertiflorum

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
limited

Annual herb

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

non-native

Annual herb

Erysimum capitatum var. capitatum Sanddune wallflower

native

Perennial herb

Erythranthe cardinalis Cardinal monkey flower

native

Perennial herb

PHRYMACEAE

Erythranthe guttata Seep monkey flower, Yellow monkey flower

native

Annual, Perennial herb (rhizomatous)

PHRYMACEAE

Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy

native

Annual herb

Eschscholzia californica California poppy

native

Annual, Perennial herb

Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed

native

Annual herb

Eucrypta chrysanthemifolia var. chrysanthemifolia

Eurybia radulina Roughleaf aster

native

Perennial herb

Festuca bromoides Brome fescue

non-native

Annual grass

Festuca californica California fescue

native

Perennial grass

Festuca microstachys Small fescue

native

Annual grass

Festuca myuros Rattail sixweeks grass

invasive non-native
moderate

Annual grass

Festuca octoflora Sixweeks grass

native

Annual grass

Festuca perennis Italian rye grass

invasive non-native
moderate

Annual, Perennial grass

Foeniculum vulgare Biscuit root, Sweet fennel

invasive non-native
moderate

Perennial herb

Frangula californica ssp. californica California coffeeberry

native

Shrub

Fremontodendron californicum California flannelbush, Flannel bush

native

Shrub

MALVACEAE

Fritillaria biflora var. biflora Chocolate lily

native

Perennial herb (bulb)

Galium andrewsii Needlemat galium, Phlox leaved bedstraw, Phloxleaf bedstraw

native

Perennial herb

Galium aparine Cleavers, Common bedstraw, Goose grass

native

Annual herb

Galium californicum ssp. flaccidum California bedstraw

native

Perennial herb

Galium californicum ssp. luciense Cone peak bedstraw

rare native
1B.3

Perennial herb

Galium parisiense Wall bedstraw

non-native

Annual herb

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

native

Vine, Shrub

Gamochaeta ustulata Featherweed

native

Perennial herb

Garrya veatchii Canyon silktassel, Southern silk tassel, Veatch silktassel

native

Shrub

GARRYACEAE

Gastridium phleoides Nit grass

non-native

Annual grass

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

invasive non-native
limited

Annual herb

Geranium rotundifolium Round leaved geranium, Roundleaf geranium

non-native

Annual herb

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

native

Annual herb

POLEMONIACEAE

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

native

Annual herb

CAMPANULACEAE

Gnaphalium palustre Lowland cudweed, Western marsh cudweed

native

Annual herb

Grindelia hirsutula Gumweed, Hairy gumweed

native

Perennial herb

Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush

native

Shrub

Hedypnois rhagadioloides Crete weed

non-native

Annual herb

Helianthus gracilentus Slender sunflower

native

Perennial herb

Helminthotheca echioides Bristly ox-tongue

invasive non-native
limited

Annual, Perennial herb

Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed

native

Annual herb

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

native

Annual herb

Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle

native

Annual herb

URTICACEAE

Hesperocyparis sargentii Sargent cypress

native

Tree, Shrub

CUPRESSACEAE

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

native

Annual herb

LINACEAE

Hesperoyucca whipplei Chaparral yucca

native

Shrub

AGAVACEAE

Heteromeles arbutifolia Christmas berry, Toyon

native

Shrub

Hieracium argutum Southern hawkweed

native

Perennial herb

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

invasive non-native
moderate

Perennial herb

Holodiscus discolor Cream bush, Ocean spray, Oceanspray

native

Shrub

Hordeum marinum subsp gussoneanum Small Tree-Mallow

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

non-native

Annual grass

Horkelia cuneata var. puberula Mesa horkelia

rare native
1B.1

Perennial herb

Hypochaeris glabra Smooth cat's ear

invasive non-native
limited

Annual herb

Juncus bufonius var. bufonius Toad rush

native

Annual grasslike herb

JUNCACEAE

Keckiella cordifolia Climbing penstemon, Heart leaved keckiella, Heartleaf keckiella

native

Shrub

Koeleria macrantha June grass, Prairie junegrass

native

Perennial grass

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

native

Perennial herb

Layia heterotricha Pale yellow layia, Paleyellow tidytips

rare native
1B.1

Annual herb

Lepechinia calycina White pitcher sage, Woodbalm, pitcher sage

native

Shrub

Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed

native

Annual herb

Lithophragma heterophyllum Hill star, Hillside woodland star

native

Perennial herb

SAXIFRAGACEAE

Logfia filaginoides California cottonrose

native

Annual herb

Logfia gallica Narrowleaf cottonrose

non-native

Annual herb

Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley

native

Perennial herb

Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium

rare native
4.2

Perennial herb

Lonicera hispidula Pink honeysuckle

native

Vine, Shrub

Lonicera interrupta Chaparral honeysuckle

native

Vine, Shrub

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

native

Shrub

Lupinus albifrons var. abramsii Abrams' lupine

rare native
3.2

Perennial herb

Lupinus concinnus Bajada lupine, Elegant lupine, Scarlet lupine

native

Annual herb

Lupinus hirsutissimus Stinging annual lupine, Stinging lupine

native

Annual herb

Lupinus latifolius var. latifolius Broad leaf lupine

native

Perennial herb

Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine

native

Annual herb

Lysimachia arvensis Scarlet pimpernel

non-native

Annual herb

MYRSINACEAE

Lysimachia latifolia Pacific starflower

native

Perennial herb

MYRSINACEAE

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

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

native

Shrub

BERBERIDACEAE

Malacothrix phaeocarpa Central coast malacothrix, Davis' desertdandelion

rare native
4.3

Annual herb

Marah fabacea California man-root

native

Perennial herb, Vine

CUCURBITACEAE

Marrubium vulgare White horehound

invasive non-native
limited

Perennial herb

Matricaria discoidea Pineapple weed

native

Annual herb

Medicago minima Burclover, Burr medick, Small bur clover

non-native

Annual herb

Medicago polymorpha Bur clover, Bur medic, California burclover

invasive non-native
limited

Annual herb

Melica imperfecta California melic, Coast range melic, Small flowered melica

native

Perennial grass

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

native

Perennial grass

Melilotus albus White sweetclover

non-native

Annual, Biennial herb

Melilotus indicus Annual yellow sweetclover, Sourclover

non-native

Annual herb

Microseris douglasii ssp. douglasii Douglas' microseris, Douglas' silverpuffs

native

Annual herb

Monardella palmeri Palmer's monardella

rare native
1B.2

Perennial herb (rhizomatous)

Monardella villosa ssp. obispoensis San luis obispo coyote mint

native

Perennial herb

Myriopteris covillei Coville's lip fern

native

Fern

Navarretia mellita Honeyscented pincushionplant, Skunk navarretia

native

Annual herb

POLEMONIACEAE

Nemophila pedunculata Littlefoot nemophila, Meadow nemophila

native

Annual herb

Notholithocarpus densiflorus var. densiflorus Tanoak

native

Tree, Shrub

Notholithocarpus densiflorus var. densiflorus

Oemleria cerasiformis Indian plum, Oso berry

native

Shrub

Oxalis pes-caprae Bermuda buttercup, Sourgrass

invasive non-native
moderate

Perennial herb

OXALIDACEAE

Paeonia californica California peony

native

Perennial herb

PAEONIACEAE

Papaver californicum Fire poppy, Western poppy

native

Annual herb

Papaver heterophyllum Wind poppy

native

Annual herb

Pedicularis densiflora Warrior's plume, Indian warrior

native

Perennial herb (hemiparasitic)

Pellaea andromedifolia Coffee cliffbrake, Coffee fern

native

Fern

Pellaea mucronata var. mucronata Bird's foot fern

native

Fern

Pentagramma triangularis ssp. triangularis Gold back fern

native

Fern

Pentagramma triangularis ssp. triangularis

Phacelia cicutaria var. hispida Caterpillar phacelia

native

Annual herb

Phacelia grisea Grey phacelia, Santa lucia phacelia

native

Annual herb

Phacelia imbricata ssp. imbricata Bernadina Phacelia

native

Annual herb

Phalaris aquatica Bulbous canarygrass, Harding grass

invasive non-native
moderate

Perennial grass

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

native

Annual herb

Phoradendron villosum ssp. villosum Mistletoe

native

Shrub (parasitic)

VISCACEAE

Pickeringia montana var. montana Montana chaparral pea

native

Shrub

Pinus attenuata Knobcone pine, Scrub pine

native

Tree

PINACEAE

Pinus coulteri Big cone pine, Bull pine, Coulter pine

native

Tree

PINACEAE

Pinus sabiniana Bull pine, California foothill pine, Gray pine

native

Tree

PINACEAE

Piperia elegans ssp. elegans Elegant piperia

native

Perennial herb

ORCHIDACEAE

Plagiobothrys collinus var. fulvescens California popcornflower, Cooper's popcornflower, Popcorn flower

native

Annual herb

Plagiobothrys uncinatus Hooked popcorn flower, Salinas valley popcornflower

rare native
1B.2

Annual herb

Plantago erecta California plantain, Dotseed plantain, Foothill plantain

native

Annual herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

invasive non-native
limited

Perennial herb

Plectritis ciliosa Long spurred plectritis, Longspur seablush

native

Annual herb

VALERIANACEAE

Poa annua Annual blue grass, Annual bluegrass

non-native

Annual grass

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

native

Annual grass

Pogogyne serpylloides Thyme leaf mesa mint, Thymeleaf mesamint

native

Annual herb

Polygala californica California Milkwort

native

Perennial herb

POLYGALACEAE

Polypodium californicum California polypody

native

Fern

POLYPODIACEAE

Polypodium calirhiza Acrid fern, Licorice fern, Nested 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
limited

Annual grass

Primula clevelandii var. insulare Padre's shooting star

native

Perennial herb

PRIMULACEAE

Prunus ilicifolia var. ilicifolia Holly leaf cherry, Hollyleaf cherry

native

Tree, Shrub

Pseudognaphalium beneolens Cudweed

native

Perennial herb

Pseudognaphalium californicum Ladies' tobacco

native

Annual, Perennial herb

Pseudognaphalium luteoalbum Jersey cudweed

non-native

Annual herb

Psilocarphus tenellus Slender woolly marbles, Slender woollyheads

native

Annual herb

Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern

native

Fern

DENNSTAEDTIACEAE

Pterostegia drymarioides Fairy mist, Granny's hairnet, Woodland threadstem

native

Annual herb

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 lobata California white oak, Valley oak

native

Tree

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

native

Tree, Shrub

Rafinesquia californica California chicory, California plumseed

native

Annual herb

Ranunculus californicus California buttercup

native

Perennial herb

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

native

Annual herb

Rhamnus crocea Redberry buckthorn

native

Shrub

Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry

native

Shrub

Ribes malvaceum var. malvaceum Chaparral currant

native

Shrub

GROSSULARIACEAE

Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry

native

Shrub

GROSSULARIACEAE

Rosa gymnocarpa Dwarf rose, Baldhip rose

native

Shrub

Rosa spithamea Ground rose, Sonoma rose

native

Shrub

Rubus ursinus California blackberry, Pacific blackberry

native

Vine, Shrub

Rumex acetosella Common sheep sorrel

invasive non-native
moderate

Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

invasive non-native
limited

Perennial herb

Rumex kerneri Kerner's dock

non-native

Perennial herb

Salix breweri Brewer's willow, Serpentine willow

native

Shrub

SALICACEAE

Salix laevigata Polished willow, Red willow

native

Tree

SALICACEAE

Salix lasiolepis Arroyo willow

native

Tree, Shrub

SALICACEAE

Salvia columbariae Chia sage

native

Annual herb

Salvia mellifera Black sage

native

Shrub

Salvia sonomensis Creeping sage, Sonoma sage

native

Perennial herb

Salvia spathacea Hummingbird sage

native

Perennial herb

Sambucus nigra ssp. caerulea Blue elderberry

native

Tree, Shrub

VIBURNACEAE

Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot

native

Perennial herb

Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle

native

Perennial herb

Sanicula hoffmannii Hoffmann's blacksnakeroot, Hoffmann's sanicle, Hoffmann's snakeroot

rare native
4.3

Perennial herb

Sanicula tuberosa Tuberous sanicle, Turkey pea

native

Perennial herb

Scribneria bolanderi

native

Perennial grass

Scutellaria tuberosa Danny's skullcap, Scullcap

native

Perennial herb

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

native

SELAGINELLACEAE

Senecio astephanus San gabriel ragwort

rare native
4.3

Perennial herb

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

native

Shrub

Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring

non-native

Annual herb

Sidalcea hickmanii ssp. anomala Cuesta pass checkerbloom

rare native
1B.2

Perennial herb

MALVACEAE

Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow

native

Perennial herb (rhizomatous)

MALVACEAE

Silene gallica Common catchfly, Windmill pink

non-native

Annual herb

Silene laciniata ssp. laciniata Cardinal catchfly

native

Perennial herb

Silene multinervia Fire following campion, Manynerve catchfly

native

Annual herb

Silybum marianum Blessed milkthistle, Milk thistle

invasive non-native
limited

Annual, Perennial herb

Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard

non-native

Annual herb

Sisymbrium officinale Hedge mustard, Hedgemustard

non-native

Annual herb

Sisyrinchium bellum Western blue eyed grass

native

Perennial herb

IRIDACEAE

Solanum douglasii Douglas' nightshade, Greenspot nightshade

native

Perennial herb

SOLANACEAE

Solanum umbelliferum var. xanti Purple nightshade

native

Shrub

SOLANACEAE

Sonchus asper ssp. asper Prickly sow thistle, Sow thistle

non-native

Annual herb

Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle

non-native

Annual herb

Spergularia bocconi Boccone's sand spurry

non-native

Annual herb

Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry

non-native

Annual, 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 media Chickweed

non-native

Annual herb

Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed

native

Annual herb

Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster

native

Perennial herb

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

native

Annual herb

Stephanomeria exigua ssp. carotifera White plume stephanomeria, Whiteplume wirelettuce

native

Perennial herb

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

native

Annual herb

Stipa lepida Foothill needle grass

native

Perennial grass

Stipa miliacea var. miliacea Smilo grass

invasive non-native
limited

Perennial grass

Stipa pulchra Purple needle grass

native

Perennial grass

Streptanthus glandulosus ssp. glandulosus Bristly jewelflower

native

Annual herb

Streptanthus glandulosus ssp. glandulosus

Symphoricarpos mollis Creeping snowberry, Trailing snowberry

native

Shrub

Taraxacum officinale Common dandelion

non-native

Perennial herb

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

native

Perennial herb

Thermopsis californica var. californica California goldenbanner

native

Perennial herb (rhizomatous)

Thysanocarpus curvipes ssp. curvipes Fringe Pod

native

Annual herb

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

native

Annual herb

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

invasive non-native
moderate

Annual herb

Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak

native

Vine, Shrub

ANACARDIACEAE

Toxicoscordion fremontii Star lily, Death Camas

native

Perennial herb

MELANTHIACEAE

Tragopogon porrifolius Purple salsify

non-native

Perennial herb

Trichostema lanatum Woolly bluecurls

native

Shrub

Trifolium bifidum var. decipiens Notch leaf clover

native

Annual herb

Trifolium depauperatum var. truncatum Dwarf sack clover

native

Annual herb

Trifolium hirtum Rose clover

invasive non-native
limited

Annual herb

Trifolium microcephalum Hairy clover, Small headed clover

native

Annual herb

Trifolium willdenovii Tomcat clover

native

Annual herb

Triodanis biflora Venus looking glass, Venus' looking glass

native

Annual herb

CAMPANULACEAE

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

native

Tree

LAURACEAE

Uropappus lindleyi Silver puffs, Uropappus

native

Annual herb

Vicia americana ssp. americana American vetch

native

Perennial herb, Vine

Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch

non-native

Annual herb, Vine

Vinca major Greater periwinkle, Bigleaf periwinkle

invasive non-native
moderate

Perennial herb

Yabea microcarpa California hedge parsley, False carrot

native

Annual herb