Illustrated Plant List

Achyrachaena mollis Blow-Wives

native
Annual 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 glaber var. glaber Deerweed

native
Perennial herb

Acmispon junceus var. junceus Rush lotus

native
Perennial herb

Acmispon parviflorus Hill lotus

native
Annual herb

Acourtia microcephala Sacapellote

native
Perennial herb

Adelinia grandis Hound's tongue, Western houndstongue, Adelinia

native
Perennial herb

BORAGINACEAE

Adenostoma fasciculatum var. fasciculatum Chamise

native
Tree, Shrub

Adenostoma fasciculatum var. fasciculatum

Adiantum jordanii Adiantum, maiden hair fern

native
Fern

PTERIDACEAE

Agoseris grandiflora var. grandiflora Giant mountain dandelion

native
Perennial herb

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

native
Perennial grass

Agrostis exarata Spike bentgrass, Spike redtop

native
Perennial grass

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

native
Perennial grass

Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass

• invasive non-native
Annual grass

Amaryllis belladonna Belladonna lily

non-native
Perennial herb

AMARYLLIDACEAE

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

• invasive non-native
Annual herb

Aphanes occidentalis Western lady's mantle

native
Annual, Perennial herb

Apocynum cannabinum Indian hemp, Indianhemp dogbane, HEMP DOGBANE

native
Perennial herb

APOCYNACEAE

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

native
Perennial herb

Arctostaphylos obispoensis Bishop manzanita, Serpentine manzanita

• rare native
Shrub

ERICACEAE

Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush

native
Shrub

Artemisia douglasiana California mugwort, Douglas' sagewort

native
Perennial herb

Avena barbata Slender oat, Slim oat

• invasive non-native
Annual grass

Avena fatua Wild oat, Wildoat

• invasive non-native
Annual grass

Baccharis glutinosa Douglas' baccharis, Salt marsh baccharis

native
Perennial herb

Baccharis pilularis Coyote brush, Dwarf chaparral broom

native
Shrub

Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress

native
Perennial herb

Barbarea verna Early winter cress, Early wintercress, Scurvy grass

non-native
Perennial herb

Bloomeria crocea var. crocea Common goldenstar

native
Perennial herb

THEMIDACEAE

Brachypodium hybridum Small Tree-Mallow

Brickellia californica Brickell bush, California brickellbush, California brickellia

native
Perennial herb

Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass

• invasive non-native
Annual grass

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

non-native
Annual grass

Bromus carinatus var. carinatus California brome, Mountain brome

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

non-native
Annual grass

Bromus pseudolaevipes Coast range brome, Southern chinook brome

native
Perennial grass

Bromus rubens Red brome

• invasive non-native
Annual grass

Calandrinia menziesii red maids, Calandrinia

native
Annual herb

Calochortus albus White fairy lantern, White globe lily

native
Perennial herb

Calochortus argillosus Clay mariposa lily

native
Perennial herb (bulb)

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

• rare native
Perennial herb (bulb)

Calochortus obispoensis San luis mariposa lily

• rare native
Perennial herb (bulb)

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

native
Perennial herb, Vine

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

• rare native
Perennial herb (rhizomatous)

Cardamine californica California toothwort, milkmaids

native
Perennial herb

Cardamine hirsuta Hairy bitter cress, Hairy bittercress

non-native
Annual herb

Cardamine oligosperma Bitter cress, Idaho bittercress

native
Annual, Perennial herb

Carduus pycnocephalus Italian thistle

• invasive non-native
Annual herb

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

native
Perennial grasslike herb

Carex obispoensis San Luis Obispo sedge, San Luis sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex serratodens Bifid sedge, Two tooth sedge

native
Perennial grasslike herb

Castilleja affinis ssp. affinis Coast indian paintbrush

native
Perennial herb

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

native
Annual herb

Ceanothus cuneatus var. ramulosus Buck brush

native
Shrub

Ceanothus papillosus warty-leaf ceanothus, Wartleaf ceanothus

native
Shrub

Ceanothus spinosus Greenbark ceanothus, Redheart

native
Tree, Shrub

Cenchrus longisetus Feathertop

• invasive non-native
Perennial grass

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

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native
Annual herb

Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany

native
Tree, Shrub

Chasmanthe floribunda African cornflag, Chasmanthe

• invasive non-native
Perennial herb

IRIDACEAE

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
Perennial herb

Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower

• rare native
Annual herb

Chorizanthe palmeri Palmer's spineflower

• rare native
Annual herb

Cichorium intybus Chicory

non-native
Perennial herb

Cirsium brevistylum Clustered thistle, Indian thistle

native
Perennial herb

Cirsium fontinale var. obispoense Chorro creek bog thistle

• rare native
Perennial herb

Cirsium vulgare Bull thistle

• invasive non-native
Perennial herb

Clarkia bottae Botta's clarkia, Punch bowl 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. viridis Green miner's lettuce, Streambank springbeauty

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

Collinsia heterophylla Purple chinese houses

native
Annual herb

Conium maculatum Poison hemlock

• invasive non-native
Perennial herb

Convolvulus arvensis Field bindweed, Orchard morningglory

• invasive non-native
Perennial herb, Vine

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

native
Annual herb

Corethrogyne filaginifolia Common sandaster

native
Perennial herb

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

native
Shrub

CORNACEAE

Cortaderia jubata Pampas grass, Purple pampas grass

• invasive non-native
Perennial grass

Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster

• invasive non-native
Shrub

Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed

native
Annual herb

Crassula tillaea Mediterranean pygmy weed, Moss pygmyweed

non-native
Annual herb

Croton setiger Turkey-mullein

native
Annual herb

Cryptantha clevelandii var. florosa Coastal cryptantha

native
Annual herb

BORAGINACEAE

Cuscuta subinclusa Canyon dodder

native
Annual herb, Vine (parasitic)

Cynodon dactylon Bermuda grass, Bermudagrass

• invasive non-native
Perennial grass

Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass

• invasive non-native
Annual grass

Cyperus eragrostis Tall cyperus, Tall flatsedge

native
Perennial grasslike herb

Cyperus involucratus Umbrella plant, Unbrella plant

non-native
Perennial grasslike herb

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 ssp. californicum California larkspur

native
Perennial herb

Delphinium californicum ssp. californicum

Delphinium parryi ssp. eastwoodiae Eastwood's larkspur

• rare native
Perennial herb

Deschampsia danthonioides Annual hairgrass

native
Annual grass

Deschampsia elongata Hairgrass, Slender hairgrass

native
Perennial grass

Dimorphotheca sinuata African daisy, Cape marigold, Glandular cape marigold

• invasive non-native
Annual herb

Diplacus aurantiacus var. aurantiacus Orange Bush Monkeyflower

native
Shrub

PHRYMACEAE

Dipsacus sativus Fuller's teasel, Indian teasel

• invasive non-native
Annual, Biennial herb

DIPSACACEAE

Dipterostemon capitatus ssp. capitatus Blue dicks

native
Perennial herb

THEMIDACEAE

Drymocallis glandulosa var. glandulosa Sticky cinquefoil

native
Perennial 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

DRYOPTERIDACEAE

Dudleya abramsii ssp. murina San Luis Obispo dudleya

• rare native
Perennial herb

Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya

native
Perennial herb

Dudleya pulverulenta Chalk dudleya

native
Perennial herb

Ehrharta calycina Perennial veldt grass, Perennial veldtgrass

• invasive non-native
Perennial grass

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

Elymus trachycaulus ssp. trachycaulus Slender wheatgrass

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 minutum Chaparral willowherb, Desert willow herb, Little willowherb

native
Annual herb

Epipactis gigantea Giant helleborine, Chatterbox orchid, Stream orchid

native
Perennial herb

ORCHIDACEAE

Equisetum hyemale ssp. affine Giant scouring rush

native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail

native
Fern

EQUISETACEAE

Eriogonum elongatum var. elongatum Long stemmed buckwheat

native
Perennial herb

Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat

native
Shrub

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
Annual herb

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

• invasive non-native
Annual 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 californica California poppy

native
Annual, Perennial herb

PAPAVERACEAE

Eucalyptus globulus Blue gum, Tasmanian bluegum

• invasive non-native
Tree

MYRTACEAE

Euphorbia maculata Spotted spurge

non-native
Annual herb

Euphorbia peplus Petty spurge

non-native
Annual herb

Euphorbia spathulata Reticulate seeded spurge, Warty spurge

native
Annual herb

Eurybia radulina Roughleaf aster

native
Perennial herb

Festuca arundinacea Alta fescue, Reed fescue, Tall fescue

• invasive non-native
Perennial grass

Festuca bromoides Brome fescue

non-native
Annual grass

Festuca californica California fescue

native
Perennial grass

Festuca elmeri Coast fescue, Elmer fescue

native
Perennial grass

Festuca microstachys Small fescue

native
Annual grass

Festuca myuros Rattail sixweeks grass

• invasive non-native
Annual grass

Festuca perennis Italian rye grass

• invasive non-native
Annual, Perennial grass

Festuca temulenta Darnel, tares

non-native
Annual grass

Foeniculum vulgare Biscuit root, Sweet fennel

• invasive non-native
Perennial herb

Frangula californica ssp. californica California coffeeberry

native
Shrub

Fritillaria affinis Checker lily, Mission bells

native
Perennial herb (bulb)

Fritillaria biflora var. biflora Chocolate lily

native
Perennial herb (bulb)

Fritillaria ojaiensis Ojai fritillary

• rare native
Perennial herb (bulb)

Galium andrewsii Needlemat galium, Phlox leaved bedstraw, Phloxleaf bedstraw

native
Perennial herb

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

native
Perennial herb

Galium aparine Cleavers, Common bedstraw, Goose grass

native
Annual herb

Galium californicum ssp. californicum California bedstraw

native
Perennial herb

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

native
Vine, Shrub

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

Genista monspessulana French broom

• invasive non-native
Shrub

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

• invasive non-native
Annual herb

Gilia achilleifolia ssp. achilleifolia California gilia

native
Annual herb

POLEMONIACEAE

Grindelia hirsutula Gumweed, Hairy gumweed

native
Perennial herb

Hainardia cylindrica Barbgrass, Monerma, Thin tail

non-native
Annual grass

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

native
Shrub

Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush

native
Shrub

Hedypnois rhagadioloides Crete weed

non-native
Annual herb

Helenium bigelovii Bigelow's sneezeweed, Sneezeweed

native
Perennial herb

Helenium puberulum Rosilla, Sneezeweed

native
Perennial herb

Helminthotheca echioides Bristly ox-tongue

• invasive non-native
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

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

native
Annual herb

LINACEAE

Hesperoyucca whipplei Chaparral yucca

native
Shrub

AGAVACEAE

Heteranthemis viscidihirta Sand chrysanthemum

non-native
Annual herb

Heteromeles arbutifolia Christmas berry, Toyon

native
Shrub

Heterotheca grandiflora Telegraph weed, Telegraphweed

native
Annual, 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

Holodiscus discolor Cream bush, Ocean spray, Oceanspray

native
Shrub

Hordeum brachyantherum ssp. brachyantherum Meadow barley

native
Perennial grass

Hordeum brachyantherum ssp. brachyantherum

Hordeum marinum subsp gussoneanum Small Tree-Mallow

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

non-native
Annual grass

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

Isolepis cernua Low bulrush

native
Annual grasslike herb

Juglans hindsii Northern california black walnut

• rare native
Tree

JUGLANDACEAE

Juncus effusus ssp. pacificus Pacific rush

native
Perennial grasslike herb

JUNCACEAE

Juncus patens Common rush, Spreading rush

native
Perennial grasslike herb

JUNCACEAE

Keckiella cordifolia Climbing penstemon, Heart leaved keckiella, Heartleaf keckiella

native
Shrub

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

Lagophylla ramosissima Branched lagophylla, Common hareleaf

native
Annual herb

Lasthenia gracilis Needle goldfields

native
Annual herb

Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea

non-native
Perennial herb

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

native
Perennial herb

Lemna minor Smaller duckweed

native
Perennial herb

ARACEAE

Leontodon saxatilis Hawkbit

non-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

Lepidospartum squamatum California broomsage, California broomshrub, Scale broom

native
Shrub

Lilium pardalinum ssp. pardalinum Leopard lily

native
Perennial herb

Lithophragma affine Common woodland star, San Francisco woodland star

native
Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum Hill star, Hillside woodland star

native
Perennial herb

SAXIFRAGACEAE

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 parvifolium Coastal biscuitroot, Small leaved lomatium

• rare native
Perennial herb

Lonicera hispidula Pink honeysuckle

native
Vine, Shrub

CAPRIFOLIACEAE

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

• invasive non-native
Perennial herb

Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine

native
Annual, Perennial herb

Lupinus hirsutissimus Stinging annual lupine, Stinging lupine

native
Annual 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 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

Lythrum hyssopifolia Hyssop loosestrife

• invasive non-native
Annual, Perennial herb

LYTHRACEAE

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

Maianthemum stellatum Starry false lily of the valley

native
Perennial herb

RUSCACEAE

Marah fabacea California man-root

native
Perennial herb, Vine

CUCURBITACEAE

Matricaria discoidea Pineapple weed

native
Annual herb

Medicago lupulina Black medick

non-native
Annual, Perennial herb

Medicago polymorpha Bur clover, Bur medic, California burclover

• invasive non-native
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 indicus Annual yellow sweetclover, Sourclover

non-native
Annual herb

Mentha suaveolens Apple mint

non-native
Perennial herb

Micranthes californica Greene's saxifrage

native
Perennial herb

SAXIFRAGACEAE

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

native
Annual herb

Monardella palmeri Palmer's monardella

• rare native
Perennial herb (rhizomatous)

Monardella villosa ssp. obispoensis San luis obispo coyote mint

native
Perennial herb

Myoporum laetum Lollypop tree, Ngaio tree

• invasive non-native
Tree, Shrub

SCROPHULARIACEAE

Navarretia mellita Honeyscented pincushionplant, Skunk navarretia

native
Annual herb

POLEMONIACEAE

Oemleria cerasiformis Indian plum, Oso berry

native
Shrub

Osmorhiza berteroi Sweet cicely

native
Perennial herb

Oxalis pes-caprae Bermuda buttercup, Sourgrass

• invasive non-native
Perennial herb

OXALIDACEAE

Paeonia californica California peony

native
Perennial herb

PAEONIACEAE

Papaver somniferum Opium poppy

non-native
Annual herb

PAPAVERACEAE

Pellaea andromedifolia Coffee cliffbrake, Coffee fern

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis Gold back fern

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis

Perideridia kelloggii Kellogg's yampah, Yampah

native
Perennial herb

Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope

native
Annual herb

HYDROPHYLLACEAE

Phacelia imbricata ssp. imbricata Imbricate Phacelia

native
Annual herb

HYDROPHYLLACEAE

Phalaris aquatica Bulbous canarygrass, Harding grass

• invasive non-native
Perennial grass

Phalaris californica California canarygrass, Canarygrass

native
Perennial grass

Phoenix canariensis Canary island date palm

• invasive non-native
Tree

ARECACEAE

Pickeringia montana var. montana Montana chaparral pea

native
Shrub

Pinus coulteri Big cone pine, Bull pine, Coulter pine

native
Tree

PINACEAE

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

native
Annual herb

BORAGINACEAE

Plantago erecta California plantain, Dotseed plantain, Foothill plantain

native
Annual herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

• invasive non-native
Perennial herb

Platanus racemosa California sycamore, Western sycamore

native
Tree

PLATANACEAE

Platystemon californicus Cream cups, Creamcups

native
Annual herb

PAPAVERACEAE

Plectritis congesta ssp. brachystemon Shortspur seablush

native
Annual herb

VALERIANACEAE

Poa annua Annual blue grass, Annual bluegrass

non-native
Annual grass

Pogogyne douglasii Douglas' mesamint, Douglas' pogogyne

native
Annual herb

Pogogyne serpylloides Thyme leaf mesa mint, Thymeleaf mesamint

native
Annual herb

Polycarpon tetraphyllum Four leaved all seed, Four leaved allseed, Four leaved polycarp

non-native
Annual herb

Polygonum aviculare Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum aviculare ssp. aviculare Prostrate knotweed

non-native
Annual, Perennial herb

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
Annual grass

Polypogon viridis Water beard grass

non-native
Perennial grass

Populus fremontii ssp. fremontii Fremont cottonwood

native
Tree

Populus trichocarpa Black cottonwood

native
Tree

Poterium sanguisorba var. polygamum Garden burnet

non-native
Perennial herb

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 biolettii Two-color rabbit-tobacco

native
Perennial herb

Pseudognaphalium californicum Ladies' tobacco

native
Annual, Perennial herb

Pseudognaphalium luteoalbum Jersey cudweed

non-native
Annual herb

Pseudognaphalium ramosissimum Pink cudweed

native
Annual, Biennial 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, Woodland threadstem

native
Annual herb

Quercus agrifolia var. agrifolia California live oak, Coast live oak

native
Tree

FAGACEAE

Quercus durata var. durata Leather oak

native
Shrub

FAGACEAE

Ranunculus californicus California buttercup

native
Perennial herb

Rhamnus crocea Redberry buckthorn

native
Shrub

Ribes malvaceum var. indecorum White flowering currant, Whiteflower currant

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

Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry

native
Shrub

Rosa californica California wild rose, California wildrose

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
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 pulcher Fiddle dock

non-native
Perennial herb

Rupertia physodes California tea, Common rupertia, Forest scurfpea

native
Perennial herb

Sabulina douglasii Douglas' Stitchwort

native
Annual herb

Salix breweri Brewer's willow, Serpentine willow

native
Shrub

Salix lasiandra var. lasiandra Pacific willow

native
Tree

Salix lasiolepis Arroyo willow

native
Tree, Shrub

Salvia columbariae Chia sage

native
Annual herb

Salvia mellifera Black sage

native
Shrub

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
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

Scrophularia californica ssp. californica California bee plant, California figwort

native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. californica

Scrophularia californica ssp. floribunda California bee plant, California figwort

native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. floribunda

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

non-native
Annual herb

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

Silybum marianum Blessed milkthistle, Milk thistle

• invasive non-native
Annual, Perennial 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 Blue witch nightshade, Bluewitch nightshade

native
Shrub

SOLANACEAE

Solidago velutina ssp. californica California goldenrod, Oreja de liebre

native
Perennial herb

Soliva sessilis Common soliva, Field burrweed, South american soliva

non-native
Annual herb

Sonchus asper ssp. asper Prickly sow thistle, Sow thistle

• invasive non-native
Annual herb

Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle

non-native
Annual herb

Sorghum bicolor Sorghum

non-native
Annual grass

Spergula arvensis Corn 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

Stipa lepida Foothill needle grass

native
Perennial grass

Stipa miliacea var. miliacea Smilo grass

• invasive non-native
Perennial grass

Stipa pulchra Purple needle grass

native
Perennial grass

Streptanthus glandulosus ssp. glandulosus Bristly jewelflower

native
Annual herb

Streptanthus glandulosus ssp. glandulosus

Streptanthus lasiophyllus Small Tree-Mallow

Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry

native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis Creeping snowberry, Trailing snowberry

native
Shrub

CAPRIFOLIACEAE

Symphyotrichum chilense California aster, Pacific aster

native
Perennial herb

Symphyotrichum subspicatum Douglas aster

native
Annual herb

Tanacetum parthenium Feverfew

non-native
Perennial herb

Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion

• invasive non-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)

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

• invasive non-native
Annual herb

Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley

non-native
Annual herb

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

MELANTHIACEAE

Tragopogon porrifolius Purple salsify

non-native
Perennial herb

Trifolium bifidum var. decipiens Notch leaf clover

native
Annual herb

Trifolium depauperatum var. truncatum Dwarf sack clover

native
Annual herb

Trifolium fucatum Bull clover, Sour clover

native
Annual herb

Trifolium hirtum Rose clover

• invasive non-native
Annual herb

Trifolium microcephalum Hairy clover, Small headed clover

native
Annual herb

Trifolium willdenovii Tomcat clover

native
Annual herb

Triphysaria eriantha ssp. eriantha Butter 'n' eggs, Johnny tuck

native
Annual herb

Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum

native
Perennial grass

Turritis glabra Tower rockcress

native
Perennial herb

Typha domingensis Narrowleaf cattail, Southern cattail

native
Perennial herb

TYPHACEAE

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

native
Tree

LAURACEAE

Uropappus lindleyi Silver puffs, Uropappus

native
Annual herb

Verbena lasiostachys var. lasiostachys Vervain, Western vervain

native
Perennial herb

VERBENACEAE

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

Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch

non-native
Annual herb, Vine