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
4.3

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
moderate

Annual grass

Avena fatua Wild oat, Wildoat

invasive non-native
moderate

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

Shrub

Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass

invasive non-native
limited

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
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 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
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

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

rare native
4.2

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
moderate

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
1B.2

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
watch (high risk)

Perennial grass

Centaurea calcitrapa Purple starthistle, Purple star thistle, Red star thistle

invasive non-native
moderate

Annual, Perennial herb

Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote

invasive non-native
moderate

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
watch (high risk)

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
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

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
1B.2

Perennial herb

Cirsium vulgare Bull thistle

invasive non-native
moderate

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
moderate

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 (hemiparasitic)

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, Pampasgrass

invasive non-native
high

Perennial grass

Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster

invasive non-native
moderate

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
moderate

Perennial grass

Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass

invasive non-native
moderate

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
limited

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
high

Perennial herb

Delphinium californicum ssp. californicum California larkspur

native

Perennial herb

Delphinium californicum ssp. californicum

Delphinium parryi ssp. eastwoodiae Eastwood's larkspur

rare native
1B.2

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
moderate

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
1B.1

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
high

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
limited

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
limited

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
moderate

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
moderate

Annual grass

Festuca perennis Italian rye grass

invasive non-native
moderate

Annual, Perennial grass

Festuca temulenta Darnel, tares

non-native

Annual grass

Foeniculum vulgare Biscuit root, Sweet fennel

invasive non-native
moderate

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
1B.2

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
high

Shrub

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

invasive non-native
limited

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
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

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
moderate

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
limited

Annual herb

Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear

invasive non-native
moderate

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
watch (high risk)

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
4.2

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
moderate

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
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 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
1B.2

Perennial herb (rhizomatous)

Monardella villosa ssp. obispoensis San luis obispo coyote mint

native

Perennial herb

Myoporum laetum Lollypop tree, Ngaio tree

invasive non-native
moderate

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
moderate

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
moderate

Perennial grass

Phalaris californica California canarygrass, Canarygrass

native

Perennial grass

Phoenix canariensis Canary island date palm

invasive non-native
limited

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
limited

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
limited

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
moderate

Perennial herb

Rumex conglomeratus Clustered dock, Green dock

non-native

Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

invasive non-native
limited

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
4.3

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
limited

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
limited

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, 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

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
moderate

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 Star lily, 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
limited

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