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 strigosus Strigose lotus

native
Annual herb

Acmispon wrangelianus Wrangel lotus

native
Annual herb

Acourtia microcephala Sacapellote

native
Perennial herb

Adenostoma fasciculatum. var. prostratum Small Tree-Mallow

Agoseris heterophylla var. cryptopleura Mountain dandelion

native
Annual herb

Agoseris heterophylla var. heterophylla Annual agoseris

native
Annual herb

Amaranthus albus Pigweed amaranth, Tumbleweed

non-native
Annual herb

AMARANTHACEAE

Amaranthus californicus California amaranth, California pigweed

native
Annual herb

AMARANTHACEAE

Amaranthus retroflexus Green amaranth, Red root pigweed, Red rooted amaranth

non-native
Annual herb

AMARANTHACEAE

Ambrosia acanthicarpa Annual bursage, Annual burweed

native
Annual herb

Amsinckia intermedia Common fiddleneck

native
Annual herb

Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck

native
Annual herb

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

native
Annual herb

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

native
Annual herb

Ancistrocarphus filagineus False neststraw, Woolly fishhooks

native
Annual herb

Aphanes occidentalis Western lady's mantle

native
Annual, Perennial herb

ROSACEAE

Aphyllon californicum ssp. condensum California broomrape

native
Perennial herb (parasitic)

Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley

native
Annual herb

Arctostaphylos glauca Big berry manzanita, Bigberry manzanita

native
Tree, Shrub

ERICACEAE

Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush

native
Shrub

Artemisia douglasiana California mugwort, Douglas' sagewort

native
Perennial herb

Asclepias fascicularis Narrow leaf milkweed

native
Perennial herb

APOCYNACEAE

Asclepias vestita Milkweed, Woolly milkweed

native
Perennial herb

APOCYNACEAE

Astragalus asymmetricus San joaquin milk vetch, San joaquin milkvetch

native
Perennial herb

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

native
Annual herb

Astragalus didymocarpus var. didymocarpus

Astragalus douglasii var. douglasii Douglas's milkvetch

native
Perennial herb

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

native
Annual herb

Astragalus macrodon Salinas milk vetch, Salinas milkvetch

• rare native
Perennial herb

Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus

native
Annual herb

Atriplex canescens var. canescens Fourwing saltbush

native
Shrub

Atriplex rosea Redscale, Tumbling oracle, Tumbling saltweed

non-native
Annual herb

Avena barbata Slender oat, Slim oat

• invasive non-native
Annual grass

Avena fatua Wild oat, Wildoat

• invasive non-native
Annual grass

Avena sativa Common oats, Cultivated oats, Wild oat

non-native
Annual, Perennial grass

Baccharis salicifolia Mule fat., seep willow, Mule's fat, Mulefat

native
Shrub

Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress

native
Perennial herb

Blennosperma nanum var. nanum Common blennosperma, Common stickyseed

native
Annual herb

Blitum californicum Small Tree-Mallow

Bowlesia incana Hoary bowlesia

native
Annual herb

Brodiaea terrestris ssp. terrestris Dwarf brodiaea

native
Perennial herb

THEMIDACEAE

Bromus arenarius Australian brome, Australian chess

non-native
Annual grass

Bromus berteroanus Chilean chess

non-native
Annual 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 rubens Red brome

• invasive non-native
Annual grass

Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess

• invasive non-native
Annual grass

Calandrinia menziesii red maids, Calandrinia

native
Annual herb

California macrophylla Round leaved filaree

native
Annual herb

Callitriche marginata California water starwort, Winged water starwort

native
Annual herb (aquatic)

Calochortus simulans San luis obispo mariposa lily

• rare native
Perennial herb (bulb)

LILIACEAE

Calochortus splendens Splendid mariposa lily

native
Perennial herb

LILIACEAE

Calyptridium monandrum Common pussypaws, Pussy paws

native
Annual herb

Camissonia campestris ssp. campestris Field sun cup, Mojave suncup

native
Annual herb

Camissoniopsis hirtella Hairy sun cup

native
Annual herb

Camissoniopsis micrantha Spencer primrose

native
Annual herb

Capsella bursa-pastoris Shepherd's purse

non-native
Annual herb

Cardamine oligosperma Bitter cress, Idaho bittercress

native
Annual, Perennial herb

Carex praegracilis Clustered field sedge, Field sedge

native
Perennial grasslike herb

Castilleja attenuata Narrow leaved owl's clover, Valley tassels

native
Annual herb

Castilleja brevistyla Short style owl's clover, Shortstyle indian paintbrush

native
Annual herb

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

native
Annual herb

Castilleja exserta var. exserta Exserted indian paintbrush, Pale purple owlclover, Purple owl's clover

native
Annual herb

Castilleja foliolosa Texas paintbrush, Woolly indian paintbrush

native
Perennial herb

Castilleja subinclusa var. jepsonii Franciscan paint brush, Longleaf indian paintbrush

native
Perennial herb

Ceanothus cuneatus var. cuneatus Buck brush, Buckbrush

native
Shrub

RHAMNACEAE

Centaurea cyanus Garden cornflower

non-native
Annual herb

Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote

• invasive non-native
Annual herb

Centromadia pungens ssp. pungens Common tarweed

native
Annual herb

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native
Annual herb

Chaenactis glabriuscula var. glabriuscula Common yellow chaenactis, Yellow pincushion

native
Annual herb

Chaenactis glabriuscula var. glabriuscula

Chaenactis glabriuscula var. lanosa Pincushion flower, Woolly yellow chaenactis

native
Annual herb

Chaenactis xantiana Fleshcolor pincushion, Xantus pincushion, Xantus' chaenactis

native
Annual herb

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

non-native
Annual herb

Chenopodium berlandieri Berlandier's goosefoot, Pit seed goosefoot

native
Annual herb

Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant

native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum

Chorizanthe biloba var. biloba Two lobed spineflower, Twolobe spineflower

native
Annual herb

Chorizanthe douglasii Douglas's spineflower, San benito spineflower

• rare native
Annual herb

Chorizanthe staticoides Turkish rugging

native
Annual herb

Chorizanthe uniaristata One awn spineflower, Oneawn spineflower

native
Annual herb

Chorizanthe xanti var. xanti Riverside spineflower, Xantus' spineflower

native
Annual herb

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

native
Perennial herb

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

native
Perennial herb

Clarkia affinis Chaparral clarkia, Chaparral fairyfan

native
Annual herb

Clarkia cylindrica ssp. cylindrica Speckled clarkia

native
Annual herb

Clarkia purpurea ssp. purpurea Purple clarkia, Winecup clarkia

native
Annual herb

Clarkia speciosa ssp. speciosa Red spot clarkia, Redspot clarkia

native
Annual herb

Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia

native
Annual herb

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

native
Annual herb

Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce

native
Annual herb

Collinsia bartsiifolia var. davidsonii Davidson's blue eyed mary, Davidson's collinsia

native
Annual herb

Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed

native
Annual herb

CRASSULACEAE

Crassula tillaea Mediterranean pygmy weed, Moss pygmyweed

non-native
Annual herb

CRASSULACEAE

Croton setiger Turkey-mullein

native
Annual herb

EUPHORBIACEAE

Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass

non-native
Annual grass

Cryptantha corollata Coast range cryptantha

native
Annual herb

Cryptantha flaccida Beaked cryptantha, Flaccid cryptantha, Weakstem cryptantha

native
Annual herb

Cryptantha intermedia var. intermedia Common cryptantha

native
Annual herb

Cryptantha juniperensis Rigid cryptantha

native
Annual herb

Cryptantha microstachys Popcorn flower, Tejon cryptantha

native
Annual herb

Cryptantha muricata var. jonesii Jones' cryptantha

native
Annual herb

Cryptantha nemaclada Colusa cryptantha

native
Annual herb

Cryptantha oxygona Sharp nut cryptantha, Sharpnut cryptantha

native
Annual herb

Cucurbita palmata Coyote gourd, Coyote melon

native
Annual, Perennial herb

CUCURBITACEAE

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

native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cynodon dactylon Bermuda grass, Bermudagrass

• invasive non-native
Perennial grass

Cyperus eragrostis Tall cyperus, Tall flatsedge

native
Perennial grasslike herb

Datisca glomerata Durango root

native
Perennial herb

DATISCACEAE

Datura wrightii Jimsonweed, Sacred thorn apple, Toluaca

native
Perennial herb

SOLANACEAE

Daucus pusillus American wild carrot, Rattlesnake weed

native
Annual herb

Deinandra paniculata Paniculate tarplant, San Diego tarweed

• rare native
Annual herb

Deinandra pentactis Salinas river tarweed

native
Annual herb

Delphinium gypsophilum Gypsum loving larkspur, Pinoche creek larkspur

native
Perennial herb

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

native
Perennial herb

Delphinium variegatum ssp. variegatum Royal larkspur

native
Perennial herb

Deschampsia danthonioides Annual hairgrass

native
Annual grass

Descurainia pinnata ssp. brachycarpa Western tansymustard

native
Annual herb

Diplacus fremontii Fremont's monkeyflower

native
Annual herb

Dipterostemon capitatus ssp. capitatus Blue dicks

native
Perennial herb

THEMIDACEAE

Distichlis spicata Inland saltgrass, Salt grass, Saltgrass

native
Perennial grass

Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass

non-native
Annual grass

Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush

native
Perennial grasslike herb

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

native
Perennial grasslike herb

Eleusine tristachya Three spiked goosegrass, Threespike goosegrass

non-native
Annual grass

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

native
Perennial grass

Elymus triticoides Beardless wild rye

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 canum ssp. canum California fuchsia, Hummingbird trumpet

native
Perennial herb

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

native
Annual herb

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

native
Annual herb

Eragrostis pectinacea var. pectinacea Tufted lovegrass

native
Annual grass

Eremalche parryi ssp. parryi Parry's mallow

native
Annual herb

MALVACEAE

Eremothera boothii ssp. decorticans Shredding evening-primrose

native
Annual herb

Eriastrum calocyanum pretty blue woolly star

native
Annual herb

Eriastrum densifolium ssp. densifolium Giant eriastrum

native
Perennial herb

Eriastrum pluriflorum ssp. pluriflorum Many-flowered eriastrum

native
Annual herb

Ericameria linearifolia Interior goldenbush, Linear leaved goldenbush, Narrowleaf goldenbush

native
Shrub

Erigeron bonariensis Flax-leaved horseweed

non-native
Annual herb

Erigeron canadensis Canada horseweed

native
Annual herb

Erigeron foliosus var. stenophyllus Leafy fleabane, Thread stemmed fleabane

native
Perennial herb, Shrub

Eriodictyon tomentosum Woolly yerba santa

native
Shrub

NAMACEAE

Eriogonum angulosum Angled stem buckwheat, Anglestem buckwheat

native
Annual herb

Eriogonum baileyi var. baileyi Bailey's buckwheat

native
Annual herb

Eriogonum cithariforme 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 gracile Slender buckwheat, Slender woolly buckwheat

native
Annual herb

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

native
Annual herb

Eriogonum roseum Wand buckwheat

native
Annual herb

Eriogonum viridescens Bright green buckwheat, Twotooth buckwheat

native
Annual herb

Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow

native
Shrub

Eriophyllum confertiflorum var. confertiflorum

Eriophyllum multicaule Branched woolly sunflower, Many stemmed eriophyllum, Manystem woolly sunflower

native
Annual herb

Eriophyllum pringlei Pringle eriophyllum, Pringle's woolly sunflower

native
Annual herb

Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill

• invasive 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

Erodium texanum Desert heron's bill, Texas filaree, Texas stork's bill

native
Annual herb

Eryngium spinosepalum Spiny sepaled button celery, Spinysepal eryngo

• rare native
Annual, Perennial herb

Erythranthe cardinalis Cardinal monkey flower

native
Perennial herb

Erythranthe floribunda Many flowered monkeyflower

native
Annual herb

Erythranthe guttata Seep monkey flower, Yellow monkey flower

native
Annual, Perennial herb (rhizomatous)

Erythranthe latidens Broad toothed monkeyflower

native
Annual herb

Erythranthe microphylla Small leaved monkeyflower

• rare native
Annual herb

Erythranthe nasuta

native
Perennial herb

Eschscholzia californica California poppy

native
Annual, Perennial herb

Eschscholzia lemmonii ssp. lemmonii Lemmon's poppy

native
Annual herb

Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed

native
Annual herb

Eucrypta chrysanthemifolia var. chrysanthemifolia

Eulobus californicus California primrose

native
Annual herb

Euphorbia ocellata Contura creek spurge

native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata Reticulate seeded spurge, Warty spurge

native
Annual herb

EUPHORBIACEAE

Festuca bromoides Brome fescue

non-native
Annual 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

Fritillaria affinis Checker lily, Mission bells

native
Perennial herb (bulb)

LILIACEAE

Galium andrewsii Needlemat galium, Phlox leaved bedstraw, Phloxleaf bedstraw

native
Perennial herb

RUBIACEAE

Galium aparine Cleavers, Common bedstraw, Goose grass

native
Annual herb

RUBIACEAE

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

native
Vine, Shrub

RUBIACEAE

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

• invasive non-native
Annual herb

Gilia achilleifolia ssp. achilleifolia California gilia

native
Annual herb

Gilia austro-occidentalis Southwestern gilia

native
Annual herb

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

native
Annual herb

Gilia ochroleuca ssp. minima Volcanic gilia

native
Annual herb

Gilia tenuiflora ssp. amplifaucalis Greater yellowthroat gilia, Spreading slender flowered gilia

• rare native
Annual herb

Gilia tenuiflora ssp. tenuiflora Greater yellowthroat gilia, Slender flowered gilia

native
Annual herb

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

native
Annual herb

Glycyrrhiza lepidota American licorice, Lichorice, Wild licorice

native
Perennial herb

Gnaphalium palustre Lowland cudweed, Western marsh cudweed

native
Annual herb

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

native
Perennial herb, Shrub

Helianthus gracilentus Slender sunflower

native
Perennial herb

Herniaria hirsuta var. cinerea Herniaria

non-native
Annual herb

Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle

native
Annual herb

URTICACEAE

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

native
Annual herb

LINACEAE

Hesperomecon linearis Narrowleaf queen poppy

native
Annual herb

Hesperoyucca whipplei Chaparral yucca

native
Shrub

AGAVACEAE

Heterotheca grandiflora Telegraph weed, Telegraphweed

native
Annual, Perennial herb

Heterotheca oregona var. oregona Oregon false goldenaster, Oregon goldenaster

native
Perennial herb

Heterotheca sessiliflora ssp. echioides Bristly goldenaster, Sessileflower false goldenaster

native
Perennial herb

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

• invasive non-native
Perennial herb

Hordeum brachyantherum ssp. brachyantherum Meadow barley

native
Perennial grass

Hordeum brachyantherum ssp. brachyantherum

Hordeum depressum Alkali barley, Dwarf barley, Low barley

native
Annual grass

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

Isocoma acradenia var. bracteosa Bracted alkali goldenbush

native
Shrub

Isoetes nuttallii Nuttall's quillwort

native

ISOETACEAE

Juncus amuricus Small Tree-Mallow

Juncus bufonius var. bufonius Toad rush

native
Annual grasslike herb

Juncus bufonius var. congestus Clustered toad rush

native
Annual grasslike herb

Juncus dubius Dubius rush, Mariposa rush

native
Perennial grasslike herb

Juncus luciensis Santa lucia dwarf rush, Santa lucia rush

• rare native
Annual grasslike herb

Juncus mexicanus Mexican rush

native
Perennial grasslike herb

Juncus xiphioides Iris leaved rush, Irisleaf rush

native
Perennial grasslike herb

Juniperus californica California juniper

native
Shrub

CUPRESSACEAE

Lactuca serriola Prickly lettuce, Prickly wild lettuce

• invasive non-native
Annual herb

Lagophylla ramosissima Branched lagophylla, Common hareleaf

native
Annual herb

Lastarriaea coriacea Leather spineflower

native
Annual herb

Lasthenia glaberrima Smooth goldfields

native
Annual herb

Lasthenia gracilis Needle goldfields

native
Annual herb

Lasthenia minor Coastal goldfields, Smooth lasthenia, Woolly goldfields

native
Annual herb

Layia glandulosa White layia, White tidy tips, Whitedaisy tidytips

native
Annual herb

Layia heterotricha Pale yellow layia, Paleyellow tidytips

• rare native
Annual herb

Layia platyglossa Coastal tidytips

native
Annual herb

Lepidium acutidens Net pepper grass

native
Annual, Perennial herb

Lepidium dictyotum Alkali pepperweed, Net pepper grass

native
Annual herb

Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed

native
Annual herb

Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed

native
Annual herb

Leptosiphon liniflorus Narrowflower flaxflower

native
Annual herb

Leptosiphon parviflorus Variable linanthus

native
Annual herb

Leptosiphon pygmaeus ssp. continentalis Pygmy linanthus

native
Annual herb

Leptosyne bigelovii Bigelow coreopsis

native
Annual herb

Leptosyne douglasii Douglas' coreopsis

native
Annual herb

Lessingia pectinata var. tenuipes Sticky lessingia

native
Annual herb

Lessingia tenuis Spring lessingia

• rare native
Annual herb

Linanthus dichotomus ssp. dichotomus Evening snow

native
Annual herb

Linanthus parryae Parry's linanthus, Sand blossoms, Sandblossoms

native
Annual herb

Loeflingia squarrosa Spreading loeflingia, Spreading pygmyleaf

native
Annual herb

Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley

native
Perennial herb

Lomatium macrocarpum Bigseed biscuitroot, Large fruited lomatium

native
Perennial herb

Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel

native
Perennial herb

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

native
Shrub

CAPRIFOLIACEAE

Lupinus albifrons var. albifrons Silver bush lupine, Silver lupine

native
Shrub

Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine

native
Annual, Perennial herb

Lupinus concinnus Bajada lupine, Elegant lupine, Scarlet lupine

native
Annual herb

Lupinus formosus var. robustus Giant western lupine, Summer lupine

native
Perennial herb

Lupinus microcarpus var. microcarpus Chick lupine, Valley lupine

native
Annual herb

Lupinus nanus Sky lupine

native
Annual herb

Lupinus truncatus Blunt leaved lupine, Collared annual lupine, Truncate leaf lupine

native
Annual herb

Lysimachia arvensis Scarlet pimpernel

non-native
Annual herb

MYRSINACEAE

Malacothamnus jonesii Jones's bushmallow

• rare native
Shrub

MALVACEAE

Malacothrix californica California dandelion, Desert dandelion

native
Annual herb

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

native
Annual herb

Malacothrix glabrata Desert dandelion, Smooth desertdandelion

native
Annual herb

Marah fabacea California man-root

native
Perennial herb, Vine

CUCURBITACEAE

Marrubium vulgare White horehound

• invasive non-native
Perennial herb

Matricaria discoidea Pineapple weed

native
Annual 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

Melilotus albus White sweetclover

• invasive non-native
Annual, Biennial herb

Melilotus indicus Annual yellow sweetclover, Sourclover

non-native
Annual herb

Mentzelia pectinata San joaquin blazing star, San joaquin blazingstar

native
Annual herb

LOASACEAE

Micropus californicus var. californicus Q tips, Slender cottonweed

native
Annual herb

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

native
Annual herb

Microseris elegans Elegant silverpuffs

native
Annual herb

Microsteris gracilis Slender phlox

native
Annual herb

Mimetanthe pilosa Snouted monkey flower

native
Annual herb

Monardella villosa ssp. obispoensis San luis obispo coyote mint

native
Perennial herb

Monolopia lanceolata Common monolopia

native
Annual herb

Montia fontana Annual water minerslettuce, Water chickweed, Water montia

native
Annual herb

Mucronea californica California spineflower

• rare native
Annual herb

Mucronea perfoliata Perfoliate spineflower

native
Annual herb

Muhlenbergia rigens Deergrass

native
Perennial grass

Muilla maritima Common muilla, Sea muilla

native
Perennial herb

THEMIDACEAE

Nasturtium officinale Watercress

native
Perennial herb (aquatic)

Navarretia atractyloides Holly leaf navarretia, Hollyleaf pincushionplant

native
Annual herb

Navarretia mitracarpa Paso robles navarretia

native
Annual herb

Navarretia nigelliformis ssp. nigelliformis Adobe navarretia

• rare native
Annual herb

Navarretia nigelliformis ssp. nigelliformis

Nemacladus ramosissimus Nuttall's nemacladus, Smallflower threadplant

native
Annual herb

CAMPANULACEAE

Nemacladus secundiflorus var. robbinsii Robbins' nemacladus

• rare native
Annual herb

CAMPANULACEAE

Nemophila menziesii var. menziesii Baby blue eyes

native
Annual herb

Nemophila pedunculata Littlefoot nemophila, Meadow nemophila

native
Annual herb

Oenothera deltoides ssp. cognata Birdcage evening primrose, Desert lantern

native
Annual herb

Panicum capillare Old witch grass, Witchgrass, Witch grass

native
Annual grass

Papaver heterophyllum Wind poppy

native
Annual herb

Pectocarya linearis ssp. ferocula Sagebrush combseed, Slender comb seed, Slender pectocarya

native
Annual herb

Pectocarya penicillata Sleeping combseed, Winged comb seed, Winged pectocarya

native
Annual herb

Pectocarya setosa Moth combseed, Stiff stemmed comb bur

native
Annual herb

Penstemon centranthifolius Scarlet bugler

native
Perennial herb

Penstemon heterophyllus var. australis Southern foothill penstemon

native
Perennial herb

Pentachaeta alsinoides Tiny pygmy daisy, Tiny pygmydaisy

native
Annual herb

Pentagramma triangularis ssp. triangularis Gold back fern

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis

Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope

native
Annual herb

Phacelia douglasii var. douglasii Douglas' phacelia

native
Annual herb

Phacelia fremontii Fremont's phacelia

native
Annual herb

Phacelia tanacetifolia Lacy phacelia, Tansy leafed phacelia

native
Annual herb

Phalaris paradoxa Hood canarygrass

non-native
Annual grass

Pholistoma membranaceum White fiesta flower, White fiestaflower

native
Annual herb

Phoradendron villosum ssp. villosum Mistletoe

native
Shrub (parasitic)

VISCACEAE

Pinus sabiniana Bull pine, California foothill pine, Gray pine

native
Tree

PINACEAE

Plagiobothrys acanthocarpus Adobe allocarya, Adobe popcornflower

native
Annual herb

Plagiobothrys bracteatus Bracted allocarya, Bracted popcorn flower, Bracted popcornflower

native
Annual herb

Plagiobothrys canescens Grey popcorn flower, Valley popcorn flower, Valley popcornflower

native
Annual herb

Plagiobothrys leptocladus Alkali plagiobothrys, Finebranched popcornflower

native
Annual herb

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

native
Annual herb

Plagiobothrys tenellus Pacific popcornflower, Popcorn flower, Slender popcorn flower

native
Annual herb

Plantago erecta California plantain, Dotseed plantain, Foothill plantain

native
Annual herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

• invasive non-native
Perennial herb

Plantago major Common plantain

non-native
Perennial herb

Plantago ovata var. fastigiata Desert plantain

native
Annual herb

Platystemon californicus Cream cups, Creamcups

native
Annual herb

Poa annua Annual blue grass, Annual bluegrass

non-native
Annual grass

Poa bulbosa ssp. vivipara Bulbous blue grass

non-native
Perennial grass

Poa infirma Weak blue grass, Weak bluegrass

non-native
Annual grass

Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass

native
Perennial grass

Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass

• invasive non-native
Annual grass

Populus fremontii ssp. fremontii Fremont cottonwood

native
Tree

SALICACEAE

Primula clevelandi Small Tree-Mallow

Pseudognaphalium beneolens Cudweed

native
Perennial herb

Pseudognaphalium californicum Ladies' tobacco

native
Annual, Perennial herb

Pseudognaphalium luteoalbum Jersey cudweed

non-native
Annual herb

Pseudognaphalium stramineum Cottonbatting plant

native
Perennial herb

Pterostegia drymarioides Fairy mist, Woodland threadstem

native
Annual herb

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

native
Tree

Quercus douglasii Blue oak

native
Tree

Quercus john-tuckeri Tucker oak, Tucker's oak

native
Tree

Quercus lobata California white oak, Valley oak

native
Tree

Ranunculus californicus var. ludovicianus California buttercup

native
Perennial herb

Ranunculus californicus var. ludovicianus

Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry

native
Shrub

RHAMNACEAE

Rhus aromatica Fragrant sumac, Skunk Bush

native
Shrub

ANACARDIACEAE

Ribes quercetorum Foothill gooseberry, Oak gooseberry, Rock gooseberry

native
Shrub

GROSSULARIACEAE

Rigiopappus leptocladus Rigiopappus, Wire weed, Wireweed

native
Annual herb

Rosa californica California wild rose, California wildrose

native
Shrub

ROSACEAE

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

• invasive non-native
Perennial herb

Rumex hymenosepalus Canaigre dock, Wild rhubarb

native
Perennial herb

Rumex salicifolius var. crassus Willow leaved dock

native
Perennial herb

Sabulina cismontana Cismontane Minuartia

native
Annual herb

Sabulina douglasii Douglas' Stitchwort

native
Annual herb

Sabulina pusilla Annual Sandwort

native
Annual herb

Sagina apetala Annual pearlwort, Dwarf pearlwort, Sticky pearlwort

non-native
Annual herb

Salix exigua var. hindsiana Sandbar willow

native
Tree, Shrub

SALICACEAE

Salix laevigata Polished willow, Red willow

native
Tree

SALICACEAE

Salvia carduacea Thistle sage

native
Annual herb

Salvia columbariae Chia sage

native
Annual herb

Salvia mellifera Black sage

native
Shrub

Sambucus nigra ssp. caerulea Blue elderberry

native
Tree, Shrub

VIBURNACEAE

Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle

native
Perennial herb

Schismus arabicus Arabian schismus, Mediterranean grass

• invasive non-native
Annual grass

Schismus barbatus Common mediterranean grass, Old han schismus

• invasive non-native
Annual grass

Schoenoplectus pungens var. longispicatus Common threesquare

native
Perennial grasslike herb

Schoenoplectus pungens var. longispicatus

Senecio californicus California butterweed, California groundsel, California ragwort

native
Annual 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

Setaria verticillata Hooked bristlegrass

non-native
Annual grass

Silene antirrhina Sleepy catch fly, Sleepy catchfly, Sleepy silene

native
Annual herb

Silene gallica Common catchfly, Windmill pink

non-native
Annual herb

Silybum marianum Blessed milkthistle, Milk thistle

• invasive non-native
Annual, Perennial herb

Sisymbrium orientale Indian hedge mustard, Oriental hedge mustard

non-native
Annual, Perennial herb

Solanum umbelliferum var. umbelliferum Blue witch nightshade, Bluewitch nightshade

native
Shrub

SOLANACEAE

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

Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry

non-native
Annual, Perennial herb

Stachys albens Cobwebby hedge nettle, White hedge nettle, Whitestem 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

Stellaria pallida Pale starwort

non-native
Annual herb

Stephanomeria exigua ssp. coronaria Milk aster, White plume wirelettuce, Whiteplume wirelettuce

native
Annual herb

Stipa cernua Nodding needle grass

native
Perennial grass

Stipa coronata Crested needle grass

native
Perennial grass

Stipa speciosa Desert needle grass

native
Perennial grass

Streptanthus anceps Lemmon's mustard

native
Annual herb

Streptanthus lasiophyllus Small Tree-Mallow

Streptanthus parryi Lemmon's jewelflower, Lemmon's wild cabbage

• rare native
Annual herb

Stylocline gnaphaloides Everlasting nest straw, Everlasting stylocline, Mountain neststraw

native
Annual herb

Stylocline masonii Mason neststraw, Mason's neststraw

• rare native
Annual herb

Symphyotrichum subulatum Eastern annual saltmarsh aster

native
Annual herb

Tetrapteron graciliflorum Hill sun cup

native
Annual herb

Thysanocarpus curvipes ssp. curvipes Fringe Pod

native
Annual herb

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

native
Annual herb

Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak

native
Vine, Shrub

ANACARDIACEAE

Trichostema lanceolatum Vinegarweed

native
Annual herb

Trifolium albopurpureum Indian clover, Rancheria clover

native
Annual herb

Trifolium ciliolatum Foothill clover, Tree clover

native
Annual herb

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

native
Annual herb

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

native
Annual herb

Trifolium depauperatum var. depauperatum

Trifolium gracilentum Graceful clover, Pin point clover, Pinpoint clover

native
Annual herb

Trifolium macraei Chilean clover, Macrae's clover

native
Annual herb

Trifolium microcephalum Hairy clover, Small headed clover

native
Annual herb

Triphysaria micrantha Little butter 'n' eggs, Purplebeak owl's clover

native
Annual herb

Tropidocarpum gracile Dobie pod, Slender keel fruit, Slender tropidocarpum

native
Annual herb

Uropappus lindleyi Silver puffs, Uropappus

native
Annual herb

Verbena lasiostachys Common verbena, Vervain, Western verbena

native
Perennial herb

VERBENACEAE

Veronica anagallis-aquatica Water speedwell

non-native
Perennial herb

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

native
Annual herb

Xanthium spinosum Spiny clotbur, Spiny cockleburr

non-native
Annual herb

Xanthium strumarium Rough cockleburr

native
Annual herb