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Home , Abronia (plant), Acmispon, Acmispon heermannii, Deinandra corymbosa, Dipterostemon

Checklist1 of Vascular Flora of the San Simeon Coast San Luis Obispo County, (09 Jun 2019)

David J. Keil Robert F. Hoover Herbarium Biological Sciences Department California Polytechnic State University San Luis Obispo, California

Scientific Name Common Name Family Rare n yellow sand- v n beach sand-verbena, red NYCTAGINACEAE 4.2 v sand-verbena n var. umbellata purple sand-verbena NYCTAGINACEAE v n Acaena pinnatifida var. californica California sheep-bur ROSACEAE v n Acer macrophyllum big-leaf maple SAPINDACEAE v n Acer negundo box-elder SAPINDACEAE v

1 Please notify the author of additions or corrections to this list ([email protected]). ❀ — See Wildflowers of San Luis Obispo, California, second edition (2018) for photograph. Most are illustrated in the first edition as well; old names for some in square brackets. n — California native i — exotic species, introduced to California, naturalized or waif. v — documented by one or more specimens (Consortium of California Herbaria record; specimen in OBI; or collection that has not yet been accessioned) o — observed during field surveys; no voucher specimen known R—California Rare Rank Scientific Name Common Name Family Rare n ❀ Achillea millefolium yarrow v n ❀ americanus var. americanus Spanish-clover v n Acmispon cytisoides Bentham's deerweed FABACEAE v n ❀ var. glaber common deerweed FABACEAE v n var. orbicularis woolly deer-vetch FABACEAE v n miniature deervetch FABACEAE v n ❀ Adenostoma fasciculatum var. chamise ROSACEAE v fasciculatum n Adiantum jordanii California maidenhair fern PTERIDACEAE v n Agoseris apargioides var. apargioides seaside mountain-dandelion ASTERACEAE v n Agoseris hirsuta coast range mountain- ASTERACEAE v dandelion n Agrostis exarata western bentgrass, spike POACEAE v bentgrass n Agrostis pallens San Diego bentgrass POACEAE v i Agrostis stolonifera creeping bentgrass POACEAE v i Aira caryophyllea silver hairgrass POACEAE v n Allium hickmanii Hickman's onion ALLIACEAE 1B.2 v n Allium unifolium single-leaved onion ALLIACEAE v n Alnus rhombifolia white alder BETULACEAE v n Alopecurus saccatus Pacific foxtail POACEAE v i Amaryllis belladonna naked ladies AMARYLLIDACEAE v n Ambrosia chamissonis beach bursage, beachbur ASTERACEAE v n Ambrosia psilostachya western ragweed ASTERACEAE v n Amsinckia intermedia common fiddleneck BORAGINACEAE v n Amsinckia spectabilis var. spectabilis seaside fiddleneck BORAGINACEAE v n Anaphalis margaritacea pearly everlasting ASTERACEAE v Scientific Name Common Name Family Rare i ❀ Anthemis cotula mayweed, dog-fennel ASTERACEAE v n Aphyllon californicum subsp. californicum California broomrape OROBANCHACEAE v n Aphyllon fasciculatum clustered broomrape OROBANCHACEAE v n ❀ Aphyllon purpureum Naked broomrape OROBANCHACEAE v n Aphyllon robbinsii Robbins's broomrape OROBANCHACEAE 1B.x v i Apium graveolens celery APIACEAE v n Apocynum cannabinum Indian-hemp APOCYNACEAE v n Arctostaphylos cruzensis Arroyo de la Cruz manzanita ERICACEAE 1B.2 v n Arctostaphylos hookeri subsp. hearstiorum Hearst manzanita ERICACEAE 1B.2 v n Arctostaphylos tomentosa subsp. tomentosa wooly-leaf manzanita ERICACEAE v n Armeria maritima subsp. californica sea-pink, thrift PLUMBAGINACEAE v n ❀ Artemisia californica California sagebrush ASTERACEAE v n ❀ Artemisia douglasiana mugwort ASTERACEAE v n Artemisia dracunculus wild tarragon ASTERACEAE v n Artemisia pycnocephala dune sagewort, coastal ASTERACEAE v sagewort n ❀ Asclepias fascicularis narrow-leaved milkweed APOCYNACEAE v n Astragalus nuttallii var. nuttallii ocean bluff locoweed, ocean FABACEAE 4.2 v bluff milk-vetch n Athyrium filix-femina var. cyclosorum lady fern WOODSIACEAE v n Atriplex leucophylla beach saltbush CHENOPODIACEAE v i Atriplex prostrata fat-hen orach CHENOPODIACEAE v i Atriplex semibaccata Australian saltbush CHENOPODIACEAE v i Avena barbata slender wild oats POACEAE v i Avena fatua common wild oats POACEAE v n Azolla filiculoides mosquito fern, duckweed AZOLLACEAE v fern Scientific Name Common Name Family Rare n ❀ Baccharis glutinosa marsh baccharis ASTERACEAE v n ❀ Baccharis pilularis coyote bush ASTERACEAE v n Baccharis plummerae subsp. glabrata San Simeon baccharis ASTERACEAE 1B.2 v n Baccharis salicifolia mule fat, seep-willow ASTERACEAE v i ❀ Bellardia trixago Mediterranean lineseed OROBANCHACEAE v i Bellardia viscosa sticky lineseed OROBANCHACEAE v n ❀ Berula erecta cut-leaved water-parsnip APIACEAE v n ❀ Blitum californicum [Chenopodium California goosefoot CHENOPODIACEAE v californicum] n ❀ Bloomeria crocea var. aurea common goldenstar THEMIDACEAE v n Bloomeria humilis dwarf goldenstar THEMIDACEAE 1B.2 v n Bolboschoenus maritimus subsp. paludosus alkali bulrush, saltmarsh CYPERACEAE v bulrush n Bowlesia incana bowlesia APIACEAE v i Brachypodium hybridum false brome POACEAE v i ❀ Brassica nigra black mustard BRASSICACEAE v i ❀ Brassica rapa field mustard BRASSICACEAE v n Brickellia californica California brickellbush ASTERACEAE v i Briza maxima rattlesnake grass, quaking POACEAE v grass i Briza minor little quaking grass POACEAE v n Brodiaea terrestris subsp. kernensis Kern brodiaea THEMIDACEAE v n Bromus carinatus var. carinatus California brome POACEAE v i Bromus catharticus var. catharticus rescue grass POACEAE v i Bromus diandrus ripgut brome POACEAE v i Bromus hordeaceus soft chess brome POACEAE v Scientific Name Common Name Family Rare i Bromus madritensis foxtail chess POACEAE v i Bromus rubens red brome POACEAE v i Cakile edentula American sea rocket BRASSICACEAE v i Cakile maritima European sea rocket BRASSICACEAE v n Calamagrostis nutkaensis Pacific reedgrass POACEAE v n ❀ Calandrinia menziesii [Calandrinia ciliata] red maids MONTIACEAE v n California macrophylla round-leaved filaree, GERANIACEAE v California filaree n Callitriche trochlearis effluent water starwort PLANTAGINACEAE v n ❀ Calochortus albus fairy lantern LILIACEAE v n ❀ Calochortus clavatus var. clavatus club-haired mariposa lily LILIACEAE 4.3 v n Calochortus luteus yellow mariposa lily LILIACEAE v n Calochortus uniflorus pink star-tulip LILIACEAE 4.2 v n ❀ Calystegia macrostegia subsp. cyclostegia coast morning glory CONVOLVULACEAE v n Calystegia soldanella beach morning glory CONVOLVULACEAE v n ❀ Calystegia subacaulis subsp. episcopalis San Luis Obispo morning CONVOLVULACEAE 4.2 v glory, Cambria morning glory n Camissoniopsis cheiranthifolia subsp. beach suncup, beach ONAGRACEAE v cheiranthifolia evening-primrose n Camissoniopsis micrantha small-flowered suncup ONAGRACEAE v n ❀ Cardamine californica milk maids, rain bells, BRASSICACEAE v California toothwort n Cardamine oligosperma little bittercress BRASSICACEAE v n Cardionema ramosissimum sand mat CARYOPHYLLACEAE v i ❀ Carduus pycnocephalus Italian thistle ASTERACEAE v i Carduus tenuiflorus slender-flowered thistle ASTERACEAE v n Carex globosa round-fruited sedge CYPERACEAE v Scientific Name Common Name Family Rare n Carex obispoensis San Luis Obispo sedge CYPERACEAE 1B.2 v n Carex obnupta slough sedge CYPERACEAE v Carex pansa dune sedge CYPERACEAE v n Carex pellita woolly sedge CYPERACEAE v n Carex praegracilis black creeper sedge CYPERACEAE v n Carex spissa sawgrass sedge, San Diego CYPERACEAE v sedge n Carex tumulicola Mack. foothill sage CYPERACEAE v i Carpobrotus chilensis Chilean iceplant, sea-fig AIZOACEAE v i ❀ Carpobrotus edulis highway iceplant AIZOACEAE v n ❀ Castilleja affinis subsp. affinis coast Indian paintbrush OROBANCHACEAE v n Castilleja ambigua subsp. insalutata pink Johnny nip OROBANCHACEAE 1B.1 v n ❀ Castilleja densiflora subsp. obispoensis San Luis Obispo owl's-clover OROBANCHACEAE 1B.2 v n Castilleja exserta subsp. exserta common owl's-clover OROBANCHACEAE v n Castilleja foliolosa woolly Indian paintbrush OROBANCHACEAE v n Ceanothus cuneatus var. cuneatus common buckbrush RHAMNACEAE v n Ceanothus hearstiorum Hearsts' ceanothus RHAMNACEAE 1B.2 v n Ceanothus maritimus maritime ceanothus RHAMNACEAE 1B.2 v n Ceanothus thyrsiflorus var. thyrsiflorus blue blossom ceanothus RHAMNACEAE v i Cenchrus clandestinus kikiyu grass POACEAE v i ❀ Centaurea calcitrapa purple star-thistle ASTERACEAE v i ❀ Centaurea melitensis tocalote, Maltese star thistle ASTERACEAE v i Cerastium glomeratum annual mouse-ear chickweed CARYOPHYLLACEAE v i Chasmanthe floribunda South African corn-flag IRIDACEAE v i Chenopodiastrum murale [Chenopodium pigweed goosefoot CHENOPODIACEAE v murale] n Chenopodium album lamb's quarter CHENOPODIACEAE v Scientific Name Common Name Family Rare n Chlorogalum pomeridianum var. divaricatum coastal soap plant AGAVACEAE v n ❀ Chorizanthe palmeri Palmer's spineflower POLYGONACEAE 4.2 v n Chorizanthe pungens Monterey spineflower POLYGONACEAE 1B.2 v n Cicendia quadrangularis timwort GENTIANACEAE v i ❀ Cichorium intybus chicory ASTERACEAE v n Cirsium brevistylum Indian thistle ASTERACEAE v n Cirsium occidentale var. compactum compact cobwebby thistle ASTERACEAE 1B.2 v n Cirsium quercetorum brownie thistle ASTERACEAE v i ❀ Cirsium vulgare bull thistle ASTERACEAE v n Clarkia prostrata prostrate clarkia ONAGRACEAE v n Clarkia rubicunda ruby-chalice clarkia ONAGRACEAE v n Claytonia perfoliata subsp. mexicana common miner's lettuce MONTIACEAE v n ❀ Clematis ligusticifolia virgin's bower RANUNCULACEAE v n ❀ Clinopodium douglasii yerba buena LAMIACEAE v i ❀ Conium maculatum poison hemlock APIACEAE v i ❀ Convolvulus arvensis bindweed, field morning glory CONVOLVULACEAE v n ❀ Corethrogyne filaginifolia California-aster ASTERACEAE v n ❀ Cornus sericea subsp. occidentalis creek dogwood CORNACEAE v i Cortaderia jubata jubata grass POACEAE v i ❀ Cotula coronopifolia brass buttons ASTERACEAE v n Crassula aquatica water pygmyweed CRASSULACEAE v n ❀ Crassula connata common pygmyweed CRASSULACEAE v n ❀ Croton setiger turkey-mullein EUPHORBIACEAE v n ❀ Cryptantha clevelandii var. florosa coastal cryptantha BORAGINACEAE v n Cryptantha leiocarpa beach cryptantha BORAGINACEAE v Scientific Name Common Name Family Rare n Cuscuta californica var. californica common dodder CONVOLVULACEAE v n Cuscuta pacifica var. papillata salt marsh dodder CONVOLVULACEAE v i Cynara cardunculus subsp. cardunculus artichoke, artichoke thistle ASTERACEAE v i Cynodon dactylon Bermuda grass POACEAE v n Cyperus eragrostis common umbrella sedge CYPERACEAE v i Dactylis glomerata orchard grass POACEAE v n Danthonia californica California oatgrass POACEAE v n ❀ Datisca glomerata durango root DATISCACEAE v n Datura wrightii western jimson weed SOLANACEAE v n Daucus pusillus American wild carrot APIACEAE v n corymbosa central coast tarweed ASTERACEAE v n ❀ Deinandra increscens subsp. increscens grassland tarweed ASTERACEAE v n ❀ Delairea odorata cape-ivy ASTERACEAE v n Delphinium californicum subsp. californicum California larkspur RANUNCULACEAE v n Deschampsia cespitosa subsp. holciformis Pacific hairgrass POACEAE v n Deschampsia danthonioides annual hairgrass POACEAE v i Desmazeria rigida fern grass POACEAE v n Dichondra donelliana California dichondra CONVOLVULACEAE v n ❀ Diplacus aurantiacus var. aurantiacus common bush monkeyflower PHRYMACEAE v [Mimulus aurantiacus] n Diplacus aurantiacus var. puniceus red bush monkeyflower PHRYMACEAE v i ❀ Dipsacus sativus fuller's teasel DIPSACACEAE v n ❀ Dipterostemon capitatus subsp. capitatus blue-dicks, schoolbells THEMIDACEAE v [ capitatum subsp. capitatum] n Distichlis spicata saltgrass POACEAE v n Downingia concolor var. concolor maroon-spotted downingia CAMPANULACEAE v n Dryopteris arguta California wood fern DRYOPTERIDACEAE v Scientific Name Common Name Family Rare n ❀ Dudleya blochmaniae subsp. blochmaniae Blochman's dudleya CRASSULACEAE 1B.1 v n Dudleya caespitosa coast dudleya CRASSULACEAE v n ❀ Dudleya lanceolata lance-leaf dudleya CRASSULACEAE v n Dudleya palmeri Palmer's dudleya CRASSULACEAE v i Dysphania ambrosioides Mexican-tea CHENOPODIACEAE v n Eleocharis acicularis var. acicularis needle spike-rush CYPERACEAE v n Eleocharis macrostachya common spike-rush CYPERACEAE v n Eleocharis rostellata walking spike-rush, walking- CYPERACEAE v sedge n Elymus condensatus giant wildrye POACEAE v n Elymus glaucus subsp. glaucus blue wildrye POACEAE v i Elymus ponticus tall wheatgrass POACEAE v n Elymus triticoides beardless wildrye POACEAE v n ❀ Epilobium canum subsp. canum California-fuchsia ONAGRACEAE v n ❀ Epilobium ciliatum subsp. ciliatum common willow-herb ONAGRACEAE v n Epilobium ciliatum subsp. watsonii northern willowherb ONAGRACEAE v n Epilobium densiflorum dense-flowered spike- ONAGRACEAE v primrose n Equisetum arvense field horsetail EQUISETACEAE v n Equisetum laevigatum slender scouring-rush EQUISETACEAE v n Equisetum telmateia subsp. braunii giant horsetail EQUISETACEAE v i Erigeron bonariensis South American horseweed ASTERACEAE v i Erigeron canadensis common horseweed ASTERACEAE v n Erigeron glaucus seaside daisy ASTERACEAE v n ❀ Erigeron philadelphicus Philadelphia fleabane daisy ASTERACEAE v n Erigeron sanctarum the saints' fleabane daisy ASTERACEAE 4.2 v n Eriodictyon californicum common yerba santa NAMACEAE v Scientific Name Common Name Family Rare n ❀ Eriogonum fasciculatum var. fasciculatum coastal California buckwheat POLYGONACEAE v n Eriogonum latifolium seaside buckwheat POLYGONACEAE v n ❀ Eriogonum parvifolium coastal buckwheat POLYGONACEAE v n ❀ Eriophyllum confertiflorum var. common golden-yarrow ASTERACEAE v confertiflorum n Eriophyllum staechadifolium seaside golden-yarrow ASTERACEAE v i ❀ Erodium botrys storkbill filaree GERANIACEAE v i ❀ Erodium cicutarium redstem filaree GERANIACEAE v i Erodium moschatum greenstem filaree GERANIACEAE v n Eryngium armatum coast coyote-thistle, coast APIACEAE v button-celery n Eryngium pendletonense Pendleton button-celery APIACEAE v n ❀ Erythranthe cardinalis [Mimulus cardinalis] scarlet monkeyflower PHRYMACEAE v n ❀ Erythranthe guttata [Mimulus guttatus] common monkeyflower PHRYMACEAE v n ❀ California poppy PAPAVERACEAE v i Eucalyptus globulus blue gum MYRTACEAE v i Euphorbia lathyris caper spurge EUPHORBIACEAE v i Euphorbia maculata [Chamaesyce spotted spurge EUPHORBIACEAE v maculata] i ❀ Euphorbia peplus petty spurge EUPHORBIACEAE v n ❀ Euphorbia spathulata warty spurge EUPHORBIACEAE v n Extriplex californica [Atriplex californica] California orach CHENOPODIACEAE v i Festuca arundinacea tall fescue POACEAE v i Festuca bromoides brome fescue POACEAE v n Festuca californica California fescue POACEAE v i Festuca myuros rattail fescue POACEAE v Scientific Name Common Name Family Rare i Festuca perennis ryegrass POACEAE v n Festuca rubra red fescue POACEAE v i Festuca temulenta darnel POACEAE v i ❀ Foeniculum vulgare fennel APIACEAE v n Fragaria chiloensis beach strawberry ROSACEAE v n Fragaria vesca woodland strawberry ROSACEAE v n ❀ Frangula californica subsp. californica California coffeeberry RHAMNACEAE v n Frankenia salina alkali-heath FRANKENIACEAE v n ❀ Fritillaria biflora var. biflora chocolate lily LILIACEAE v n ❀ Galium aparine cleavers, common bedstraw, RUBIACEAE v goosegrass n Galium californicum subsp. flaccidum California bedstraw RUBIACEAE v n Galium porrigens var. porrigens climbing bedstraw RUBIACEAE v n Galium trifidum subsp. columbianum three-petaled bedstraw RUBIACEAE v n ❀ Gamochaeta ustulata Pacific cudweed ASTERACEAE v i Gastridium phleoides nitgrass POACEAE v i ❀ Genista monspessulana French broom FABACEAE v i Geranium core-core Chilean geranium GERANIACEAE v i ❀ Geranium dissectum cut-leaved geranium GERANIACEAE v n ❀ Grindelia hirsutula California gumplant ASTERACEAE v i Hainardia cylindrica thintail POACEAE v n ❀ Hazardia squarrosa var. squarrosa large-headed sawtooth ASTERACEAE v goldenbush i Hedypnois rhagadioloides Creteweed ASTERACEAE v n ❀ Helenium bigelovii Bigelow's sneezeweed ASTERACEAE v n Helenium puberulum rosilla sneezeweed ASTERACEAE v Scientific Name Common Name Family Rare n ❀ Heliotropium curassavicum var. oculatum salt heliotrope HELIOTROPIACEAE v i ❀ Helminthotheca echioides bristly oxtongue ASTERACEAE v n ❀ Hemizonia congesta subsp. luzulifolia hayfield tarweed ASTERACEAE v n Hesperevax sparsiflora var. sparsiflora erect evax ASTERACEAE v n ❀ Hesperocnide tenella black-haired stinging nettle URTICACEAE v n1 Hesperocyparis macrocarpa Monterey cypress CUPRESSACEAE v n ❀ Hesperoyucca whipplei chaparral yucca AGAVACEAE v n ❀ Heteromeles arbutifolia toyon, Christmas berry, ROSACEAE v california-holly n Heterotheca oregona var. oregona rayless goldenaster ASTERACEAE v i ❀ Hirschfeldia incana short-pod mustard, perennial BRASSICACEAE v mustard n ❀ Hoita macrostachya tall leatherroot FABACEAE v i Holcus lanatus velvetgrass POACEAE v n Hordeum brachyantherum subsp. California meadow barley POACEAE v californicum i Hordeum marinum subsp gussoneanum Mediterranean barley POACEAE v i Hordeum murinum subsp. leporinum mouse foxtail barley POACEAE v i Hordeum vulgare cultivated barley POACEAE v n Horkelia californica var. californica California horkelia ROSACEAE v n Horkelia cuneata var. cuneata wedgeleaf horkelia ROSACEAE v n gracilis harlequin FABACEAE 4.2 v n Hydrocotyle ranunculoides floating marsh-pennywort ARALIACEAE v n Hydrocotyle verticillata whorled marsh-pennywort ARALIACEAE v i ❀ Hypochaeris glabra smooth cat's-ear ASTERACEAE v i ❀ Hypochaeris radicata rough cat's-ear ASTERACEAE v Scientific Name Common Name Family Rare n Iris douglasiana Douglas iris IRIDACEAE v n Isocoma menziesii var. sedoides coastal goldenbush ASTERACEAE v n Isocoma menziesii var. vernonioides coastal goldenbush ASTERACEAE v n Isoetes nuttallii Nuttall's quillwort ISOETACEAE v n Isolepis carinata keeled dwarf bulrush CYPERACEAE v n Isolepis cernua nodding dwarf bulrush, CYPERACEAE v California clubrush n Jaumea carnosa salty Susan ASTERACEAE v n Juncus acutus subsp. leopoldii giant spiny rush JUNCACEAE 4.2 v n Juncus bufonius var. bufonius common toadrush JUNCACEAE v i Juncus bufonius var. congestus dense-flowered toadrush JUNCACEAE v n Juncus effusus subsp. pacificus Pacific rush JUNCACEAE v n Juncus lescurii San Francisco rush JUNCACEAE v n Juncus occidentalis western rush JUNCACEAE v n Juncus patens spreading rush JUNCACEAE v n ❀ Juncus phaeocephalus var. common brown-headed rush JUNCACEAE v phaeocephalus n Juncus textilis basket rush JUNCACEAE v i Kickxia spuria round-leaved fluellen PLANTAGINACEAE v i Lactuca saligna slender lettuce ASTERACEAE v i ❀ Lactuca serriola prickly lettuce ASTERACEAE v n Lasthenia californica subsp. macrantha perennial goldfields ASTERACEAE 1B.2 v n Lasthenia conjugens Contra Costa goldfields ASTERACEAE v n Lasthenia glaberrima smooth goldfields, Fremont's ASTERACEAE v goldfields n ❀ Lasthenia gracilis common goldfields ASTERACEAE v Scientific Name Common Name Family Rare n Lasthenia minor cut-leaved goldfields, coastal ASTERACEAE v goldfields i Lathyrus odoratus garden sweet-pea FABACEAE v n ❀ Layia platyglossa common tidytips ASTERACEAE v n Lemna gibba fat duckweed ARACEAE v n Lemna minor lesser duckweed ARACEAE v n Lemna minuta miniature duckweed ARACEAE v n ❀ Lepechinia calycina pitcher-sage LAMIACEAE v i Lepidium draba heart-pod hoary-cress BRASSICACEAE v n ❀ Lepidium nitidum shining peppercress BRASSICACEAE v i Limonium sinuatum wavy-leaf sea-lavender PLUMBAGINACEAE v i Linum bienne pale flax LINACEAE v i Logfia gallica narrow-leaved herba impia ASTERACEAE v n Lomatium caruifolium var. caruifolium caraway-leaved biscuitroot APIACEAE v n ❀ Lomatium parvifolium small-leaved biscuitroot APIACEAE 4.2 v n ❀ Lonicera hispidula California honeysuckle CAPRIFOLIACEAE v n Lonicera involucrata var. ledebourii twinberry CAPRIFOLIACEAE v i ❀ Lotus corniculatus bird'sfoot trefoil FABACEAE v n Lupinus albifrons var. abramsii Abrams's silver bush lupine FABACEAE v n Lupinus arboreus tree lupine FABACEAE v n Lupinus bicolor miniature lupine FABACEAE v n ❀ Lupinus nanus sky lupine FABACEAE v n ❀ Lupinus succulentus arroyo lupine FABACEAE v n Luzula subsessilis short-stalked wood-rush JUNCACEAE v i ❀ Lysimachia arvensis [Anagallis arvensis] scarlet pimpernel MYRSINACEAE v n Lysimachia minima [Anagallis minima] chaffweed MYRSINACEAE v Scientific Name Common Name Family Rare i Lythrum hyssopifolia hyssop loosestrife LYTHRACEAE v n ❀ Madia gracilis slender tarweed ASTERACEAE v n ❀ Madia sativa coast tarweed ASTERACEAE v i Malva nicaeensis bull mallow MALVACEAE v i Malva parviflora small-flowered mallow, MALVACEAE v cheeseweed i ❀ Malva pseudolavatera Cretan mallow MALVACEAE v n ❀ Marah fabacea manroot, wild cucumber vine CUCURBITACEAE v i ❀ Marrubium vulgare horehound LAMIACEAE v n ❀ Matricaria discoidea common pineapple-weed ASTERACEAE v i Medicago lupulina black medick FABACEAE v i Medicago polymorpha California bur-clover FABACEAE v i Medicago praecox Mediterranean bur-clover FABACEAE v i Medicago sativa alfalfa FABACEAE v n Melica imperfecta little melic POACEAE v i ❀ Melilotus albus white sweet-clover FABACEAE v i ❀ Melilotus indicus annual sweet-clover FABACEAE v n Microseris bigelovii coast microseris ASTERACEAE v n Microseris douglasii subsp. douglasii Douglas's microseris ASTERACEAE v n Microseris paludosa marsh microseris ASTERACEAE 1B.2 v n Morella californica California wax-myrtle MYRICACEAE v i Myoporum laetum common ngaio SCROPHULARIACEAE v i ❀ Nasturtium officinale common watercress BRASSICACEAE v n ❀ Oenanthe sarmentosa water-parsley APIACEAE v n ❀ Oenothera elata subsp. hookeri tall evening-primrose ONAGRACEAE v Scientific Name Common Name Family Rare i Oxalis corniculata creeping wood-sorrel, yellow OXALIDACEAE v wood-sorrel i Oxalis debilis pink wood-sorrel OXALIDACEAE v i ❀ Oxalis pes-caprae Bermuda-buttercup OXALIDACEAE v n Oxalis pilosa pilose wood-sorrel OXALIDACEAE v n ❀ Paeonia californica California peony PAEONIACEAE v i Parapholis incurva sicklegrass POACEAE v n Parietaria hespera var. californica California pellitory URTICACEAE v i Paspalum dilatatum dallisgrass POACEAE v i Pelargonium grossularioides gooseberry geranium GERANIACEAE v i Pelargonium inquinans scarlet pelargonium GERANIACEAE v n Pellaea andromedifolia coffee fern PTERIDACEAE v n Pentagramma triangularis subsp. goldback fern PTERIDACEAE v triangularis n Perideridia gairdneri subsp. gairdneri Gairdner's yampah APIACEAE 4.2 v n ❀ Persicaria amphibia water smartweed, kelp POLYGONACEAE v n Persicaria lapathifolia willow-weed, pale smartweed POLYGONACEAE v n Persicaria punctata dotted smartweed POLYGONACEAE v n ❀ Phacelia distans fern-leaved phacelia HYDROPHYLLACEAE v i Phalaris aquatica harding grass POACEAE v n Phalaris californica California canarygrass POACEAE v i Phalaris canariensis common canarygrass POACEAE v n Phyla nodiflora frogfruit v n Phyllospadix scouleri Scouler's surfgrass ZOSTERACEAE v n Phyllospadix torreyi Torrey's surfgrass ZOSTERACEAE v n Pilularia americana American pillwort MARSILEACEAE v n Pinus radiata Monterey pine PINACEAE 1B.1 v Scientific Name Common Name Family Rare i Pittosporum undulatum Victorian-box PITTOSPORACEAE v n Plagiobothrys bracteatus bracted popcorn flower BORAGINACEAE v n Plagiobothrys chorisianus var. hickmanii artist's popcorn flower BORAGINACEAE 4.2 v n Plagiobothrys undulatus wavy-stemmed popcorn BORAGINACEAE 1B.2 v flower i Plantago coronopus cutleaf plantain PLANTAGINACEAE v n Plantago elongata vernal pool plantain PLANTAGINACEAE v n ❀ Plantago erecta foothill plantain PLANTAGINACEAE v i ❀ Plantago lanceolata English plantain PLANTAGINACEAE v i Plantago major common plantain PLANTAGINACEAE v n Plantago maritima seaside plantain PLANTAGINACEAE v n Plantago subnuda marsh plantain PLANTAGINACEAE v n Platanus racemosa California sycamore PLATANACEAE v n ❀ Platystemon californicus cream cups PAPAVERACEAE v i Poa annua annual bluegrass POACEAE v n Poa secunda subsp. secunda one-sided bluegrass POACEAE v n ❀ Pogogyne douglasii Douglas's mesamint LAMIACEAE v n Pogogyne serpylloides thyme-leaved mesamint LAMIACEAE v n Polycarpon depressum California allseed CARYOPHYLLACEAE v i Polycarpon tetraphyllum four-leaved allseed CARYOPHYLLACEAE v i Polygonum aviculare common knotweed POLYGONACEAE v n Polypodium californicum California polypody POLYPODIACEAE v i Polypogon interruptus ditch beardgrass POACEAE v i Polypogon monspeliensis rabbitfoot grass POACEAE v i Polypogon viridis water beardgrass POACEAE v n Polystichum munitum western swordfern DRYOPTERIDACEAE v n Populus fremontii subsp. fremontii Fremont cottonwood SALICACEAE v Scientific Name Common Name Family Rare n Populus trichocarpa black cottonwood SALICACEAE v n Potamogeton foliosus leafy pondweed POTAMOGETONACEAE v n ❀ Potentilla anserina subsp. pacifica Pacific silverleaf ROSACEAE v i Poterium sanguisorba var. polygamum garden-burnet ROSACEAE v n ❀ Primula clevelandi [Dodecatheon Cleveland's shooting star PRIMULACEAE v clevelandii] n Pseudognaphalium beneolens fragrant everlasting ASTERACEAE v n Pseudognaphalium biolettii bicolored everlasting ASTERACEAE v n ❀ Pseudognaphalium californicum California everlasting ASTERACEAE v i Pseudognaphalium luteoalbum Jersey cudweed ASTERACEAE v n Pseudognaphalium microcephalum white everlasting, small- ASTERACEAE v headed everlasting n Pseudognaphalium ramosissimum pink everlasting ASTERACEAE v n Pseudognaphalium stramineum cotton-batting everlasting ASTERACEAE v n Psilocarphus tenellus slender woollyheads ASTERACEAE v n Pteridium aquilinum var. pubescens bracken fern DENNSTAEDTIACEAE v n Pterostegia drymarioides notchleaf POLYGONACEAE v n Quercus agrifolia var. agrifolia coast live oak FAGACEAE v n Ranunculus aquatilis var. diffusus white water buttercup RANUNCULACEAE v n ❀ Ranunculus californicus California buttercup RANUNCULACEAE v i ❀ Raphanus sativus wild radish BRASSICACEAE v n Rhamnus crocea spiny redberry RHAMNACEAE v n Ribes divaricatum var. pubiflorum straggly gooseberry GROSSULARIACEAE v n ❀ Ribes menziesii var. menziesii canyon gooseberry GROSSULARIACEAE v n ❀ Ribes sanguineum var. glutinosum pink-flowered currant GROSSULARIACEAE v n ❀ Ribes speciosum fuchsia-flowered gooseberry GROSSULARIACEAE v Scientific Name Common Name Family Rare i Romulea rosea var. australis rosy sand-crocus IRIDACEAE v n Rosa californica California wild rose ROSACEAE v n ❀ Rubus ursinus California blackberry ROSACEAE v i Rumex acetosella sour dock, sheep-sorrel POLYGONACEAE v i Rumex conglomeratus knotted dock POLYGONACEAE v i ❀ Rumex crispus curly dock POLYGONACEAE v i Rumex kerneri Kerner's dock POLYGONACEAE v n Rumex occidentalis western dock POLYGONACEAE v i Rumex pulcher fiddle dock POLYGONACEAE v n Rumex salicifolius var. crassus thick-leaved dock POLYGONACEAE v n Rumex salicifolius var. salicifolius willow-leaved dock POLYGONACEAE v n Ruppia maritima common ditchgrass RUPPIACEAE v i Sagina apetala miniature pearlwort CARYOPHYLLACEAE v n Sagina decumbens subsp. occidentalis western pearlwort CARYOPHYLLACEAE v n Salicornia pacifica common pickleweed, CHENOPODIACEAE v samphire n Salix exigua var. hindsiana (Benth.) Dorn sandbar willow SALICACEAE v n Salix lasiandra var. lasiandra Pacific willow SALICACEAE v n Salix lasiolepis arroyo willow, California SALICACEAE v pussywillow n Salix sitchensis Sitka willow SALICACEAE v n ❀ Salvia mellifera black sage LAMIACEAE v n ❀ Sambucus nigra subsp. caerulea blue elderberry ADOXACEAE v n Sanicula arctopoides footsteps of spring APIACEAE v n Sanicula crassicaulis common sanicle APIACEAE v n Sanicula hoffmannii Hoffmann's sanicle APIACEAE 4.3 v n Sanicula laciniata coast sanicle APIACEAE v Scientific Name Common Name Family Rare n ❀ Sanicula maritima adobe sanicle APIACEAE 1B.1 v n Schoenoplectus acutus var. occidentalis common tule, roundstem tule CYPERACEAE v n Schoenoplectus americanus American three-square, CYPERACEAE v Olney's three-square n Schoenoplectus californicus California tule CYPERACEAE v n Schoenoplectus pungens var. longispicatus common three-square CYPERACEAE v bulrush n Scirpus microcarpus small-fruited bulrush CYPERACEAE v n ❀ Scrophularia californica subsp. californica California figwort SCROPHULARIACEAE v i Senecio elegans red-purple ragwort ASTERACEAE v n Senecio flaccidus var. douglasii shrubby groundsel, ASTERACEAE v threadleaf groundsel i Senecio glomeratus cutleaf burnweed ASTERACEAE v i Senecio vulgaris common groundsel ASTERACEAE v i Setaria viridis green bristlegrass POACEAE v n ❀ Sidalcea malviflora subsp. laciniata geranium-leaved MALVACEAE v checkerbloom i ❀ Silene gallica windmill pink CARYOPHYLLACEAE v i ❀ Silybum marianum milk thistle ASTERACEAE v i ❀ Sinapis arvensis charlock BRASSICACEAE v n ❀ Sisyrinchium bellum blue-eyed-grass IRIDACEAE v n Sisyrinchium californicum golden-eyed-grass IRIDACEAE v n Solanum americanum American black nightshade SOLANACEAE v n ❀ Solanum douglasii Douglas' nightshade SOLANACEAE v n ❀ Solanum umbelliferum var. xanti chaparral purple nightshade SOLANACEAE v n Solidago elongata west coast Canada ASTERACEAE v goldenrod Scientific Name Common Name Family Rare n ❀ Solidago velutina subsp. californica California goldenrod ASTERACEAE v i Soliva sessilis field burweed ASTERACEAE v i Sonchus asper subsp. asper prickly sow-thistle ASTERACEAE v i ❀ Sonchus oleraceus common sow-thistle ASTERACEAE v n ❀ Sparganium eurycarpum giant bur-reed TYPHACEAE v i ❀ Spartium junceum Spanish broom FABACEAE v i Spergula arvensis corn spurrey CARYOPHYLLACEAE v i ❀ Spergularia bocconi Boccone's sand-spurrey CARYOPHYLLACEAE v n Spergularia macrotheca var. macrotheca beach sand-spurrey CARYOPHYLLACEAE v n Spergularia marina salt-marsh sandspurry, sticky CARYOPHYLLACEAE v sand-spurrey i ❀ Spergularia rubra common sand-spurrey, red CARYOPHYLLACEAE v sand-spurrey n Spiranthes romanzoffiana hooded ladies' tresses ORCHIDACEAE v n ❀ Stachys ajugoides bugle hedge-nettle LAMIACEAE v n ❀ Stachys bullata coast hedge-nettle LAMIACEAE v n Stachys pycnantha short-spiked hedge-nettle LAMIACEAE v i Stellaria media common chickweed CARYOPHYLLACEAE v n ❀ Stephanomeria cichoriacea silver rock-lettuce ASTERACEAE v n Stipa lepida foothill needlegrass POACEAE v n Stipa pulchra purple needlegrass POACEAE v n ❀ Streptanthus glandulosus subsp. beautiful jewel-flower BRASSICACEAE v glandulosus n Stuckenia pectinata sago pondweed, fennel-leaf POTAMOGETONACEAE v pondweed n ❀ Symphyotrichum chilense Pacific-aster ASTERACEAE v Scientific Name Common Name Family Rare n Taraxia ovata coast suncup, golden eggs ONAGRACEAE v suncup i Tetragonia tetragonoides New Zealand-spinach AIZOACEAE v n Thysanocarpus curvipes subsp. curvipes common fringepod BRASSICACEAE v n ❀ Thysanocarpus laciniatus narrow-leaved fringepod BRASSICACEAE v i Torilis arvensis common hedge-parsley APIACEAE v i Torilis nodosa knotted hedge-parsley APIACEAE v n ❀ Toxicodendron diversilobum poison-oak ANACARDIACEAE v n ❀ Toxicoscordion fremontii Fremont's death-camas, star- MELANTHIACEAE v zigadene i ❀ Tragopogon porrifolius salsify, purple goat's-beard ASTERACEAE v i Trifolium angustifolium narrow-leaved clover FABACEAE v n Trifolium bifidum var. decipiens pinole clover FABACEAE v i Trifolium campestre hop clover FABACEAE v n Trifolium depauperatum var. amplectens pale sac clover FABACEAE v n Trifolium dichotomum white-tip rancheria clover FABACEAE v i Trifolium glomeratum clustered clover FABACEAE v n Trifolium gracilentum pinpoint clover FABACEAE v i ❀ Trifolium hirtum rose clover FABACEAE v i ❀ Trifolium incarnatum crimson clover FABACEAE v n Trifolium macraei Macrae's clover FABACEAE v n Trifolium microcephalum miniature clover FABACEAE v i Trifolium repens white clover FABACEAE v i Trifolium subterraneum subterranean clover FABACEAE v n Trifolium variegatum white-tip clover FABACEAE v n ❀ Trifolium willdenovii tomcat clover FABACEAE v Scientific Name Common Name Family Rare n ❀ Trifolium wormskioldii meadow clover FABACEAE v n Triglochin scilloides flowering-quillwort JUNCAGINACEAE v n Triglochin striata three-ribbged arrow-grass JUNCAGINACEAE v n Triphysaria eriantha subsp. rosea white johnny-tuck OROBANCHACEAE v n Triphysaria pusilla miniature owl's-clover OROBANCHACEAE v n Triteleia ixioides subsp. cookii Cook's triteleia THEMIDACEAE 1B.3 v n Triteleia ixioides subsp. ixioides golden-brodiaea THEMIDACEAE v i ❀ Tropaeolum majus garden nasturtium TROPAEOLACEAE v n Typha domingensis southern cattail TYPHACEAE v n ❀ Typha latifolia broad-leaved cattail TYPHACEAE v n Umbellularia californica California laurel, California LAURACEAE v bay n ❀ Uropappus lindleyi silverpuffs ASTERACEAE v n ❀ Urtica dioica subsp. holosericea perennial stinging nettle URTICACEAE v n ❀ Verbena lasiostachys var. lasiostachys western vervain VERBENACEAE v i Verbena litoralis seashore vervain VERBENACEAE v n Veronica peregrina subsp. xalapensis purslane speedwell PLANTAGINACEAE v n Vicia americana subsp. americana American vetch FABACEAE v i Vicia benghalensis purple vetch FABACEAE v n Vicia gigantea giant vetch FABACEAE v i ❀ Vicia sativa subsp. sativa common vetch FABACEAE v i ❀ Vicia villosa subsp. varia narrow-leaved vetch FABACEAE v i Vinca major greater periwinkle APOCYNACEAE v n Woodwardia fimbriata giant chain fern BLECHNACEAE v ? Xanthium spinosum spiny clotbur, Spanish-thistle ASTERACEAE v n Yabea microcarpa California hedge-parsley APIACEAE v Scientific Name Common Name Family Rare n Zannichellia palustris horned-pondweed ZANNICHELLIACEAE v n ❀ Zeltnera davyi Davy's centaury GENTIANACEAE v