1 2 Checklist of Vascular Flora of Morro Bay State Park (07 June 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 Abronia umbellata var. umbellata purple sand-verbena NYCTAGINACEAE v n ❀ Achillea millefolium yarrow ASTERACEAE v n ❀ americanus var. americanus Spanish-clover o

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 species in square brackets. 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 survey; no voucher specimen known r — reported by Showers 1986 ? — tentative determination, pending collection of determinable specimen or examination of voucher; or collection site possibly not in Morro Bay State Park n — California native n1 — California native, but not indigenous to Morro Bay State Park, escaped from cultivation in the park i — exotic species, introduced to California, naturalized or waif. Rare — California Rare Rank

2 Including Morro Rock Natural Preserve, Morro Estuary Natural Preserve, Morro Bay State Marine Reserve, Morro Bay State Marine Recreational Management Area, and northern half of El Morro Elfin Forest Scientific Name Common Name Family Rare n Acmispon brachycarpus shortpod deervetch FABACEAE v n ❀ Acmispon glaber var. glaber common deerweed FABACEAE v n Acmispon heermannii var. orbicularis woolly deer-vetch FABACEAE v n Acmispon junceus var. junceus common rush deerweed FABACEAE v n Acmispon parviflorus miniature deervetch FABACEAE v n ❀ Acmispon strigosus strigose deer-vetch FABACEAE v n Acmispon wrangelianus California deervetch FABACEAE v n ❀ Adenostoma fasciculatum var. fasciculatum chamise ROSACEAE v i Aeonium haworthii Haworth's pinwheel CRASSULACEAE v i Agave americana century plant AGAVACEAE v n ❀ Agoseris grandiflora var. grandiflora large-flowered mountain- ASTERACEAE v dandelion n Agrostis pallens San Diego bentgrass POACEAE v i Agrostis stolonifera creeping bentgrass POACEAE v i Aira caryophyllea silver hairgrass POACEAE v n ❀ Alisma triviale water-plantain ALISMATACEAE v i Allium cepa cultivated onion ALLIACEAE v Allium sativum garlic ALLIACEAE v i Amaranthus deflexus large-fruited amaranth AMARANTHACEAE 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 r n Amsinckia spectabilis var. microcarpa mesa fiddleneck BORAGINACEAE v Scientific Name Common Name Family Rare n Anaphalis margaritacea pearly everlasting ASTERACEAE v i ❀ Anthemis cotula mayweed, dog-fennel ASTERACEAE v n Antirrhinum nuttallianum subsp. subsessile Nuttall's snapdragon PLANTAGINACEAE v n Aphanes occidentalis western parsley-piert ROSACEAE o n Apiastrum angustifolium mock-celery APIACEAE v i Apium graveolens celery APIACEAE v i Aptenia cordifolia baby sun-rose AIZOACEAE r n ❀ Arbutus menziesii madrone ERICACEAE c n Arctostaphylos morroensis Morro manzanita ERICACEAE 1B.1 v n Arctostaphylos osoensis Oso manzanita ERICACEAE 1B.2 v n Arctostaphylos tomentosa subsp. daciticola dacite manzanita ERICACEAE 1B.1 v i Arctotheca prostrata creeping capeweed ASTERACEAE v i Artemisia biennis biennial sagewort, biennial ASTERACEAE v wormwood n ❀ Artemisia californica California sagebrush ASTERACEAE v n ❀ Artemisia douglasiana mugwort ASTERACEAE v n Arthrocnemum subterminale Parish's pickleweed CHENOPODIACEAE v n Arundo donax giant reed POACEAE v i ❀ Asphodelus fistulosus asphodel ASPHODELACEAE v n Astragalus gambelianus Gambel's milk-vetch FABACEAE v n Astragalus nuttallii var. nuttallii ocean bluff locoweed, ocean FABACEAE 4.2 r? bluff milk-vetch n Astragalus nuttallii var. virgatus San Francisco milk-vetch FABACEAE v n Astragalus pomonensis Pomona locoweed FABACEAE v n Athyrium filix-femina var. cyclosorum lady fern WOODSIACEAE r Scientific Name Common Name Family Rare n Athysanus pusillus dwarf sandweed BRASSICACEAE r n Atriplex leucophylla beach saltbush CHENOPODIACEAE v i Atriplex prostrata fat-hen orach CHENOPODIACEAE v i Atriplex semibaccata Australian saltbush CHENOPODIACEAE v n Atriplex watsonii Watson's 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 r fern n ❀ Baccharis glutinosa marsh baccharis ASTERACEAE v n ❀ Baccharis pilularis coyote bush ASTERACEAE v i ❀ Bellardia trixago Mediterranean lineseed OROBANCHACEAE v n ❀ Blitum californicum [Chenopodium California goosefoot CHENOPODIACEAE v californicum] n ❀ Bloomeria crocea var. aurea common goldenstar THEMIDACEAE v n Bolboschoenus maritimus subsp. paludosus alkali bulrush, saltmarsh CYPERACEAE v bulrush n Bolboschoenus robustus x B. maritimus hybrid bulrush CYPERACEAE v i Brachypodium hybridum false brome POACEAE v i ❀ Brassica nigra black mustard BRASSICACEAE v i ❀ Brassica rapa field mustard BRASSICACEAE v i Brassica tournefortii Sahara mustard BRASSICACEAE v i Briza maxima rattlesnake grass, quaking POACEAE v grass i Briza minor little quaking grass POACEAE v Scientific Name Common Name Family Rare n Bromus carinatus var. carinatus California brome POACEAE v i Bromus catharticus var. catharticus rescue grass POACEAE v i Bromus catharticus var. elatus Chilean brome POACEAE v i Bromus diandrus ripgut brome POACEAE v i Bromus hordeaceus soft chess brome POACEAE v n Bromus maritimus maritime brome POACEAE r i Bromus rubens red brome POACEAE v n Bromus vulgaris Columbia brome POACEAE v i Cakile maritima European sea rocket BRASSICACEAE v n Calandrinia breweri Brewer's calandrinia MONTIACEAE 4.2 v n ❀ Calandrinia menziesii [Calandrinia ciliata] red maids MONTIACEAE v n Calibrachoa parviflora wild-petunia SOLANACEAE v n ❀ Calochortus argillosus clay mariposa lily LILIACEAE v n ❀ Calochortus clavatus var. clavatus club-haired mariposa lily LILIACEAE 4.3 v n Calyptridium monandrum sand-cress pussypaws MONTIACEAE v n ❀ Calystegia macrostegia subsp. cyclostegia coast morning glory CONVOLVULACEAE v n Calystegia malacophylla subsp. pedicellata woolly morning glory CONVOLVULACEAE r n ❀ Calystegia subacaulis subsp. episcopalis San Luis Obispo morning CONVOLVULACEAE 4.2 v glory, Cambria morning glory n Camissonia strigulosa strigose suncup ONAGRACEAE v n Camissoniopsis cheiranthifolia subsp. beach suncup, beach ONAGRACEAE v cheiranthifolia evening-primrose n Camissoniopsis micrantha small-flowered suncup ONAGRACEAE v i Capsella bursa-pastoris shepherd's purse BRASSICACEAE v Scientific Name Common Name Family Rare n ❀ Cardamine californica milk maids, rain bells, BRASSICACEAE v California toothwort i Cardamine hirsuta hairy bittercress BRASSICACEAE v n Cardamine oligosperma little bittercress BRASSICACEAE v n Cardionema ramosissimum sand mat CARYOPHYLLACEAE v i ❀ Carduus pycnocephalus Italian thistle ASTERACEAE v n Carex barbarae Santa Barbara sedge CYPERACEAE v n Carex globosa round-fruited sedge CYPERACEAE v n Carex obnupta slough sedge CYPERACEAE v Carex pansa dune sedge CYPERACEAE ? i Carpobrotus chilensis Chilean iceplant, sea-fig AIZOACEAE v i ❀ Carpobrotus edulis highway iceplant AIZOACEAE v i ❀ Carthamus lanatus woolly distaff thistle ASTERACEAE v n ❀ Castilleja affinis subsp. affinis coast Indian paintbrush OROBANCHACEAE v n Castilleja attenuata valley tassels, narrow-leaved OROBANCHACEAE v owl's-clover n ❀ Castilleja exserta subsp. latifolia common owl's-clover OROBANCHACEAE v n Ceanothus cuneatus var. fascicularis dune buckbrush RHAMNACEAE 4.2 v n ❀ Ceanothus cuneatus var. ramulosus coast buckbrush RHAMNACEAE v n Ceanothus impressus. var. impressus Santa Barbara ceanothus RHAMNACEAE v n ❀ Ceanothus papillosus wartleaf ceanothus RHAMNACEAE v i Cenchrus clandestinus kikiyu grass POACEAE v i Centaurea cyanus bachelor's button ASTERACEAE v i ❀ Centaurea melitensis tocalote, Maltese star thistle ASTERACEAE v i Centranthus ruber Jupiter's beard, red valerian VALERIANACEAE v Scientific Name Common Name Family Rare i Chasmanthe floribunda South African corn-flag IRIDACEAE o i Chenopodiastrum murale [Chenopodium pigweed goosefoot CHENOPODIACEAE v murale] n Chenopodium album lamb's quarter CHENOPODIACEAE v n Chenopodium berlandieri pit-seeded goosefoot CHENOPODIACEAE v n Chenopodium berlandieri var. sinuatum pit-seeded goosefoot CHENOPODIACEAE v n Chenopodium littoreum coastal goosefoot CHENOPODIACEAE 1B.2 v n ❀ Chlorogalum pomeridianum var. common soap plant AGAVACEAE v pomeridianum n Chlorogalum pomeridianum var. divaricatum coastal soap plant AGAVACEAE v n Chorizanthe angustifolia narrow-leaved spineflower POLYGONACEAE v n Chorizanthe diffusa diffuse spineflower POLYGONACEAE v n ❀ Chorizanthe palmeri Palmer's spineflower POLYGONACEAE 4.2 v? n Chorizanthe staticoides Turkish-rugging spineflowe POLYGONACEAE v? n Cicuta maculata var. bolanderi common water hemlock APIACEAE 2B.1 r n Cirsium occidentale var. occidentale cobwebby thistle ASTERACEAE v i ❀ Cirsium vulgare bull thistle ASTERACEAE v i Cistus incanus hairy rock-rose CISTACEAE v n Clarkia affinis chaparral clarkia ONAGRACEAE r n Claytonia parviflora subsp. parviflora narrow-leaved miner's MONTIACEAE v lettuce n ❀ Claytonia perfoliata subsp. perfoliata common miner's lettuce MONTIACEAE v n ❀ Clematis ligusticifolia virgin's bower RANUNCULACEAE v n ❀ Clinopodium douglasii yerba buena LAMIACEAE v i Conicosia pugioniformis slender-leaved iceplant AIZOACEAE v Scientific Name Common Name Family Rare i ❀ Conium maculatum poison hemlock APIACEAE v n Convolvulus simulans small-flowered morning-glory CONVOLVULACEAE 4.2 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 australis Australian cotula ASTERACEAE v i ❀ Cotula coronopifolia brass buttons ASTERACEAE v n ❀ Crassula connata common pygmyweed CRASSULACEAE v i Crassula tillaea moss pygmyweed CRASSULACEAE v n ❀ Crocanthemum scoparium California rush-rose CISTACEAE v n ❀ Croton californicus California croton EUPHORBIACEAE v i Crypsis schoenoides common pricklegrass POACEAE v n ❀ Cryptantha clevelandii var. florosa coastal cryptantha BORAGINACEAE v n Cryptantha leiocarpa beach cryptantha BORAGINACEAE v n Cuscuta occidentalis western dodder CONVOLVULACEAE v n Cuscuta pacifica var. pacifica salt marsh dodder CONVOLVULACEAE v i Cynodon dactylon Bermuda grass POACEAE v i Cynosurus echinatus dogtail grass POACEAE v n Cyperus eragrostis common umbrella sedge CYPERACEAE v i Cyperus involucratus garden umbrella sedge, CYPERACEAE v umbrella plant i Dactylis glomerata orchard grass POACEAE v n Danthonia californica California oatgrass POACEAE v i Datura stramonium common jimson weed SOLANACEAE o Scientific Name Common Name Family Rare n Daucus pusillus American wild carrot APIACEAE v n ❀ Deinandra fasciculata clustered tarweed ASTERACEAE v n ❀ Deinandra increscens subsp. increscens grassland tarweed ASTERACEAE v n ❀ Delairea odorata cape-ivy ASTERACEAE v n ❀ Dendromecon rigida bush poppy, tree poppy PAPAVERACEAE v n Deschampsia elongata slender hairgrass POACEAE v n Descurainia pinnata subsp. brachycarpa western tansy-mustard BRASSICACEAE v i Dimorphotheca ecklonis blue and white African daisy ASTERACEAE ? n ❀ Diplacus aurantiacus var. aurantiacus common bush monkeyflower PHRYMACEAE v i ❀ Dipsacus sativus fuller's teasel DIPSACACEAE v n ❀ Dipterostemon capitatus subsp. capitatus blue-dicks, schoolbells THEMIDACEAE v [Dichelostemma capitatum subsp. capitatum] n Distichlis spicata saltgrass POACEAE v i Drosanthemum floribundum rosy iceplant AIZOACEAE v n Drymocallis glandulosa var. glandulosa sticky cinquefoil ROSACEAE v n Drymocallis glandulosa var. wrangelliana sticky cinquefoil ROSACEAE v n Dryopteris arguta California wood fern DRYOPTERIDACEAE v 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 i Dysphania ambrosioides Mexican-tea CHENOPODIACEAE v i Ehrharta calycina common veldtgrass POACEAE v i Ehrharta erecta panic veldtgrass POACEAE v Scientific Name Common Name Family Rare 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 triticoides beardless wildrye POACEAE v i Emex spinosa three-corner-jack POLYGONACEAE v n Encelia californica California encelia ASTERACEAE 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 Equisetum xferrissii hybrid scouring-rush EQUISETACEAE v n Equisetum hyemale subsp. affine common scouring-rush EQUISETACEAE v n Equisetum telmateia subsp. braunii giant horsetail EQUISETACEAE v n Eriastrum densifolium subsp. densifolium dunes giant woolly-star POLEMONIACEAE v n Ericameria ericoides mock-heather ASTERACEAE v i Erigeron bonariensis South American horseweed ASTERACEAE v i Erigeron canadensis common horseweed ASTERACEAE v n Erigeron foliosus var. foliosus common leafy fleabane ASTERACEAE v daisy i Erigeron sumatrensis tropical horseweed ASTERACEAE v n ❀ Eriogonum fasciculatum var. fasciculatum coastal California buckwheat POLYGONACEAE v n Eriogonum gracile slender wooly buckwheat POLYGONACEAE st n ❀ Eriogonum parvifolium coastal buckwheat POLYGONACEAE v n ❀ Eriophyllum confertiflorum var. common golden-yarrow ASTERACEAE v confertiflorum Scientific Name Common Name Family Rare n Eriophyllum multicaule many-branched woolly-daisy ASTERACEAE v 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 Erysimum suffrutescens suffrutescent wallflower BRASSICACEAE 4.2 v n ❀ Erythranthe cardinalis [Mimulus cardinalis] scarlet monkeyflower PHRYMACEAE o n ❀ Erythranthe guttata [Mimulus guttatus] common monkeyflower PHRYMACEAE v n ❀ Eschscholzia californica California poppy PAPAVERACEAE v i Eucalyptus globulus blue gum MYRTACEAE v n ❀ Eucrypta chrysanthemifolia var. sweet eucrypta HYDROPHYLLACEAE v chrysanthemifolia i Euphorbia lathyris caper spurge EUPHORBIACEAE v i ❀ Euphorbia peplus petty spurge EUPHORBIACEAE v i Euphorbia serpens [Chamaesyce serpens] round-leaved spurge EUPHORBIACEAE v n ❀ Euphorbia spathulata warty spurge EUPHORBIACEAE v n Euthamia occidentalis western goldenrod ASTERACEAE v n Extriplex californica [Atriplex californica] California orach CHENOPODIACEAE v i Festuca arundinacea tall fescue POACEAE v n Festuca microstachys three-weeks fescue, small POACEAE v fescue i Festuca myuros rattail fescue POACEAE v i Festuca perennis ryegrass POACEAE v n Festuca rubra red fescue POACEAE v i ❀ Foeniculum vulgare fennel APIACEAE v Scientific Name Common Name Family Rare n Fragaria vesca woodland strawberry ROSACEAE r 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. californicum California bedstraw RUBIACEAE o n Galium californicum subsp. flaccidum California bedstraw RUBIACEAE v n Galium porrigens var. porrigens climbing bedstraw RUBIACEAE v n ❀ Gamochaeta ustulata Pacific cudweed ASTERACEAE v n ❀ Garrya elliptica coastal silk-tassel bush GARRYACEAE v i Gastridium phleoides nitgrass POACEAE v i Gazania linearis treasureflower ASTERACEAE 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 puberulum rosilla sneezeweed ASTERACEAE v 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 Scientific Name Common Name Family Rare n1 Hesperocyparis macrocarpa Monterey cypress CUPRESSACEAE v n Hesperomecon linearis carnival poppy PAPAVERACEAE v i Heteranthemis viscidihirta sand chrysanthemum ASTERACEAE v n ❀ Heteromeles arbutifolia toyon, Christmas berry, ROSACEAE v california-holly n ❀ Heterotheca grandiflora telegraph weed ASTERACEAE v n Heuchera pilosissima seaside alumroot SAXIFRAGACEAE v i ❀ Hirschfeldia incana short-pod mustard, perennial BRASSICACEAE v mustard n ❀ Hoita macrostachya tall leatherroot FABACEAE v n Hordeum brachyantherum subsp. common meadow barley POACEAE v brachyantherum n Hordeum brachyantherum subsp. California meadow barley POACEAE ? californicum n Hordeum depressum low barley POACEAE v i Hordeum marinum subsp gussoneanum Mediterranean barley POACEAE v i Hordeum murinum subsp. glaucum smooth foxtail barley POACEAE v i Hordeum murinum subsp. leporinum mouse foxtail barley POACEAE v n Horkelia californica var. californica California horkelia ROSACEAE v n Horkelia cuneata var. cuneata wedgeleaf horkelia ROSACEAE v n Horkelia cuneata var. sericea Kellogg's horkelia ROSACEAE 1B.1 v n Hydrocotyle verticillata whorled marsh-pennywort ARALIACEAE v i ❀ Hypochaeris glabra smooth cat's-ear ASTERACEAE v n Iris douglasiana Douglas iris IRIDACEAE r n Isocoma menziesii var. vernonioides coastal goldenbush ASTERACEAE v Scientific Name Common Name Family Rare n Isolepis cernua nodding dwarf bulrush, CYPERACEAE v California clubrush n Jaumea carnosa salty Susan ASTERACEAE v n Cryptantha micromeres minute-flowered cryptantha BORAGINACEAE v n Juncus acutus subsp. leopoldii giant spiny rush JUNCACEAE 4.2 v n Juncus breweri salt rush JUNCACEAE ? n Juncus bufonius var. bufonius common toadrush JUNCACEAE v i Juncus bufonius var. congestus dense-flowered toadrush JUNCACEAE v n Juncus hesperius bog rush JUNCACEAE v n Juncus lescurii San Francisco rush JUNCACEAE ? n Juncus occidentalis western rush JUNCACEAE v n Juncus patens spreading rush JUNCACEAE v n ❀ Juncus phaeocephalus var. phaeocephalus common brown-headed rush JUNCACEAE v i Kickxia elatine sharp-leaved fluellen PLANTAGINACEAE v n Koeleria macrantha Junegrass POACEAE v i Lactuca saligna slender lettuce ASTERACEAE v i ❀ Lactuca serriola prickly lettuce ASTERACEAE v i Lamarckia aurea goldentop grass POACEAE v n Lastarriaea coriacea leather spineflower POLYGONACEAE v n ❀ Lasthenia gracilis common goldfields ASTERACEAE r n Lasthenia minor cut-leaved goldfields, coastal ASTERACEAE r goldfields n Lathyrus jepsonii var. californicus Jepson's sweet-pea FABACEAE v n ❀ Lathyrus vestitus var. vestitus Pacific sweet-pea FABACEAE v n Layia glandulosa white layia ASTERACEAE v Scientific Name Common Name Family Rare n Layia hieracioides hawkweed layia ASTERACEAE v n ❀ Layia platyglossa common tidytips ASTERACEAE r n Lemna minuta miniature duckweed ARACEAE v n Lemna turionifera turion duckweed ARACEAE v i Lepidium didymum swinecress BRASSICACEAE v i Lepidium draba heart-pod hoary-cress BRASSICACEAE v n ❀ Lepidium nitidum shining peppercress BRASSICACEAE v n Lepidium strictum yellow-green peppercress BRASSICACEAE v n Leptochloa fusca subsp. uninervia Mexican sprangletop POACEAE v n Leptosyne gigantea giant coreopsis ASTERACEAE v n Limonium californicum California sea-lavender, PLUMBAGINACEAE v i Limonium duriusculum European sea-lavender PLUMBAGINACEAE v i Lobularia maritima sweet-alyssum BRASSICACEAE v n Logfia filaginoides California cotton-rose ASTERACEAE v i Logfia gallica narrow-leaved herba impia ASTERACEAE v n Lomatium caruifolium var. caruifolium caraway-leaved biscuitroot APIACEAE v n ❀ Lomatium utriculatum spring gold biscuitroot APIACEAE r n ❀ Lonicera hispidula California honeysuckle CAPRIFOLIACEAE v n Lonicera involucrata var. ledebourii twinberry CAPRIFOLIACEAE v i ❀ corniculatus bird'sfoot trefoil FABACEAE v i Lunaria annua L. honesty, money plant BRASSICACEAE v n albifrons var. abramsii Abrams's silver bush lupine FABACEAE r n Lupinus arboreus tree lupine FABACEAE v n Lupinus bicolor miniature lupine FABACEAE v Scientific Name Common Name Family Rare n Lupinus chamissonis dune bush blupine FABACEAE v n ❀ Lupinus microcarpus var. densiflorus dense-flowered chick lupine FABACEAE v n ❀ Lupinus nanus sky lupine FABACEAE v n ❀ Lupinus succulentus arroyo lupine FABACEAE v n Lupinus truncatus chaparral lupine FABACEAE v n Lupinus variicolor manycolored lupine FABACEAE ? n Luzula subsessilis short-stalked wood-rush JUNCACEAE v? i ❀ Lysimachia arvensis [Anagallis arvensis] scarlet pimpernel MYRSINACEAE v i Lythrum hyssopifolia hyssop loosestrife LYTHRACEAE v n Madia exigua threadstem tarweed ASTERACEAE v n ❀ Madia gracilis slender tarweed ASTERACEAE v n ❀ Madia sativa coast tarweed ASTERACEAE v n ❀ Mahonia pinnata subsp. pinnata coast mahonia BERBERIDACEAE v n ❀ Maianthemum racemosum greater false Solomon's seal RUSCACEAE r n Maianthemum stellatum lesser false Solomon's seal RUSCACEAE r n Malacothrix incana dunedelion ASTERACEAE 4.3 r 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 polymorpha California bur-clover FABACEAE v i Medicago sativa alfalfa FABACEAE v Scientific Name Common Name Family Rare n Melica californica California melic POACEAE r n Melica imperfecta little melic POACEAE v i ❀ Melilotus albus white sweet-clover FABACEAE v i ❀ Melilotus indicus annual sweet-clover FABACEAE v i Mentha aquatica watermint LAMIACEAE v i Mentha spicata spearmint LAMIACEAE r i Mesembryanthemum nodiflorum small-flowered iceplant AIZOACEAE v? n Monardella sinuata subsp. sinuata curly-leaved monardella LAMIACEAE o n Monardella villosa var. subglabra smooth coyote mint LAMIACEAE v n Morella californica California wax-myrtle MYRICACEAE v n Mucronea californica California spineflower POLYGONACEAE 4.2 v i Myoporum laetum common ngaio SCROPHULARIACEAE v i ❀ Nasturtium officinale common watercress BRASSICACEAE v n Navarretia atractyloides holly-leaf pincushion plant POLEMONIACEAE v n Navarretia hamata subsp. parviloba grapnel pincushion plant POLEMONIACEAE v n Navarretia squarrosa skunkweed pincushion plant POLEMONIACEAE v n ❀ Nemophila menziesii baby blue eyes HYDROPHYLLACEAE o n Nemophila pedunculata dark-seeded nemophila HYDROPHYLLACEAE r i Nicotiana acuminata var. multiflora Indian tobacco SOLANACEAE v n Nuttallanthus texanus blue toadflax PLANTAGINACEAE v n Oemleria cerasiformis osoberry ROSACEAE v n ❀ Oenanthe sarmentosa water-parsley APIACEAE v i ❀ Opuntia ficus-indica Indian-fig prickly-pear, CACTACEAE v mission prickly-pear Scientific Name Common Name Family Rare n Opuntia phaeacantha brown-spined prickly-pear CACTACEAE r i Oxalis corniculata creeping wood-sorrel, yellow OXALIDACEAE v wood-sorrel i ❀ Oxalis pes-caprae Bermuda-buttercup OXALIDACEAE v n Oxalis pilosa pilose wood-sorrel OXALIDACEAE v i Oxybasis chenopodioides low goosefoot CHENOPODIACEAE v i Oxybasis macrosperma large-seeded goosefoot CHENOPODIACEAE v n ❀ Paeonia californica California peony PAEONIACEAE v i Parapholis incurva sicklegrass POACEAE v i Paspalum dilatatum dallisgrass POACEAE v n Pectocarya penicillata short-leaf combseed BORAGINACEAE v n Pellaea andromedifolia coffee fern PTERIDACEAE v n Pellaea mucronata var. mucronata bird's-foot fern PTERIDACEAE v n Pentagramma triangularis subsp. triangularis goldback fern PTERIDACEAE v n ❀ Persicaria amphibia water smartweed, kelp POLYGONACEAE v n Persicaria punctata dotted smartweed POLYGONACEAE v n ❀ Phacelia distans fern-leaved phacelia HYDROPHYLLACEAE v n Phacelia douglasii var. douglasii common Douglas's phacelia HYDROPHYLLACEAE v n Phacelia douglasii var. petrophila rock-loving Douglas's HYDROPHYLLACEAE v phacelia n ❀ Phacelia malvifolia stinging phacelia HYDROPHYLLACEAE v i Phalaris aquatica harding grass POACEAE v i Phalaris brachystachys shortspike canarygrass POACEAE v i Phalaris paradoxa hooded canarygrass POACEAE v n Pholisma arenarium scaly sandplant LENNOACEAE v Scientific Name Common Name Family Rare n ❀ Pholistoma auritum var. auritum fiesta flower HYDROPHYLLACEAE v n Phragmites australis subsp. americanus common reed POACEAE v n Phyllospadix torreyi Torrey's surfgrass ZOSTERACEAE v n Pinus radiata Monterey pine PINACEAE 1B.1 v n Piperia michaelii Michael's rein orchid ORCHIDACEAE 4.2 v n Plagiobothrys canescens valley popcorn flower BORAGINACEAE v i Plantago coronopus cutleaf 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 Platanus racemosa California sycamore PLATANACEAE v n ❀ Platystemon californicus cream cups PAPAVERACEAE r n Plectritis congesta subsp. brachystemon short-spurred seablush VALERIANACEAE r? i Poa annua annual bluegrass POACEAE v i Poa pratensis Kentucky bluegrass POACEAE v n Poa secunda subsp. secunda one-sided bluegrass POACEAE 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 subsp. depressum common knotweed POLYGONACEAE v n Polypodium californicum California polypody POLYPODIACEAE v n Polypodium scouleri leather-leaf polypody, coast POLYPODIACEAE v polypody i Polypogon interruptus ditch beardgrass POACEAE v Scientific Name Common Name Family Rare i Polypogon monspeliensis rabbitfoot grass POACEAE v i Polypogon viridis water beardgrass POACEAE v n Polystichum munitum western swordfern DRYOPTERIDACEAE v n Populus trichocarpa black cottonwood SALICACEAE v n ❀ Potentilla anserina subsp. pacifica Pacific silverleaf ROSACEAE v n Primula clevelandii var. insulare Cleveland's shooting star PRIMULACEAE v [Dodecatheon clevelandii subsp. insulare] n Prosartes hookeri Hooker's fairy bells LILIACEAE r n Prunus fasciculata var. punctata dune almond, sand almond ROSACEAE 4.3 v n ❀ Prunus ilicifolia var. ilicifolia holly-leaved cherry ROSACEAE v n Pseudognaphalium biolettii bicolored everlasting ASTERACEAE o 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 Quercus berberidifolia scrub oak FAGACEAE v n ❀ Rafinesquia californica California-chicory ASTERACEAE o n ❀ Ranunculus californicus California buttercup RANUNCULACEAE v i ❀ Raphanus sativus wild radish BRASSICACEAE v Scientific Name Common Name Family Rare n Rhamnus crocea spiny redberry RHAMNACEAE v n Rhus integrifolia lemonade berry ANACARDIACEAE v n Ribes divaricatum var. pubiflorum straggly gooseberry GROSSULARIACEAE v n ❀ Ribes menziesii var. menziesii canyon gooseberry GROSSULARIACEAE v n ❀ Ribes speciosum fuchsia-flowered gooseberry GROSSULARIACEAE v i ❀ Ricinus communis castor-bean EUPHORBIACEAE v n Rosa californica California wild rose ROSACEAE v n ❀ Rosa spithamea coast ground rose ROSACEAE v n Rubus parviflorus thimbleberry ROSACEAE r 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 n Rumex occidentalis western dock POLYGONACEAE v i Rumex pulcher fiddle dock POLYGONACEAE v n Rumex salicifolius var. salicifolius willow-leaved dock POLYGONACEAE v n Ruppia maritima common ditchgrass RUPPIACEAE v n Salicornia bigelovii dwarf glasswort, annual CHENOPODIACEAE v pickleweed n Salicornia pacifica common pickleweed, CHENOPODIACEAE v samphire n Salix laevigata red willow SALICACEAE r? n Salix lasiandra var. lasiandra Pacific willow SALICACEAE v n Salix lasiolepis arroyo willow, California SALICACEAE v pussywillow Scientific Name Common Name Family Rare i Salsola australis southern Russian-thistle CHENOPODIACEAE v? n ❀ Salvia columbariae chia LAMIACEAE v n ❀ Salvia mellifera black sage LAMIACEAE v n ❀ Salvia spathacea hummingbird sage LAMIACEAE v n ❀ Sambucus nigra subsp. caerulea blue elderberry ADOXACEAE v n ❀ Sanicula arguta sharp-toothed sanicle APIACEAE v n Sanicula crassicaulis common sanicle APIACEAE v n Sanicula laciniata coast sanicle APIACEAE v i Scandix pecten-veneris shepherd's needle APIACEAE v i Schismus arabicus Arabian Mediterranean POACEAE v grass i Schismus barbatus common Mediterranean POACEAE v grass 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 n Scrophularia californica subsp. floribunda California figwort SCROPHULARIACEAE v n ❀ Scutellaria tuberosa chaparral skullcap LAMIACEAE v n Selaginella bigelovii Bigelow's spike-moss SELAGINELLACEAE v i Senecio vulgaris common groundsel ASTERACEAE v Scientific Name Common Name Family Rare i Senna multiglandulosa downy senna FABACEAE 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 n ❀ Silene laciniata subsp. laciniata Indian pink, Mexican pink CARYOPHYLLACEAE v i ❀ Silybum marianum milk thistle ASTERACEAE v i Sisymbrium officinale common hedge mustard BRASSICACEAE o n ❀ Sisyrinchium bellum blue-eyed-grass IRIDACEAE v n ❀ Solanum douglasii Douglas' nightshade SOLANACEAE v i Solanum nigrum black nightshade SOLANACEAE v i Solanum physalifolium var. nitidibaccatum hairy nightshade SOLANACEAE v n ❀ Solanum umbelliferum var. xanti chaparral purple nightshade SOLANACEAE v n ❀ Solidago confinis southern goldenrod ASTERACEAE v 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 n Sparganium eurycarpum var. eurycarpum giant bur-reed TYPHACEAE v i Spergula arvensis corn spurrey CARYOPHYLLACEAE v n Spergularia macrotheca var. macrotheca beach sand-spurrey CARYOPHYLLACEAE v n Spergularia marina salt-marsh sandspurry, CARYOPHYLLACEAE v sticky sand-spurrey Scientific Name Common Name Family Rare i ❀ Spergularia rubra common sand-spurrey, red CARYOPHYLLACEAE v sand-spurrey i Spergularia villosa hairy sand spurrey CARYOPHYLLACEAE 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 i Stellaria pallida lesser chickweed CARYOPHYLLACEAE v n Stephanomeria elata Santa Barbara wire-lettuce ASTERACEAE v n Stephanomeria exigua subsp. carotifera Hoover's wire-lettuce ASTERACEAE v n ❀ Stephanomeria virgata subsp. virgata wand-stem wire-lettuce ASTERACEAE v n Stipa lepida foothill needlegrass POACEAE v i Stipa miliacea var. miliacea smilo POACEAE v n Stipa pulchra purple needlegrass POACEAE v n Suaeda californica California seablite CHENOPODIACEAE 1B.1 v n ❀ Symphoricarpos mollis creeping snowberry CAPRIFOLIACEAE v n Symphyotrichum subspicatum Douglas's-aster ASTERACEAE v i Tetragonia tetragonoides New Zealand-spinach AIZOACEAE v n ❀ Toxicodendron diversilobum poison-oak ANACARDIACEAE v n ❀ Toxicoscordion fremontii Fremont's death-camas, MELANTHIACEAE v star-zigadene i ❀ Tragopogon porrifolius salsify, purple goat's-beard ASTERACEAE v n ❀ Trifolium depauperatum var. truncatum truncate sac clover FABACEAE v i Trifolium fragiferum strawberry clover FABACEAE v i ❀ Trifolium hirtum rose clover FABACEAE v n Triglochin concinna var. concinna seaside arrow-grass JUNCAGINACEAE v Scientific Name Common Name Family Rare n Triodanis biflora Venus looking glass CAMPANULACEAE v n ❀ Triphysaria eriantha subsp. eriantha butter and eggs, common OROBANCHACEAE r Johnny-Tuck n Triphysaria pusilla miniature owl's-clover OROBANCHACEAE r n Turritis glabra tower mustard BRASSICACEAE 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 i Urtica urens annual stinging nettle URTICACEAE v n ❀ Vaccinium ovatum California huckleberry ERICACEAE v n Verbena lasiostachys var. scabrida western vervain VERBENACEAE v i Veronica anagallis-aquatica blue water speedwell PLANTAGINACEAE v n Vicia americana subsp. americana American vetch FABACEAE v i Vicia benghalensis purple vetch FABACEAE r? n Vicia gigantea giant vetch FABACEAE v i ❀ Vicia sativa subsp. sativa common vetch FABACEAE v i Vicia sativa subsp. nigra narrow-leaved common FABACEAE v vetch i Vicia villosa subsp. villosa winter vetch FABACEAE v i Vinca major greater periwinkle APOCYNACEAE v n ❀ Viola pedunculata Johnny jump-up, wild pansy VIOLACEAE v n Woodwardia fimbriata giant chain fern BLECHNACEAE r Scientific Name Common Name Family Rare n Xanthium strumarium cocklebur ASTERACEAE v n ❀ Zeltnera davyi Davy's centaury GENTIANACEAE v n Zostera marina common eelgrass ZOSTERACEAE v