Checklist1 of Vascular Flora of Cambria San Luis Obispo County, (10 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 i Acacia longifolia golden wattle o i Acacia melanoxylon black-wood acacia FABACEAE v n Acer macrophyllum big-leaf maple SAPINDACEAE v n ❀ Achillea millefolium yarrow v n ❀ americanus var. americanus Spanish-clover FABACEAE o 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

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. 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 ❀ Acmispon strigosus strigose deer-vetch FABACEAE v n Acmispon wrangelianus California deervetch FABACEAE o n Agoseris apargioides var. apargioides seaside mountain-dandelion ASTERACEAE v n ❀ Agoseris grandiflora var. grandiflora large-flowered mountain- ASTERACEAE v dandelion 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 Aira caryophyllea silver hairgrass POACEAE v i Albizia lophantha plume-acacia FABACEAE v n Alnus rhombifolia white alder BETULACEAE v i Amaranthus deflexus large-fruited amaranth AMARANTHACEAE o n Ambrosia chamissonis beach bursage, beachbur ASTERACEAE v n Amsinckia spectabilis var. spectabilis seaside fiddleneck BORAGINACEAE v n Anaphalis margaritacea pearly everlasting ASTERACEAE v i ❀ Anthemis cotula mayweed, dog-fennel ASTERACEAE v n Aphanes occidentalis western parsley-piert ROSACEAE v n Aphyllon californicum subsp. grande California broomrape OROBANCHACEAE v n Arceuthobium campylopodum subsp. littorum coastal dwarf mistletoe VISCACEAE v n crustacea subsp. crinita Santa Cruz Mountains v manzanita n Arctostaphylos cruzensis Arroyo de la Cruz manzanita ERICACEAE 1B.2 v n Arctostaphylos glandulosa subsp. Cushing manzanita ERICACEAE v cushingiana n ❀ Arctostaphylos obispoensis bishop manzanita ERICACEAE 4.3 ? n subsp. tomentosa wooly-leaf manzanita ERICACEAE v Scientific Name Common Name Family Rare i Arctotheca prostrata creeping capeweed ASTERACEAE v n Armeria maritima subsp. californica sea-pink, thrift PLUMBAGINACEAE v n ❀ Artemisia californica California sagebrush ASTERACEAE o n ❀ Artemisia douglasiana mugwort ASTERACEAE o n Astragalus nuttallii var. nuttallii ocean bluff locoweed, ocean FABACEAE 4.2 v bluff milk-vetch n Astragalus pomonensis Pomona locoweed FABACEAE 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 i Avena sativa cultivated oats POACEAE v n ❀ Baccharis glutinosa marsh baccharis ASTERACEAE v n ❀ Baccharis pilularis coyote bush ASTERACEAE v n ❀ Bloomeria crocea var. aurea common goldenstar THEMIDACEAE v n Bloomeria humilis dwarf goldenstar THEMIDACEAE 1B.2 v 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 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 Bromus carinatus var. carinatus California brome POACEAE v i Bromus catharticus var. catharticus rescue grass POACEAE v i Bromus diandrus ripgut brome POACEAE v Scientific Name Common Name Family Rare i Bromus hordeaceus soft chess brome POACEAE v i Bromus rubens red brome POACEAE o i Cakile maritima European sea rocket BRASSICACEAE v n ❀ Calandrinia menziesii [Calandrinia ciliata] red maids MONTIACEAE v i Calendula officinalis pot-marigold ASTERACEAE v n Calibrachoa parviflora wild-petunia SOLANACEAE v n Callitriche marginata California water starwort PLANTAGINACEAE v n Callitriche trochlearis effluent water starwort PLANTAGINACEAE v n ❀ Calochortus albus fairy lantern LILIACEAE v n Calochortus luteus yellow mariposa lily LILIACEAE v n ❀ Calystegia macrostegia subsp. cyclostegia coast morning glory CONVOLVULACEAE v n ❀ Calystegia subacaulis subsp. episcopalis San Luis Obispo morning CONVOLVULACEAE 4.2 v glory, Cambria morning glory 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 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 harfordii Harford's sedge CYPERACEAE v n Carex subbracteata small-bracted sedge CYPERACEAE v i ❀ Carpobrotus edulis highway iceplant AIZOACEAE o i ❀ Carthamus lanatus woolly distaff thistle ASTERACEAE v n ❀ Castilleja affinis subsp. affinis coast Indian paintbrush OROBANCHACEAE v n ❀ Castilleja densiflora subsp. obispoensis San Luis Obispo owl's-clover OROBANCHACEAE 1B.2 v Scientific Name Common Name Family Rare n Castilleja exserta subsp. exserta common owl's-clover OROBANCHACEAE v n ❀ Ceanothus cuneatus var. ramulosus coast buckbrush RHAMNACEAE v i Cenchrus clandestinus kikiyu grass POACEAE o i Cenchrus setaceus purple fountaingrass POACEAE o 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 o i Chloris gayana Rhodes grass POACEAE v n ❀ Chlorogalum pomeridianum var. common soap plant AGAVACEAE o pomeridianum n Cicendia quadrangularis timwort GENTIANACEAE v n Cirsium brevistylum Indian thistle ASTERACEAE v n Cirsium occidentale var. compactum compact cobwebby thistle ASTERACEAE 1B.2 v i ❀ Cirsium vulgare bull thistle ASTERACEAE v n Clarkia prostrata prostrate clarkia ONAGRACEAE v n ❀ Clarkia purpurea subsp. quadrivulnera fourspot 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 o i ❀ Convolvulus arvensis bindweed, field morning glory CONVOLVULACEAE o n ❀ Corethrogyne filaginifolia California-aster ASTERACEAE o n ❀ Cornus sericea subsp. sericea red-osier dogwood CORNACEAE v i Cortaderia jubata jubata grass POACEAE v i Cotoneaster franchetii orange cotoneaster ROSACEAE v i Cotoneaster lacteus big-leaved cotoneaster ROSACEAE v Scientific Name Common Name Family Rare i Cotoneaster pannosus silverleaf cotoneaster ROSACEAE v i Cotula australis Australian cotula ASTERACEAE v i ❀ Cotula coronopifolia brass buttons ASTERACEAE v n Crassula aquatica water pygmyweed CRASSULACEAE v n ❀ Crassula connata common pygmyweed CRASSULACEAE v i Crassula tillaea moss pygmyweed CRASSULACEAE v i Crypsis schoenoides common pricklegrass POACEAE v i Cymbalaria muralis kenilworth-ivy PLANTAGINACEAE v i Cynodon dactylon Bermuda grass POACEAE o n Cyperus eragrostis common umbrella sedge CYPERACEAE v i Dactylis glomerata orchard grass POACEAE v n Danthonia californica California oatgrass POACEAE v n Daucus pusillus American wild carrot APIACEAE v n corymbosa central coast tarweed ASTERACEAE v n ❀ Deinandra fasciculata clustered 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 n Deschampsia elongata slender hairgrass POACEAE v i Dimorphotheca ecklonis blue and white African daisy ASTERACEAE o n ❀ Diplacus aurantiacus var. aurantiacus common bush monkeyflower PHRYMACEAE v [Mimulus aurantiacus] i Dipsacus fullonum wild teasel DIPSACACEAE v i ❀ Dipsacus sativus fuller's teasel DIPSACACEAE v n ❀ Dipterostemon capitatus subsp. capitatus blue-dicks, schoolbells THEMIDACEAE v [Dichelostemma capitatum subsp. capitatum] Scientific Name Common Name Family Rare n Drymocallis glandulosa var. glandulosa sticky cinquefoil ROSACEAE v n Dryopteris arguta California wood fern DRYOPTERIDACEAE v n ❀ Dudleya lanceolata lance-leaf dudleya CRASSULACEAE v n Dudleya palmeri Palmer's dudleya CRASSULACEAE v i Dysphania ambrosioides Mexican-tea CHENOPODIACEAE o n Eleocharis acicularis var. acicularis needle spike-rush CYPERACEAE v n Eleocharis macrostachya common spike-rush CYPERACEAE v n Elymus condensatus giant wildrye POACEAE v n Elymus glaucus subsp. glaucus blue wildrye POACEAE o n ❀ Epilobium canum subsp. canum California-fuchsia ONAGRACEAE v n Epilobium ciliatum subsp. watsonii northern willowherb ONAGRACEAE v n Equisetum telmateia subsp. braunii giant horsetail EQUISETACEAE v i Erigeron bonariensis South American horseweed ASTERACEAE o i Erigeron canadensis common horseweed ASTERACEAE o n Erigeron glaucus seaside daisy ASTERACEAE v i Erigeron karvinskianus Santa Barbara daisy ASTERACEAE o n Erigeron sanctarum the saints' fleabane daisy ASTERACEAE 4.2 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 o i ❀ Erodium cicutarium redstem filaree GERANIACEAE o i Erodium moschatum greenstem filaree GERANIACEAE o n Eryngium armatum coast coyote-thistle, coast APIACEAE v button-celery n ❀ Erythranthe guttata [Mimulus guttatus] common monkeyflower PHRYMACEAE v Scientific Name Common Name Family Rare n ❀ Eschscholzia californica California poppy PAPAVERACEAE v i Eucalyptus globulus blue gum MYRTACEAE v i Euphorbia lathyris caper spurge EUPHORBIACEAE v i Euphorbia maculata [Chamaesyce maculata] spotted spurge EUPHORBIACEAE o i ❀ Euphorbia peplus petty spurge EUPHORBIACEAE v i Euphorbia serpens [Chamaesyce serpens] round-leaved spurge EUPHORBIACEAE o n Euthamia occidentalis western goldenrod ASTERACEAE v i Fallopia baldschuanica Bukhara fleeceflower POLYGONACEAE v i Festuca arundinacea tall fescue POACEAE v i Festuca bromoides brome fescue POACEAE v i Festuca myuros rattail fescue POACEAE v i Festuca perennis ryegrass POACEAE v i ❀ Foeniculum vulgare fennel APIACEAE o n Fragaria vesca woodland strawberry ROSACEAE v n ❀ Frangula californica subsp. californica California coffeeberry RHAMNACEAE v i Freesia leichtlinii subsp. alba white freesia IRIDACEAE v n ❀ Fritillaria biflora var. biflora chocolate lily LILIACEAE v i Fuchsia magellanica hardy fuchsia ONAGRACEAE v i Fumaria officinalis common fumitory PAPAVERACEAE v n ❀ Galium aparine cleavers, common bedstraw, RUBIACEAE o goosegrass n Galium californicum subsp. flaccidum California bedstraw RUBIACEAE v n Galium californicum subsp. maritimum California bedstraw RUBIACEAE v n ❀ Gamochaeta ustulata Pacific cudweed ASTERACEAE v i Gastridium phleoides nitgrass POACEAE v i ❀ Genista monspessulana French broom FABACEAE v Scientific Name Common Name Family Rare 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 Hedera canariensis Algerian ivy ARALIACEAE ? i Hedypnois rhagadioloides Creteweed ASTERACEAE o n Helenium puberulum rosilla sneezeweed ASTERACEAE v i ❀ Helminthotheca echioides bristly oxtongue ASTERACEAE v n ❀ Hemizonia congesta subsp. luzulifolia hayfield tarweed ASTERACEAE v n Heracleum maximum cow-parsnip APIACEAE v n1 Hesperocyparis macrocarpa Monterey cypress CUPRESSACEAE v n Heterocodon rariflorum heterocodon CAMPANULACEAE v n ❀ Heteromeles arbutifolia toyon, Christmas berry, ROSACEAE v california-holly i ❀ Hirschfeldia incana short-pod mustard, perennial BRASSICACEAE o mustard n ❀ Hoita orbicularis round-leaved leatherroot FABACEAE v i Holcus lanatus velvetgrass POACEAE o n ❀ Holodiscus discolor ocean spray, creambush ROSACEAE v 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 cuneata var. cuneata wedgeleaf horkelia ROSACEAE v n Horkelia cuneata var. puberula mesa horkelia ROSACEAE 1B.1 v n Horkelia cuneata var. sericea Kellogg's horkelia ROSACEAE 1B.1 v Scientific Name Common Name Family Rare n Hosackia gracilis harlequin FABACEAE 4.2 v i Hypericum perforatum Klamath weed HYPERICACEAE v i ❀ Hypochaeris glabra smooth cat's-ear ASTERACEAE v i ❀ Hypochaeris radicata rough cat's-ear ASTERACEAE v n Isocoma menziesii var. sedoides coastal goldenbush ASTERACEAE o n Isoetes howellii Howell's quillwort ISOETACEAE v n Isoetes nuttallii Nuttall's quillwort ISOETACEAE v n Isoetes orcuttii Orcutt's quillwort ISOETACEAE v n Isolepis carinata keeled dwarf bulrush CYPERACEAE v n Isolepis cernua nodding dwarf bulrush, CYPERACEAE v California clubrush n1 Juglans hindsii northern California black JUGLANDACEAE v walnut n Juncus balticus subsp. ater baltic rush JUNCACEAE v n Juncus bufonius var. bufonius common toadrush JUNCACEAE v 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 i Kickxia spuria round-leaved fluellen PLANTAGINACEAE v n Koeleria macrantha Junegrass POACEAE v i Lactuca saligna slender lettuce ASTERACEAE v i ❀ Lactuca serriola prickly lettuce ASTERACEAE v n ❀ Lasthenia gracilis common goldfields ASTERACEAE v n Lasthenia minor cut-leaved goldfields, coastal ASTERACEAE v goldfields i Lathyrus odoratus garden sweet-pea FABACEAE v Scientific Name Common Name Family Rare i Lathyrus tingitanus Tangier sweet-pea FABACEAE v n ❀ Lathyrus vestitus var. vestitus Pacific sweet-pea FABACEAE v n ❀ Layia platyglossa common tidytips ASTERACEAE v i Lepidium chalepense lens-pod hoary-cress BRASSICACEAE v i Lepidium draba heart-pod hoary-cress BRASSICACEAE v n Lepidium strictum yellow-green peppercress BRASSICACEAE v i Lobularia maritima sweet-alyssum BRASSICACEAE o i Logfia gallica narrow-leaved herba impia ASTERACEAE v n Lomatium caruifolium var. caruifolium caraway-leaved biscuitroot APIACEAE o n ❀ Lomatium utriculatum spring gold biscuitroot APIACEAE v n ❀ Lonicera hispidula California honeysuckle CAPRIFOLIACEAE v n Lonicera involucrata var. ledebourii twinberry CAPRIFOLIACEAE v n Lonicera japonica Japanese honeysuckle CAPRIFOLIACEAE v i ❀ Lotus corniculatus bird'sfoot trefoil FABACEAE v n Lupinus arboreus tree lupine FABACEAE v n Lupinus bicolor miniature lupine FABACEAE v n Lupinus latifolius var. latifolius broad-leaved lupine FABACEAE v n ❀ Lupinus microcarpus var. densiflorus dense-flowered chick lupine FABACEAE v n Luzula subsessilis short-stalked wood-rush JUNCACEAE v i ❀ Lysimachia arvensis [Anagallis arvensis] scarlet pimpernel MYRSINACEAE o n Lysimachia minima [Anagallis minima] chaffweed MYRSINACEAE v i Lythrum hyssopifolia hyssop loosestrife LYTHRACEAE v n ❀ Madia sativa coast tarweed ASTERACEAE v n ❀ Mahonia pinnata subsp. pinnata coast mahonia BERBERIDACEAE v n Malacothamnus palmeri var. palmeri Santa Lucia bush mallow MALVACEAE 1B.2 v i Malva arborea tree mallow MALVACEAE v Scientific Name Common Name Family Rare i Malva parviflora small-flowered mallow, MALVACEAE o cheeseweed n ❀ Marah fabacea manroot, wild cucumber vine CUCURBITACEAE v i Medicago arabica spotted burclover, spotted FABACEAE v medic i Medicago polymorpha California bur-clover FABACEAE v n Melica imperfecta little melic POACEAE v i ❀ Melilotus indicus annual sweet-clover FABACEAE v i Melissa officinalis lemon balm, garden balm LAMIACEAE v i Mentha canadensis field mint LAMIACEAE v i Mercurialis ambigua Spanish mercury EUPHORBIACEAE v n Microseris bigelovii coast microseris ASTERACEAE v n Microseris douglasii subsp. tenella short scaled microseris ASTERACEAE v n Monardella subglabra smooth coyote mint LAMIACEAE v n ❀ Monardella villosa subsp. obispoensis Obispo coyote-mint LAMIACEAE v n Monolopia gracilens woodland hillside daisy, ASTERACEAE 1B.2 v woodland woolythreads n Montia fontana blinks, water-chickweed MONTIACEAE v n Morella californica California wax-myrtle MYRICACEAE v i Myosotis latifolia broad-leaved forget-me-not BORAGINACEAE v i ❀ Nasturtium officinale common watercress BRASSICACEAE o n Oemleria cerasiformis osoberry ROSACEAE v n ❀ Oenanthe sarmentosa water-parsley APIACEAE v n ❀ Oenothera elata subsp. hookeri tall evening-primrose ONAGRACEAE v i Oxalis corniculata creeping wood-sorrel, yellow OXALIDACEAE o wood-sorrel i Oxalis laxa dwarf wood-sorrel OXALIDACEAE v Scientific Name Common Name Family Rare i ❀ Oxalis pes-caprae Bermuda-buttercup OXALIDACEAE o n Oxalis pilosa pilose wood-sorrel OXALIDACEAE v i Oxalis purpurea purple wood-sorrel OXALIDACEAE v n ❀ Paeonia californica California peony PAEONIACEAE v n Panicum acuminatum Pacific panicgrass POACEAE v i Parapholis incurva sicklegrass POACEAE v i Passiflora tarminiana banana poka PASSIFLORACEAE v i Pelargonium grossularioides gooseberry geranium GERANIACEAE v 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 ❀ Phacelia imbricata subsp. imbricata wide-sepaled rock phacelia HYDROPHYLLACEAE v n Phacelia nemoralis subsp. nemoralis shady-woods phacelia HYDROPHYLLACEAE v i Phalaris aquatica harding grass POACEAE v n Phalaris californica California canarygrass POACEAE v n Phyla nodiflora frogfruit VERBENACEAE v n Phyllospadix scouleri Scouler's surfgrass ZOSTERACEAE v n Pinus radiata Monterey pine PINACEAE 1B.1 v n ❀ Piperia elongata chaparral rein orchid ORCHIDACEAE v n Piperia michaelii Michael's rein orchid ORCHIDACEAE 4.2 ? i Pittosporum undulatum Victorian-box PITTOSPORACEAE v n Plagiobothrys trachycarpus rough-nutlet popcorn flower BORAGINACEAE v n Plagiobothrys undulatus wavy-stemmed popcorn BORAGINACEAE 1B.2 v flower i Plantago coronopus cutleaf plantain PLANTAGINACEAE o n Plantago elongata vernal pool plantain PLANTAGINACEAE v i ❀ Plantago lanceolata English plantain PLANTAGINACEAE v Scientific Name Common Name Family Rare i Plantago major common plantain PLANTAGINACEAE v n Platanus racemosa California sycamore PLATANACEAE v i Plecostachys serpyllifolia cobweb bush, petite-licorice ASTERACEAE v i Poa annua annual bluegrass POACEAE v i Polycarpon tetraphyllum four-leaved allseed CARYOPHYLLACEAE v i Polygonum aviculare common knotweed POLYGONACEAE v n Polypodium californicum California polypody POLYPODIACEAE v n Polypodium calirhiza nested 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 trichocarpa black cottonwood SALICACEAE 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] i Prunus cerasifera cherry plum ROSACEAE v 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 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 Quercus agrifolia var. agrifolia coast live oak FAGACEAE v Scientific Name Common Name Family Rare n Quercus parvula var. parvula Santa Cruz Island Oak FABACEAE v n ❀ Ranunculus californicus California buttercup RANUNCULACEAE v i ❀ Raphanus sativus wild radish BRASSICACEAE v i ❀ Rhaponticum repens Russian knapweed ASTERACEAE 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 sericeum Santa Lucia gooseberry GROSSULARIACEAE 4.3 v n ❀ Ribes speciosum fuchsia-flowered gooseberry GROSSULARIACEAE v n Rosa californica California wild rose ROSACEAE v n Rosa pinetorum pine rose ROSACEAE ? n ❀ Rosa spithamea coast ground rose ROSACEAE v i Rubus armeniacus Himalayan blackberry ROSACEAE v I Rubus ulmifolius var. anoplothyrsus elmleaf blackberry 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 o i Rumex kerneri Kerner's dock POLYGONACEAE v i Rumex pulcher fiddle dock POLYGONACEAE v n Rumex salicifolius var. salicifolius willow-leaved dock POLYGONACEAE 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 spathacea hummingbird sage LAMIACEAE o Scientific Name Common Name Family Rare 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 n Schoenoplectus pungens var. longispicatus common three-square bulrush CYPERACEAE v n Scirpus microcarpus small-fruited bulrush CYPERACEAE v n ❀ Scrophularia californica subsp. californica California figwort SCROPHULARIACEAE v n ❀ Scutellaria tuberosa chaparral skullcap LAMIACEAE v n Senecio californicus California ragwort ASTERACEAE v i Senecio vulgaris common groundsel ASTERACEAE o n Sidalcea diploscypha fringed checkerbloom MALVACEAE v i ❀ Silene gallica windmill pink CARYOPHYLLACEAE v n ❀ Silene laciniata subsp. laciniata Indian pink, Mexican pink CARYOPHYLLACEAE v i ❀ Sinapis arvensis charlock BRASSICACEAE v i Sisymbrium altissimum tumble mustard BRASSICACEAE v n ❀ Sisyrinchium bellum blue-eyed-grass IRIDACEAE v n ❀ Solanum douglasii Douglas' nightshade SOLANACEAE v n ❀ Solanum umbelliferum var. xanti chaparral purple nightshade SOLANACEAE v i Soleirolia soleirolii baby's tears URTICACEAE v n ❀ Solidago velutina subsp. californica California goldenrod ASTERACEAE o 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 Sparaxis bulbifera white harlequin flower IRIDACEAE v n ❀ Sparganium eurycarpum giant bur-reed TYPHACEAE v Scientific Name Common Name Family Rare 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 i ❀ Spergularia rubra common sand-spurrey, red CARYOPHYLLACEAE v sand-spurrey i Spergularia villosa hairy sand spurrey CARYOPHYLLACEAE v n Spiranthes romanzoffiana hooded ladies' tresses ORCHIDACEAE v n ❀ Stachys ajugoides bugle hedge-nettle LAMIACEAE v n ❀ Stachys bullata coast hedge-nettle LAMIACEAE v i Stellaria media common chickweed CARYOPHYLLACEAE v n Stipa lepida foothill needlegrass POACEAE v n Stipa pulchra purple needlegrass POACEAE v i Stipa tenuissima fine-leaved needlegrass POACEAE o n ❀ Symphoricarpos mollis creeping snowberry CAPRIFOLIACEAE v n ❀ Symphyotrichum chilense Pacific-aster ASTERACEAE v i Taraxacum officinale dandelion ASTERACEAE v n Taraxia ovata coast suncup, golden eggs ONAGRACEAE v suncup n ❀ Thalictrum fendleri var. polycarpum tall meadow-rue RANUNCULACEAE 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 n Trifolium barbigerum bearded clover FABACEAE v n Trifolium bifidum var. bifidum pinole clover FABACEAE v n Trifolium bifidum var. decipiens pinole clover FABACEAE v i Trifolium campestre hop clover FABACEAE v Scientific Name Common Name Family Rare n Trifolium depauperatum var. amplectens pale sac clover FABACEAE v i Trifolium dubium little hop clover FABACEAE v n ❀ Trifolium fucatum bull clover FABACEAE v n Trifolium macraei Macrae's clover FABACEAE v n Trifolium microcephalum miniature clover FABACEAE v i Trifolium pratense red 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 n Triglochin scilloides flowering-quillwort JUNCAGINACEAE v n Triodanis biflora Venus looking glass CAMPANULACEAE v n ❀ Triphysaria eriantha subsp. eriantha butter and eggs, common OROBANCHACEAE v Johnny-Tuck n Triphysaria eriantha subsp. rosea white johnny-tuck OROBANCHACEAE v n Triphysaria pusilla miniature owl's-clover OROBANCHACEAE v i ❀ Tropaeolum majus garden nasturtium TROPAEOLACEAE v n Turritis glabra tower mustard BRASSICACEAE v n Umbellularia californica California laurel, California LAURACEAE v bay n ❀ Urtica dioica subsp. holosericea perennial stinging nettle URTICACEAE v n ❀ Vaccinium ovatum California huckleberry ERICACEAE v i Veronica anagallis-aquatica blue water speedwell PLANTAGINACEAE v i Veronica catenata pink water speedwell, chain PLANTAGINACEAE v speedwell n Vicia americana subsp. americana American vetch FABACEAE v i Vicia benghalensis purple vetch FABACEAE v i ❀ Vicia sativa subsp. sativa common vetch FABACEAE v Scientific Name Common Name Family Rare i ❀ Vicia villosa subsp. varia narrow-leaved vetch FABACEAE o i Vinca major greater periwinkle APOCYNACEAE v n ❀ Viola pedunculata Johnny jump-up, wild pansy VIOLACEAE v ? Xanthium spinosum spiny clotbur, Spanish-thistle ASTERACEAE v n Zannichellia palustris horned-pondweed ZANNICHELLIACEAE v n ❀ Zeltnera davyi Davy's centaury GENTIANACEAE v