Checklist1 of Vascular Flora Indian Knob area, Guidetti Ranch San Luis Obispo County, California (09 June 2019)

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

Scientific Name Common Name Fam,ily Rare n Acer negundo box-elder SAPINDACEAE o n ❀ americanus var. americanus Spanish-clover v n ❀ Acmispon glaber var. glaber common deerweed FABACEAE v n Acmispon junceus var. biolettii Biolett's rush deerweed FABACEAE v n Acmispon parviflorus miniature deervetch FABACEAE v n ❀ Acmispon strigosus strigose deer-vetch 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 Rare—California Rare Rank Scientific Name Common Name Fam,ily Rare n Acmispon wrangelianus California deervetch FABACEAE o n ❀ Acourtia microcephala sacapelote ASTERACEAE v n ❀ Adenostoma fasciculatum var. fasciculatum chamise v n Adiantum jordanii California maidenhair fern PTERIDACEAE v n ❀ Agoseris grandiflora var. grandiflora large-flowered mountain- ASTERACEAE o dandelion n Agrostis exarata western bentgrass, spike POACEAE v bentgrass n Agrostis hooveri Hoover's bentgrass POACEAE 1B.2 v n Agrostis pallens San Diego bentgrass POACEAE v i Aira caryophyllea silver hairgrass POACEAE v n Ambrosia psilostachya western ragweed ASTERACEAE v n Amsinckia intermedia common fiddleneck BORAGINACEAE v n Anaphalis margaritacea pearly everlasting ASTERACEAE o n ❀ Antirrhinum kelloggii climbing snapdragon PLANTAGINACEAE v n Antirrhinum nuttallianum subsp. subsessile Nuttall's snapdragon PLANTAGINACEAE v n ❀ Antirrhinum thompsonii bush snapdragon PLANTAGINACEAE v n Apiastrum angustifolium mock-celery APIACEAE v n Arctostaphylos pilosula Santa Margarita ERICACEAE 1B.2 v manzanita n ❀ Artemisia californica California sagebrush ASTERACEAE v n ❀ Artemisia douglasiana mugwort ASTERACEAE v n Artemisia dracunculus wild tarragon ASTERACEAE v n ❀ Asclepias eriocarpa woolly-pod milkweed, APOCYNACEAE v kotolo Scientific Name Common Name Fam,ily Rare n ❀ Asclepias fascicularis narrow-leaved milkweed APOCYNACEAE v i Avena barbata slender wild oats POACEAE v i Avena fatua common wild oats POACEAE v n ❀ Baccharis pilularis coyote bush ASTERACEAE v i Briza maxima rattlesnake grass, POACEAE o quaking grass i Briza minor little quaking grass POACEAE v n Bromus carinatus var. carinatus California brome POACEAE v i Bromus diandrus ripgut brome POACEAE v i Bromus hordeaceus soft chess brome POACEAE v i Bromus rubens red brome POACEAE v n ❀ Calochortus albus fairy lantern LILIACEAE o n ❀ Calochortus obispoensis San Luis Obispo star-tulip LILIACEAE 1B.2 v n ❀ Calystegia macrostegia subsp. cyclostegia coast morning glory CONVOLVULACEAE o n Camissoniopsis micrantha small-flowered suncup ONAGRACEAE v i Capsella bursa-pastoris shepherd's purse BRASSICACEAE v n ❀ Cardamine californica milk maids, rain bells, BRASSICACEAE v California toothwort i ❀ Carduus pycnocephalus Italian thistle ASTERACEAE v n Carex barbarae Santa Barbara sedge CYPERACEAE v n Carex globosa round-fruited sedge CYPERACEAE o n Carex praegracilis black creeper sedge CYPERACEAE v n Carex subbracteata small-bracted sedge CYPERACEAE v n ❀ Castilleja affinis subsp. affinis coast Indian paintbrush OROBANCHACEAE v Scientific Name Common Name Fam,ily Rare n Castilleja attenuata valley tassels, narrow- OROBANCHACEAE v leaved owl's-clover n Castilleja densiflora subsp. densiflora dense flowered owl's- OROBANCHACEAE v clover n ❀ Castilleja densiflora subsp. obispoensis San Luis Obispo owl's- OROBANCHACEAE 1B.2 v clover n Castilleja exserta subsp. exserta common owl's-clover OROBANCHACEAE v n Ceanothus cuneatus var. fascicularis dune buckbrush RHAMNACEAE 4.2 v n Ceanothus impressus var. nipomensis McMinn Nipomo Mesa ceanothus RHAMNACEAE v n ❀ Ceanothus spinosus greenbark ceanothus RHAMNACEAE v i ❀ Centaurea melitensis tocalote, Maltese star ASTERACEAE v thistle i Cerastium glomeratum annual mouse-ear v chickweed n ❀ Cercocarpus betuloides var. betuloides birch-leaf mountain- ROSACEAE v mahogany i ❀ Chondrilla juncea skeleton weed ASTERACEAE o n Chorizanthe diffusa diffuse spineflower POLYGONACEAE v n Chorizanthe obovata spoon- spineflower POLYGONACEAE v n Cirsium occidentale var. occidentale cobwebby thistle ASTERACEAE v i ❀ Cirsium vulgare bull thistle ASTERACEAE v n Clarkia affinis chaparral clarkia ONAGRACEAE v n ❀ Clarkia purpurea subsp. quadrivulnera fourspot clarkia ONAGRACEAE v n ❀ Clarkia speciosa subsp. immaculata Pismo clarkia ONAGRACEAE 1B.1 v n ❀ Clarkia unguiculata elegant clarkia ONAGRACEAE v n ❀ Claytonia perfoliata subsp. perfoliata common miner's lettuce MONTIACEAE v Scientific Name Common Name Fam,ily Rare n ❀ Clematis ligusticifolia virgin's bower v n ❀ Clinopodium douglasii yerba buena LAMIACEAE v n ❀ Collinsia heterophylla common Chinese houses PLANTAGINACEAE v i ❀ Conium maculatum poison hemlock APIACEAE o n ❀ Cordylanthus rigidus subsp. rigidus thread-leaved bird's-beak OROBANCHACEAE v n ❀ Corethrogyne filaginifolia California-aster ASTERACEAE o n ❀ Cornus sericea subsp. occidentalis creek dogwood CORNACEAE 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 n ❀ Croton setiger turkey-mullein EUPHORBIACEAE v n ❀ Cryptantha clevelandii var. florosa coastal cryptantha BORAGINACEAE v n Cryptantha microstachys Tejon cryptantha BORAGINACEAE v n Cuscuta californica var. californica common chaparral CONVOLVULACEAE v dodder i Cynodon dactylon Bermuda grass POACEAE v n Cyperus eragrostis common umbrella sedge CYPERACEAE v n Cyperus niger black flatsedge CYPERACEAE v i Dactylis glomerata orchard grass POACEAE o i Datura stramonium common jimson weed SOLANACEAE o n Daucus pusillus American wild carrot APIACEAE v n ❀ Deinandra increscens subsp. increscens grassland tarweed ASTERACEAE v Scientific Name Common Name Fam,ily Rare n ❀ Delairea odorata cape-ivy ASTERACEAE o n parryi subsp. blochmaniae Blochman's larkspur, RANUNCULACEAE 1B.2 v dune larkspur n ❀ Dendromecon rigida bush poppy, tree poppy PAPAVERACEAE v n ❀ Diplacus aurantiacus var. aurantiacus [Mimulus common bush PHRYMACEAE v aurantiacus] monkeyflower n ❀ Dipterostemon capitatus subsp. capitatus blue-dicks, schoolbells THEMIDACEAE o [Dichelostemma capitatum subsp. capitatum] n Distichlis spicata saltgrass POACEAE v n Dryopteris arguta California wood fern DRYOPTERIDACEAE v n Dudleya caespitosa coast dudleya CRASSULACEAE o n ❀ Dudleya lanceolata lance-leaf dudleya CRASSULACEAE v n ❀ Dudleya pulverulenta chalk dudleya CRASSULACEAE v i Echinochloa crus-galli common barnyard-grass POACEAE v i Ehrharta calycina common veldtgrass POACEAE v n Elymus condensatus giant wildrye POACEAE v n Elymus glaucus subsp. glaucus blue wildrye POACEAE v n Elymus triticoides beardless wildrye POACEAE v n ❀ Epilobium brachycarpum tall willow-herb ONAGRACEAE o n ❀ Epilobium canum subsp. canum California-fuchsia ONAGRACEAE v n Equisetum laevigatum slender scouring-rush EQUISETACEAE v n Equisetum telmateia subsp. braunii giant horsetail EQUISETACEAE v n Ericameria ericoides mock-heather ASTERACEAE v i Erigeron bonariensis South American ASTERACEAE v horseweed Scientific Name Common Name Fam,ily Rare i Erigeron canadensis common horseweed ASTERACEAE v n ❀ Erigeron philadelphicus Philadelphia fleabane ASTERACEAE v daisy n ❀ Eriodictyon altissimum Indian Knob mountain NAMACEAE 1B.1 v balm n ❀ Eriogonum fasciculatum var. fasciculatum coastal California POLYGONACEAE v buckwheat n ❀ Eriogonum parvifolium coastal buckwheat POLYGONACEAE o n ❀ Eriophyllum confertiflorum var. confertiflorum common golden-yarrow ASTERACEAE v n Eriophyllum multicaule many-branched woolly- ASTERACEAE v daisy i ❀ Erodium botrys storkbill filaree GERANIACEAE v i Erodium brachycarpum shortfruit storkbill filaree GERANIACEAE v i ❀ Erodium cicutarium redstem filaree GERANIACEAE o i Erodium moschatum greenstem filaree GERANIACEAE o n Erysimum capitatum var. capitatum western wallflower BRASSICACEAE v n Erythranthe floribunda [Mimulus floribundus] many-flowered PHRYMACEAE v monkeyflower n ❀ Eschscholzia californica California poppy PAPAVERACEAE v n ❀ Eucrypta chrysanthemifolia var. sweet eucrypta HYDROPHYLLACEAE o chrysanthemifolia i Euphorbia maculata [Chamaesyce maculata] spotted spurge EUPHORBIACEAE o i Festuca arundinacea tall fescue POACEAE v i Festuca bromoides brome fescue POACEAE v i Festuca myuros rattail fescue POACEAE o n Festuca octoflora sixweeks fescue POACEAE v Scientific Name Common Name Fam,ily Rare i Festuca perennis ryegrass POACEAE v i ❀ Foeniculum vulgare fennel APIACEAE o n ❀ Frangula californica subsp. californica California coffeeberry RHAMNACEAE v n ❀ Galium aparine cleavers, common RUBIACEAE v bedstraw, goosegrass 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 ❀ Geranium dissectum cut-leaved geranium GERANIACEAE v i Geranium molle dove's foot geranium GERANIACEAE o n ❀ Hazardia squarrosa var. squarrosa large-headed sawtooth ASTERACEAE o goldenbush 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 ❀ Hesperocnide tenella black-haired stinging URTICACEAE v nettle n Hesperomecon linearis carnival poppy PAPAVERACEAE v n ❀ Heteromeles arbutifolia toyon, Christmas berry, ROSACEAE v california-holly n ❀ Heterotheca grandiflora telegraph weed ASTERACEAE v i ❀ Hirschfeldia incana short-pod mustard, BRASSICACEAE o perennial mustard n Hordeum brachyantherum subsp. californicum California meadow barley POACEAE v Scientific Name Common Name Fam,ily Rare i Hordeum marinum subsp gussoneanum Mediterranean barley POACEAE o i Hordeum murinum subsp. leporinum mouse foxtail barley POACEAE v n cuneata var. cuneata wedgeleaf horkelia ROSACEAE v n Horkelia cuneata var. puberula mesa horkelia ROSACEAE 1B.1 v n Hydrocotyle verticillata whorled marsh-pennywort ARALIACEAE v n Hypericum anagalloides tinker's penny HYPERICACEAE v i ❀ Hypochaeris glabra smooth cat's-ear ASTERACEAE v n Isolepis cernua nodding dwarf bulrush, CYPERACEAE v California clubrush n Juncus bufonius var. bufonius common toadrush JUNCACEAE v n Juncus occidentalis western rush JUNCACEAE o n Juncus patens spreading rush JUNCACEAE v n ❀ Keckiella cordifolia red climbing-penstemon PLANTAGINACEAE v i Koeleria gerardii Mediterranean hairgrass POACEAE v i Lactuca saligna slender lettuce ASTERACEAE v i ❀ Lactuca serriola prickly lettuce ASTERACEAE o n ❀ Lagophylla ramosissima common hareleaf ASTERACEAE v i Lamarckia aurea goldentop grass POACEAE v i Lamium amplexicaule henbit LAMIACEAE o n ❀ Lathyrus vestitus var. vestitus Pacific sweet-pea FABACEAE o n Lemna gibba fat duckweed ARACEAE v n ❀ Lepidium nitidum shining peppercress BRASSICACEAE o n Lepidium strictum yellow-green peppercress BRASSICACEAE o n ❀ Leptosiphon parviflorus common babystars POLEMONIACEAE o Scientific Name Common Name Fam,ily Rare n Lessingia pectinata var. pectinata red-throat lessingia ASTERACEAE v n ❀ Linanthus californicus subsp. californicus common prickly-phlox POLEMONIACEAE v n Lithophragma affine common woodland star SAXIFRAGACEAE v n Logfia filaginoides California cotton-rose ASTERACEAE v i Logfia gallica narrow-leaved herba ASTERACEAE v impia n ❀ Lonicera hispidula California honeysuckle CAPRIFOLIACEAE o i ❀ corniculatus bird'sfoot trefoil FABACEAE o n Lupinus arboreus tree lupine FABACEAE v n Lupinus bicolor miniature lupine FABACEAE v n ❀ Lupinus hirsutissimus stinging lupine FABACEAE v n Lupinus latifolius var. latifolius broad-leaved lupine FABACEAE v n Lupinus ludovicianus San Luis Obispo lupine FABACEAE 1B.2 v n ❀ Lupinus nanus sky lupine FABACEAE v n Lupinus truncatus chaparral lupine FABACEAE v 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 gracilis slender tarweed ASTERACEAE o n ❀ Madia sativa coast tarweed ASTERACEAE v i Malva nicaeensis bull mallow MALVACEAE o i Malva parviflora small-flowered mallow, MALVACEAE o cheeseweed n ❀ Marah fabacea manroot, wild cucumber CUCURBITACEAE o vine Scientific Name Common Name Fam,ily Rare 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 n Melica imperfecta little melic POACEAE v i ❀ Melilotus albus white sweet-clover FABACEAE o i ❀ Melilotus indicus annual sweet-clover FABACEAE o n ❀ Micropus californicus var. californicus common cottonweed, ASTERACEAE o cottontop n Monardella sinuata subsp. sinuata curly-leaved monardella LAMIACEAE v n Muhlenbergia microsperma little-seeded muhly POACEAE v n Muhlenbergia rigens deergrass POACEAE v n ❀ Muilla maritima common muilla THEMIDACEAE 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 ❀ Nemophila menziesii baby blue eyes HYDROPHYLLACEAE v n Nuttallanthus texanus blue toadflax PLANTAGINACEAE v i ❀ Opuntia ficus-indica Indian-fig prickly-pear, CACTACEAE v mission prickly-pear n Oxalis pilosa pilose wood-sorrel OXALIDACEAE o n ❀ Paeonia californica California peony PAEONIACEAE vv n ❀ Pedicularis densiflora Indian warrior OROBANCHACEAE v n Pellaea andromedifolia coffee fern PTERIDACEAE o Scientific Name Common Name Fam,ily Rare n Pentagramma triangularis subsp. triangularis goldback fern PTERIDACEAE v n Persicaria punctata dotted smartweed POLYGONACEAE v n ❀ Phacelia distans fern-leaved phacelia HYDROPHYLLACEAE v n ❀ Phacelia imbricata subsp. imbricata wide-sepaled rock HYDROPHYLLACEAE o phacelia n Phacelia tanacetifolia tansyleaf phacelia HYDROPHYLLACEAE v n ❀ Phacelia viscida var. viscida sticky phacelia HYDROPHYLLACEAE v i Phalaris aquatica harding grass POACEAE v n ❀ Pholistoma auritum var. auritum fiesta flower HYDROPHYLLACEAE v n Phoradendron villosum subsp. villosum oak mistletoe VISCACEAE v n ❀ Pickeringia montana var. montana chaparral pea FABACEAE v n Pinus muricata bishop pine PINACEAE v n Plagiobothrys canescens valley popcorn flower BORAGINACEAE o n ❀ Plantago erecta foothill plantain PLANTAGINACEAE v i ❀ Plantago lanceolata English plantain PLANTAGINACEAE o i Plantago major common 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 o n depressum California allseed CARYOPHYLLACEAE v i Polygonum aviculare common knotweed POLYGONACEAE v n Polypodium californicum California polypody POLYPODIACEAE v n Polypodium calirhiza nested polypody POLYPODIACEAE v Scientific Name Common Name Fam,ily Rare i Polypogon monspeliensis rabbitfoot grass POACEAE v n Populus trichocarpa black cottonwood SALICACEAE v n ❀ Primula clevelandi [Dodecatheon clevelandii] Cleveland's shooting star PRIMULACEAE v n ❀ Prunus ilicifolia var. ilicifolia holly-leaved cherry ROSACEAE v n Pseudognaphalium biolettii bicolored everlasting ASTERACEAE v n ❀ Pseudognaphalium californicum California everlasting ASTERACEAE v i Pseudognaphalium luteoalbum Jersey cudweed ASTERACEAE v n Pteridium aquilinum var. pubescens bracken fern DENNSTAEDTIACEAE o i firethorn ROSACEAE v n Quercus agrifolia var. agrifolia coast live oak FAGACEAE v n ❀ Ranunculus californicus California buttercup RANUNCULACEAE v n Rhamnus crocea spiny redberry RHAMNACEAE v n ❀ Ribes speciosum fuchsia-flowered GROSSULARIACEAE o gooseberry n ❀ Rosa spithamea coast ground 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 pulcher fiddle dock POLYGONACEAE v n Rumex salicifolius var. salicifolius willow-leaved dock POLYGONACEAE v n Sagina decumbens subsp. occidentalis western pearlwort CARYOPHYLLACEAE v n Salix laevigata red willow SALICACEAE o n Salix lasiolepis arroyo willow, California SALICACEAE v pussywillow Scientific Name Common Name Fam,ily Rare n ❀ Salvia mellifera black sage LAMIACEAE v n ❀ Salvia spathacea hummingbird sage LAMIACEAE v n ❀ Sambucus nigra subsp. caerulea blue elderberry ADOXACEAE v n Samolus parviflorus seaside brookweed THEOPHRASTACEAE v n ❀ Sanicula arguta sharp-toothed sanicle APIACEAE v n Sanicula crassicaulis common sanicle APIACEAE v i Schinus molle Peruvian pepper-tree ANACARDIACEAE v n Scrophularia atrata black-flowered figwort SCROPHULARIACEAE 1B.2 v n ❀ Scrophularia californica subsp. californica California figwort SCROPHULARIACEAE v i Senecio vulgaris common groundsel ASTERACEAE o 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 n Silene verecunda San Francisco campion CARYOPHYLLACEAE v i ❀ Silybum marianum milk thistle ASTERACEAE v i Sisymbrium officinale common hedge mustard BRASSICACEAE o n ❀ Solanum douglasii Douglas' nightshade SOLANACEAE v n Solidago elongata west coast Canada ASTERACEAE v goldenrod 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 i Spergula arvensis corn spurrey CARYOPHYLLACEAE v Scientific Name Common Name Fam,ily Rare i ❀ Spergularia rubra common sand-spurrey, CARYOPHYLLACEAE o red sand-spurrey n ❀ Stachys bullata coast hedge-nettle LAMIACEAE o i Stellaria media common chickweed CARYOPHYLLACEAE o i Stellaria pallida lesser chickweed CARYOPHYLLACEAE o n Stephanomeria elata Santa Barbara wire- ASTERACEAE v lettuce i Stipa miliacea var. miliacea smilo POACEAE o n Stipa pulchra purple needlegrass POACEAE v n ❀ Symphoricarpos mollis creeping snowberry CAPRIFOLIACEAE v n ❀ Symphyotrichum chilense Pacific-aster ASTERACEAE v i Taraxacum officinale dandelion ASTERACEAE v n Thalictrum fendleri var. fendleri Fendler's meadow-rue RANUNCULACEAE v i Torilis arvensis common hedge-parsley APIACEAE o i Torilis nodosa knotted hedge-parsley APIACEAE v n ❀ Trichostema lanatum woolly bluecurls LAMIACEAE v n Trifolium ciliolatum foothill clover FABACEAE o n ❀ Trifolium depauperatum var. truncatum truncate sac clover FABACEAE v n Trifolium grayi Gray's clover FABACEAE v i ❀ Trifolium hirtum rose clover FABACEAE o i ❀ Trifolium incarnatum crimson clover FABACEAE v n Trifolium microcephalum miniature 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 Fam,ily Rare n ❀ Trifolium wormskioldii meadow clover FABACEAE v n Triodanis biflora Venus looking glass CAMPANULACEAE v n ❀ Triphysaria eriantha subsp. eriantha butter and eggs, common OROBANCHACEAE v Johnny-Tuck n Tropidocarpum gracile dobie-pod BRASSICACEAE v 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. lasiostachys western vervain VERBENACEAE v i Vicia sativa subsp. nigra narrow-leaved common FABACEAE v vetch i ❀ Vicia villosa subsp. varia narrow-leaved vetch FABACEAE v n ❀ Viola pedunculata Johnny jump-up, wild VIOLACEAE v pansy ? Xanthium spinosum spiny clotbur, Spanish- ASTERACEAE v thistle n Xanthium strumarium cocklebur ASTERACEAE v n ❀ Zeltnera davyi Davy's centaury GENTIANACEAE v