Checklist1 of Vascular Flora of Calf Canyon and Vicinity2 San Luis Obispo County, California (08 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 ❀ Achillea millefolium yarrow ASTERACEAE o n Acmispon brachycarpus shortpod deervetch FABACEAE o n ❀ Acmispon strigosus strigose deer-vetch FABACEAE v n Acmispon wrangelianus California deervetch FABACEAE o n ❀ Acourtia microcephala sacapelote ASTERACEAE v

1 Please notify the author of additions or corrections to this list ([email protected]). Some of the native plants on this list were introduced to the preserve as a part of site management and restoration. ❀ — 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). Some of these species are historical records and no longer occur at Sweet Springs. o — observed during field surveys; no voucher specimen known R—California Rare Plant Rank

2 Highway 58 and Highway 229 corridors east of Salinas River Scientific Name Common Name Family Rare n ❀ Adenostoma fasciculatum var. fasciculatum chamise ROSACEAE v n Adiantum jordanii California maidenhair fern PTERIDACEAE v n ❀ Agoseris grandiflora var. grandiflora large-flowered mountain- ASTERACEAE v dandelion n Agoseris heterophylla var. cryptopleura annual mountain-dandelion ASTERACEAE o i Aira caryophyllea silver hairgrass POACEAE v n Ambrosia acanthicarpa annual bursage, burweed ASTERACEAE v n Amorpha californica var. californica false indigo-bush FABACEAE v n Amsinckia intermedia common fiddleneck BORAGINACEAE v n ❀ Amsinckia menziesii small-flowered fiddleneck BORAGINACEAE v i Anthriscus caucalis bur-chervil APIACEAE v n ❀ Antirrhinum kelloggii climbing snapdragon PLANTAGINACEAE v n ❀ Antirrhinum thompsonii bush snapdragon PLANTAGINACEAE v n Aphanes occidentalis western parsley-piert ROSACEAE v n Aphyllon californicum subsp. condensum California broomrape OROBANCHACEAE v n Apiastrum angustifolium mock-celery APIACEAE v n Arceuthobium subsp. occidentale western dwarf mistletoe VISCACEAE o n Arctostaphylos glauca bigberry manzanita ERICACEAE o n ❀ Artemisia douglasiana mugwort ASTERACEAE v n Artemisia dracunculus wild tarragon ASTERACEAE v n ❀ Asclepias eriocarpa woolly-pod milkweed, kotolo APOCYNACEAE v n Astragalus douglasii var. douglasii Douglas's locoweed, FABACEAE v Douglas's milk-vetch n Athysanus pusillus dwarf sandweed BRASSICACEAE v i Avena barbata slender wild oats POACEAE v i Avena fatua common wild oats POACEAE o n ❀ Baccharis pilularis coyote bush ASTERACEAE o Scientific Name Common Name Family Rare n Baccharis salicifolia mule fat, seep-willow ASTERACEAE v n ❀ Barbarea orthoceras American wintercress BRASSICACEAE v n ❀ Blitum californicum [Chenopodium California goosefoot CHENOPODIACEAE v californicum] n Bowlesia incana bowlesia APIACEAE v i Briza maxima rattlesnake grass, quaking POACEAE o grass i Bromus arenarius Australian chess POACEAE v n Bromus carinatus var. carinatus California brome POACEAE o i Bromus diandrus ripgut brome POACEAE o i Bromus hordeaceus soft chess brome POACEAE v i Bromus rubens red brome POACEAE v i Bromus tectorum cheat grass, downy chess POACEAE v n Calandrinia breweri Brewer's calandrinia MONTIACEAE 4.2 v n ❀ Calandrinia menziesii [Calandrinia ciliata] red maids MONTIACEAE v n Calochortus simulans La Panza mariposa lily LILIACEAE 1B.3 v n Calyptridium monandrum sand-cress pussypaws MONTIACEAE v n Calystegia longipes long-stalked morning glory CONVOLVULACEAE v n Calystegia malacophylla subsp. pedicellata woolly morning glory CONVOLVULACEAE o n Camissonia contorta contorted-pod suncup ONAGRACEAE v n Camissonia strigulosa strigose suncup ONAGRACEAE v n Camissoniopsis hardhamiae Hardham's suncup, ONAGRACEAE 1B.2 v Hardham's evening-primrose n Camissoniopsis micrantha small-flowered suncup ONAGRACEAE v i Capsella bursa-pastoris shepherd's purse BRASSICACEAE o i ❀ Carduus pycnocephalus Italian thistle ASTERACEAE v n Castilleja exserta subsp. exserta common owl's-clover OROBANCHACEAE v Scientific Name Common Name Family Rare n Castilleja foliolosa woolly Indian paintbrush OROBANCHACEAE o n ❀ Castilleja minor subsp. spiralis annual Indian paintbrush OROBANCHACEAE v n Ceanothus cuneatus var. cuneatus common buckbrush RHAMNACEAE v n Ceanothus leucodermis chaparral white-thorn, RHAMNACEAE v whitebark ceanothus i Centaurea benedicta blessed thistle ASTERACEAE v i ❀ Centaurea melitensis tocalote, Maltese star thistle ASTERACEAE v i ❀ Centaurea solstitialis yellow star thistle ASTERACEAE o n Centromadia pungens subsp. pungens common spikeweed ASTERACEAE v i Cerastium glomeratum annual mouse-ear chickweed CARYOPHYLLACEAE v n ❀ Cercocarpus betuloides var. betuloides birch-leaf mountain- ROSACEAE o mahogany n Chaenactis glabriuscula var. glabriuscula common yellow pincushion ASTERACEAE v n Chaenactis glabriuscula var. lanosa sand buttons, woolly yellow ASTERACEAE v pincushion n Chenopodium pratericola desert goosefoot CHENOPODIACEAE v i ❀ Chondrilla juncea skeleton weed ASTERACEAE v n Chorizanthe membranacea pink spineflower POLYGONACEAE v n Chorizanthe rectispina straight-awned spineflower POLYGONACEAE 1B.3 v n Chorizanthe staticoides Turkish-rugging spineflowe POLYGONACEAE v n Cirsium occidentale var. venustum Venus thistle, red thistle ASTERACEAE v n Clarkia cylindrica subsp. cylindrica speckled clarkia ONAGRACEAE v n Clarkia modesta narrow-petaled clarkia ONAGRACEAE v n ❀ Clarkia purpurea subsp. quadrivulnera fourspot clarkia ONAGRACEAE v n Clarkia speciosa subsp. speciosa red-spot clarkia ONAGRACEAE v n ❀ Clarkia unguiculata elegant clarkia ONAGRACEAE v n Claytonia parviflora subsp. parviflora narrow-leaved miner's lettuce MONTIACEAE v Scientific Name Common Name Family Rare n ❀ Claytonia perfoliata subsp. perfoliata common miner's lettuce MONTIACEAE v n Collinsia bartsiifolia var. davidsonii Davidson's Chinese houses PLANTAGINACEAE 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 ❀ Crassula connata common pygmyweed CRASSULACEAE v i Crassula tillaea moss pygmyweed CRASSULACEAE o n ❀ Crocanthemum scoparium California rush-rose CISTACEAE v n ❀ Croton setiger turkey-mullein EUPHORBIACEAE o n ❀ Cryptantha clevelandii var. florosa coastal cryptantha BORAGINACEAE v n Cryptantha corollata coast range cryptantha BORAGINACEAE o n Cryptantha flaccida flaccid cryptantha BORAGINACEAE o n Cryptantha intermedia var. intermedia Nievitas cryptantha BORAGINACEAE v n Cryptantha microstachys Tejon cryptantha BORAGINACEAE v n ❀ Cuscuta subinclusa canyon dodder CONVOLVULACEAE v n ❀ Datisca glomerata durango root DATISCACEAE o n Datura wrightii western jimson weed SOLANACEAE v n Daucus pusillus American wild carrot APIACEAE v n Deinandra kelloggii Kellogg's tarweed ASTERACEAE v n Deinandra pentactis Salinas River tarweed ASTERACEAE v n Delphinium parryi subsp. blochmaniae Blochman's larkspur, dune RANUNCULACEAE 1B.2 v larkspur n ❀ Dendromecon rigida bush poppy, tree poppy PAPAVERACEAE v i Descurainia sophia Eurasian tansy-mustard, flix BRASSICACEAE o weed Scientific Name Common Name Family Rare n Diplacus aurantiacus var. longiflorus long-flowered bush PHRYMACEAE v monkeyflower n Diplacus fremontii [Mimulus fremontii var. Fremont's monkeyflower PHRYMACEAE v fremontii] n ❀ Dipterostemon capitatus subsp. capitatus blue-dicks, schoolbells THEMIDACEAE v [Dichelostemma capitatum subsp. capitatum] n ❀ Dudleya lanceolata lance-leaf dudleya CRASSULACEAE o n Ehrendorferia chrysantha golden eardrops, golden PAPAVERACEAE v dicentra n Elymus glaucus subsp. virescens blue wildrye POACEAE o n ❀ Emmenanthe penduliflora var. penduliflora whispering bells HYDROPHYLLACEAE v n ❀ Epilobium brachycarpum tall willow-herb ONAGRACEAE o n ❀ Epilobium canum subsp. canum California-fuchsia ONAGRACEAE v n ❀ Epilobium ciliatum subsp. ciliatum common willow-herb ONAGRACEAE o n Epilobium densiflorum dense-flowered spike- ONAGRACEAE v primrose n Equisetum telmateia subsp. braunii giant horsetail EQUISETACEAE v n Eriastrum luteum yellow woolly-star; POLEMONIACEAE 1B.2 v i Erigeron canadensis common horseweed ASTERACEAE v n Erigeron foliosus var. foliosus common leafy fleabane daisy ASTERACEAE v n Eriodictyon tomentosum woolly yerba santa NAMACEAE v n Eriogonum baileyi var. baileyi Bailey's buckwheat POLYGONACEAE v n Eriogonum elegans elegant buckwheat POLYGONACEAE 4.3 v n ❀ Eriogonum elongatum var. elongatum long-stem buckwheat POLYGONACEAE v n Eriogonum fasciculatum var. foliolosum leafy California buckwheat POLYGONACEAE o n Eriogonum gracile slender wooly buckwheat POLYGONACEAE v n Eriogonum roseum wand buckwheat POLYGONACEAE v Scientific Name Common Name Family Rare n ❀ Eriophyllum confertiflorum var. confertiflorum common golden-yarrow ASTERACEAE v n Eriophyllum multicaule many-branched woolly-daisy ASTERACEAE v i ❀ Erodium cicutarium redstem filaree GERANIACEAE v n Erysimum capitatum var. capitatum western wallflower BRASSICACEAE v n ❀ Erythranthe cardinalis [Mimulus cardinalis] scarlet monkeyflower PHRYMACEAE o n Erythranthe floribunda [Mimulus floribundus] many-flowered monkeyflower PHRYMACEAE v n ❀ Erythranthe guttata [Mimulus guttatus] common monkeyflower PHRYMACEAE v n ❀ Eschscholzia californica California poppy PAPAVERACEAE v n ❀ Eucrypta chrysanthemifolia var. sweet eucrypta HYDROPHYLLACEAE v chrysanthemifolia n Eulobus californicus mustard primrose ONAGRACEAE o n Festuca microstachys three-weeks fescue, small POACEAE o fescue i Festuca myuros rattail fescue POACEAE v n Festuca octoflora sixweeks fescue POACEAE v i Festuca perennis ryegrass POACEAE o n ❀ Frangula californica subsp. californica California coffeeberry RHAMNACEAE o n ❀ Fremontodendron californicum Fremontia, flannelbush MALVACEAE v n Galium andrewsii prickly bedstraw RUBIACEAE v n ❀ Galium aparine cleavers, common bedstraw, RUBIACEAE v goosegrass n Galium californicum subsp. flaccidum California bedstraw RUBIACEAE o i Galium parisiense Parisian bedstraw RUBIACEAE o n Galium porrigens var. porrigens climbing bedstraw RUBIACEAE v n ❀ Gilia achilleifolia subsp. achilleifolia California gilia POLEMONIACEAE v n Gilia clivorum purple-spotted gilia POLEMONIACEAE o Scientific Name Common Name Family Rare n Gilia ochroleuca subsp. minima minimal gilia POLEMONIACEAE v n Gilia tenuiflora subsp. amplifaucalis trumpet-throated gilia POLEMONIACEAE 4.3 v n Githopsis diffusa subsp. robusta robust bluecup CAMPANULACEAE v n Gnaphalium palustre marsh cudweed ASTERACEAE v n Hazardia stenolepis narrow-scaled goldenbush ASTERACEAE o n Helenium puberulum rosilla sneezeweed ASTERACEAE o n Helianthus bolanderi Bolander's sunflower ASTERACEAE v n ❀ Hesperocnide tenella black-haired stinging nettle URTICACEAE o n Hesperomecon linearis carnival poppy PAPAVERACEAE v n ❀ Hesperoyucca whipplei chaparral yucca AGAVACEAE o n ❀ Heteromeles arbutifolia toyon, Christmas berry, ROSACEAE o california-holly n ❀ Heterotheca grandiflora telegraph weed ASTERACEAE v n Heterotheca sessiliflora subsp. echioides bristly goldenaster ASTERACEAE v i ❀ Hirschfeldia incana short-pod mustard, perennial BRASSICACEAE o mustard i Hordeum murinum subsp. leporinum mouse foxtail barley POACEAE o i Hordeum vulgare cultivated barley POACEAE o n Horkelia yadonii Santa Lucia horkelia ROSACEAE 4.2 v n Hulsea heterochroma red-rayed hulsea ASTERACEAE v i ❀ Hypochaeris glabra smooth cat's-ear ASTERACEAE v n Juncus bufonius var. bufonius common toadrush JUNCACEAE v i Juncus bufonius var. congestus dense-flowered toadrush JUNCACEAE v n Juncus dubius mariposa rush JUNCACEAE v n Juncus macrophyllus long-leaved rush JUNCACEAE v n ❀ Keckiella cordifolia red climbing-penstemon PLANTAGINACEAE v i ❀ Lactuca serriola prickly lettuce ASTERACEAE v Scientific Name Common Name Family Rare n ❀ Lagophylla ramosissima common hareleaf ASTERACEAE v i Lamium amplexicaule henbit LAMIACEAE v n ❀ Lasthenia gracilis common goldfields ASTERACEAE o n Layia glandulosa white layia ASTERACEAE v n Layia hieracioides hawkweed layia ASTERACEAE v n ❀ Layia platyglossa common tidytips ASTERACEAE o n ❀ Lepidium nitidum shining peppercress BRASSICACEAE o n Lessingia pectinata var. tenuipes red-throat lessingia ASTERACEAE v n Lessingia tenuis spring lessingia ASTERACEAE 4.3 v n ❀ Linanthus californicus subsp. californicus common prickly-phlox POLEMONIACEAE v n Linanthus parryae sand blossoms POLEMONIACEAE v n Lithophragma cymbalaria mission woodland star SAXIFRAGACEAE v n ❀ Lithophragma heterophyllum hillside woodland star SAXIFRAGACEAE v n Loeflingia squarrosa American loeflingia CARYOPHYLLACEAE 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 o n Lomatium macrocarpum big-fruited biscuitroot APIACEAE v n ❀ Lomatium utriculatum spring gold biscuitroot APIACEAE o n Lonicera interrupta common chaparral CAPRIFOLIACEAE v honeysuckle n ❀ Lupinus albifrons var. albifrons common silver bush lupine FABACEAE o n Lupinus bicolor miniature lupine FABACEAE v n Lupinus concinnus bajada lupine FABACEAE v n ❀ Lupinus hirsutissimus stinging lupine FABACEAE v n ❀ Lupinus microcarpus var. densiflorus dense-flowered chick lupine FABACEAE o Scientific Name Common Name Family Rare n ❀ Lupinus nanus sky lupine FABACEAE v n Lupinus truncatus chaparral lupine FABACEAE v n Madia elegans common madia ASTERACEAE v n Malacothamnus jonesii Jones's bush mallow MALVACEAE v n Malacothrix clevelandii Cleveland's malacothrix ASTERACEAE v n ❀ Marah fabacea manroot, wild cucumber vine CUCURBITACEAE v n ❀ Matricaria discoidea common pineapple-weed ASTERACEAE o i Medicago polymorpha California bur-clover FABACEAE o n Melica imperfecta little melic POACEAE v i ❀ Melilotus indicus annual sweet-clover FABACEAE v n Mentzelia micrantha chaparral blazingstar, San LOASACEAE v Luis stickleaf n ❀ Micranthes californica California saxifrage SAXIFRAGACEAE v n Mimetanthe pilosa [Mimulus pilosuus] downy monkeyflower PHRYMACEAE v n Monardella breweri subsp. breweri Brewer's coyote-mint LAMIACEAE v n Mucronea perfoliata perfoliate spineflower POLYGONACEAE v n Muhlenbergia rigens deergrass POACEAE o i ❀ Nasturtium officinale common watercress BRASSICACEAE o n Navarretia atractyloides holly-leaf pincushion plant POLEMONIACEAE v n Nemacladus ramosissimus small-flowered threadstem CAMPANULACEAE v n ❀ Nemophila menziesii baby blue eyes HYDROPHYLLACEAE o n Nemophila pedunculata dark-seeded nemophila HYDROPHYLLACEAE v n Nicotiana quadrivalvis large-flowered tobacco SOLANACEAE v n Nuttallanthus texanus blue toadflax PLANTAGINACEAE v n ❀ Paeonia californica California peony PAEONIACEAE v n ❀ Papaver californicum fire poppy PAPAVERACEAE v Scientific Name Common Name Family Rare n Papaver heterophyllum wind poppy PAPAVERACEAE v n Pectocarya penicillata short-leaf combseed BORAGINACEAE v n ❀ Pedicularis densiflora Indian warrior OROBANCHACEAE v n Pellaea andromedifolia coffee fern PTERIDACEAE o n Pellaea mucronata var. mucronata bird's-foot fern PTERIDACEAE v n Penstemon centranthifolius scarlet bugler PLANTAGINACEAE v n Pentagramma triangularis subsp. triangularis goldback fern PTERIDACEAE o n Phacelia brachyloba short-lobed phacelia HYDROPHYLLACEAE v n ❀ Phacelia distans fern-leaved phacelia HYDROPHYLLACEAE v n Phacelia douglasii var. douglasii common Douglas's phacelia HYDROPHYLLACEAE v n Phacelia rattanii Rattan's phacelia HYDROPHYLLACEAE v n ❀ Pholistoma auritum var. auritum fiesta flower HYDROPHYLLACEAE o n Pholistoma membranaceum white fiestaflower HYDROPHYLLACEAE o n Phoradendron leucarpum bigleaf mistletoe VISCACEAE v n Phoradendron villosum subsp. villosum oak mistletoe VISCACEAE o n Pinus sabiniana foothill pine, gray pine PINACEAE v n Plagiobothrys canescens valley popcorn flower BORAGINACEAE v n Plagiobothrys collinus var. fulvescens rough-stemmed popcorn BORAGINACEAE v flower n ❀ Plagiobothrys nothofulvus common popcorn flower, BORAGINACEAE o rusty popcorn flower n Plagiobothrys tenellus slender popcorn flower BORAGINACEAE v n Plagiobothrys uncinatus hooked popcorn flower BORAGINACEAE 1B.2 v n ❀ Plantago erecta foothill plantain PLANTAGINACEAE o n Platanus racemosa California sycamore PLATANACEAE o n ❀ Platystemon californicus cream cups PAPAVERACEAE v n Plectritis ciliosa long-spurred seablush VALERIANACEAE v Scientific Name Common Name Family Rare n Poa secunda subsp. secunda one-sided bluegrass POACEAE v i Polypogon monspeliensis rabbitfoot grass POACEAE v n Populus fremontii subsp. fremontii Fremont cottonwood SALICACEAE v n ❀ Primula clevelandi [Dodecatheon clevelandii] Cleveland's shooting star PRIMULACEAE v n ❀ Prunus ilicifolia var. ilicifolia holly-leaved cherry ROSACEAE o n Pseudognaphalium beneolens fragrant everlasting ASTERACEAE v n ❀ Pseudognaphalium californicum California everlasting ASTERACEAE v n Psilocarphus tenellus slender woollyheads ASTERACEAE o n Pterostegia drymarioides notchleaf POLYGONACEAE v n Quercus agrifolia var. agrifolia coast live oak FAGACEAE o n Quercus berberidifolia scrub oak FAGACEAE v n Quercus douglasii blue oak FAGACEAE v n Quercus lobata valley oak FAGACEAE o n ❀ Rafinesquia californica California-chicory ASTERACEAE v n Ranunculus hebecarpus slender annual buttercup RANUNCULACEAE v i Raphanus raphanistrum jointed charlock BRASSICACEAE v n Rhamnus ilicifolia holly-leaved redberry RHAMNACEAE v n Rhus aromatica skunkbush ANACARDIACEAE v n Ribes malvaceum var. indecorum white-flowered chaparral GROSSULARIACEAE v currant n ❀ Ribes malvaceum var. malvaceum common chaparral currant GROSSULARIACEAE v n Rosa californica California wild rose ROSACEAE o i ❀ Rumex crispus curly dock POLYGONACEAE v i Rumex kerneri Kerner's dock POLYGONACEAE o n Sabulina douglasii [Minuartia douglasii] Douglas's sandwort CARYOPHYLLACEAE o n Salix exigua var. hindsiana (Benth.) Dorn sandbar willow SALICACEAE o n Salix laevigata red willow SALICACEAE o Scientific Name Common Name Family Rare n Salix lasiolepis arroyo willow, California SALICACEAE o pussywillow n ❀ Salvia columbariae chia LAMIACEAE v n ❀ Salvia mellifera black sage LAMIACEAE o n ❀ Sambucus nigra subsp. caerulea blue elderberry ADOXACEAE o n Sanicula crassicaulis common sanicle APIACEAE v i Schismus arabicus Arabian Mediterranean grass POACEAE v n ❀ Scutellaria tuberosa chaparral skullcap LAMIACEAE o n Selaginella bigelovii Bigelow's spike-moss SELAGINELLACEAE v n Senecio flaccidus var. douglasii shrubby groundsel, ASTERACEAE v threadleaf groundsel i Senecio vulgaris common groundsel ASTERACEAE v n ❀ Sidalcea malviflora subsp. laciniata geranium-leaved MALVACEAE o checkerbloom n Silene antirrhina sleepy catchfly CARYOPHYLLACEAE o n ❀ Solanum umbelliferum var. xanti chaparral purple nightshade SOLANACEAE v i Sonchus asper subsp. asper prickly sow-thistle ASTERACEAE o i ❀ Sonchus oleraceus common sow-thistle ASTERACEAE o n Stachys albens whitestem hedge-nettle, LAMIACEAE v woolly hedge-nettle i Stellaria media common chickweed CARYOPHYLLACEAE o i Stellaria pallida lesser chickweed CARYOPHYLLACEAE o n Stephanomeria exigua subsp. coronaria white-plume wire-lettuce ASTERACEAE v n Stipa cernua nodding needlegrass POACEAE o n ❀ Streptanthus glandulosus subsp. glandulosus beautiful jewel-flower BRASSICACEAE v n Streptanthus lasiophyllus California mustard BRASSICACEAE o n Stylocline gnaphaloides everlasting neststraw ASTERACEAE v Scientific Name Common Name Family Rare n Thysanocarpus curvipes subsp. curvipes common fringepod BRASSICACEAE o n ❀ Thysanocarpus laciniatus narrow-leaved fringepod BRASSICACEAE v i Torilis arvensis common hedge-parsley APIACEAE o n ❀ Toxicodendron diversilobum poison-oak ANACARDIACEAE o n Toxicoscordion venenosum var. venenosum meadow death-camas MELANTHIACEAE v n ❀ Trichostema lanatum woolly bluecurls LAMIACEAE v n Trichostema lanceolatum vinegar weed LAMIACEAE o n Trifolium gracilentum pinpoint clover FABACEAE v n Trifolium obtusiflorum creek clover FABACEAE v n ❀ Trifolium willdenovii tomcat clover FABACEAE v n Tropidocarpum gracile dobie-pod BRASSICACEAE o n ❀ Uropappus lindleyi silverpuffs ASTERACEAE v n ❀ Urtica dioica subsp. holosericea perennial stinging nettle URTICACEAE o n ❀ Verbena lasiostachys var. lasiostachys western vervain VERBENACEAE v i ❀ Vicia villosa subsp. varia narrow-leaved vetch FABACEAE v n ❀ Viola pedunculata Johnny jump-up, wild pansy VIOLACEAE v n Viola purpurea subsp. quercetorum foothill violet VIOLACEAE v n Yabea microcarpa California hedge-parsley APIACEAE o