Checklist1 of Vascular Flora of Laguna Lake Park and Open Space San Luis Obispo County, California (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 ❀ Achillea millefolium yarrow ASTERACEAE v n ❀ Achyrachaena mollis blow wives ASTERACEAE v n ❀ Acmispon americanus var. americanus Spanish-clover FABACEAE v n Acmispon brachycarpus shortpod deervetch FABACEAE v n Acmispon junceus var. junceus common rush deerweed FABACEAE v n Acmispon maritimus var. maritimus coastal 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 R—California Rare Plant Rank Scientific Name Common Name Family Rare n ❀ Acmispon strigosus strigose deer-vetch FABACEAE v n Agrostis exarata western bentgrass, spike POACEAE v bentgrass n ❀ Alisma triviale water-plantain ALISMATACEAE v n Allium lacunosum var. lacunosum pitted onion ALLIACEAE v i Amaranthus albus tumble amaranth AMARANTHACEAE v n Amaranthus blitoides matweed amaranth AMARANTHACEAE v i Amaranthus deflexus large-fruited amaranth AMARANTHACEAE v i Amaranthus hybridus smooth amaranth AMARANTHACEAE v n Amaranthus powellii Powell's amaranth AMARANTHACEAE v n Ambrosia acanthicarpa annual bursage, burweed ASTERACEAE v n Ambrosia psilostachya western ragweed ASTERACEAE v n Amsinckia intermedia common fiddleneck BORAGINACEAE v i ❀ Anthemis cotula mayweed, dog-fennel ASTERACEAE v n Apiastrum angustifolium mock-celery APIACEAE v n Aristida adscensionis six-weeks threeawn POACEAE v n ❀ Artemisia californica California sagebrush ASTERACEAE v n ❀ Artemisia douglasiana mugwort ASTERACEAE v n ❀ Asclepias fascicularis narrow-leaved milkweed APOCYNACEAE v n ❀ Astragalus curtipes Morro milk-vetch FABACEAE v n Astragalus gambelianus Gambel's milk-vetch FABACEAE v n Athysanus pusillus dwarf sandweed BRASSICACEAE v i Atriplex prostrata fat-hen orach CHENOPODIACEAE v i Atriplex semibaccata Australian saltbush CHENOPODIACEAE v Scientific Name Common Name Family Rare i Avena barbata slender wild oats POACEAE v i Avena fatua common wild oats POACEAE v n Azolla filiculoides mosquito fern, duckweed AZOLLACEAE v fern n ❀ Baccharis pilularis coyote bush ASTERACEAE v n Baccharis salicifolia mule fat, seep-willow ASTERACEAE v i ❀ Bellardia trixago Mediterranean lineseed OROBANCHACEAE v i Bidens pilosa common beggar's-ticks, ASTERACEAE v hairy beggar's-ticks n ❀ Bloomeria crocea var. aurea common goldenstar THEMIDACEAE v n Bolboschoenus maritimus subsp. paludosus alkali bulrush, saltmarsh CYPERACEAE v bulrush i Brachypodium hybridum false brome POACEAE v i ❀ Brassica nigra black mustard BRASSICACEAE v i ❀ Brassica rapa field mustard BRASSICACEAE v i Bromus berteroanus Chilean chess 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 i Bromus hordeaceus soft chess brome POACEAE v i Bromus rubens red brome POACEAE 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 Scientific Name Common Name Family Rare n ❀ Calochortus obispoensis San Luis Obispo star-tulip LILIACEAE 1B.2 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 ❀ Carduus pycnocephalus Italian thistle ASTERACEAE v n Carex praegracilis black creeper sedge CYPERACEAE v n Carex serratodens saw-toothed sedge CYPERACEAE v i ❀ Carpobrotus edulis highway iceplant AIZOACEAE v n ❀ Castilleja densiflora subsp. obispoensis San Luis Obispo owl's-clover OROBANCHACEAE 1B.2 v n ❀ Castilleja minor subsp. spiralis annual Indian paintbrush OROBANCHACEAE v i Cenchrus clandestinus kikiyu grass POACEAE v i Cenchrus longisetus feathertop fountaingrass POACEAE v i ❀ Centaurea calcitrapa purple star-thistle ASTERACEAE v i ❀ Centaurea melitensis tocalote, Maltese star thistle ASTERACEAE v i ❀ Centaurea solstitialis yellow star thistle ASTERACEAE v n ❀ Centromadia parryi subsp. congdonii Congdon's tarplant ASTERACEAE 1B.1 v i Cerastium glomeratum annual mouse-ear CARYOPHYLLACEAE v chickweed i Chenopodiastrum murale [Chenopodium pigweed goosefoot CHENOPODIACEAE v murale] n Chenopodium album lamb's quarter CHENOPODIACEAE v n ❀ Chlorogalum pomeridianum var. common soap plant AGAVACEAE v pomeridianum n ❀ Chorizanthe breweri Brewer's spineflower POLYGONACEAE 1B.3 v Scientific Name Common Name Family Rare n ❀ Chorizanthe palmeri Palmer's spineflower POLYGONACEAE 4.2 v i ❀ Cichorium intybus chicory ASTERACEAE v n ❀ Cirsium fontinale var. obispoense Chorro Creek bog thistle ASTERACEAE 1B.2 v i ❀ Cirsium vulgare bull thistle ASTERACEAE v n ❀ Claytonia perfoliata subsp. perfoliata common miner's lettuce MONTIACEAE v n ❀ Collinsia heterophylla common Chinese houses PLANTAGINACEAE v i ❀ Conium maculatum poison hemlock APIACEAE v i ❀ Convolvulus arvensis bindweed, field morning CONVOLVULACEAE v glory n ❀ Corethrogyne filaginifolia California-aster ASTERACEAE v n ❀ Cornus sericea subsp. occidentalis creek dogwood CORNACEAE v i Cortaderia jubata jubata grass POACEAE v i ❀ Cotula coronopifolia brass buttons ASTERACEAE v n ❀ Crassula connata common pygmyweed CRASSULACEAE v n ❀ Croton setiger turkey-mullein EUPHORBIACEAE v i Crypsis schoenoides common pricklegrass POACEAE v n ❀ Cryptantha clevelandii var. florosa coastal cryptantha BORAGINACEAE v n Cuscuta californica var. californica common chaparral dodder CONVOLVULACEAE v n Cuscuta campestris field dodder CONVOLVULACEAE v i Cynodon dactylon Bermuda grass POACEAE v n Cyperus eragrostis common umbrella sedge CYPERACEAE v i Cyperus involucratus garden umbrella sedge, CYPERACEAE v umbrella plant n Danthonia californica California oatgrass POACEAE v i Datura stramonium common jimson weed SOLANACEAE v Scientific Name Common Name Family Rare n ❀ Deinandra fasciculata clustered tarweed ASTERACEAE v n ❀ Deinandra increscens subsp. increscens grassland tarweed ASTERACEAE v n ❀ Delphinium parryi subsp. eastwoodiae Eastwood's larkspur RANUNCULACEAE 1B.2 v n Deschampsia danthonioides annual hairgrass POACEAE v i Dichondra micrantha lawn dichondra CONVOLVULACEAE v i Digitaria sanguinalis hairy crabgrass POACEAE 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 Dittrichia graveolens Mediterranean stinkweed ASTERACEAE v n ❀ Dudleya abramsii subsp. murina mouse-gray dudleya CRASSULACEAE 1B.3 v i Dysphania ambrosioides Mexican-tea CHENOPODIACEAE v i Echinochloa colona awnless barnyard-grass POACEAE v i Echinochloa crus-galli common barnyard-grass POACEAE v i Eichhornia crassipes water-hyacinth PONTEDERIACEAE v n Elatine californica California waterwort ELATINACEAE v n Eleocharis bella pretty spike-rush CYPERACEAE v n Eleocharis macrostachya common spike-rush CYPERACEAE v n Eleocharis parishii Parish's spikerush CYPERACEAE v n Elymus xhansenii [E. glaucus x E. multisetus] hybrid wildrye POACEAE v n Elymus condensatus giant wildrye POACEAE v n Elymus glaucus subsp. glaucus blue wildrye POACEAE v Scientific Name Common Name Family Rare n Elymus multisetus big squirreltail POACEAE v n Elymus triticoides beardless wildrye POACEAE v n ❀ Epilobium brachycarpum tall willow-herb ONAGRACEAE v n ❀ Epilobium canum subsp. canum California-fuchsia ONAGRACEAE v n ❀ Epilobium ciliatum subsp. ciliatum common willow-herb ONAGRACEAE v n Epilobium densiflorum dense-flowered spike- ONAGRACEAE v primrose n Equisetum hyemale subsp. affine common scouring-rush EQUISETACEAE v n Equisetum telmateia subsp. braunii giant horsetail EQUISETACEAE v i Eragrostis cilianensis stinking lovegrass, POACEAE v stinkgrass n Eragrostis pectinacea var. pectinacea Carolina lovegrass POACEAE v i Erigeron bonariensis South American horseweed ASTERACEAE v i Erigeron canadensis common horseweed ASTERACEAE v n ❀ Eriophyllum confertiflorum var. common golden-yarrow ASTERACEAE v confertiflorum i ❀ Erodium botrys storkbill filaree GERANIACEAE v i Erodium brachycarpum shortfruit storkbill filaree GERANIACEAE v i ❀ Erodium cicutarium redstem filaree GERANIACEAE v i Erodium moschatum greenstem filaree GERANIACEAE v n ❀ Eryngium aristulatum var. hooveri Hoover's coyote-thistle, APIACEAE 1B.1 v Hoover's button-celery n Eryngium armatum coast coyote-thistle, coast APIACEAE v button-celery n Erythranthe arenicola sand monkeyflower PHRYMACEAE v n Erythranthe grandis large monkeyflower PHRYMACEAE v Scientific Name Common Name Family Rare n Erythranthe microphylla small-leaved monkeyflower PHRYMACEAE v n ❀ Eschscholzia californica California poppy PAPAVERACEAE v i Eucalyptus globulus blue gum MYRTACEAE v i Euphorbia maculata [Chamaesyce maculata] spotted 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 i Festuca arundinacea tall fescue POACEAE v i Festuca bromoides brome 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 i ❀ Foeniculum vulgare fennel APIACEAE v n ❀ Frangula californica subsp. californica California coffeeberry RHAMNACEAE v n ❀ Fritillaria biflora var. biflora chocolate lily LILIACEAE v n ❀ Galium aparine cleavers, common bedstraw, RUBIACEAE v goosegrass i ❀ Genista monspessulana French broom FABACEAE v i ❀ Geranium dissectum cut-leaved geranium GERANIACEAE v n ❀ Gilia achilleifolia subsp. achilleifolia California gilia POLEMONIACEAE v n ❀ Hazardia squarrosa var. squarrosa large-headed sawtooth ASTERACEAE v goldenbush i Hedypnois rhagadioloides Creteweed ASTERACEAE v n ❀ Helenium bigelovii Bigelow's sneezeweed ASTERACEAE v Scientific Name Common Name Family Rare n ❀ Heliotropium curassavicum var. oculatum salt heliotrope HELIOTROPIACEAE v i ❀ Helminthotheca echioides bristly oxtongue ASTERACEAE v n ❀ Hemizonia congesta subsp. luzulifolia hayfield tarweed ASTERACEAE v n Hesperevax sparsiflora var. sparsiflora erect evax ASTERACEAE v n ❀ Heterotheca grandiflora telegraph weed ASTERACEAE v i ❀ Hirschfeldia incana short-pod mustard, perennial BRASSICACEAE v mustard n Hordeum brachyantherum subsp. common meadow barley POACEAE v brachyantherum i Hordeum marinum subsp gussoneanum Mediterranean barley POACEAE v i Hordeum murinum subsp. leporinum mouse foxtail barley POACEAE v n Hydrocotyle verticillata whorled marsh-pennywort ARALIACEAE v i ❀ Hypochaeris glabra smooth cat's-ear ASTERACEAE v n Juncus bufonius var. bufonius common toadrush JUNCACEAE v n Juncus lescurii San Francisco rush JUNCACEAE v n Juncus occidentalis western 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 n Laennecia coulteri Coulter's horseweed ASTERACEAE v n ❀ Lagophylla ramosissima common hareleaf ASTERACEAE v i Lamarckia aurea goldentop grass POACEAE v Scientific Name Common Name Family Rare n Lasthenia glaberrima smooth goldfields, Fremont's ASTERACEAE v goldfields n ❀ Lasthenia gracilis common goldfields ASTERACEAE v i Lathyrus latifolius perennial sweet-pea FABACEAE v i Lathyrus odoratus garden sweet-pea FABACEAE v n ❀ Lathyrus vestitus var. vestitus Pacific sweet-pea FABACEAE v n Layia jonesii Jones's tidytips ASTERACEAE 1B.1 v n ❀ Lepidium nitidum shining peppercress BRASSICACEAE v i Lepidium pinnatifidum feather-leaf peppercress BRASSICACEAE v n Lepidium strictum yellow-green peppercress BRASSICACEAE v n Leptochloa fusca subsp. fascicularis bearded sprangletop POACEAE v n ❀ Leptosiphon parviflorus common babystars POLEMONIACEAE v i Lobularia maritima sweet-alyssum BRASSICACEAE v i Logfia gallica narrow-leaved herba impia ASTERACEAE v n Lomatium caruifolium var. caruifolium caraway-leaved biscuitroot APIACEAE v n ❀ Lomatium parvifolium small-leaved biscuitroot APIACEAE 4.2 v n ❀ Lomatium utriculatum spring gold biscuitroot APIACEAE v n Lonicera japonica Japanese honeysuckle CAPRIFOLIACEAE v i ❀ Lotus corniculatus bird'sfoot trefoil FABACEAE v n Lupinus bicolor miniature lupine FABACEAE v n ❀ Lupinus microcarpus var. densiflorus dense-flowered chick lupine FABACEAE v n ❀ Lupinus nanus sky lupine FABACEAE v n Lupinus truncatus chaparral lupine FABACEAE v i ❀ Lysimachia arvensis [Anagallis arvensis] scarlet pimpernel MYRSINACEAE v Scientific Name Common Name Family Rare n ❀ Lythrum californicum California loosestrife LYTHRACEAE v i Lythrum hyssopifolia hyssop loosestrife LYTHRACEAE v n ❀ Madia sativa coast tarweed ASTERACEAE v n Malacothrix clevelandii Cleveland's malacothrix ASTERACEAE v i Malva nicaeensis bull mallow MALVACEAE v i Malva parviflora small-flowered mallow, MALVACEAE v cheeseweed i ❀ Malva pseudolavatera Cretan mallow MALVACEAE v n Malvella leprosa alkali mallow MALVACEAE v n ❀ Matricaria discoidea common pineapple-weed ASTERACEAE v i Medicago polymorpha California bur-clover FABACEAE v n Melica californica California melic POACEAE v 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 canadensis field mint LAMIACEAE v n Microseris douglasii subsp. douglasii Douglas's microseris ASTERACEAE v n Microseris douglasii subsp. tenella short scaled microseris ASTERACEAE v i Modiola caroliniana Carolina bristle mallow MALVACEAE v i ❀ Nasturtium officinale common watercress BRASSICACEAE v n Navarretia squarrosa skunkweed pincushion plant POLEMONIACEAE v i ❀ Oxalis pes-caprae Bermuda-buttercup OXALIDACEAE v i Oxybasis chenopodioides low goosefoot CHENOPODIACEAE v i Oxybasis macrosperma large-seeded goosefoot CHENOPODIACEAE v Scientific Name Common Name Family Rare n Oxybasis rubra red goosefoot CHENOPODIACEAE v i Parapholis incurva sicklegrass POACEAE v i Paspalum dilatatum dallisgrass POACEAE v n Paspalum distichum knotgrass POACEAE v n Pellaea andromedifolia coffee fern PTERIDACEAE v n ❀ Perideridia pringlei adobe yampah APIACEAE 4.3 v n ❀ Persicaria amphibia water smartweed, kelp POLYGONACEAE v n Persicaria lapathifolia willow-weed, pale POLYGONACEAE v smartweed n ❀ Phacelia distans fern-leaved phacelia HYDROPHYLLACEAE v n ❀ Phacelia imbricata subsp. imbricata wide-sepaled rock phacelia HYDROPHYLLACEAE v i Phalaris aquatica harding grass POACEAE v i Phalaris paradoxa hooded canarygrass POACEAE v n Phyla nodiflora frogfruit VERBENACEAE v n ❀ Plantago erecta foothill plantain PLANTAGINACEAE v i ❀ Plantago lanceolata English plantain PLANTAGINACEAE v n Platanus racemosa California sycamore PLATANACEAE v n ❀ Platystemon californicus cream cups PAPAVERACEAE v n Pleuropogon californicus var. californicus semaphore grass POACEAE v i Poa annua annual bluegrass POACEAE v n Poa secunda subsp. secunda one-sided bluegrass POACEAE v n ❀ Pogogyne douglasii Douglas's mesamint LAMIACEAE v n Polycarpon depressum California allseed CARYOPHYLLACEAE v i Polygonum aviculare common knotweed POLYGONACEAE v Scientific Name Common Name Family Rare n Polypodium californicum California polypody POLYPODIACEAE v i Polypogon interruptus ditch beardgrass POACEAE v i Polypogon monspeliensis rabbitfoot grass POACEAE v i Polypogon viridis water beardgrass POACEAE v n Populus fremontii subsp. fremontii Fremont cottonwood SALICACEAE v i Portulaca oleracea purslane PORTULACACEAE v n Potamogeton nodosus long-leaved pondweed POTAMOGETONACEAE v n ❀ Potentilla anserina subsp. pacifica Pacific silverleaf ROSACEAE v n ❀ Primula clevelandi [Dodecatheon Cleveland's shooting star PRIMULACEAE v clevelandii] i Pseudognaphalium luteoalbum Jersey cudweed ASTERACEAE v n Pseudognaphalium stramineum cotton-batting everlasting ASTERACEAE o n Psilocarphus tenellus slender woollyheads ASTERACEAE v n Pterostegia drymarioides notchleaf POLYGONACEAE v n Quercus agrifolia var. agrifolia coast live oak FAGACEAE v n Quercus durata var. durata leather oak FAGACEAE v n ❀ Ranunculus californicus California buttercup RANUNCULACEAE v i ❀ Raphanus sativus wild radish BRASSICACEAE v i ❀ Rhaponticum repens Russian knapweed ASTERACEAE v i ❀ Ricinus communis castor-bean EUPHORBIACEAE v n Rorippa palustris subsp. palustris marsh yellowcress BRASSICACEAE v n ❀ Rubus ursinus California blackberry ROSACEAE v i Rumex acetosella sour dock, sheep-sorrel POLYGONACEAE v i Rumex conglomeratus knotted dock POLYGONACEAE v Scientific Name Common Name Family Rare i ❀ Rumex crispus curly dock POLYGONACEAE v n Rumex fueginus golden dock POLYGONACEAE v i Rumex kerneri Kerner's dock POLYGONACEAE v n Rumex salicifolius var. salicifolius willow-leaved dock POLYGONACEAE v n Salix laevigata red willow SALICACEAE v n Salix lasiandra var. lasiandra Pacific willow SALICACEAE v n Salix lasiolepis arroyo willow, California SALICACEAE v pussywillow i Salsola tragus Russian-thistle, tumbleweed CHENOPODIACEAE o n ❀ Salvia columbariae chia LAMIACEAE v n ❀ Sanicula arguta sharp-toothed sanicle APIACEAE v n ❀ Sanicula maritima adobe sanicle APIACEAE 1B.1 v i Scandix pecten-veneris shepherd's needle APIACEAE v n Schoenoplectus acutus var. occidentalis common tule, roundstem tule CYPERACEAE v n Schoenoplectus californicus California tule CYPERACEAE v n Scirpus microcarpus small-fruited bulrush CYPERACEAE v n Selaginella bigelovii Bigelow's spike-moss SELAGINELLACEAE v i Senecio vulgaris common groundsel ASTERACEAE v i ❀ Silene gallica windmill pink CARYOPHYLLACEAE v i ❀ Silybum marianum milk thistle ASTERACEAE v n ❀ Sisyrinchium bellum blue-eyed-grass IRIDACEAE v n ❀ Solanum douglasii Douglas' nightshade SOLANACEAE v i Solanum nigrum black nightshade SOLANACEAE v i Solanum rostratum buffalo-burr nightshade SOLANACEAE v Scientific Name Common Name Family Rare 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 Sorghum bicolor sorghum POACEAE v i Spergula arvensis corn spurrey CARYOPHYLLACEAE v i ❀ Spergularia bocconi Boccone's sand-spurrey CARYOPHYLLACEAE v n Spergularia macrotheca var. macrotheca beach sand-spurrey CARYOPHYLLACEAE v i ❀ Spergularia rubra common sand-spurrey, red CARYOPHYLLACEAE v sand-spurrey n Sporobolus indicus smut grass POACEAE v n ❀ Stachys ajugoides bugle hedge-nettle LAMIACEAE v n ❀ Stachys bullata coast hedge-nettle LAMIACEAE v n Stachys pycnantha short-spiked hedge-nettle LAMIACEAE v i Stellaria media common chickweed CARYOPHYLLACEAE v n ❀ Stephanomeria cichoriacea silver rock-lettuce ASTERACEAE v n Stipa lepida foothill needlegrass POACEAE v i Stipa miliacea var. miliacea smilo POACEAE v n Stipa pulchra purple needlegrass POACEAE v n ❀ Streptanthus glandulosus subsp. beautiful jewel-flower BRASSICACEAE v glandulosus n Streptanthus lasiophyllus California mustard BRASSICACEAE v n Stuckenia pectinata sago pondweed, fennel-leaf POTAMOGETONACEAE v pondweed n ❀ Symphoricarpos mollis creeping snowberry CAPRIFOLIACEAE v n Symphyotrichum subulatum annual marsh-aster ASTERACEAE v Scientific Name Common Name Family Rare i Tamarix ramosissima common salt-cedar, common TAMARICACEAE v tamarisk i Taraxacum officinale dandelion ASTERACEAE o n ❀ Toxicodendron diversilobum poison-oak ANACARDIACEAE v i ❀ Tragopogon porrifolius salsify, purple goat's-beard ASTERACEAE v n ❀ Tribulus terrestris goatheads, puncturevine ZYGOPHYLLACEAE v n Trifolium albopurpureum dove clover FABACEAE v n Trifolium bifidum var. decipiens pinole clover FABACEAE v n Trifolium depauperatum var. amplectens pale sac clover FABACEAE v i Trifolium fragiferum strawberry clover FABACEAE v n ❀ Trifolium fucatum bull clover FABACEAE v i ❀ Trifolium hirtum rose clover FABACEAE v n Trifolium hydrophilum saline clover FABACEAE 1B.2 v n Trifolium microcephalum miniature clover FABACEAE v n Trifolium microdon thimble clover FABACEAE v i Trifolium pratense red clover FABACEAE v i Trifolium repens white clover FABACEAE v i Trifolium subterraneum subterranean clover FABACEAE v n Trifolium variegatum white-tip clover FABACEAE v n ❀ Trifolium willdenovii tomcat clover FABACEAE v n ❀ Trifolium wormskioldii meadow clover FABACEAE v n ❀ Triphysaria eriantha subsp. eriantha butter and eggs, common OROBANCHACEAE v Johnny-Tuck n Typha domingensis southern cattail TYPHACEAE v n ❀ Typha latifolia broad-leaved cattail TYPHACEAE v Scientific Name Common Name Family Rare n ❀ Urtica dioica subsp. holosericea perennial stinging nettle URTICACEAE v n ❀ Verbena lasiostachys var. lasiostachys western vervain VERBENACEAE v i Veronica anagallis-aquatica blue water speedwell PLANTAGINACEAE v i Vicia benghalensis purple vetch FABACEAE v i ❀ Vicia sativa subsp. sativa common vetch FABACEAE v i ❀ Vicia villosa subsp. varia narrow-leaved vetch FABACEAE v n ❀ Viola pedunculata Johnny jump-up, wild pansy VIOLACEAE v ? Xanthium spinosum spiny clotbur, Spanish-thistle ASTERACEAE v n Xanthium strumarium cocklebur ASTERACEAE v n Zeltnera muehlenbergii Monterey centaury GENTIANACEAE v