Scientific Name Common Name Achyrachaena mollis blow wives Acmispon glaber var. glaber deerweed Acmispon maritimus var. maritimus coastal lotus Acmispon wrangelianus chilean trefoil Acourtia microcephala sacapellote Adenostoma fasciculatum var. fasciculatum chamise Adiantum jordanii California maindenhair fern Agrostis pallens thin grass Ambrosia psilostachya western ragweed Amsinckia intermedia common fiddleneck Apium graveolens * celery Araujia sericifera * bladder-flower Artemisia californica California sagebrush Artemisia douglasiana mugwort Asclepias fascicularis narrowleaf milkweed Asparagus asparagoides * bridal creeper, smilax Atriplex semibaccata * Australian saltbush Avena barbata * slender wild oat Avena fatua * wild oat Azolla filiculoides mosquito fern Baccharis pilularis ssp. consanguinea coyote brush Baccharis plummerae ssp. plummerae plummer baccharis Baccharis salicifolia ssp. salicifolia mulefat Bidens pilosa * beggarticks Bloomeria crocea ssp. crocea golden stars Brachypodium distachyon * false brome Brassica nigra * black mustard Brassica rapa * field mustard Brickellia californica California brickellbush Brodiaea terrestris ssb. kernensis Kern brodiaea Bromus carinatus var. carinatus California brome Bromus diandrus * ripgut brome Bromus hordeaceus * soft chess Bromus madritensis ssp. rubens * red brome Calandrinia menziesii red maids Calochortus catalinae Catalina mariposa lily Calystegia macrostegia ssp. cyclostegia coastal morning-glory Camissoniopsis bistorta California sun cup Camissoniopsis hirtella hairy sun cup Camissoniopsis micrantha miniature suncup Capsella bursa-pastoris * shepherd's purse Cardionema ramosissimum sand mat Carduus pycnocepnalus * Italian thistle Carex sp. sedge Castilleja exserta ssp. exerta purple owl's clover Ceanothus crassifolius snowball Ceanothus megacarpus var. megacarpus bigpod ceanothus Ceanothus spinosus greenbark ceanothus Centaurea melitensis * tocalote Ceratophyllum demersum hornwort Cercocarpus betuloides var. betuloides birch-leaf mountain mahogany Chenopodium album * lambsquarters Chenopodium californicum soaproot Chenopodium murale * nettle leaf goosefoot Chlorogalum pomeridianum var. pomeridianum small soap plant Cirsium vulgare * bull thistle Clarkia sp. clarkia Claytonia perfoliata ssp. perfoliata miner's lettuce Clematis lasiantha pipestem clematis, chaparral clematis Clematis ligusticifolia creek clematis Conium maculatum * poison hemlock Convolvulus arvensis * bindweed Corethrogyne filaginifolia California aster Cortaderia jubata * jubata grass Cortaderia selloana * pampas grass Crassula connata pygmy weed Crocanthemum scoparium var. vulgare peak rush-rose Croton setigerus dove weed Cryptantha intermedia var. intermedia common forget-me-not Cucurbita foetidissima calabazilla Cuscuta subinclusa canyon dodder Cynara cardunculus * artichoke thistle Cynodon dactylon * bermuda grass Cyperus eragrostis umbrella-sedge Cyperus involucratus * African umbrella-sedge Datura wrightii jimson weed Deinandra fasciculata fasciculed tarplant Delairea odorata * cape-ivy Descurainia pinnata tansy mustard Dichelostemma capitatum ssp. capitatum blue dicks Diplotaxis muralis * annual wallrocket Drymocallis glandulosa var. glandulosa sticky cinquefoil Dryopteris arguta coastal wood fern Dudleya lanceolata lanceleaf live-forever Ehrharta erecta * veldtgrass Eleocharis macrostachya spikerush Elymus condensatus giant rye Elymus glaucus subsp. glaucus blue wild rye Emmenanthe penduliflora var. penduliflora whispering bells Encelia californica California bush sunflower Epilobium canum ssp. canum California fuchsia Epilobium ciliatum ssp. ciliatum willow herb Erigeron canadensis horseweed Erigeron foliosus var. foliosus leafy fleabane Eriodictyon crassifolium var. nigrescens yerba santa Eriogonum elongatum longstem buckwheat Eriogonum fasciculatum var. foliolosum California buckwheat Eriophyllum confertiflorum var. confertiflorum golden yarrow Erodium botrys * Broad leaf filaree Erodium cicutarium * redstem filaree Erodium moschatum * white stemmed filaree Eschscholzia californica California poppy Eucalyptus camaldulensis * river red gum Eucalyptus citriodora * lemon-scented gum Eucrypta chrysanthemifolia var. chrysanthemifolia common eucrypta Euthamia occidentalis western goldenrod Festuca bromoides * slender fescue Festuca myuros * rattail sixweeks grass Festuca perennis * Italian rye grass Foeniculum vulgare * sweet fennel Fraxinus uhdei * shamel ash Galium angustifolium ssp. angustifolium common bedstraw Galium californicum ssp. flaccidum flaccid bedstraw Galium cliftonsmithii Santa Barbara bedstraw Galium nuttallii nuttall's bedstraw Genista monspessulana * French broom Geranium dissectum * dissected geranium Hazardia squarrosa var. squarrosa sawtooth goldenbush Hedera sp. * ivy Helminthotheca echioides * bristly ox-tongue Hesperoyucca whipplei chaparral yucca Heteromeles arbutifolia toyon Heterotheca grandiflora telegraph weed Hirschfeldia incana * summer mustard Hordeum brachyantherum ssp. californicum California barley Hordeum intercedens vernal barley Hordeum marinum ssp. gussoneanum * mediterranean barley Hordeum murinum spp. leporinum * hare or foxtail barley Hordeum murinum ssp. glaucum * summer barley Horkelia cuneata var. cuneata wedgeleaf horkelia Hypochaeris glabra * smooth cat's-ear Hypochaeris radicata * rough cat's-ear Isocoma menziesii var. vernonioides coastal goldenbush Isolepis cernua low bulrush Juglans californica southern Calif. black walnut Juncus bufonius var. bufonius toad rush Juncus occidentalis western rush Juncus patens spreading rush Keckiella cordifolia heartleaf penstemon Lactuca serriola * prickly lettuce Lamarckia aurea * goldentop Lamium amplexicaule * henbit Lathyrus vestitus var. vestitus wild sweetpea Lepidium nitidum shining or common peppergrass Logfia filaginoides California cottonrose Lonicera subspicata var. subspicata Santa Barbara honeysuckle Lupinus bicolor bicolored lupine Lupinus hirsutissimus stinging lupine Lupinus nanus sky lupin Lupinus sparsiflorus few-flowered lupine Lupinus succulentus arroyo lupine Lysimachia arvensis * scarlet pimpernel Lythrum hyssopifolia * hyssop loosestrife Malacothamnus fasciculatus var. nuttallii nuttall bush mallow Malacothrix saxatilis var. saxatilis cliff aster Malosma laurina laural sumac Malva nicaeensis * bull mallow Malva parviflora * cheeseweed Marah macrocarpa wild cucumber Marrubium vulgare * horehound Matricaria discoidea pineapple weed Medicago polymorpha * burclover Melica frutescens woody melicgrass Melica imperfecta coast range melic Melilotus albus * white sweet-clover Melilotus indica * yellow sweet-clover Mimulus aurantiacus var. pubescens bush monkeyflower Mirabilis laevis var. crassifolia California wishbone bush Myoporum laetum * myoporum Nasturtium officinale water cress Navarretia atractyloides hollyleaf pincushionplant Nicotiana glauca * tree tobacco Nicotiana quadrivalvis indian tobacco Oenothera xenogaura * Drummond's gaura Olea europaea * olive Opuntia ficus-indica * mission cactus/tuna cactus Opuntia littoralis var. littoralis coast prickly pear Oxalis albicans California wood sorrel Oxalis pes-caprae * Bermuda buttercup; sour grass Oxalis pilosa hairy wood sorrel Paeonia californica California peony Pennisetum clandestinum * Kikuyu grass Pennisetum setaceum * fountain grass Phacelia cicutaria var. hispida caterpillar phacelia Phacelia hubbyi Hubby's caterpillar phacelia Phacelia ramosissima branching phacelia Phacelia viscida var. albiflora sticky phacelia or white phacelia Phalaris aquatica * harding grass Pholistoma auritum var. auritum Fiesta Flower Pholistoma racemosum white fiesta flower Pittosporum undulatum * victorian box Plagiobothrys nothofulvus rusty popcornflower Plantago erecta California plantain Plantago lanceolata * narrowleaf plantain Plantago major * common plantain Platanus racemosa western sycamore Poa annua * annual bluegrass Polygonum aviculare subsp. depressum * common knotweed Polypodium californicum California polypody Polypogon monspeliensis * rabbitsfoot grass Populus trichocarpa black cottonwood Primula clevelandii var. clevelandii shooting stars Pseudognaphalium californicum green everlasting Pseudognaphalium luteoalbum * cudweed everlasting Pseudognaphalium microcephalum white everlasting Pteridium aquilinum var. pubescens western bracken fern Quercus agrifolia var. agrifolia coast live oak Ranunculus californicus California buttercup Raphanus sativus * wild radish Rhamnus crocea redberry Rhus integrifolia lemonade berry Ribes amarum bitter gooseberry Ribes speciosum fuchsia-flowered gooseberry Ricinus communis * castor bean Rosa californica California wild rose Rubus ursinus California blackberry Rumex conglomeratus * green dock Rumex crispus * curly dock Rumex pulcher * fiddle dock Salix laevigata red willow Salix lasiolepis arroyo willow Salsola australis * russian thistle Salvia apiana white sage Salvia leucophylla purple sage Salvia mellifera black sage Salvia spathacea hummingbird sage Sambucus nigra ssp. caerulea blue elderberry Samolus parviflorus water pimpernel Sanicula crassicaulis pacific sanicle Schinus molle * Peruvian peppertree Schinus terebinthifolius * Brazilian pepper Scrophularia californica California figwort Selaginella bigelovii Bigelow's spike-moss Senecio vulgaris * common groundsel Sidalcea malviflora checker bloom Silene gallica * windmill pink Silene laciniata subsp. laciniata Mexican pink Silybum marianum * milk thistle Sisymbrium irio * London rocket Sisyrinchium bellum blue-eyed grass Solanum douglasii Douglas nightshade Solanum elaegnifolium * white horse-nettle Solanum xanti chaparral nightshade Sonchus asper * spiny sowthistle Sonchus oleraceus * common sow-thistle Spergula arvensis * Corn Spurry Spergularia villosa * hairy sandspurry Stachys bullata California hedge-nettle, wood mint Stellaria media * common chickweed Stephanomeria sp. wirelettuce Stipa lepida foothill needlegrass Stipa miliacea var. miliacea * smilo grass Stipa pulchra purple needlegrass Symphoricarpos mollis snowberry Symphyotrichum chilense pacific aster Tamarix ramosissima * tamarisk, saltcedar Taraxacum officinale * common dandelion Thalictrum fendleri meadow rue Torilis arvensis * hedge parsley Toxicodendron diversilobum poison oak Tragopogon porrifolius * oyster plant, salsify Trichostema lanceolatum vinegarweed Trifolium depauperatum var. amplectens pale sack clover Trifolium hirtum * rose clover Typha domingensis southern cattail Typha latifolia * broad-leaved cattail Urospermum picroides * prickly goldenfleece Urtica dioica ssp. holosericea giant creek nettle Urtica urens * dwarf nettle Venegasia carpesioides canyon sunflower Verbena lasiostachys var. lasiostachys western vervain Vicia sativa * spring vetch Vinca major * periwinkle Xanthium spinosum * spiny clotbur Xanthium strumarium cocklebur