[Original list prepared for the Zoo by Barbara Leitner in 1995.]
[Linked treatment on this page by Calflora, 2007.]
(Notations in parentheses indicate California Native Plant Society rarity or endangerment rank. In decreasing order of rarity, they are as follows: List 1B--rare and endangered; Rank A2--unusual for Alameda and Contra Costa counties, three to five known records; Rank B--unusual for Alameda and Contra Costa counties, six to ten known records; Rank C--unusual for Alameda and Contra Costa counties, more than ten records, a watch list. Sources: Skinner and Pavlik 1995 and Lake 1995.)
FERNS AND FERN ALLIES DENNSTAEDTIACEAE BRACKEN FAMILY Pteridium aquilinum var. pubescens Bracken fern DRYOPTERIDACEAE WOOD FERN FAMILY Polystichum munitum Sword fern EQUISETACEAE HORSETAIL FAMILY Equisetum cf. arvense Common horsetail POLYPODIACEAE POLYPODY FAMILY Polypodium calirhiza California polypody PTERIDACEAE BRAKE FAMILY Adiantum jordanii California maiden-hair Pellaea andromedaefolia Coffee fern Pentagramma triangularis Goldback fern GYMNOSPERMS CUPRESSACEAE CYPRESS FAMILY Cupressus sp. Ornamental cypress PINACEAE Pinus radiata Monterey pine (ornamental) Pinus coulteri Coulter pine (ornamental) TAXODIACEAE BALD CYPRESS FAMILY Sequoia sempervirens Coast redwood MONOCOTYLEDONS CYPERACEAE SEDGE FAMILY Carex dudleyi (Rank A1) Dudley's sedge Carex multicostata (Rank A1) Many-ribbed sedge Cyperus eragrostis Nutsedge IRIDACEAE IRIS FAMILY Sisyrhinchium bellum Blue-eyed grass JUNCACEAE RUSH FAMILY Juncus bufonius var. bufonius Toad rush Juncus effusus var. pacificus Bog rush Juncus occidentalis (Rank A2) Western rush Juncus patens Common rush Juncus phaeocephalus Brown-headed rush Juncus tenuis (Rank C) Slender rush Juncus xiphioides Iris-leaved rush Luzula comosa Wood rush LILAEACEAE FLOWERING QUILLWORT FAMILY Lilaea scilloides (Rank C) Flowering quillwort LILIACEAE LILY FAMILY Asparagus officinalis ssp. officinalis Asparagus Brodiaea elegans ssp. elegans Harvest brodiaea Calochortus luteus (Rank C) Yellow mariposa lily Chlorogalum pomeridianum Soaproot Dichelostemma pulchella Blue dicks Disporum hookeri Fairy lantern Smilacina racemosa False Solomon's seal Triteleia laxa Brodiaea Zigadenus fremontii Fremont's star-lily ORCHIDACEAE ORCHID FAMILY Corallorhiza maculata (List A2 or B) Spotted coralroot Epipactis helleborine Epipactis POACEAE GRASS FAMILY Agrostis hallii Hall's bent grass Agrostis pallens Seashore bent grass Agrostis cf. stolonifera Bent grass Agrostis viridis Water bent grass Aira caryophyllea Hair grass Avena barbata Slender wild oats Avena fatua Wild oat Brachypodium distachyon Goat grass Briza minor Little quaking grass Bromus diandrus Ripgut grass Bromus hordeaceus Soft chess Bromus madritensis ssp. rubens Red brome Bromus stamineus Brome Cortaderia sellanoa Pampas grass Danthonia californica (Rank C) California oatgrass Digitaria sanguinalis Digitaria Elymus glaucus ssp. glaucus Western rye grass Gastridium ventricosum Nitgrass Hainardia cylindrica (=Monerma c.) Hainardia Holcus lanatus Velvet grass Hordeum vulgare Common barley Hordeum murinum ssp. leporinum Farmer's foxtail Hordeum jubatum (Rank A2) Foxtail barley Hordeum marinum ssp. gussoneanum Mediterranean barley Lolium multiflorum Italian ryegrass Melica torreyana Torrey's melic Nassella pulchra Purple needlegrass Nassella lepida Narrow needlegrass Paspalum dilatatum Dallis grass Poa annua Annual bluegrass Poa secunda Pine bluegrass Polypogon monspeliensis Rabbitsfoot grass Triticum aestivum Wheat Vulpia microstachys var. ciliata Fescue Vulpia myuros var. myuros Rattail fescue Vulpia myuros var. hirsuta Western six-weeks fescue Vulpia bromoides Six-weeks fescue Vulpia octoflora Eight-flowered fescue TYPHACEAE CATTAIL FAMILY Typha angustifolia Narrow-leaved cattail DICOTYLEDONS ACERACEAE MAPLE FAMILY Acer macrophyllum Big-leaf maple Acer negundo var. californicum (Rank C) Box-elder ANACARDIACEAE SUMAC FAMILY Toxicodendron diversilobum Poison-oak APIACEAE CARROT FAMILY Anthriscis caucalis Bur-chervil Conium maculatum Poison-hemlock Foeniculum vulgare Fennel Heracleum lanatum Cow parsnip Osmorhiza chilensis Osmorhiza Perideridia kelloggii Yampah Sanicula crassicaulis Pacific sanicle Sanicula bipinnatifida Purple sanicle Sanicula laciniata (List A2) Coast sanicle Scandix pecten-veneris Venus' needle Tauschia hartwegii (Rank C) Tauschia Torilis nodosa Hedge parsley Yabea microcarpa (Rank B) Yabea APOCYNACEAE DOGBANE FAMILY Vinca major Periwinkle ARALIACEAE GINSENG FAMILY Hedera helix English ivy ASTERACEAE SUNFLOWER FAMILY Achillea millefolium Yarrow Achyrachaena mollis Blow-wives Agoseris grandiflora Large-flowered agoseris Artemisia californica Coastal sagebrush Artemisia douglasiana Mugwort Aster radulinus Aster Baccharis pilularis Coyote bush Carduus pycnocephalus Italian thistle Centaurea melitensis Napa thistle Chamomilla suaveolens Pineapple weed Cirsium vulgare Bull thistle Conyza bonariensis South American conyza Cotula australis Australian cotula Cotula coronopifolia Brass buttons Eriophyllum confertiflorum var. confertiflorum Woolly sunflower Filago gallica Narrow-leaved filago Gnaphalium luteo-album Cudweed Gnaphalium ramosissimum Pink everlasting Gnaphalium californicum California everlasting Grindelia camporum Gumplant Helenium puberulum Sneezeweed Hemizonia corymbosa ssp. corymbosa Tarweed Hemizonia congesta Tarweed Hesperevax sparsiflora Erect evax Hypochaeris glabra Smooth cat's ear Hypochaeris radicata Hairy cat's ear Lactuca serriola Prickly wild lettuce Lactuca virosa Wild lettuce Madia gracilis Slender tarweed Madia sativa Common tarweed Madia exigua Small tarweed Picris echioides Bristly ox-tongue Psilocarphus tenellus var. tenellus Woolly marbles Senecio mikanioides German ivy Senecio vulgaris Groundsel Silybum marianum Milk thistle Solidago californica California goldenrod Soliva sessilis Soliva Sonchus asper Prickly sow thistle Sonchus oleraceus Sow thistle Taraxacum officinale Dandelion Wyethia angustifolia Narrow-leaved mule ears Xanthium strumarium Cocklebur BETULACEAE BIRCH FAMILY Corylus cornuta var. californica Hazelnut BORAGINACEAE BORAGE FAMILY Amsinckia menziesii var. intermedia Common fiddleneck Cryptantha torreyana (Rank A2) Torrey's cryptantha Plagiobothrys stipitatus var. micranthus Popcorn flower (Rank B) BRASSICACEAE MUSTARD FAMILY Barbarea orthoceras Winter cress Brassica nigra Black mustard Brassica rapa Field mustard Capsella bursa-pastoris Shepherd's purse Cardamine oligosperma Bitter-cress Coronopus didymus Swine cress Hirschfeldia incana Mediterranean mustard Lepidium nitidum var. nitidum Shining peppergrass Lunaria annua Moonwort Raphanus sativus Wild radish Rorippa nasturtium-aquaticum Watercress Sinapis arvensis Charlock Sisymbrium officinale Hedge mustard Sisymbrium irio London rocket CAPRIFOLIACEAE HONEYSUCKLE FAMILY Lonicera hispidula var. vacillans Honeysuckle Sambucus mexicana Blue elderberry Symphoricarpos albus var. laevigatus Snowberry CARYOPHYLLACEAE PINK FAMILY Cerastium glomeratum Mouse-ear chickweed Polycarpon tetraphyllum Four-leaved polycarp Sagina apetala (Rank B) Sticky pearlwort Silene gallica Windmill pink Spergula arvensis ssp. arvensis Corn spurry Spergularia bocconii Boccone's sand spurry Spergularia rubra Sand spurry Stellaria media Chickweed CISTACEAE ROCK-ROSE FAMILY Helianthemum scoparium (Rank B) Rush-rose CHENOPODIACEAE GOOSEFOOT FAMILY Chenopodium album Pigweed Chenopodium ambrosioides Ambrosia-leaved goosefoot Chenopodium murale Wall goosefoot CONVOLVULACEAE MORNING-GLORY FAMILY Calystegia purpurata ssp. purpurata Western morning glory Convolvulus arvensis Orchard bindweed CRASSULACEAE STONECROP FAMILY Crassula connata Sand pigmyweed CUCURBITACEAE GOURD FAMILY Cucumis sp. Cantelope Marah fabaceus Manroot ELAEAGNACEAE OLEASTER FAMILY Eleagnus angustifolius Russian olive ELATINACEAE WATERWORT FAMILY Elatine sp. Waterwort ERICACEAE HEATH FAMILY Arctostaphylos tomentosa ssp. crustacea Brittle manzanita (Rank C) Vaccinium ovatum (Rank B) Huckleberry EUPHORBIACEAE SPURGE FAMILY Euphorbia peplus Petty spurge FABACEAE LEGUME FAMILY Acacia cf. melanoxylon Blackwood acacia Asparagus[sic] gambelianus Gambel's dwarf locoweed Genista monspessulana French broom Lathyrus vestitus var. vestitus Pacific pea; hillside pea Lotus scoparius var. scoparius Deerweed Lotus humistratus Hill lotus Lotus micranthus Small-flowered lotus Lotus wrangelianus Chile lotus; trefoil Lupinus sp. Lupine Lupinus albifrons Silver lupine Lupinus bicolor Dwarf lupine Medicago polymorpha Bur clover Melilotus indica Yellow sweet clover Robinia pseudoacacia Black locust Trifolium sp. Clover Trifolium depauperatum var. truncatum Pale sack clover Trifolium dubium Shamrock Trifolium fragiferum Strawberry clover Trifolium glomeratum Round clover Trifolium microdon Square-headed clover Trifolium willdenovii Clover Vicia villosa ssp. villosa Winter vetch Vicia sativa ssp. nigra Common vetch Vicia sativa ssp. sativa Spring vetch FAGACEAE OAK FAMILY Quercus agrifolia var. agrifolia Coast live oak GARRYACEAE SILK-TASSEL FAMILY Garrya elliptica (Rank B) Silk-tassel bush GERANIACEAE GERANIUM FAMILY Erodium botrys Long-beaked filaree Erodium cicutarium Red-stemmed filaree Geranium dissectum Cut-leaf geranium GROSSULARIACEAE GOOSEBERRY FAMILY Ribes divaricatum var. pubiflorum Straggly gooseberry (Rank B) Ribes californicum var. californicum Hillside gooseberry Ribes menziesii Canyon gooseberry HIPPOCASTANCEAE BUCKEYE FAMILY Aesculus californica California buckeye LAMIACEAE MINT FAMILY Mentha arvensis Mint Monardella villosa ssp. globosa (List 1B) Coyote mint Monardella villosa ssp. villosa Robust monardella Pogogyne serpylloides Thyme-leaved pogogyne Satureja douglasii Yerba buena Scutellaria tuberosa (Rank C) Skullcap Stachys ajugoides var. rigida Hedge nettle LAURACEAE LAUREL FAMILY Umbellularia californica California bay LYTHRACEAE LOOSESTRIFE FAMILY Lythrum hyssopifolium Hyssop loosestrife MALVACEAE MALLOW FAMILY Malva nicaeensis Bull mallow Malva sylvestris High mallow Sidalcea malvaeflora ssp. malvaeflora Checkerbloom (Rank C) MYRTACEAE MYRTLE FAMILY Eucalyptus globulus Blue gum eucalyptus OLEACEAE OLIVE FAMILY Olea europea European olive ONAGRACEAE EVENING-PRIMROSE FAMILY Camissonia ovata (Rank C) Suncup Epilobium canum ssp. canum California fuschia Epilobium brachycarpum Willow-herb Epilobium ciliatum ssp. ciliatum Willow-herb (Rank C) OXALIDACEAE OXALIS FAMILY Oxalis laxa Oxalis Oxalis pes-caprae Bermuda buttercup PAPAVERACEAE POPPY FAMILY Eschscholzia californica California poppy PLANTAGINACAE PLANTAGO FAMILY Plantago erecta Woolly plantain Plantago coronopus Cut-leaved plantain Plantago lanceolata English plantain PLATANACEAE SYCAMORE FAMILY Platanus racemosa Western sycamore POLEMONIACEAE PHLOX FAMILY Navarretia squarrosa Skunkweed Navarretia mellita (Rank C) Honey-scented navarretia POLYGONACEAE BUCKWHEAT FAMILY Eriogonum nudum var. nudum Coast buckwheat Polygonum arenastrum Knotweed Rumex acetosella Sheep sorrel Rumex crispus Curly dock Rumex pulcher Fiddle dock Rumex salicifolius Willow dock PORTULACACEAE PURSLANE FAMILY Calandrinia ciliata Red maids Claytonia parviflora ssp. parviflora Small-leaved miner's lettuce (Rank B) Claytonia perfoliata Miner's lettuce Portulaca oleracea Common purslane PRIMULACEAE PRIMROSE FAMILY Anagallis arvensis Scarlet pimpernel Dodecatheon hendersonii Shooting star RANUNCULACEAE BUTTERCUP FAMILY Clematis ligusticifolia (Rank C) Virgin's bower Ranunculus californicus California buttercup Thalictrum sp. Meadow rue RHAMNACEAE BUCKTHORN FAMILY Rhamnus californica ssp. californica Coffeeberry Rhamnus crocea var. crocea (Rank B) Redberry ROSACEAE ROSE FAMILY Acaena pinnatifida var. californica Acaena (Rank C) Adenostoma fasciculatum Chamise Aphanes occidentalis Lady's mantle Cotoneaster pannosa Cotoneaster Fragaria vesca Wood strawberry Heteromeles arbutifolia Toyon Holodiscus discolor Ocean spray Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Prunus cf. dulcis Almond Pyracantha angustifolia Pyracantha Rosa sp. Wild rose Rubus ursinus California blackberry Rubus vitifolius Himalaya blackberry RUBIACEAE MADDER FAMILY Galium aparine Bedstraw Galium porrigens Climbing bedstraw Galium murale Wall bedstraw Galium parisiense Wall bedstraw Sherardia arvensis Sherardia SALICACEAE WILLOW FAMILY Populus fremontii Fremont cottonwood Salix laevigata Red willow SCROPHULARIACEAE FIGWORT FAMILY Antirrhinum vexillo-calyculatum (Rank B) Wiry snapdragon Bellardia trixago Bellardia Castilleja attenuata Valley tassels Castilleja densiflora ssp. densiflora Pink owl's clover (Rank C) Castilleja exserta ssp. exserta Pink owl's-clover Castilleja foliolosa Woolly Indian paintbrush Castilleja lineariloba Owl's-clover Mimulus aurantiacus Bush monkeyflower Pedicularis densiflora (Rank C) Indian warrior Scrophularia californica ssp. californicaCalifornia bee plant Triphysaria pusilla Dwarf owl's-clover SOLANACEAE NIGHTSHADE FAMILY Solanum americanum Small-flowered night- shade Solanum umbelliferum Blue witch URTICACEAE NETTLE FAMILY Urtica urens Dwarf nettleHome
Last modified October 31, 2007.