Plant Species (Compiled by Ellen Dean, UC Davis Herbarium) Scientific Name Common Name Habitat Blooms in LICHEN Ramalina menziesii Lace lichen R M -- MOSSES Funaria hygrometrica Funaria moss -- -- Bryum capillare Bryum moss -- -- POLYPODIOPHYTA FERNS & THEIR ALLIES DRYOPTERIDACEAE Wood Fern Family Dryopteris arguta Wood Fern S L -- PTERIDACEAE Maidenhair Fern Family Adiantum jordanii Maidenhair fern M L -- Pellaea andromedifolia Coffee fern X O -- Pentagramma triangularis ssp. Goldenback fern O -- triangularis PINOPHYTA CONIFERS PINACEAE Pine Family Pinus ponderosa Ponderosa pine -- -- Pinus sabiniana Gray pine S C L -- ANTHOPHYTA FLOWERING PLANTS DICOTYLEDONS ACERACEAE Maple Family Acer macrophyllum Bigleaf maple R April-May AMARANTHACEAE Pigweed Family Amaranthus albus Tumbleweed D G June-Oct ANACARDIACEAE Sumac Family Rhus trilobata Skunkbrush X R L C March-April Toxicodendron diversilobum Poison oak Many April-May APIACEAE Celery Family Angelica californica California angelica X S G June Apiastrum angustifolium Wild celery X S G -- Daucus pusillus Rattlesnake weed X G April-June Lomatium californicum California rock parsnip SCL April-June Lomatium dasycarpum Lace parsnip C S March-June Lomatium utriculatum Bladder parsnip G S Feb-May Perideridia kelloggii Yampah G July-Aug Sanicula bipinnata Poison sanicle G L April-May
Sanicula bipinnatifida Purple sanicle G S March-May Sanicula crassicaulis Gamble weed G S March-May Sanicula tuberosa Turkey pea C L -- Scandix pecten-veneris 1 Shepherd s Needle G S -- Torilis arvensis 1 Spreading hedge parsley D May-June Torilis nodosa 1 Hedge parsley D April-June Yabea microcarpa California hedge-parsley G C S March-June ARISTOLOCHIACEAE Pipevine Family Aristolochia californica California pipe vine R C L Jan-April ASCLEPIADACEAE Milkweed Family Asclepias fascicularis Narrow-leaved milkweed X G June-Sept ASTERACEAE Aster or Sunflower Family Achillea millefolium Yarrow G March-June Achyrachaena mollis Blowwives G April-May Agoseris grandiflora California dandelion G C S May-July Aster radulinus Broad-leaved Aster X L -- Baccharis pilularis Coyote bush R C Aug-Dec Carduus pycnocephalus 1a Italian thistle G May-July Centaurea melitensis 1 Tocalote D G S April-June Centaurea solstitialis 1a Yellow star thistle D G S May-Oct Chamomilla suaveolens 2 Pineapple weed D G April-Aug Cirsium vulgare 1 Bull thistle D June-Sept Eriophyllum lanatum Woolly Sunflower X O G May-July Filago gallica 1 Narrow-leaved filago G April-June Gnaphalium californicum Green cudweed X S Jan-July Gnaphalium luteo-album 1 Jersey cudweed D G S All year Helianthella californica var. California helianthella R -- californica Hemizonia congesta ssp. Field tarweed G Sept-Oct luzulifolia Hypochaeris glabra 1 Smooth cat s-ear D May-June Lactuca serriola 1 Prickly lettuce D -- Lagophylla minor Lesser hareleaf -- -- Lagophylla ramosissima ssp. Forked hareleaf X May-Oct congesta Lasthenia californica Goldfields VP -- Leontodon taraxacoides 1 Hairy hawkbit D -- Madia exigua Threadstem madia G S May-July Madia gracilis ssp. collina Slender tarweed G S April-Aug Madia minima Pygmy Tarweed -- -- Micropus californicus Slender cottonweed -- -- Pentachaeta alsinoides Tiny pygmydaisy -- -- Psilocarphus tenellus Slender woollyheads X D G March-June Rafinesquia californica California chicory C F -- Rigiopappus leptocladus Bristle-head G C April-June Senecio vulgaris 1 Annual groundsel D Most months Sonchus asper 1 Prickly sowthistle D -- Sonchus oleraceus 1 Common sowthistle D -- Stephanomeria virgata Twiggy wreath plant X G July-Nov
Uropappus lindleyi Silver puffs -- -- Wyethia helenioides Foothill mule-ears G C March-April BORAGINACEAE Borage Family Amsinckia menziesii var. Fiddleneck D G March-June intermedia Cynoglossum grande Large-leaved hound s tongue C L March-June Heliotropium europaeum Common Heliotrope -- -- Pectocarya pusilla Little combseed X G S April Plagiobothrys nothofulvus Rusty popcorn flower G S March-May Plagiobothrys stipitatus var. Popcorn flower G S March-May micranthus BRASSICACEAE Mustard Family Athysanus pusillus Sandweed G O March-June Barbarea orthoceras American yellowrocket R May-Sept Capsella bursa-pastoris 1 Shepherd s-purse D All year Cardamine californica Milkmaids L Feb-April Cardamine oligosperma Annual bittercress R March-July Draba verna 1 Whitlow-grass D Feb-May Lepidium nitidum Shining pepperweed -- -- Thysanocarpus curvipes Lace pod R M S March-May CAMPANULACEAE Bellflower Family Githopsis specularioides Common blue cup C S April-June CAPRIFOLIACEAE Honeysuckle Family Sambucus mexicana Blue elderberry R March-Sept Symphoricarpos albus var. Common snowberry R -- laevigatus Symphoricarpos mollis Trailing snowberry G C O April-June CARYOPHYLLACEAE Pink Family Cerastium glomeratum 1 Mouse-ear chickweed X D G C Feb-May Petrorhagia dubia 1 hairypink D S May Petrorhagia prolifera 1a Childing pink D Sagina apetala Dwarf pearlwort D R May Silene antirrhina Sleepy silene F Silene gallica 1 Common catchfly D G Feb-June Stellaria media 1 Common chickweed D G S March-June CISTACEAE Rock-Rose Family Helianthemum scoparium Peak rush-rose X O -- CONVOLVULACEAE Morning-glory Family Calystegia purpurata ssp. Solano morning-glory, C L May-July purpurata bindweed CRASSULACEAE Stonecrop Family Crassula connata Sand pygmy O Feb-May Dudleya cymosa Canyon live-forever O April-June
CUCURBITACEAE Gourd Family Marah fabaceus Wild Cucumber R C Feb-April Marah watsonii Watson s manroot, bigroot C March-April ERICACEAE Heath Family Arctostaphylos manzanita Parry manzanita C Feb-April EUPHORBIACEAE Spurge Family Chamaesyce serpyllifolia ssp. Thyme-leaved spurge X Aug-Oct serpyllifolia Eremocarpus setigerus Doveweed, turkey mullein X G May-Oct Euphorbia spathulata netseed spurge, spurge, warty spurge D G Mar-June FABACEAE Pea Family Cercis occidentalis Western redbud Lathyrus vestitus var. vestitus Pacific peavine C L R Feb-April Lotus denticulatus Birds-foot trefoil C S April-June Lotus scoparius var. scoparius Common deerweed G R -- Lotus wrangelianus Smooth hill lotus D C March-Aug Lupinus albifrons Bush lupine D L March-Sept Lupinus bicolor Miniature lupine D C March-June Lupinus nanus Sky lupine O C March-June Lupinus succulentus F Arroyo lupine D C March-June Medicago polymorpha 1 Bur clover -- -- Trifolium bifidum var. Deceptive clover D G March-June decipiens G L -- Trifolium depauperatum var. Involucrate Balloon Clover truncatum -- -- Trifolium dubium 1 Little hop clover, Shamrock Trifolium glomeratum 1 Clustered clover D -- Trifolium hirtum 3 Rose clover D -- Trifolium microcephalum Small-headed clover D G March-May Trifolium microdon Thimble clover D March Trifolium oliganthum Few-flowered clover D X G -- Trifolium subterraneum 1 Subterranean clover M D R April Trifolium willdenovii Tomcat clover D G -- Vicia lutea 1 Yellow vetch L C March-May Vicia sativa ssp. nigra 1 Garden vetch D -- Vicia villosa 1 Winter vetch, Hairy vetch M D G April-May FAGACEAE Oak Family G D -- Quercus berberidifolia Scrub oak Quercus douglasii Blue oak C S April Quercus kelloggii California Black Oak S March-April Quercus lobata Valley oak L -- Quercus X morehus Oracle Oak S -- Quercus wislizeni var. wislizeni Interior live oak L -- L March-April GENTIANACEAE Gentian Family Centaurium muhlenbergii Monterey centaury L -- GERANIACEAE Geranium Family
Erodium botrys Long-beaked filaree X D G March-May Erodium cicutarium 1a Red-stemmed filaree X D G C Feb-May Geranium carolinianum Carolina geranium G S C -- Geranium dissectum 1 Cut-leaved geranium D -- Geranium molle 1 Annual cranesbill D May-July Geranium purpureum Little robin, Lesser herb robert -- -- GROSSULARIACEAE Gooseberry Family Ribes malvaceum var. Chaparral currant C L Oct-March malvaceum HALORAGACEAE Water-milfoil Family Myriophyllum sibericum Northern milfoil Lake margins -- HIPPOCASTANACEAE Buckeye Family Aesculus californica California buckeye R L May-June HYDROPHYLLACEAE Waterleaf Family Emmenanthe penduliflora F Whispering bells D C March-May Eriodictyon californicum Yerba santa G S C May-July Nemophila heterophylla Vari-leaf nemophila C S March-July JUGLANDACEAE Walnut Family Juglans californica California black walnut L April-May LAMIACEAE Mint Family Lepechinia calycina Pitcher sage G S April-June Mentha pulegium 1 Pennyroyal M L -- Pogogyne serpylloides Thyme-like G -- Salvia columbariae Chia X C D -- Scutellaria californica California Skullcap C L -- Scutellaria tuberosa F Skullcap C March-May Stachys ajugoides var. Hedge nettle M -- ajugoides Stachys ajugoides var. rigida Rigid hedge nettle M July-Aug LAURACEAE Laurel Family Umbellularia californica California bay or laurel M C L Dec-May LYTHRACEAE Loosestrife Family Lythrum hyssopifolium 1 Hyssop-leafed loosestrife VP -- MALVACEAE Mallow Family Sidalcea diploscypha Fringed sidalcea G S April-June MOLLUGINACEAE Carpet-weed Family Glinus lotoides 1 hairy carpet-weed, lotus Wetland -- sweetjuice margins MORACEAE Mulberry Family Ficus carica 4 Common fig D -- Morus alba 5 White mulberry D M --
OLEACEAE Olive Family Fraxinus dipetala Flowering ash S C L April-May ONAGRACEAE Evening Primrose Family Cammissonia hirtella F -- C April-May Clarkia affinis small clarkia, allied clarkia C April-May Clarkia purpurea ssp. Four-spot C G S April-July quadrivulnera Epilobium brachycarpum Annual willow-herb D G S June-Sept Epilobium canum California fuchsia O Aug-Nov Epilobium minutum Chaparral willow-herb D G S April-Aug PAPAVERACEAE Poppy Family Eschscholzia caespitosa Annual California poppy C March-June PLANTAGINACEAE Plantain Family Plantago erecta Annual plantain G S April POLEMONIACEAE Phlox Family Allophyllum gilioides F -- G S March-May Gilia tricolor ssp. diffusa -- G March-April Linanthus androsaceus False baby stars C S L April-June Linanthus bicolor True baby stars G S March-June Linanthus parviflorus Common Linanthus, Baby stars G S -- Navarretia pubescens Downy navarretia G May-July POLYGONACEAE Buckwheat Family Pterostegia drymarioides Woodland threadstem M L March-July Rumex sp. Dock S All year PORTULACACEAE Purslane Family Calandrinia ciliata Red maids G Feb-May Claytonia parviflora ssp. Narrow-leaved miner s lettuce D M March parviflora Claytonia perfoliata ssp. Miner s lettuce D G S L Feb-May perfoliata PRIMULACEAE Primrose Family Anagallis arvensis 1 Scarlet pimpernel D March-July Dodecatheon hendersonii Henderson s shooting star, L Feb-May RANUNCULACEAE Buttercup Family Clematis lasiantha Virgin s bower S C March-May Delphinium hesperium var. Pale western larkspur S L April-June pallescens Delphinium nudicaule Red larkspur L March-June Delphinium patens Zigzag delphinium G S March-May Ranunculus aquatilis White water-buttercup M R -- Ranunculus hebecarpus Downy buttercup L C March-May Ranunculus muricatus 1 Spiny-fruit buttercup M VP -- Ranunculus occidentalis Western buttercup G S March-May
RHAMNACEAE Buckthorn Family Ceanothus cuneatus Buck brush C March-May Ceanothus oliganthus var. Jim brush C Feb-May sorediatus Rhamnus californica Coffeeberry C S -- Rhamnus ilicifolia Holly-leaf redberry C March-June ROSACEAE Rose Family Adenostoma fasciculatum Chamise C May-June Aphanes occidentalis Western lady s mantle M G C March-June Cercocarpus betuloides Mountain mahogony C L March-May Heteromeles arbutifolia Toyon S C L April-July Holodiscus discolor Ocean spray, cream bush G S D May-Aug Potentilla glandulosa var. Sticky Cinquefoil Many May-July glandulosa Prunus dulcis Almond -- -- Prunus persica Peach -- -- Rosa californica California wild rose R L May-Aug RUBIACEAE Madder Family Galium aparine 1 Cleavers G S March-July Galium murale Yellow wall bedstraw M G S April-May Galium parisiense 1 Wall bedstraw X G O April-Aug Galium porrigens Climbing bedstraw C June SAXIFRAGACEAE Saxifrage Family Lithophragma affine Woodland star G S -- Lithophragma parviflorum var. Pink woodland G -- parviflorum Saxifraga californica California saxifrage L Feb-June Scrophularia californica California figwort -- -- SCROPHULARIACEAE Figwort Family Antirrhinum vexillo-caliculatum -- D -- Castilleja affinis Coast paintbrush X C April-May Castilleja attenuata Valley tassels G March-May Collinsia heterophylla Chinese houses L S March-June Collinsia sparsiflora var. Spinster s blue-eyed Mary D G C March-May sparsiflora Linaria canadensis F Blue toad flax D C April-May Mimulus aurantiacus Bush monkey flower D C S March-Aug Pedicularis densiflora Indian warrior C L Jan-June Triphysaria pusilla Dwarf owl s clover G April-May Veronica peregrina ssp. Hairy purslane speedwell M April-Aug xalapensis Veronica persica 1 Persian speedwell D G Feb-May SIMAROUBACEAE Quassia Family Ailanthus altissima 6 Tree of heaven D -- SOLANACEAE Nightshade Family
Datura wrightii Sacred datura -- April-Oct Nicotiana quadrivalvis Indian tobacco -- May-Oct Solanum parishii Parish s purple nightshade C L -- Solanum xanti Purple nightshade C L Feb-July VALERIANACEAE Valerian Family Plectritis brachystemon Pale plectritis S -- Plectritis ciliosa ssp. ciliosa Longspur seablush S -- Plectritis macrocera White plectritis S -- VERBENACEAE Vervain Family Phyla nodiflora Common fogfruit M -- VISCACEAE Mistletoe Family Phoradendron villosum Oak mistletoe L July-Sept VITACEAE Grape Family Vitis californica California wild grape R May-June MONOCOTYLEDONS CYPERACEAE Sedge Family Carex barbarae Santa Barbara Sedge M -- Cyperus eragrostis Umbrella sedge VP R May-Nov Cyperus erythrorhizos Redroot flatsedge R July-Oct Eleocharis macrostachya Pale Spikerush VP R -- IRIDACEAE Iris Family Iris fernaldii 7 Fernald s iris L April-May Iris aff. Orientalis -- -- -- Sisyrinchium bellum Blue-eyed grass G S March-May JUNCACEAE Rush Family Juncus effusus Rush M R -- Juncus patens Common rush M G R June-July Juncus xiphioides Sword-leaved rush M G R May-Oct LILIACEAE Lily Family Allium serra Wild onion G March-May Brodiaea elegans Harvest Brodiaea G S May-June Calochortus amabilis Golden fairy lantern S L C April-June Calochortus luteus Gold nuggets G S May-June Chlorogalum pomeridianum Soap plant G S May-Aug Dichelostemma capitatum ssp. Wild hyacinth S C G March-May capitatum Dichelostemma volubile Twining lily S C Common Fritillaria affinis Checker-lily G C S Feb-May Narcissus pseudo-narcissus Daffodil -- -- Triteleia laxa Ithuriel s spear G S C March-June Zigadenus fremontii Fremont s star-lily G S March-May Zigadenus micranthus var. Marsh zigadene VP M -- fontanus
POACEAE Grass Family Aegilops triuncialis 3 Barbed goatgrass D G March-June Agrostis exarata Pacific bent grass M D G June-Aug Aira caryophyllea 1 Hairgrass D G April-June Avena barbata Slender wild oats D G March-June Avena fatua 1 Broad-leaved wild oat D G April-June Brachypodium distachyon Purple false brome D G April-May Briza minor 1 Little quaking grass M S G April-June Bromus carinatus California brome S C L April-Aug Bromus diandrus 1 Ripgut grass D G April-June Bromus hordeaceus 1 Soft chess D G April-July Bromus laevipes Chinook brome S L May-Aug Bromus madritensis ssp. Foxtail brome D G S April-June rubens1 Bromus stamineus 8 Roadside brome D G -- Bromus sterilis Poverty brome D G April-June Cynosurus echinatus 1 Hedgehog dogtail D G April-June Elymus elymoides Squirreltail G -- Elymus glaucus ssp. jepsonii Jepson s blue wild rye G C S June-Aug Eragrostis hypnoides Creeping lovegrass R M -- Festuca californica California fescue L C -- Festuca idahoensis Idaho fescue X L -- Gastridium ventricosum 1 Nit grass D G May-Sept Hordeum marinum ssp. Mediterranian barley D G S April-June gussoneanum 1 Hordeum murinum 1 bulbous barley, mouse D M -- barley Koeleria macrantha Junegrass X S G C May-July Lolium multiflorum 1 Italian ryegrass D G March-May Melica californica California melic grass G S April-May Melica torreyana Torrey Melic Grass C S March-June Nassella lepida Foothill needlegrass X G S L C March-May Nassella pulchra Purple needlegrass G C S March-May Poa annua 1 Annual bluegrass M D G Jan-July Poa secunda Sandberg bluegrass Many -- Polypogon monspeliensis 1 Beard grass M April-Aug Taeniatherum caput-medusae 3 Medusahead G -- Vulpia microstachys var. Eastwood s fescue D S April-June ciliata Vulpia microstachys var. Zorro annual fescue -- -- hirsuta Vulpia microstachys var. Foxtail fescue X G S April-June pauciflora Vulpia myuros 3 Rat s-tail fescue X G March-June POTAMOGETONACEAE Pondweed Family Potamageton pectinatus Fennel-leaf pondweed R May-July TYPHACEAE Cattail Family Typha sp. Cattail R June
FOOTNOTES: 1a Introduced: Native to Southern Europe 1 Introduced: Native to Europe 2 Introduced: Native to NW North America and NE Asia 3 Introduced: Native to Eurasia 4 Introduced: Native to the Mediterranean 5 Introduced: Native to China 6 Introduced: Native to E Asia 7 Some Iris fernaldii in the Quail Ridge area is documented to have introgressed with I. macrosiphon. This is not the case with the vouchers for Quail Ridge, but users should be aware of the possibility. 8 Introduced: Native to Chile 9 Introduced: Native to South Africa Vouchers are available for consultation at the UC Davis Herbarium. Key to Plant Species List Habitat Abbreviations C D G L M O R S X VP Chaparral Disturbed Sites Grassland Live Oak Woodland Moist Sites Rock Outcrops Riparian areas Savanna Xeric (dry) sites Vernal pool Other * Exotic species F More common after fire Rare or Sensitive