| Abies bracteata |
Santa Lucia fir |
|
| Abronia latifolia |
Yellow sand verbena |
|
| Abronia pogonantha |
Mojave sand verbena |
|
| Acaena pinnatifida |
Biddy biddy |
|
| Acmispon brachycarpus |
Short-podded lotus |
Lotus humistratus |
| Acmispon cytisoides |
Bentham's deerweed |
Lotus benthamii |
| Acmispon heermannii |
Woolly lotus |
Lotus heermannii |
| Acmispon parviflorus |
San Diego lotus |
Lotus micranthus |
| Actaea rubra |
Baneberry |
|
| Adiantum aleuticum |
Five-fingered fern |
|
| Agoseris apargiodes |
Seaside dandlelion |
|
| Aira caryophyllea |
European hairgrass |
|
| Allium cratericola |
Cascade onion |
|
| Allium crispum |
Crinkled onion |
|
| Allium dichlamydeum |
Coastal onion |
|
| Allium howellii |
Howell's onion |
|
| Allium hyalinum |
Glassy onion |
|
| Allium serra |
Jeweled onion |
|
| Allium triquetrum |
Three-cornered onion |
|
| Amsinckia eastwoodiae |
Eastwood's fiddleneck |
|
| Amsinckia spectabilis |
Seaside fiddleneck |
|
| Amsinckia vernicosa |
Green fiddleneck |
Amsinckia vernicosa var. vernicosa |
| Arabis blepharophylla |
Coast rock cress |
|
| Arctostaphalos purissima |
La Purisima manzanita |
|
| Arctostaphylos crustacea |
Shaggy-bark manzanita |
Arctostaphylos tomentosa |
| Arctostaphylos hookeri |
Hooker's manzanita |
|
| Arctostaphylos imbricata |
San Bruno Mountain manzanita |
|
| Arctostaphylos luciana |
Santa Lucia manzanita (berries) |
|
| Arctostaphylos luciana |
Santa Lucia manzanita (flower) |
|
| Arctostaphylos montereyensis |
Monterey manzanita |
|
| Arctostaphylos morroensis |
Morro manzanita |
|
| Arctostaphylos pumila |
Sand-mat manzanita |
|
| Arctostaphylos rudis |
Shagbark manzanita |
|
| Arctostaphylos uva-ursi |
Bear berry |
|
| Armeria maritima |
Sea thrift |
|
| Artemisia pycnocephala |
Coast sage |
|
| Astragalus breweri |
Brewer's milkvetch |
|
| Astragalus gambelianus |
Gambel's dwarf milkvetch |
|
| Astragalus lentiginosus var. nigricalysis |
Freckled milkvetch |
|
| Astragalus nuttallii |
Ocean bluff milk-vetch |
|
| Astragalus nuttallii |
Ocean bluff milk-vetch (fruit) |
|
| Astragalus oxyphysus |
Mt. Diablo milk-vetch |
|
| Athysanus unilateralis |
Ladies' tongue mustard (fruit) |
Heterodraba unilateralis |
| Azolla filicuoides |
Mosquito fern |
|
| Blennosperma nanum |
Common stickyseed |
|
| Briza maxima |
Rattlesnake grass |
|
| Brodiaea elegans |
Harvest brodiaea |
|
| Bromus arenarius |
Australian chess |
|
| Bromus catharticus |
Rescue grass |
|
| Calamagrostis nutkaensis |
Pacific reed grass |
|
| Calandrinia ciliata |
Redmaids (white) |
|
| Calendula arvensis |
Field marigold |
|
| Callitriche marginata |
California starwort |
|
| Calochortus argillosus |
Clay mariposa lily |
|
| Calochortus clavatus var. clavatus |
Club-haired mariposa |
|
| Calochortus clavatus var. recurvifolius |
Arroyo de la Cruz mariposa |
|
| Calochortus luteus |
Yellow mariposa |
|
| Calochortus obispoensis |
San Luis Obispo star tulip |
|
| Calochortus pulchellus |
Mt. Diablo fairy lantern |
|
| Calochortus tolmiei |
White pussy ears |
|
| Calypso bulbosa |
Fairy slipper |
|
| Calystegia subacaulis |
Hill morning glory |
|
| Camissonia campestris |
Mojave sun-cups |
|
| Camissonia contorta |
Contorted suncup |
|
| Campanula californica |
Marsh harebell |
|
| Cardionema ramosissimum |
Sand carpet |
|
| Carex nudata |
Naked sedge |
|
| Carex obispoensis |
San Luis Obispo sedge |
|
| Castilleja attenuata |
Valley tassels |
|
| Castilleja densiflora ssp. obispoensis |
Dense-flowered owl's clover |
|
| Castilleja latifolia |
Monterey paintbrush |
|
| Castilleja subinclusa ssp. franciscana |
Franciscan paintbrush |
|
| Castilleja wightii |
Wight's paintbrush (red and yellow) |
|
| Castilleja wightii |
Wight's paintbrush (red) |
|
| Castilleja wightii |
Wight's paintbrush (yellow) |
|
| Caulanthus anceps |
Lemmon's mustard |
Guillenia lemmonii |
| Caulanthus californicus |
California jewelflower |
|
| Ceanothus cuneatus var. fascicularis |
Buck brush |
|
| Ceanothus dentatus |
Cut-leaf ceanothus |
|
| Ceanothus foliosus |
Wavy-leaved ceanothus |
|
| Ceanothus impressus |
Santa Barbara ceanothus |
|
| Ceanothus maritimus |
San Luis Obispo ceanothus |
|
| Ceanothus papillosus |
Wartleaf ceanothus |
|
| Ceanothus rigidus |
Monterey ceanothus |
Ceanothus cuneatus var. rigidus |
| Ceanothus thyrsiflorus |
Blue blossom |
|
| Centaurea cyanus |
Bachelor's buttons |
|
| Cerastium arvense |
Field chickweed |
|
| Chaenactic glabriuscula var. lanosa |
Yellow pincushion flower |
|
| Chorizanthe angustifolia |
Narrow-leaf spineflower |
|
| Chorizanthe breweri |
Brewer's spineflower |
|
| Chorizanthe douglasii |
San Benito spineflower |
|
| Cicendia quadrangularis |
Oregon timwort |
|
| Cirsium brevistylum |
Indian thistle |
|
| Cirsium fontinale var. obispoensis |
Bog thistle |
|
| Cirsium quercetorum |
Brownie thistle |
|
| Cirsium rhothophilum |
Surf thistle |
|
| Cirsium rhothophilum |
Surf thistle (leaves) |
|
| Clarkia affinis |
Chapparal clarkia |
|
| Clarkia amoena |
Farewell-to-spring |
|
| Clarkia prostrata |
Prostrate clarkia |
|
| Clarkia rubicunda |
Ruby-chalice clarkia |
|
| Clarkia speciosa |
Red-spot clarkia |
|
| Claytonia gypsophiloides |
Gypsum spring beauty |
|
| Claytonia sibarica |
Candy flower |
|
| Clinopodium douglasii |
Yerba buena |
Satureja douglasii |
| Collinsia bartsiifolia |
White collinsia |
|
| Collinsia heterophylla |
Chinese houses (white) |
|
| Collinsia sparsiflora |
Few-flowered collinsia (white) |
|
| Conicosia pugioniformis |
Slender-leaved iceplant |
|
| Crassula aquatica |
Aquatic pygmy weed |
|
| Cryptantha flaccida |
Beaked cryptantha |
|
| Cryptantha leiocarpa |
Coast cryptantha |
|
| Cynoglossum grande |
Western hound's tongue |
|
| Cynosurus echinatus |
Hedgehog dogtail |
|
| Cytisus scoparius |
Scotch broom |
|
| Danthonia californica |
California oatgrass |
|
| Delphinium decorum |
Coastal larkspur |
|
| Delphinium decorum |
Coastal larkspur (blue and white) |
|
| Delphinium hesperium |
Western larkspur |
|
| Delphinium nudicaule |
Red larkspur |
|
| Delphinium parryi ssp. blochmaniae |
Dune larkspur |
|
| Delphinium recurvatum |
Valley larkspur |
|
| Delphinium veriegatum? |
Royal larkspur? |
|
| Dichelostemma congestum |
Ookow |
|
| Dipsacus sativus |
Fuller's teasel |
|
| Distichlis spicata |
Salt grass |
|
| Dodecatheon hendersonii |
Foothill shooting star |
|
| Draba verna |
Whitlow grass |
|
| Dudleya farinosa |
Sea lettuce |
|
| Dudleya palmeri |
Palmer's liveforever |
|
| Eastwoodia elegans |
Eastwoodia (in bud) |
|
| Ephedra californica |
Desert tea (tree) |
|
| Epilobium ciliatum ssp. watsonii |
San Francisco willowherb |
|
| Eremalche parryi ssp. kernensis? |
Kern mallow? |
|
| Eremalche parryi ssp. parryi |
Parry's mallow |
|
| Erigeron glaucus |
Seaside daisy |
|
| Eriodictyon californicum |
California yerba santa |
|
| Eriogonum latifolium |
Coast buckwheat |
|
| Eriogonum nortonii |
Pinnacles buckwheat |
|
| Eriophyllum multicaule |
Many-stemmed eriophyllum |
|
| Eriophyllum staechadifolium |
Lizard tail |
|
| Eryngium armatum |
Coastal coyote thistle |
|
| Erysimum capitatum var. capitatum |
San Luis Obispo wallflower |
|
| Erysimum franciscanum |
San Francisco wallflower |
|
| Erysimum insulare sp. suffrutescens |
Dune wallflower |
|
| Erysimum menziesii |
Headland wallflower |
|
| Eschscholzia lobbii |
Frying pans |
|
| Eschscholzia rhombipetela |
Diamond-petal poppy |
|
| Euphorbia crenulata |
Chinese caps |
|
| Euphorbia peplus |
Petty spurge |
|
| Festuca arundinacea |
Tall fescue |
|
| Festuca californica |
California fescue |
|
| Fragaria chiloensis |
Beach strawberry |
|
| Fragaria vesca |
Woodland strawberry |
|
| Fritillaria affinis |
Mission bells |
|
| Fritillaria agrestis |
Stink bells |
|
| Fumaria parviflora |
Fine-leaf fumitory |
|
| Galium californicum |
California bedstraw |
|
| Gamochaeta ustulata |
Purple everlasting |
Gnaphalium purpureum |
| Geranium core-core |
New Zealand geranium |
Geranium retrorsum |
| Geranium dissectum |
Cutleaf geranium (white) |
|
| Geranium purpureum |
Little robin |
|
| Gilia achilleifolia ssp. achilliefolia |
California gilia |
|
| Gilia achilleifolia ssp. multicaulis |
Many-stemmed California gilia |
|
| Gilia latiflora |
Broad-flowered gilia |
|
| Gilia tenuiflora |
Sand gilia |
|
| Grindelia hirsutula |
Hairy gumweed |
|
| Grindelia stricta |
Coastal gumweed |
|
| Hemizonia congesta ssp. luzulifolia |
Hayfield tarweed |
|
| Heracleum maximum |
Cow parsnip |
Heracleum lanatum |
| Hesperevax sparsiflora |
Common evax |
|
| Hesperocyparis macrocarpa |
Monterey cypress |
Cupressus macrocarpa |
| Hesperocyparis sargentii |
Sargent cypress |
Cupressus sargentii |
| Hesperolinon breweri |
Brewer's dwarf flax |
|
| Hesperomecon linearis |
Carnival poppy |
Meconella linearis |
| Horkelia cuneata ssp. sericea |
Wedgeleaf horkelia |
|
| Hornungia procumbens |
Prostrate hutchinsia |
Hutchinsia procumbens |
| Iris douglasiana |
Douglas iris |
|
| Iris douglasiana |
Douglas iris (pale) |
|
| Iris longipetala |
Coast iris |
|
| Iris macrosiphon |
Ground iris |
|
| Lasthenia ferrisiae |
Alkali goldfields |
|
| Lasthenia fremontii |
Vernal pool goldfields |
|
| Lasthenia glaberrima |
Smooth goldfields |
|
| Lasthenia microglossa |
Small-rayed goldfields |
|
| Lasthenia minor |
Woolly goldfields |
|
| Layia chrysanthemoides |
Wetland tidy tips |
|
| Layia glandulosa |
Desert tidy tips (pale yellow) |
|
| Layia hieracioides |
Tall tidy tips |
|
| Layia munzii |
Munz' tidy tips |
|
| Layia pentachaeta ssp. albida |
White Sierra tidy tips |
|
| Lepechinia calycina |
Woodbalm pitcher sage (inflated calyx) |
|
| Lepidium jaredii |
Jared's peppergrass |
|
| Lepidium strictum |
Upright pepperweed |
|
| Leptosiphon androsaceus |
False baby stars |
Linanthus androsaceus |
| Leptosiphon androsaceus |
False baby stars (white) |
Linanthus androsaceus |
| Leptosiphon bicolor |
Bicolor linanthus |
Linanthus bicolor |
| Leptosiphon bicolor |
Bicolor linanthus (white) |
Linanthus bicolor |
| Leptosiphon grandiflorus |
Large-flowered linanthus |
Linanthus grandiflorus |
| Leptosiphon pygmaeus |
Pygmy linanthus |
Linanthus pygmaeus |
| Leptosyne calliopsidea |
Leafy-stem coreopsis |
Coreopsis calliopsidea |
| Lessingia germanorum |
San Francisco lessingia |
|
| Lessingia glandulifera var. glandulifera? |
Sticky lessingia? |
|
| Limnanthes douglasii ssp. douglasii |
Common meadowfoam |
|
| Limnanthes douglasii ssp. rosea |
Common meadowfoam |
|
| Limnanthes douglasii ssp. rosea |
Common meadowfoam (single flower) |
|
| Linum bienne |
Narrow-leaf flax |
|
| Lithophragma heterophyllum |
Woodland star |
|
| Lomatium californicum |
California lomatium |
|
| Lomatium macrocarpum |
Large-fruited lomatium |
|
| Lonicera hispidula |
Pink honeysuckle |
|
| Lonicera involucrata var. ledebourii |
Twinberry |
|
| Lunaria annua |
Moonwort |
|
| Lupinus albifrons |
Silver bush lupine |
|
| Lupinus arboreus |
Yellow bush lupine |
|
| Lupinus bicolor |
Dove lupine (pink) |
|
| Lupinus cervinus |
Deer lupine |
|
| Lupinus chamissonis |
Dune bush lupine |
|
| Lupinus formosus |
Summer lupine |
|
| Lupinus microcarpus |
Chick lupine (blue) |
|
| Lupinus nanus |
Sky lupine |
|
| Lupinus variicolor |
Varied lupine |
|
| Luzula comosa |
Pacific wood-rush |
|
| Madia radicata |
Showy madia |
|
| Madia sativa |
Coast tarweed |
|
| Malacothrix californica |
California desert dandelion |
|
| Malacothrix floccifera |
Woolly malacothrix |
|
| Malacothrix incana |
Dunedelion |
|
| Marah fabacea |
Coast wild cucumber |
Marah fabaceus |
| Marah fabacea |
Coast wild cucumber (fruit) |
Marah fabaceus |
| Marah oregana |
Coastal wild cucumber |
Marah oreganus |
| Mentzelia gracilenta |
Slender blazing star |
|
| Mentzelia pectinata |
San Joaquin blazing star |
|
| Mimulus aurantiacus var. grandiflorus |
Cut-petal bush monkeyflower |
|
| Mimulus rattanii |
Rattan's monkeyflower |
|
| Minuartia californica |
California sandwort |
|
| Minuartia douglasii |
Douglas' sandwort |
|
| Monardella undulata ssp. undulata |
San Luis Obispo monardella |
Monardella frutescens |
| Monardella villosa |
Coyote mint |
Monardella antonina |
| Monolopia congdonii |
San Joaquin woollythreads |
|
| Monolopia major? |
Cupped monolopia? |
|
| Monolopia stricta |
Crum's monolopia |
|
| Morella californica |
Wax myrtle |
Myrica californica |
| Mucronea californica |
California spineflower |
|
| Myosotis latifolia |
Broad-leaf forget-me-not |
|
| Myosurus minimus |
Little mousetail |
|
| Navarretia squarrosa |
Skunkweed |
|
| Nemacaulis denudata |
Woolly heads |
|
| Nemacladus gracilis |
Slender threadplant |
|
| Oemlaria cerasiformis |
Oso berry (fruit) |
|
| Orobanche uniflora |
Naked broomrape (white) |
|
| Osmorhiza berteroi |
Mountain sweet cicely |
Osmorhiza chilensis |
| Oxalis laxa? |
Dwarf wood sorrel? |
|
| Packera breweri |
Brewer's groundsel |
Senecio breweri |
| Petrorhagia dubia |
Wild carnation |
|
| Phacelia californica |
Rock phacelia |
|
| Phacelia ciliata |
Great Valley phacelia |
|
| Phacelia distans |
Common phacelia (white) |
|
| Phacelia divaricata |
Divaricate phacelia |
|
| Phacelia douglasii |
Douglas' phacelia |
|
| Phacelia insularis |
North Coast phacelia |
|
| Phacelia malvifolia |
Nettle-leaved phacelia |
|
| Phacelia tanacetifolia |
Lacy phacelia |
|
| Pholistoma membranaceum |
White fiesta flower |
|
| Pinus muricata |
Bishop pine |
|
| Pinus sabiniana |
Gray pine |
|
| Piperia elegans |
Coast rein orchid |
|
| Plagiobothrys humistratus |
Dwarf popcorn flower |
|
| Plagiobothrys stipitatus |
Stalked popcorn flower |
|
| Plagiobothrys tenellus |
Slender popcorn flower |
|
| Plantago coronopus |
Cutleaf plantain |
|
| Plantago maritima |
Seaside plantain |
|
| Platystemon californicus |
Cream cups (yellow) |
|
| Plectritis congesta |
Sea blush |
|
| Plectritis congesta ssp. brachystemon |
Short-spurred plectritis |
Plectritis brachystemon |
| Plectritis macrocera |
White plectritis |
|
| Pogogyne douglasii |
Douglas' mesamint |
|
| Polygonum paronychia |
Dune knotweed |
|
| Polystichum sp. |
Sword fern |
|
| Potentilla anserina |
Silverweed |
|
| Prosartes hookeri |
Fairy bells |
Disporum hookeri |
| Pseudognaphalium ramosissimum |
Pink everlasting |
Gnaphalium ramosissimum |
| Ptelea crenulata |
Hop tree |
|
| Quercus durata var. durata |
Leather oak |
|
| Ranunculus lobbii |
Lobb's aquatic buttercup |
|
| Ranunculus muricatus |
Spiny-fruit buttercup |
|
| Ranunculus occidentalis |
Western buttercup |
|
| Ribes divaricatum |
Spreading gooseberry (fruit) |
|
| Ribes sanguineum |
Red-flowering currant |
|
| Rosa nutkana |
Notkana rose |
|
| Rumex acetosella |
Sheep sorrel |
|
| Salix sitchensis |
Sitka willow |
|
| Salix sitchensis |
Sitka willow (leaves) |
|
| Salvia carduacea |
Thistle sage |
|
| Salvia sonomensis |
Creeping sage |
|
| Sanicula arctopoides |
Footsteps of spring |
|
| Sanicula laciniata |
Coast sanicle |
|
| Sanicula maritima |
Adobe snakeroot |
|
| Schimus arabicus |
Mediterranean grass |
|
| Schoenoplectus californicus |
California bulrush |
Scirpus californicus |
| Schoenoplectus pungens |
Common threesquare |
Scirpus pungens |
| Sedum spathulifolium |
Pacific stonecrop |
|
| Senecio aphanactis |
California groundsel |
|
| Senecio aronicoides |
California butterweed |
|
| Senecio californicus |
Yellow dune daisy |
|
| Senecio glomeratus |
Australasian fireweed |
Erechtites glomerata |
| Senecio glomeratus |
Australasian fireweed (underleaf) |
Erechtites glomerata |
| Senecio sylvaticus |
Woodland groundsel |
|
| Sequoia sempervirens |
Coast redwood |
|
| Sherardia arvensis |
Field madder |
|
| Sidalcea calycosa |
Pt. Reyes checkerbloom |
|
| Sisyrinchium californicum |
Yellow-eyed grass |
|
| Solanum douglasii |
White nightshade (purple-tinged) |
|
| Solanum umbelliferum |
Blue nightshade |
|
| Solidago canadensis |
Meadow goldenrod |
|
| Sparaxis tricolor |
Wandflower |
|
| Spergularia rubra |
Red sand spurrey |
|
| Stachys ajugoides |
Hedge nettle |
|
| Stachys chamissonis |
Giant hedge-nettle |
|
| Streptanthus albidus ssp. peramoenus |
Jewelflower |
|
| Streptanthus albidus ssp. peramoenus |
Jewelflower (pale) |
|
| Streptanthus insignis? |
San Benito jewelflower? |
|
| Symphyotrichum chilense |
Wild aster |
Aster chilensis |
| Tanacetum bipinnatum |
Dune tansy |
Tanacetum camphoratum |
| Taraxia ovata |
Golden eggs |
Camissonia ovata |
| Tellima grandiflora |
Fringe cups |
|
| Tetrapteron graciliflorum |
Hill suncup |
Camissonia graciliflora |
| Toxicoscordion venenosus |
Death camas |
Zigadenus venenosus |
| Trientalis latifolia |
Pacific starflower |
|
| Trifolium barbigerum |
Bearded clover |
|
| Trifolium bifidum |
Notch-leaf clover |
|
| Trifolium depauperatum |
Balloon clover |
|
| Trifolium dubium |
Shamrock clover |
|
| Trifolium gracilentum |
Pinpoint clover |
|
| Trifolium microdon |
Thimble clover |
|
| Trifolium polyodon |
White-tipped clover |
Trifolium variegatum |
| Trifolium subterraneum |
Subterranean clover |
|
| Trillium chloropetalum |
Common trillium |
|
| Triphysaria eriantha ssp. eriantha |
Butter and eggs |
|
| Triphysaria floribunda |
San Francisco owl's clover |
|
| Triphysaria micrantha |
Little butter and eggs |
|
| Triphysaria micrantha |
Little butter and eggs (white) |
|
| Triphysaria pusilla |
Dwarf owl's clover |
|
| Triphysaria versicolor |
Yellowbeak owl's clover |
|
| Triteleia laxa |
Ithuriel's spear |
|
| Ulex europaeus |
Gorse |
Ulex europaea |
| Vaccinium ovatum |
Huckleberry |
|
| Vicia gigantea |
Giant vetch |
|
| Vicia villosa spp. varia |
Winter vetch |
|
| Whipplea modesta |
Modesty |
|
| Wyethia helenioides |
Mule ears |
|