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Criteria:   found in Napa County  •   is native  •  group by lifeform
2161  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual799 plants
Achyrachaena mollis Blow wives Annual herb 2
Acmispon americanus American bird's foot trefoil Annual herb 3
Acmispon americanus var. americanus Spanish lotus Annual herb 1
Acmispon brachycarpus Short podded lotus Annual herb  
Acmispon denticulatus Toothed lotus Annual herb  
Acmispon parviflorus Hill lotus Annual herb  
Acmispon strigosus Strigose lotus Annual herb 3
Acmispon wrangelianus Chilean trefoil Annual herb  
Agoseris heterophylla Mountain dandelion Annual herb  
Agoseris heterophylla var. crenulata Annual agoseris Annual herb  
Agoseris heterophylla var. cryptopleura Mountain dandelion Annual herb  
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb  
Agoseris heterophylla var. turgida Annual agoseris Annual herb  
Agrostis elliottiana Elliott's bentgrass Annual grass  
Agrostis hendersonii Henderson's bent grass Annual grass  
Agrostis microphylla Little leaf bentgrass Annual grass  
Allophyllum divaricatum Purple false gilia Annual herb  
Allophyllum gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. violaceum Dense false gilia Annual herb  
Allophyllum glutinosum Sticky false gilia Annual herb  
Alopecurus saccatus Foxtail Annual grass  
Amaranthus blitoides Prostrate pigweed Annual herb  
Amaranthus californicus California amaranth Annual herb  
Ammannia robusta Grand ammania Annual herb  
Amsinckia eastwoodiae Eastwood's fiddleneck Annual herb 1
Amsinckia grandiflora Large flowered fiddleneck Annual herb  
Amsinckia intermedia Common fiddleneck Annual herb 1
Amsinckia lunaris Bent flowered fiddleneck Annual herb  
Amsinckia lycopsoides Tarweed fiddleneck Annual herb  
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb 1
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia retrorsa Rigid fiddleneck Annual herb  
Anagallis minima Chaffweed Annual herb  
Ancistrocarphus filagineus Woolly fishhooks Annual herb  
Antirrhinum cornutum Spurred snapdragon Annual herb  
Antirrhinum kelloggii Lax snapdragon Annual herb 1
Antirrhinum vexillo-calyculatum Brewer's snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. breweri Brewer's sail flower snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. vexillo-calyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum ssp. breweri Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum ssp. intermedium Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum ssp. vexillocalyculatum Wiry snapdragon Annual herb  
Aphanes occidentalis Ladie's mantle Annual, Perennial herb  
Aphyllon epigalium Annual herb  
Aphyllon epigalium ssp. epigalium Annual herb  
Aphyllon purpureum Naked broom rape Annual herb  
Aphyllon vallicolum Valley broom rape Annual herb  
Apiastrum angustifolium Wild celery Annual herb  
Aristida oligantha Oldfield three awn Annual grass  
Astragalus breweri Brewer's milk vetch Annual herb  
Astragalus claranus Clara hunt's milk vetch Annual herb  
Astragalus clarianus Clara hunt's milk vetch Annual herb  
Astragalus gambelianus Loco weed Annual herb  
Astragalus rattanii Rattan's milk vetch Annual herb  
Astragalus rattanii var. jepsonianus Jepson's milk vetch Annual herb  
Astragalus tener Alkali milk vetch Annual herb  
Astragalus tener var. tener Alkali milk vetch Annual herb  
Athysanus pusillus Dwarf athysanus Annual herb  
Atriplex joaquinana San joaquin spearscale Annual herb  
Atriplex joaquiniana San joaquin orache Annual herb  
Atriplex subspicata Spike saltbush Annual herb  
Beckmannia syzigachne American sloughgrass Annual grass 5
Bergia texana Texas bergia Annual herb  
Bidens frondosa Sticktight Annual herb  
Blennosperma nanum Yellow carpet Annual herb  
Bowlesia incana Bowlesia Annual herb 1
Bromus arizonicus Arizona brome Annual grass 1
Bromus vulgaris Common brome Annual grass 1
Calandrinia breweri Brewer's calandrinia Annual herb 1
Calandrinia ciliata Redmaids Annual herb 7
Calandrinia maritima Seaside calandrinia Annual herb  
Calandrinia menziesii Calandrinia Annual herb 7
California macrophylla Round leaved filaree Annual herb  
Callitriche heterophylla var. bolanderi Bolander's water starwort Annual herb  
Callitriche marginata Winged water starwort Annual herb (aquatic)  
Callitriche palustris Vernal water-starwort Annual herb  
Callitriche verna Water starwort Annual herb  
Calycadenia fremontii Fremont's calycadenia Annual herb  
Calycadenia micrantha Small flowered calycadenia Annual herb  
Calycadenia multiglandulosa Rosin weed Annual herb  
Calycadenia pauciflora Small flowered calycadenia Annual herb  
Calycadenia truncata Rosin weed Annual herb  
Calycadenia truncata ssp. microcephala Oregon western rosinweed Annual herb  
Calyptridium quadripetalum Four petaled pussypaws Annual herb  
Camissonia contorta Contorted sun cup Annual herb  
Camissonia graciliflora Hill sun cup Annual herb  
Camissonia hirtella Hairy sun cups Annual herb  
Camissonia ignota Jurupa hills sun cups Annual herb 1
Camissonia intermedia Intermediate sun cups Annual herb  
Camissonia micrantha Spencer primrose Annual herb 2
Camissoniopsis hirtella Hairy sun cup Annual herb  
Camissoniopsis ignota Jurupa hills sun cup Annual herb 1
Camissoniopsis intermedia Intermediate sun cups Annual herb  
Camissoniopsis micrantha Spencer primrose Annual herb 2
Campanula angustiflora Eastwood's harebell Annual herb  
Campanula griffinii Griffin's harebell Annual herb  
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja ambigua Johnny nip Annual herb  
Castilleja ambigua ssp. ambigua Johnny nip Annual herb  
Castilleja ambigua var. ambigua Johnny-nip Annual herb  
Castilleja ambigua var. meadii Mead's owl's-clover Annual herb  
Castilleja attenuata Narrow leaved owl's clover Annual herb  
Castilleja densiflora Dense flower owl's clover Annual herb  
Castilleja densiflora ssp. densiflora Dense flower owl's clover Annual herb  
Castilleja exserta Owl's clover Annual herb 10
Castilleja exserta ssp. exserta Purple owl's clover Annual herb 5
Castilleja lacera Foothill owl's clover Annual herb  
Castilleja minor Little paintbrush Annual herb 1
Castilleja minor ssp. spiralis Lesser paintbrush Annual herb  
Castilleja rubicundula Cream sacs Annual herb  
Castilleja rubicundula ssp. lithospermoides Cream sacs Annual herb  
Castilleja rubicundula ssp. rubicundula Cream sacs Annual herb  
Castilleja rubicundula var. rubicundula Pink creamsacs Annual herb  
Caulanthus flavescens Yellow california mustard Annual herb 1
Caulanthus lasiophyllus California mustard Annual herb  
Centaurium davyi Davy's centaury Annual herb  
Centaurium muehlenbergii Monterey centaury Annual herb 2
Centaurium trichanthum Alkali centaury Annual herb  
Centaurium venustum Beautiful centaury Annual herb  
Centromadia fitchii Spikeweed Annual herb  
Centromadia parryi Pappose tarweed Annual herb  
Centromadia parryi ssp. parryi Pappose tarplant Annual herb  
Centromadia pungens Common tarweed Annual herb 1
Centromadia pungens ssp. maritima Common tarweed Annual herb  
Centromadia pungens ssp. pungens Common tarweed Annual herb  
Centromadia pungens ssp. septentrionalis Common tarweed Annual herb  
Centunculus minimus False pimpernel Annual herb  
Chaenactis glabriuscula Common yellow chaenactis Annual herb 3
Chaenactis glabriuscula var. glabriuscula Common yellow chaenactis Annual herb  
Chaenactis glabriuscula var. heterocarpha Variable fruited yellow chaenactis Annual herb  
Chamaesyce ocellata Contura creek spurge Annual herb  
Chamaesyce ocellata ssp. ocellata Contura creek sandmat Annual herb  
Chamaesyce serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge Annual herb  
Chamomilla suaveolens Common pineapple weed Annual herb  
Chenopodium berlandieri Pit seed goosefoot Annual herb  
Chloropyron molle Soft bird's beak Annual herb  
Chloropyron molle ssp. molle Soft bird's-beak Annual herb  
Chorizanthe membranacea Pink spineflower Annual herb 1
Chorizanthe polygonoides Knotweed spineflower Annual herb  
Chorizanthe polygonoides var. polygonoides Knotweed spineflower Annual herb  
Chorizanthe stellulata Starlet spineflower Annual herb  
Cicendia quadrangularis Common microcalis Annual herb  
Cirsium quercetorum Brownie thistle Annual, Perennial herb 1
Cistanthe maritima Seaside calandrinia Annual herb  
Clarkia affinis Chaparral fairyfan Annual herb  
Clarkia amoena Farewell to spring Annual herb 17
Clarkia amoena ssp. huntiana Farewell to spring Annual herb  
Clarkia arcuata Glandular fairyfan Annual herb  
Clarkia breweri Brewer's clarkia Annual herb 5
Clarkia concinna Red ribbons Annual herb 5
Clarkia concinna ssp. concinna Red ribbons Annual herb  
Clarkia gracilis Graceful clarkia Annual herb 3
Clarkia gracilis ssp. albicaulis White stemmed clarkia Annual herb 1
Clarkia gracilis ssp. gracilis Graceful clarkia Annual herb  
Clarkia gracilis ssp. sonomensis Sonoma clarkia Annual herb  
Clarkia gracilis ssp. tracyi Tracy's clarkia Annual herb 1
Clarkia modesta Waltham creek clarkia Annual herb  
Clarkia purpurea Purple clarkia Annual herb 9
Clarkia purpurea ssp. purpurea Purple clarkia Annual herb 2
Clarkia purpurea ssp. quadrivulnera Purple clarkia Annual herb 4
Clarkia purpurea ssp. viminea Large godetia Annual herb  
Clarkia rhomboidea Tongue clarkia Annual herb 2
Clarkia unguiculata Woodland clarkia Annual herb 19
Claytonia exigua Little spring beauty Annual herb  
Claytonia exigua ssp. exigua Viridis Annual herb  
Claytonia exigua ssp. glauca Blue leaved spring beauty Annual herb  
Claytonia gypsophiloides Gypsum spring beauty Annual herb 1
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2
Claytonia parviflora ssp. parviflora Miner'slettuce Annual herb 1
Claytonia parviflora ssp. utahensis Streambank springbeauty Annual herb 1
Claytonia parviflora ssp. viridis Green miner's lettuce Annual herb 1
Claytonia perfoliata Miner's lettuce Annual herb 6
Claytonia perfoliata ssp. intermontana Miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
Claytonia rubra ssp. depressa Red stemmed spring beauty Annual herb  
Collinsia grandiflora Large flowered collinsia Annual herb 2
Collinsia greenei Greene's collinsia Annual herb  
Collinsia heterophylla Chinese houses Annual herb 20
Collinsia heterophylla var. heterophylla Purple chinese houses Annual herb  
Collinsia sparsiflora Few flowered collinsia Annual herb  
Collinsia sparsiflora var. arvensis Field collinsia Annual herb  
Collinsia sparsiflora var. collina Hillside collinsia Annual herb  
Collinsia sparsiflora var. sparsiflora Few flowered collinsia Annual herb  
Collinsia tinctoria Tincture plant Annual herb 1
Collomia diversifolia Serpentine collomia Annual herb  
Collomia heterophylla Varied leaved collomia Annual herb  
Conyza canadensis Canada horseweed Annual herb  
Conyza canadensis var. canadensis Canadian horseweed Annual herb  
Cordylanthus mollis Soft bird's beak Annual herb  
Cordylanthus mollis ssp. mollis Soft bird's beak Annual herb (hemiparasitic)  
Cordylanthus pilosus Hairy bird's beak Annual herb  
Cordylanthus pilosus ssp. pilosus Hairy bird's beak Annual herb  
Cordylanthus pringlei Pringle's bird's beak Annual herb  
Cordylanthus tenuis Slender bird's beak Annual herb  
Cordylanthus tenuis ssp. brunneus Serpentine bird's beak Annual herb (hemiparasitic)  
Crassula aquatica Aquatic pygmy weed Annual herb  
Crassula connata Sand pygmy weed Annual herb 1
Crassula saginoides Aquatic pygmy weed Annual herb  
Croton setiger Turkey-mullein Annual herb 4
Croton setigerus Dove weed Annual herb 1
Cryptantha clevelandii Common cryptantha Annual herb  
Cryptantha clevelandii var. dissita Serpentine cryptantha Annual herb  
Cryptantha dissita Serpentine cryptantha Annual herb  
Cryptantha flaccida Beaked cryptantha Annual herb  
Cryptantha hispidula Napa cryptantha Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha intermedia var. hendersonii Henderson's cryptantha Annual herb  
Cryptantha microstachys Tejon cryptantha Annual herb  
Cryptantha muricata Prickly cryptantha Annual herb 2
Cryptantha muricata var. jonesii Jones' cryptantha Annual herb 2
Cryptantha nemaclada Colusa cryptantha Annual herb  
Cryptantha rostellata Beaked cryptantha Annual herb  
Cryptantha torreyana Torrey's cryptantha Annual herb  
Cuscuta brachycalyx San joaquin dodder Annual herb, Vine (parasitic)  
Cuscuta californica California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. breviflora California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. californica Short flowered dodder Annual herb, Vine (parasitic)  
Cuscuta indecora Big seed alfalfa dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. indecora Big seed alfalfa dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. neuropetala Nerve petaled dodder Annual herb, Vine (parasitic)  
Cuscuta occidentalis California dodder Annual herb, Vine (parasitic)  
Cuscuta pacifica Goldenthread Annual herb, Vine (parasitic)  
Cuscuta pacifica var. pacifica Dodder Annual herb, Vine (parasitic)  
Cuscuta pentagona Western field dodder Annual herb, Vine (parasitic)  
Cuscuta salina Saltmarsh dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. major Dodder Annual herb, Vine (parasitic)  
Cuscuta subinclusa Canyon dodder Annual herb, Vine (parasitic)  
Cyperus bipartitus Slender flatsedge Annual grass  
Cyperus erythrorhizos Red rooted cyperus Annual grass 2
Cyperus squarrosus Awned cyperus Annual grass  
Daucus pusillus Wild carrot Annual herb 1
Deinandra corymbosa Coastal tarweed Annual herb 1
Deinandra corymbosa ssp. corymbosa Coastal tarweed Annual herb  
Deschampsia danthonioides Annual hairgrass Annual grass  
Diplacus angustatus Narrow leaved pansy monkeyflower Annual herb 1
Diplacus bolanderi Bolander's monkeyflower Annual herb  
Diplacus congdonii Congdon's monkeyflower Annual herb  
Diplacus douglasii Purple mouse ears Annual herb 1
Diplacus kelloggii Kellogg's monkeyflower Annual herb  
Diplacus layneae Layne's monkeyflower Annual herb  
Diplacus rattanii Rattan's monkeyflower Annual herb  
Diplacus tricolor Tricolor monkeyflower Annual herb  
Downingia bicornuta Bristled downingia Annual herb  
Downingia bicornuta var. bicornuta Bristled downingia Annual herb  
Downingia concolor Spotted throat downingia Annual herb  
Downingia concolor var. concolor Spotted throat downingia Annual herb  
Downingia cuspidata Toothed downingia Annual herb  
Downingia pulchella Flatface downingia Annual herb  
Downingia pusilla Dwarf downingia Annual herb  
Draba verna var. aestivalis Small bruited spring draba Annual herb  
Eclipta prostrata False daisy Annual herb 1
Elatine brachysperma Short seed waterwort Annual, Perennial herb  
Eleocharis engelmannii Engelmann's spikerush Annual grass  
Eleocharis obtusa var. engelmannii Engelmann's spikerush Annual grass  
Emmenanthe penduliflora Whispering bells Annual herb 2
Emmenanthe penduliflora var. penduliflora Whispering bells Annual herb  
Epilobium brachycarpum Willow herb Annual herb 1
Epilobium campestre Smooth boisduvalia Annual herb  
Epilobium cleistogamum Cleistogamous boisduvalia Annual herb  
Epilobium densiflorum Willow herb Annual herb 1
Epilobium foliosum California willowherb Annual herb  
Epilobium minutum Minute willowherb Annual herb  
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1
Epilobium pygmaeum Smooth boisduvalia Annual herb  
Epilobium torreyi Narrow boisduvalia Annual herb  
Eragrostis hypnoides Teal lovegrass Annual grass  
Eragrostis mexicana Mexican lovegrass Annual grass  
Eragrostis mexicana ssp. virescens Orcutt's eragrostis Annual grass  
Eragrostis pectinacea Tufted lovegrass Annual grass  
Eragrostis pectinacea var. pectinacea Tufted lovegrass Annual grass  
Eremalche parryi Parry's mallow Annual herb 1
Eremocarpus setigerus Turkey mullein Annual herb 4
Erigeron canadensis Canada horseweed Annual herb  
Eriogonum dasyanthemum Chaparral buckwheat Annual herb  
Eriogonum gracile Slender buckwheat Annual herb 3
Eriogonum luteolum Wicker buckwheat Annual herb  
Eriogonum luteolum var. caninum Tiburon buckwheat Annual herb  
Eriogonum luteolum var. luteolum Golden buckwheat Annual herb  
Eriogonum nudum var. pubiflorum Hairy flowered buckwheat Annual herb  
Eriogonum roseum Wand buckwheat Annual herb 3
Eriogonum vimineum Wicker stemmed eriogonum Annual herb 1
Erodium macrophyllum Large leaved filaree Annual herb  
Eryngium constancei Loch lomond button celery Annual, Perennial herb  
Eryngium pinnatisectum Tuolumne button celery Annual, Perennial herb  
Erythranthe androsacea Androsace monkeyflower Annual herb  
Erythranthe arvensis Annual herb  
Erythranthe floribunda Many flowered monkey flower Annual herb 1
Erythranthe grandis Annual herb  
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Erythranthe latidens Broad toothed monkeyflower Annual herb  
Erythranthe microphylla Small leaved monkeyflower Annual herb  
Erythranthe nudata bare monkeyflower Annual herb  
Erythranthe pulsiferae Candelabrum monkey flower Annual herb  
Eschscholzia caespitosa Tufted eschscholzia Annual herb 15
Eschscholzia californica California poppy Annual, Perennial herb 50
Eschscholzia hypecoides Leafy stemmed poppy Annual herb  
Eschscholzia lobbii Frying pans Annual herb 4
Eucrypta chrysanthemifolia Spotted eucrypta Annual herb 2
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta Annual herb  
Euphorbia crenulata Chinesecaps Annual, Perennial herb  
Euphorbia ocellata Contura creek spurge Annual herb  
Euphorbia ocellata ssp. ocellata Valley spurge Annual, Perennial herb  
Euphorbia serpillifolia Thyme-leafed spurge Annual herb  
Euphorbia serpillifolia ssp. serpillifolia Thyme leafed spurge Annual, Perennial herb  
Euphorbia spathulata Reticulate seeded spurge Annual herb  
Extriplex joaquinana San Joaquin spearscale Annual herb  
Festuca microstachys Small fescue Annual grass  
Festuca octoflora Sixweeks grass Annual grass 5
Filago californica California filago Annual herb  
Galium aparine Cleavers Annual herb  
Galium tricornutum Rough bedstraw Annual herb  
Galium triflorum Sweet bedstraw Annual herb  
Geranium carolinianum Carolina geranium Annual herb  
Gilia achilleifolia California gilia Annual herb 2
Gilia achilleifolia ssp. multicaulis Many stemmed gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 19
Gilia capitata ssp. capitata Blue field gilia Annual herb 2
Gilia capitata ssp. tomentosa Hairy blue field gilia Annual herb  
Gilia clivorum Purple spot gilia Annual herb  
Gilia sinistra ssp. pinnatisecta Cut leaf clockwise gilia Annual herb  
Gilia tricolor Bird's eyes Annual herb 15
Gilia tricolor ssp. diffusa Bird's eyes Annual herb  
Gilia tricolor ssp. tricolor Bird's eyes Annual herb 1
Githopsis diffusa San gabriel bluecup Annual herb  
Githopsis diffusa ssp. robusta San gabriel bluecup Annual herb  
Githopsis specularioides Venus' looking glass Annual herb  
Gnaphalium californicum California everlasting Annual, Perennial herb 14
Gnaphalium palustre Lowland cudweed Annual herb  
Gnaphalium purpureum Purple cudweed Annual, Perennial herb 1
Gnaphalium stramineum Cotton batting Annual, Perennial herb 4
Gratiola ebracteata Common hedge hyssop Annual herb  
Guillenia flavescens Yellow california mustard Annual herb 1
Guillenia lasiophylla Shaggy thelypod Annual herb  
Harmonia hallii Hall's harmonia Annual herb  
Harmonia nutans Nodding harmonia Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 16
Helianthus bolanderi Bolander's sunflower Annual, Perennial herb 2
Helianthus exilis Serpentine sunflower Annual herb 2
Hemizonella minima Opposite leaved tarweed Annual herb  
Hemizonia congesta Hayfield tarweed Annual herb 5
Hemizonia congesta ssp. clevelandii Cleveland's tarweed Annual herb  
Hemizonia congesta ssp. congesta Hayfield tarweed Annual herb 1
Hemizonia congesta ssp. leucocephala Hayfield tarplant Annual herb  
Hemizonia congesta ssp. lutescens Hayfield tarweed Annual herb 1
Hemizonia congesta ssp. luzulifolia Woodrush tarweed Annual herb 6
Hemizonia corymbosa Coastal tarweed Annual herb 1
Hemizonia corymbosa ssp. corymbosa Central coast tarweed Annual herb  
Hemizonia corymbosa ssp. macrocephala Central coast tarweed Annual herb  
Hemizonia fitchii Spikeweed Annual herb  
Hemizonia parryi Parry's tarweed Annual herb 1
Hemizonia parryi ssp. parryi Parry's tarweed Annual herb  
Hemizonia pungens Common spikeweed Annual herb 1
Hemizonia pungens ssp. maritima Maritime spikeweed Annual herb  
Hemizonia pungens ssp. pungens Common tarweed Annual herb  
Hemizonia pungens ssp. septentrionalis Northern spikeweed Annual herb  
Hesperevax acaulis Dwarf evax Annual herb  
Hesperevax acaulis var. ambusticola Fire evax Annual herb  
Hesperevax sparsiflora Few flowered evax Annual herb  
Hesperevax sparsiflora var. brevifolia Short leaved evax Annual herb  
Hesperevax sparsiflora var. sparsiflora Few flowered evax Annual herb  
Hesperocnide tenella Western stinging nettle Annual herb  
Hesperolinon bicarpellatum Two carpellate western flax Annual herb  
Hesperolinon breweri Brewer's western flax Annual herb  
Hesperolinon californicum California western flax Annual herb  
Hesperolinon clevelandii Allen springs western flax Annual herb  
Hesperolinon disjunctum Coast range western flax Annual herb  
Hesperolinon drymarioides Drymaria like western flax Annual herb  
Hesperolinon micranthum Small flower western flax Annual herb  
Hesperolinon sharsmithiae Sharsmith's western flax Annual herb  
Hesperolinon spergulinum Slender western flax Annual herb  
Heterocodon rariflorum Heterocodon Annual herb  
Heterotheca grandiflora Telegraph weed Annual, Perennial herb 3
Heterotheca sessiliflora Golden aster Annual herb 9
Holocarpha virgata Narrow tarplant Annual herb  
Holocarpha virgata ssp. virgata Narrow tarplant Annual herb  
Hordeum depressum Alkali barley Annual grass 3
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1
Idahoa scapigera Oldstem idahoa Annual herb  
Juncus bufonius Common toad rush Annual grass 6
Juncus bufonius var. bufonius Toad rush Annual grass  
Juncus bufonius var. congestus Clustered toad rush Annual grass 1
Juncus hemiendytus Dwarf rush Annual grass  
Juncus hemiendytus var. hemiendytus Vernal pool rush Annual grass  
Juncus kelloggii Kellogg's dwarf rush Annual grass  
Juncus luciensis Santa lucia rush Annual grass  
Juncus uncialis Inch high dwarf rush Annual grass  
Lagophylla minor Little hareleaf Annual herb  
Lagophylla ramosissima Common hareleaf Annual herb  
Lagophylla ramosissima ssp. congesta Clustered hareleaf Annual herb  
Lagophylla ramosissima ssp. ramosissima Common hareleaf Annual herb  
Lasthenia burkei Burke's goldfields Annual herb  
Lasthenia californica Goldfields Annual herb 13
Lasthenia californica ssp. californica California goldfields Annual herb 2
Lasthenia conjugens Contra costa goldfields Annual herb  
Lasthenia glaberrima Smooth goldfields Annual herb  
Lasthenia glabrata Yellow rayed goldfields Annual herb 9
Lasthenia glabrata ssp. glabrata Yellow rayed goldfields Annual herb  
Lasthenia gracilis Needle goldfields Annual herb  
Lasthenia microglossa Small rayed goldfields Annual herb  
Layia chrysanthemoides Smooth tidy tips Annual herb 1
Layia gaillardioides Woodland layia Annual herb 4
Layia platyglossa Tidy tips Annual herb 20
Layia septentrionalis Colusa layia Annual herb  
Legenere limosa Legenere Annual herb  
Lepidium acutidens Net pepper grass Annual, Perennial herb  
Lepidium dictyotum Net pepper grass Annual herb  
Lepidium dictyotum var. acutidens Net pepper grass Annual herb  
Lepidium latipes Dwarf pepper grass Annual herb  
Lepidium latipes var. latipes Dwarf pepper grass Annual herb  
Lepidium nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. nitidum Shining pepper grass Annual herb  
Lepidium nitidum var. oreganum Shining pepper grass Annual herb 2
Lepidium oblongum Veiny pepper grass Annual herb  
Lepidium ruderale Roadside pepperweed Annual herb 1
Lepidium strictum Peppergrass Annual herb  
Lepidium virginicum Wild pepper grass Annual herb 1
Leptochloa fascicularis Sprangletop Annual grass  
Leptochloa fusca Sprangletop Annual grass  
Leptochloa fusca ssp. fascicularis Bearded sprangletop Annual grass  
Leptochloa fusca ssp. uninervia Mexican sprangletop Annual grass  
Leptochloa uninervia Sprangletop Annual grass  
Leptosiphon acicularis Bristly leptosiphon Annual herb  
Leptosiphon androsaceus False babystars Annual herb 1
Leptosiphon bicolor True babystars Annual herb  
Leptosiphon bolanderi Bolander's linanthus Annual herb  
Leptosiphon ciliatus Whiskerbrush Annual herb 1
Leptosiphon ciliatus ssp. ciliatus Whiskerbrush Annual herb  
Leptosiphon grandiflorus Large flowered leptosiphon Annual herb 16
Leptosiphon harknessii Harkness' flaxflower Annual herb  
Leptosiphon jepsonii Jepson's leptosiphon Annual herb  
Leptosiphon latisectus Broad lobed leptosiphon Annual herb  
Leptosiphon parviflorus Variable linanthus Annual herb 1
Leptosiphon pygmaeus Pygmy linanthus Annual herb  
Leptosiphon pygmaeus ssp. continentalis Pygmy linanthus Annual herb  
Leptosiphon pygmaeus ssp. pygmaeus Pygmy leptosiphon Annual herb  
Lessingia hololeuca Woolly headed lessingia Annual herb  
Lessingia lemmonii var. lemmonii Lemmon's lessingia Annual herb  
Lessingia micradenia Little glandular lessingia Annual herb  
Lessingia nemaclada Thread stem lessingia Annual herb  
Lessingia ramulosa Sonoma lessingia Annual herb  
Lilaea scilloides Flowering quillwort Annual herb (aquatic)  
Limnanthes alba White meadowfoam Annual herb 1
Limnanthes alba ssp. alba Typical white meadowfoam Annual herb  
Limnanthes douglasii Common meadow foam Annual herb 8
Limnanthes douglasii ssp. douglasii Douglas' meadowfoam Annual herb  
Limnanthes douglasii ssp. nivea Snow white meadowfoam Annual herb 3
Limnanthes douglasii ssp. rosea Rosy douglas' meadowfoam Annual herb 3
Limnanthes floccosa Woolly meadowfoam Annual herb  
Limnanthes floccosa ssp. floccosa Woolly meadowfoam Annual herb  
Limnanthes vinculans Sebastopol meadowfoam Annual herb  
Limosella acaulis Stemless mudwort Annual herb  
Linanthus acicularis Bristly linanthus Annual herb  
Linanthus androsaceus Common linanthus Annual herb 1
Linanthus bicolor True baby stars Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus dichotomus Evening snow Annual herb  
Linanthus dichotomus ssp. meridianus Evening snow Annual herb  
Linanthus grandiflorus Large flower linanthus Annual herb 16
Linanthus harknessii Harkness linanthus Annual herb  
Linanthus jepsonii Jepson's linanthus Annual herb  
Linanthus latisectus Napa linanthus Annual herb  
Linanthus parviflorus Common linanthus Annual herb 1
Linanthus pygmaeus Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. continentalis Pygmy linanthus Annual herb  
Linaria canadensis Toad flax Annual, Perennial herb 1
Linaria canadensis var. texana Toad flax Annual, Perennial herb 1
Lindernia dubia var. anagallidea False pimpernel Annual herb  
Logfia filaginoides California cottonrose Annual herb  
Lotus denticulatus Toothed lotus Annual herb  
Lotus humistratus Short podded lotus Annual herb  
Lotus micranthus Hill lotus Annual herb  
Lotus purshianus Bird's foot trefoil Annual herb 6
Lotus purshianus var. purshianus Spanish lotus Annual herb 1
Lotus strigosus Strigose lotus Annual herb 3
Lotus unifoliolatus American bird's foot trefoil Annual herb 2
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb  
Lotus wrangelianus Chilean trefoil Annual herb  
Lupinus affinis Fleshy lupine Annual herb  
Lupinus bicolor Lupine Annual, Perennial herb 16
Lupinus luteolus Butter lupine Annual herb 1
Lupinus microcarpus Chick lupine Annual herb 9
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 13
Lupinus microcarpus var. microcarpus Chick lupine Annual herb 3
Lupinus nanus Valley sky lupine Annual herb 11
Lupinus pachylobus Big pod lupine Annual herb  
Lupinus succulentus Arroyo lupine Annual herb 22
Lysimachia minima Chaffweed Annual herb  
Madia anomala Tarweed Annual herb  
Madia citriodora Lemon scented tarweed Annual herb  
Madia elegans Common madia Annual herb 14
Madia elegans ssp. densifolia Leafy common madia Annual herb 12
Madia elegans ssp. vernalis Spring common madia Annual herb 13
Madia exigua Small tarweed Annual herb 1
Madia gracilis Gumweed Annual herb 1
Madia hallii Hall's madia Annual herb  
Madia minima Little tarweed Annual herb  
Madia nutans Nodding madia Annual herb  
Madia sativa Coastal tarweed Annual herb  
Malacothrix clevelandii Cleveland's malacothrix Annual herb  
Malacothrix floccifera Woolly malacothrix Annual herb 1
Matricaria discoidea Pineapple weed Annual herb 3
Mentzelia dispersa Scattered blazing star Annual herb  
Mentzelia micrantha Small flowered stickleaf Annual herb 2
Micropus amphibolus Mt. diablo cottonweed Annual herb  
Micropus californicus Q tips Annual herb 1
Micropus californicus var. californicus Slender cottonweed Annual herb  
Microseris acuminata Sierra foothills microseris Annual herb 1
Microseris douglasii Douglas' microseris Annual herb  
Microseris douglasii ssp. douglasii Douglas' microseris Annual herb  
Microseris douglasii ssp. tenella Short scaled microseris Annual herb  
Microseris elegans Elegant silverpuffs Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Mimetanthe pilosa Snouted monkey flower Annual herb  
Mimulus androsaceus Androsace monkeyflower Annual herb  
Mimulus angustatus Narrow leaved pansy monkeyflower Annual herb 1
Mimulus bolanderi Bolander's monkeyflower Annual herb  
Mimulus brachiatus Serpentine monkeyflower Annual herb  
Mimulus brevipes Wide throated yellow monkeyflower Annual herb 2
Mimulus congdonii Congdon's monkeyflower Annual herb  
Mimulus douglasii Purple mouse ears Annual herb 1
Mimulus floribundus Many flowered monkey flower Annual herb 1
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Mimulus kelloggii Kellogg's monkeyflower Annual herb  
Mimulus latidens Broad toothed monkeyflower Annual herb  
Mimulus layneae Layne's monkeyflower Annual herb  
Mimulus microphyllus Small leaved monkeyflower Annual herb 35
Mimulus nudatus Bare monkeyflower Annual herb  
Mimulus parishii Parish mimulus Annual herb 35
Mimulus pilosus Snouted monkey flower Annual herb  
Mimulus pulsiferae Candelabrum monkey flower Annual herb  
Mimulus rattanii Rattan's monkeyflower Annual herb  
Mimulus rattanii ssp. decurtatus Santa cruz county monkeyflower Annual herb  
Mimulus tricolor Tricolor monkeyflower Annual herb  
Minuartia californica Sandwort Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Monardella douglasii Douglas' monardella Annual herb 1
Monolopia major Cupped monolopia Annual herb  
Montia fontana Water montia Annual herb  
Montia howellii Howell's montia Annual herb  
Muhlenbergia filiformis Slender muhly Annual, Perennial grass  
Myosurus apetalus Mouse tail Annual herb  
Myosurus minimus Little mouse tail Annual herb  
Najas guadalupensis Guadalupe water nymph Annual herb  
Najas marina Marine water nymph Annual herb  
Najas minor Brittle Waternymph Annual herb  
Navarretia atractyloides Holly leaf navarretia Annual herb  
Navarretia cotulifolia Broad leaved navarretia Annual herb  
Navarretia divaricata Mountain navarretia Annual herb  
Navarretia divaricata ssp. vividior Mountain navarretia Annual herb  
Navarretia heterandra Tehama navarretia Annual herb  
Navarretia heterodoxa Calistoga navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. intertexta Interwoven navarretia Annual herb  
Navarretia jepsonii Jepson's navarretia Annual herb  
Navarretia leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. bakeri Baker's navarretia Annual herb  
Navarretia leucocephala ssp. leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. pauciflora Few flowered navarretia Annual herb  
Navarretia linearifolia Navarretia Annual herb  
Navarretia linearifolia ssp. pinnatisecta Pinnate-leaved navarretia Annual herb  
Navarretia mellita Skunk navarretia Annual herb  
Navarretia paradoxiclara Navarretia Annual herb  
Navarretia paradoxinota Navarretia Annual herb  
Navarretia pubescens Purple navarretia Annual herb  
Navarretia rosulata Marin county navarretia Annual herb  
Navarretia sinistra ssp. pinnatisecta Pinnate leaved navarretia Annual herb  
Navarretia sinistra ssp. sinistra Alva day's gilia Annual herb  
Navarretia squarrosa Skunkweed Annual herb  
Navarretia subuligera Awl leaved navarretia Annual herb  
Navarretia tagetina Marigold navarretia Annual herb  
Navarretia viscidula Sticky navarretia Annual herb  
Navarretia vividior Mountain navarretia Annual herb  
Nemacladus capillaris Common nemacladus Annual herb  
Nemacladus montanus Mountain nemacladus Annual herb  
Nemophila heterophylla Canyon nemophila Annual herb  
Nemophila menziesii Baby blue eyes Annual herb 18
Nemophila menziesii var. atomaria Baby blue eyes Annual herb  
Nemophila menziesii var. integrifolia Baby blue eyes Annual herb  
Nemophila menziesii var. menziesii Baby blue eyes Annual herb  
Nemophila parviflora Small flowered nemophila Annual herb  
Nemophila parviflora var. parviflora Small flowered nemophila Annual herb  
Nemophila parviflora var. quercifolia Oak leaved nemophila Annual herb  
Nemophila pedunculata Meadow nemophila Annual herb  
Nicotiana bigelovii var. wallacei Indian tobacco Annual herb  
Nicotiana quadrivalvis Indian tobacco Annual herb 2
Nuttallanthus canadensis Canada toadflax Annual, Biennial herb  
Nuttallanthus texanus Blue toadflax Annual, Perennial herb 1
Orobanche vallicola Valley broom rape Annual herb  
Oxalis pilosa Hairy wood sorrel Annual herb  
Panicum capillare Old witch grass Annual grass 2
Papaver californicum Fire poppy Annual herb 2
Papaver heterophyllum Wind poppy Annual herb 6
Parvisedum congdonii Congdon's stonecrop Annual herb  
Parvisedum pumilum Sierra stonecrop Annual herb  
Pectocarya penicillata Winged pectocarya Annual herb  
Pectocarya pusilla Little pectocarya Annual herb  
Pentachaeta alsinoides Tiny pygmy daisy Annual herb  
Pentachaeta exilis Slender pentachaeta Annual herb  
Pentachaeta exilis ssp. exilis Slender pentachaeta Annual herb  
Persicaria lapathifolia Common knotweed Annual herb  
Phacelia cicutaria Caterpillar phacelia Annual herb 5
Phacelia distans Common phacelia Annual herb 3
Phacelia divaricata Divaricate phacelia Annual herb  
Phacelia imbricata var. bernardina Bernadina Phacelia Annual herb  
Phacelia imbricata var. imbricata Imbricate Phacelia Annual herb  
Phacelia suaveolens Sweet scented phacelia Annual herb  
Phacelia suaveolens var. suaveolens Sweet scented phacelia Annual herb  
Phacelia tanacetifolia Tansy leafed phacelia Annual herb 15
Phalaris angusta Timothy canarygrass Annual grass  
Phalaris lemmonii Lemmon's canarygrass Annual grass  
Phlox gracilis Annual phlox Annual herb  
Plagiobothrys bracteatus Bracted allocarya Annual herb  
Plagiobothrys canescens Valley popcorn Annual herb 1
Plagiobothrys cognatus Popcorn flower Annual herb  
Plagiobothrys cusickii Cusick's popcorn flower Annual herb  
Plagiobothrys fulvus Fulvous popcorn flower Annual herb  
Plagiobothrys fulvus var. campestris Tawny popcorn flower Annual herb  
Plagiobothrys greenei Greene's allocarya Annual herb  
Plagiobothrys hystriculus Bearded popcorn flower Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys scouleri Scouler's popcornflower Annual herb  
Plagiobothrys scouleri var. cusickii Cusick's popcornflower Annual herb  
Plagiobothrys scouleri var. hispidulus Sleeping popcornflower Annual herb  
Plagiobothrys stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys strictus Calistoga popcorn flower Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Plagiobothrys tener Slender allocarya Annual herb  
Plagiobothrys tener var. subglaber Slender popcornflower Annual herb  
Plagiobothrys tener var. tener Slender popcornflower Annual herb  
Plagiobothrys undulatus Coast allocarya Annual herb  
Plantago bigelovii Long leaf plantain Annual herb  
Plantago elongata Coastal plantain Annual herb  
Plantago erecta California plantain Annual herb 6
Platystemon californicus Cream cups Annual herb 3
Plectritis brachystemon Short spurred plectritis Annual herb  
Plectritis ciliosa Long spurred plectritis Annual herb  
Plectritis ciliosa ssp. ciliosa Long spurred plectritis Annual herb  
Plectritis ciliosa ssp. insignis Showy plectritis Annual herb  
Plectritis congesta Sea blush Annual herb 1
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb  
Plectritis macrocera Plectritis Annual herb  
Poa bolanderi Bolander's bluegrass Annual grass  
Poa howellii Howell's blue grass Annual grass  
Pogogyne douglasii Douglas' pogogyne Annual herb  
Pogogyne douglasii ssp. parviflora Douglas's pogogyne Annual herb  
Pogogyne serpylloides Thyme leaf mesa mint Annual herb  
Polygonum californicum California knotweed Annual herb  
Polygonum douglasii ssp. majus Large douglas' knotweed Annual herb  
Polygonum douglasii ssp. spergulariiforme Spurry knotweed Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Polygonum majus Large douglas' knotweed Annual herb  
Polygonum marinense Marin knotweed Annual herb  
Polygonum parryi Parry's knotweed Annual herb  
Polygonum ramosissimum ssp. ramosissimum Yellow knotweed Annual herb  
Polygonum spergulariiforme Spurry knotweed Annual herb  
Proboscidea parviflora Doubleclaw Annual herb  
Pseudognaphalium californicum Ladies' tobacco Annual, Perennial herb 13
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus oregonus Woolly marbles Annual herb  
Psilocarphus tenellus Slender woolly heads Annual herb  
Psilocarphus tenellus var. tenellus Slender woolly heads Annual herb  
Pterostegia drymarioides Fairy mist Annual herb  
Puccinellia simplex California alkaligrass Annual grass  
Rafinesquia californica California chicory Annual herb  
Ranunculus hebecarpus Pubescent fruited buttercup Annual herb  
Ranunculus lobbii Lobb's aquatic buttercup Annual herb (aquatic)  
Ranunculus pusillus Low buttercup Annual herb (aquatic)  
Ranunculus uncinatus Hooked fruit buttercup Annual, Perennial herb  
Rigiopappus leptocladus Wire weed Annual herb  
Rorippa curvipes var. truncata Blunt yellow cress Annual herb  
Rorippa curvisiliqua Curvepod yellow cress Annual, Perennial herb  
Rorippa palustris Bog yellow cress Annual, Perennial herb  
Rorippa palustris ssp. palustris Bog yellowcress Annual, Perennial herb  
Rorippa palustris var. occidentalis Western bog yellow cress Annual, Perennial herb  
Rotala ramosior Lowland rotala Annual herb  
Rumex fueginus Golden dock Annual, Perennial herb  
Rumex maritimus Golden dock Annual, Perennial herb  
Rumex persicarioides Golden dock Annual, Perennial herb  
Sagina decumbens Trailing pearlwort Annual herb  
Sagina decumbens ssp. occidentalis Western pearlwort Annual herb  
Salicornia depressa Virginia glasswort Annual herb 7
Salvia columbariae Chia sage Annual herb 11
Scribneria bolanderi Scribneria Annual grass  
Sedella pumila Sierra mock stonecrop Annual herb  
Sedum radiatum Coast range stonecrop Annual herb  
Sidalcea calycosa Checker mallow Annual herb 3
Sidalcea diploscypha Fringed checker mallow Annual herb  
Sidalcea hartwegii Hartweg's checkerbloom Annual herb  
Sidalcea hirsuta Hairy checkerbloom Annual herb  
Sidalcea keckii Keck's checkerbloom Annual herb  
Silene antirrhina Sleepy catch fly Annual herb  
Silene californica California indian pink Annual herb 2
Silene multinervia Fire following campion Annual herb  
Silene verecunda Dolores campion Annual herb  
Silene verecunda ssp. platyota San francisco campion Annual herb  
Solanum americanum White nightshade Annual, Perennial herb 2
Spergularia marina Salt sand spurry Annual herb 1
Spergularia salina Salt sandspurry Annual herb 1
Stebbinsoseris heterocarpa Grassland stebbinsoseris Annual herb  
Stellaria nitens Shining chickweed Annual herb  
Stephanomeria elata Santa barbara stephanomeria Annual herb  
Stephanomeria exigua Small wirelettuce Annual herb  
Stephanomeria virgata Twiggy wreath plant Annual herb 1
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria Annual herb  
Stephanomeria virgata ssp. virgata Tall milk aster Annual herb  
Streptanthus albidus ssp. peramoenus Most beautiful jewel flower Annual herb 1
Streptanthus barbiger Bearded jewelflower Annual herb  
Streptanthus breweri Brewer's jewelflower Annual herb  
Streptanthus breweri var. breweri Brewer's jewelflower Annual herb  
Streptanthus breweri var. hesperidis Brewer's jewelflower Annual herb  
Streptanthus glandulosus Bristly jewelflower Annual herb 2
Streptanthus glandulosus ssp. glandulosus Jewelflower Annual herb 1
Streptanthus hesperidis Green jewel-flower Annual herb  
Streptanthus tortuosus Jewelweed Annual, Perennial herb  
Streptanthus tortuosus var. tortuosus Mountain jewelflower Annual, Perennial herb  
Stylocline gnaphaloides Everlasting stylocline Annual herb  
Stylomecon heterophylla Wind poppy Annual herb 6
Symphyotrichum subspicatum Douglas aster Annual herb 9
Symphyotrichum subulatum Eastern annual saltmarsh aster Annual herb  
Tetrapteron graciliflorum Hill sun cup Annual herb  
Thysanocarpus curvipes Common fringe pod Annual herb 2
Thysanocarpus curvipes ssp. curvipes Fringe Pod Annual herb  
Thysanocarpus curvipes ssp. elegans Fringe Pod Annual herb  
Thysanocarpus laciniatus Narrow leaved lacepod Annual herb 1
Thysanocarpus radians Showy fringe pod Annual herb 1
Tonella tenella Small flowered tonella Annual herb  
Trichostema lanceolatum Vinegarweed Annual herb 2
Trichostema laxum Turpentine weed Annual herb  
Trichostema oblongum Mountain bluecurls Annual herb  
Trichostema rubisepalum Hernandez bluecurls Annual herb  
Trichostema ruygtii Napa bluecurls Annual herb  
Trifolium albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. dichotomum Clover Annual herb  
Trifolium albopurpureum var. olivaceum Owl's clover Annual herb  
Trifolium amoenum Showy indian clover Annual herb  
Trifolium barbigerum Bearded clover Annual herb  
Trifolium barbigerum var. barbigerum Bearded clover Annual herb  
Trifolium bifidum Notch leaf clover Annual herb 2
Trifolium bifidum var. bifidum Pinole clover Annual herb 2
Trifolium bifidum var. decipiens Notch leaf clover Annual herb 2
Trifolium ciliolatum Tree clover Annual herb 6
Trifolium columbinum Olive clover Annual herb  
Trifolium depauperatum Dwarf sack clover Annual herb  
Trifolium depauperatum var. amplectens Pale sack clover Annual herb  
Trifolium depauperatum var. depauperatum Dwarf bladder clover Annual herb  
Trifolium depauperatum var. hydrophilum Water sack clover Annual herb  
Trifolium depauperatum var. truncatum Dwarf sack clover Annual herb  
Trifolium dichotomum Branched indian clover Annual herb  
Trifolium fucatum Bull clover Annual herb 5
Trifolium gracilentum Pin point clover Annual herb 4
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 4
Trifolium hydrophilum Saline clover Annual herb  
Trifolium microcephalum Small head clover Annual herb 4
Trifolium microdon Valparaiso clover Annual herb  
Trifolium obtusiflorum Creek clover Annual herb 5
Trifolium oliganthum Few flowered clover Annual herb 1
Trifolium olivaceum Olive clover Annual herb  
Trifolium variegatum Variegated clover Annual herb 1
Trifolium variegatum var. geminiflorum Small-flowered variegated clover Annual herb 1
Trifolium variegatum var. major Large variegated clover Annual herb 1
Trifolium variegatum var. variegatum Variegated clover Annual herb  
Trifolium willdenovii Tomcat clover Annual herb 8
Triglochin scilloides Flowering-quillwort Annual herb (aquatic)  
Triodanis biflora Venus looking glass Annual herb  
Triphysaria eriantha Butter 'n' eggs Annual herb 1
Triphysaria eriantha ssp. eriantha Butter 'n' eggs Annual herb  
Triphysaria pusilla Little owl's clover Annual herb  
Triphysaria versicolor Yellow owl's clover Annual herb 1
Triphysaria versicolor ssp. faucibarbata Yellow owl's clover Annual herb  
Triphysaria versicolor ssp. versicolor Yellow owl's clover Annual herb  
Tropidocarpum gracile Slender tropidocarpum Annual herb  
Uropappus lindleyi Silver puffs Annual herb 1
Veronica peregrina Neckweed Annual herb  
Veronica peregrina ssp. xalapensis Speedwell Annual herb  
Vulpia microstachys Fescue Annual grass 6
Vulpia microstachys var. ciliata Eastwood fescue Annual grass  
Vulpia microstachys var. confusa Tracy's fescue Annual grass  
Vulpia microstachys var. microstachys Small fescue Annual grass  
Vulpia microstachys var. pauciflora Few flowered fescue Annual grass  
Vulpia octoflora Slender fescue Annual grass 5
Vulpia octoflora var. glauca Sixweeks fescue Annual grass  
Vulpia octoflora var. hirtella Six weeks fescue Annual grass 1
Vulpia octoflora var. octoflora Six weeks fescue Annual grass  
Xanthium strumarium Cocklebur Annual herb  
Yabea microcarpa Hedge parsley Annual herb  
Zeltnera davyi Davy's centaury Annual herb 1
Zeltnera muehlenbergii Muehlenberg's centaury Annual herb 2
Zeltnera trichantha Alkali centaury Annual herb  
Zeltnera venusta Charming centaury Annual herb  
  Lifeform: Biennial2 plants
Gnaphalium ramosissimum Pink everlasting Biennial herb 3
Pseudognaphalium ramosissimum Pink cudweed Biennial herb 3
  Lifeform: Perennial999 plants
Acaena pinnatifida Argentinian biddy biddy Perennial herb 5
Acaena pinnatifida var. californica California acaena Perennial herb 5
Achillea millefolium Yarrow Perennial herb 70
Achnatherum coronatum Giant needlegrass Perennial grass 7
Achnatherum lemmonii Lemmon's stipa Perennial grass 1
Acmispon glaber Deerweed Perennial herb 21
Acmispon glaber var. glaber Deerweed Perennial herb  
Acmispon grandiflorus Large leaved lotus Perennial herb 4
Acmispon grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Actaea rubra Baneberry Perennial herb 7
Adenocaulon bicolor Trail plant Perennial herb  
Agastache urticifolia Horse mint Perennial herb 6
Agoseris grandiflora Giant mountain dandelion Perennial herb 3
Agoseris grandiflora var. grandiflora Giant mountain dandelion Perennial herb  
Agoseris hirsuta Woolly goat chicory Perennial herb  
Agoseris retrorsa Spear leaved agoseris Perennial herb 1
Agrimonia gryposepala Common agrimony Perennial herb  
Agrostis densiflora California bent grass Perennial grass  
Agrostis exarata Bentgrass Perennial grass 5
Agrostis exarata var. monolepis Spike bentgrass Perennial grass 5
Agrostis hallii Hall's bent grass Perennial grass 2
Agrostis oregonensis Oregon bentgrass Perennial grass  
Agrostis pallens Diego bent grass Perennial grass 14
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allium acuminatum Taper tipped onion Perennial herb (bulb) 7
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium bolanderi Bolander's onion Perennial herb (bulb)  
Allium bolanderi var. bolanderi Bolander's onion Perennial herb (bulb)  
Allium cratericola Cascade onion Perennial herb (bulb) 2
Allium falcifolium Sickle leaf onion Perennial herb (bulb) 4
Allium fimbriatum Wild onion Perennial herb (bulb) 1
Allium fimbriatum var. fimbriatum Fringed onion Perennial herb (bulb)  
Allium fimbriatum var. purdyi Purdy's onion Perennial herb (bulb)  
Allium lacunosum Pitted onion Perennial herb (bulb)  
Allium lacunosum var. lacunosum Pitted onion Perennial herb (bulb)  
Allium peninsulare Mexicali onion Perennial herb (bulb)  
Allium peninsulare var. franciscanum San francisco bay onion Perennial herb (bulb)  
Allium serra Jeweled onion Perennial herb (bulb) 1
Allium unifolium One leaf onion Perennial herb (bulb) 15
Allotropa virgata Sugarstick Perennial herb (mycoparasitic)  
Alopecurus aequalis Sonoma alopecurus Perennial grass  
Ambrosia psilostachya Ragweed Perennial herb 7
Anaphalis margaritacea Pearly everlasting Perennial herb 18
Andropogon glomeratus Bushy bluestem Perennial grass 2
Andropogon glomeratus var. scabriglumis Beardgrass Perennial grass  
Anemone grayi Blue windflower Perennial herb  
Anemone oregana Western wood anenome Perennial herb  
Anemone oregana var. oregana Blue windflower Perennial herb  
Angelica californica California angelica Perennial herb  
Angelica lineariloba Poison angelica Perennial herb  
Angelica tomentosa Woolly angelica Perennial herb 1
Anisocarpus madioides Woodland madia Perennial herb 1
Antirrhinum virga Tall snapdragon Perennial herb  
Aphyllon californicum California orobanche Perennial herb (parasitic)  
Aphyllon californicum ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Aphyllon fasciculatum Clustered broomrape Perennial herb (parasitic)  
Aphyllon tuberosum Chaparral broomrape Perennial herb (parasitic)  
Aphyllon validum Rock creek broom rape Perennial herb (parasitic)  
Aphyllon validum ssp. howellii Howell's broomrape Perennial herb (parasitic)  
Apocynum androsaemifolium Spreading dogbane Perennial herb 1
Apocynum cannabinum Indian hemp Perennial herb 11
Aquilegia eximia Van Houtte's columbine Perennial herb 5
Aquilegia formosa Columbine Perennial herb 55
Arabis breweri Brewer's rock cress Perennial herb 1
Arabis breweri var. breweri Brewer's rock cress Perennial herb  
Arabis glabra Smooth rock cress Perennial herb  
Arabis glabra var. furcatipilis Smooth rock cress Perennial herb  
Arabis glabra var. glabra Smooth rock cress Perennial herb  
Arabis modesta Modest rock cress Perennial herb  
Arabis oregana Oregon rock cress Perennial herb  
Arabis sparsiflora Sicklepod rock cress Perennial herb 2
Arabis sparsiflora var. arcuata Elegant rockress Perennial herb  
Aralia californica California spikenard Perennial herb 18
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium californicum Sugar pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium campylopodum Pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium cyanocarpum Blue berry dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium divaricatum Western dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium littorum Seashore dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium monticola Mountain dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium occidentale Digger pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium siskiyouense Siskiyou dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. mertensianae Mountain hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arnica discoidea Rayless arnica Perennial herb  
Artemisia douglasiana California mugwort Perennial herb 34
Artemisia pycnocephala Beach sagewort Perennial herb 28
Asarum caudatum Creeping wild ginger Perennial herb 40
Asclepias cordifolia Purple milkweed Perennial herb 8
Asclepias eriocarpa Indian milkweed Perennial herb 9
Asclepias fascicularis narrow leaf milkweed Perennial herb 31
Asclepias solanoana Serpentine milkweed Perennial herb  
Asclepias speciosa Showy milkweed Perennial herb 39
Aster chilensis California aster Perennial herb 40
Aster lentus Suisun marsh aster Perennial herb (rhizomatous) 2
Aster occidentalis Western mountain aster Perennial herb 1
Aster radulinus Rough leaved aster Perennial herb 3
Astragalus clevelandii Cleveland's milk vetch Perennial herb  
Asyneuma prenanthoides California harebell Perennial herb 2
Baccharis douglasii Salt marsh baccharis Perennial herb 14
Baccharis glutinosa Salt Marsh baccharis Perennial herb 27
Balsamorhiza macrolepis Big scale balsam root Perennial herb 1
Balsamorhiza macrolepis var. macrolepis Big scale balsamroot Perennial herb  
Balsamorhiza sericea Silky balsamroot Perennial herb  
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
Boechera arcuata Arching rockcress Perennial herb  
Boechera breweri Brewer's rock cress Perennial herb 1
Boechera breweri ssp. breweri Brewer's rockcress Perennial herb  
Boechera sparsiflora Sicklepod rockcress Perennial herb 2
Bolboschoenus fluviatilis River bulrush Perennial grass 2
Bolboschoenus maritimus Alkali bulrush Perennial grass 16
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 16
Bolboschoenus robustus Sturdy bullrush Perennial grass 10
Boschniakia strobilacea Ground cone Perennial herb (parasitic)  
Boykinia occidentalis Western boykinia Perennial herb 6
Brasenia schreberi Watershield Perennial herb (aquatic)  
Brickellia californica California brickellia Perennial herb 15
Brodiaea appendiculata Hoover's brodiaea Perennial herb 1
Brodiaea californica California brodiaea Perennial herb 9
Brodiaea californica var. leptandra Sonoma brodiaea Perennial herb 1
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea elegans Harvest brodiaea Perennial herb 6
Brodiaea elegans ssp. elegans Harvest brodiaea Perennial herb 1
Brodiaea leptandra Narrow-flowered california brodiaea Perennial herb 1
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. terrestris Dwarf brodiaea Perennial herb  
Bromus anomalus Nodding brome Perennial grass 1
Bromus carinatus California bromegrass Perennial grass 19
Bromus carinatus var. carinatus California brome Perennial grass 19
Bromus carinatus var. marginatus Mountain brome Perennial grass 6
Bromus grandis Tall brome Perennial grass  
Bromus laevipes Narrow flowered brome Perennial grass 3
Bromus marginatus Mountain brome Perennial grass 6
Bromus porteri Nodding brome Perennial grass 1
Bromus pseudolaevipes Southern chinook brome Perennial grass  
Bromus sitchensis var. carinatus California brome Perennial grass 19
Bromus sitchensis var. marginatus Mountain brome Perennial grass 6
Calamagrostis koelerioides Fire reedgrass Perennial grass  
Calamagrostis ophitidis Serpentine reed grass Perennial grass 1
Calamagrostis rubescens Pinegrass Perennial grass 1
Callitriche heterophylla Water starwort Perennial herb  
Calochortus amabilis Golden fairy lantern Perennial herb 3
Calochortus argillosus Clay mariposa Perennial herb (bulb) 3
Calochortus elegans Elegant star tulip Perennial herb  
Calochortus luteus Yellow mariposa Perennial herb 5
Calochortus pulchellus Mt. Diablo fairy lantern Perennial herb (bulb) 1
Calochortus splendens Splendid mariposa Perennial herb 4
Calochortus superbus Yellow mariposa Perennial herb 5
Calochortus tolmiei Hairy star tulip Perennial herb 5
Calochortus umbellatus Oakland mariposa lily Perennial herb (bulb) 2
Calochortus uniflorus Large flowered star tulip Perennial herb 4
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Calochortus vestae Coast range mariposa lily Perennial herb 2
Calypso bulbosa Fairy slipper Perennial herb 1
Calypso bulbosa var. occidentalis Fairy slipper Perennial herb  
Calyptridium monospermum One seeded pussypaws Perennial herb  
Calystegia collina Hillside morning glory Perennial herb  
Calystegia collina ssp. collina Hillside morning glory Perennial herb  
Calystegia collina ssp. oxyphylla Mt. Saint Helena morning glory Perennial herb (rhizomatous)  
Calystegia occidentalis Bush morning glory Perennial herb 1
Calystegia occidentalis ssp. fulcrata Sonora morning glory Perennial herb  
Calystegia occidentalis ssp. occidentalis Modoc morning glory Perennial herb  
Calystegia purpurata Smooth western morning glory Perennial herb 4
Calystegia purpurata ssp. purpurata Smooth western morning glory Perennial herb 1
Calystegia sepium Western hedge bindweed Perennial herb 1
Calystegia sepium ssp. binghamiae Santa barbara morning glory Perennial herb (rhizomatous)  
Calystegia sepium ssp. limnophila Marsh morning glory Perennial herb  
Calystegia subacaulis Hill morning glory Perennial herb  
Calystegia subacaulis ssp. subacaulis Cambria morning glory Perennial herb  
Camassia leichtlinii Large camas Perennial herb 11
Camassia leichtlinii ssp. suksdorfii Suksdorf's large camas Perennial herb 3
Camassia quamash Camas Perennial herb 13
Camassia quamash ssp. breviflora Small camas Perennial herb 1
Camassia quamash ssp. quamash Common camas Perennial herb 3
Camissonia ovata Sun cup Perennial herb 2
Campanula prenanthoides Nodding harebell Perennial herb 2
Cardamine californica milkmaids Perennial herb  
Cardamine californica var. californica Milk maids Perennial herb  
Cardamine californica var. cardiophylla Milk maids Perennial herb  
Cardamine californica var. integrifolia California toothwort Perennial herb  
Cardamine californica var. sinuata Milk maids Perennial herb  
Carex amplifolia Ample leaved sedge Perennial grass 3
Carex aurea Golden fruited sedge Perennial grass  
Carex barbarae Valley sedge Perennial grass 24
Carex bolanderi Bolander's sedge Perennial grass  
Carex brainerdii Brainerd's sedge Perennial grass  
Carex brevicaulis Short stem sedge Perennial grass  
Carex cusickii Cusick's sedge Perennial grass 2
Carex densa Sedge Perennial grass 8
Carex deweyana Dewey sedge Perennial grass 5
Carex deweyana ssp. leptopoda Dewey's taper fruit sedge Perennial grass 3
Carex dudleyi Dudley's sedge Perennial grass 8
Carex feta Green sheathed sedge Perennial grass  
Carex globosa Round fruit sedge Perennial grass 5
Carex gracilior Slender sedge Perennial grass  
Carex harfordii Monterey sedge Perennial grass 3
Carex leporina Hare or oval sedge Perennial grass 1
Carex leptopoda Slender-footed sedge Perennial grass 5
Carex lyngbyei Lyngbye's sedge Perennial grass 4
Carex multicaulis Forest sedge Perennial grass  
Carex multicostata Many ribbed sedge Perennial grass  
Carex nudata Torrent sedge Perennial grass 13
Carex obnupta Slough sedge Perennial grass 18
Carex ovalis Egg sedge Perennial grass 1
Carex praegracilis Field sedge Perennial grass 28
Carex senta Rough sedge Perennial grass 3
Carex serratodens Bifid sedge Perennial grass 2
Carex stipata Awlfruit sedge Perennial grass 5
Carex stipata var. stipata Awl fruited sedge Perennial grass  
Carex subbracteata Small bract sedge Perennial grass 3
Carex subfusca Brown sedge Perennial grass 8
Carex tumulicola Split awn sedge Perennial grass 26
Castilleja affinis Indian paintbrush Perennial herb 1
Castilleja affinis ssp. affinis Coast indian paintbrush Perennial herb 1
Castilleja affinis ssp. neglecta Tiburon indian paintbrush Perennial herb (hemiparasitic)  
Castilleja affinis var. neglecta Tiburon paintbrush Perennial herb  
Castilleja applegatei Wavy leaf paintbrush Perennial herb 2
Castilleja applegatei ssp. martinii Martin's paintbrush Perennial herb 1
Castilleja applegatei ssp. pinetorum Pine wavy leaf paintbrush Perennial herb  
Castilleja foliolosa Texas paintbrush Perennial herb 3
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja subinclusa Franciscan paint brush Perennial herb 1
Castilleja subinclusa ssp. franciscana Franciscan paintbrush Perennial herb  
Cerastium arvense Meadow chickweed Perennial herb 1
Ceratophyllum demersum Hornwort Perennial herb 1
Chenopodium californicum California goosefoot Perennial herb 1
Chimaphila menziesii Little prince's pine Perennial herb  
Chimaphila umbellata Blake's prince's pine Perennial herb  
Chlorogalum angustifolium Narrow leaved soaproot Perennial herb 1
Chlorogalum pomeridianum Amole Perennial herb 18
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Cicuta douglasii Western water hemlock Perennial herb 1
Cicuta maculata Water hemlock Perennial herb 1
Cicuta maculata var. bolanderi Saltmarsh water hemlock Perennial herb  
Cirsium cymosum Peregrine thistle Perennial herb  
Cirsium cymosum var. cymosum Peregrine thistle Perennial herb  
Cirsium douglasii Swamp thistle Perennial herb 1
Cirsium douglasii var. breweri Brewer's swamp thistle Perennial herb  
Cirsium douglasii var. douglasii Douglas' swamp thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. californicum California thistle Perennial herb  
Cirsium occidentale var. occidentale Cobweb thistle Perennial herb 1
Cirsium occidentale var. venustum Venus thistle Perennial herb  
Cirsium remotifolium Few leaved thistle Perennial herb  
Cirsium remotifolium var. odontolepis Pacific fringed thistle Perennial herb  
Clematis lasiantha Pipestem Perennial herb, Vine 26
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Clinopodium douglasii Yerba buena Perennial herb 35
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza maculata var. maculata Summer coralroot Perennial herb  
Corallorhiza striata Striped coral root Perennial herb  
Cressa truxillensis Alkali weed Perennial herb 3
Cymopterus terebinthinus Turpentine cymopterus Perennial herb  
Cynoglossum grande Houndstongue Perennial herb 5
Cyperus eragrostis Tall cyperus Perennial grass 13
Cyperus niger Brown cyperus Perennial grass  
Cypripedium montanum Mountain lady's slipper Perennial herb (rhizomatous)  
Damasonium californicum California damsonium Perennial herb (aquatic)  
Danthonia californica California oatgrass Perennial grass 21
Danthonia californica var. californica California oatgrass Perennial grass 21
Datisca glomerata Durango root Perennial herb 2
Datura wrightii Jimsonweed Perennial herb 15
Delphinium californicum Coast larkspur Perennial herb 3
Delphinium californicum ssp. californicum California larkspur Perennial herb  
Delphinium decorum Larkspur Perennial herb  
Delphinium decorum ssp. tracyi Tracy's larkspur Perennial herb  
Delphinium hansenii Hansen's larkspur Perennial herb  
Delphinium hansenii ssp. hansenii Hansen's larkspur Perennial herb  
Delphinium hesperium Western larkspur Perennial herb 1
Delphinium hesperium ssp. hesperium Western larkspur Perennial herb  
Delphinium hesperium ssp. pallescens Western larkspur Perennial herb 1
Delphinium nudicaule Canyon larkspur Perennial herb 3
Delphinium patens Spreading larkspur Perennial herb  
Delphinium patens ssp. patens Spreading larkspur Perennial herb  
Delphinium uliginosum Swamp larkspur Perennial herb  
Delphinium variegatum Royal larkspur Perennial herb 1
Delphinium variegatum ssp. variegatum Royal larkspur Perennial herb  
Deschampsia cespitosa Tufted hair grass Perennial grass 48
Deschampsia cespitosa ssp. beringensis Tufted hair grass Perennial grass  
Deschampsia cespitosa ssp. cespitosa Tufted hairgrass Perennial grass 23
Deschampsia elongata Hairgrass Perennial grass 17
Dicentra chrysantha Golden eardrops Perennial herb 5
Dicentra formosa Pacific bleedinghearts Perennial herb 24
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 2
Dichelostemma capitatum ssp. pauciflorum Few flowered blue dicks Perennial herb  
Dichelostemma congestum Fork toothed ookow Perennial herb 7
Dichelostemma multiflorum Many flowered brodiaea Perennial herb 6
Dichelostemma volubile Twining brodiaea Perennial herb 9
Dipterostemon capitatus Blue dicks Perennial herb 15
Dipterostemon capitatus ssp. capitatus Perennial herb 2
Disporum hookeri Fairy bells Perennial herb 11
Disporum smithii Fairy lantern Perennial herb 6
Distichlis spicata Salt grass Perennial grass 25
Dodecatheon hendersonii Shooting star Perennial herb 11
Drymocallis glandulosa Sticky cinquefoil Perennial herb 11
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. wrangelliana Sticky cinquefoil Perennial herb  
Dudleya caespitosa Sand lettuce Perennial herb 10
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. cymosa Canyon dudleya Perennial herb 3
Dudleya cymosa ssp. pumila Low canyon dudleya Perennial herb 2
Dudleya setchellii Santa clara valley dudleya Perennial herb 3
Echinodorus berteroi Burhead Perennial herb (aquatic)  
Ehrendorferia chrysantha Golden eardrops Perennial herb 5
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush Perennial grass  
Eleocharis acicularis var. bella Beautiful spikerush Perennial grass  
Eleocharis acicularis var. gracilescens Needle spike rush Perennial grass  
Eleocharis bella Beautiful spikerush Perennial grass  
Eleocharis coloradoensis Dwarf spikerush Perennial grass 2
Eleocharis macrostachya Spike rush Perennial grass 19
Eleocharis palustris Common spikerush Perennial grass 8
Eleocharis parishii Parish's spike rush Perennial grass  
Eleocharis parvula Small spikerush Perennial grass 2
Eleocharis radicans Creeping spikerush Perennial grass  
Eleocharis rostellata Walking sedge Perennial grass 1
Eleocharis suksdorfiana Suksdorf's spikerush Perennial grass  
Elodea canadensis Common water weed Perennial herb  
Elymus Xhansenii Perennial grass  
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus elymoides ssp. elymoides Squirreltail Perennial grass  
Elymus elymoides var. elymoides Squirrel tail grass Perennial grass  
Elymus glaucus Blue wildrye Perennial grass 32
Elymus glaucus ssp. glaucus Blue wild rye Perennial grass 1
Elymus glaucus ssp. jepsonii Western rye grass Perennial grass 1
Elymus glaucus ssp. virescens Virginia wildrye Perennial grass  
Elymus multisetus Big squirreltail grass Perennial grass 12
Elymus spicatus Blue bunch wheat grass Perennial grass 7
Elymus trachycaulus Slender wheatgrass Perennial grass 8
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass Perennial grass 7
Elymus triticoides Beardless wild rye Perennial grass 29
Epilobium canum California fuchsia Perennial herb 49
Epilobium canum ssp. canum California fuchsia Perennial herb 11
Epilobium canum ssp. latifolium California fushia Perennial herb 5
Epilobium ciliatum Slender willow herb Perennial herb 2
Epilobium ciliatum ssp. ciliatum Willow herb Perennial herb 2
Epilobium ciliatum ssp. glandulosum Glandular willowherb Perennial herb 1
Epilobium ciliatum ssp. watsonii Willow herb Perennial herb  
Epilobium glaberrimum ssp. fastigiatum Smooth willowherb Perennial herb  
Epipactis gigantea Stream orchid Perennial herb 16
Erigeron angustatus Narrow leaved daisy Perennial herb  
Erigeron biolettii Streamside daisy Perennial herb  
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. franciscensis San francisco leafy fleabane Perennial herb  
Erigeron foliosus var. hartwegii Hartweg's fleabane Perennial herb  
Erigeron greenei Greene's narrow-leaved daisy Perennial herb  
Erigeron inornatus Rayless fleabane Perennial herb  
Erigeron petrophilus Cliff fleabane Perennial herb  
Erigeron petrophilus var. petrophilus Cliff fleabane Perennial herb  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Erigeron reductus Fleabane Perennial herb  
Erigeron reductus var. angustatus Pine erigeron Perennial herb  
Eriogonum compositum Arrowleaf buckwheat Perennial herb 3
Eriogonum compositum var. compositum Arrow leaf buckwheat Perennial herb  
Eriogonum latifolium Coast buckwheat Perennial herb 21
Eriogonum nervulosum Snow mtn. buckwheat Perennial herb (rhizomatous)  
Eriogonum oblongifolium Coast buckwheat Perennial herb 21
Eriogonum umbellatum Sulphur buckwheat Perennial herb 26
Eriogonum umbellatum var. bahiiforme Sulphur buckwheat Perennial herb  
Eriogonum umbellatum var. furcosum Desert sulfur buckwheat Perennial herb  
Eriogonum umbellatum var. smallianum Sulphur buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 6
Eriogonum wrightii var. trachygonum Wright s buckwheat Perennial herb, Shrub  
Eriophyllum lanatum Wooly sunflower Perennial herb 27
Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. arachnoideum Wooly sunflower Perennial herb 4
Eriophyllum lanatum var. grandiflorum Large flowered woolly sunflower Perennial herb 1
Eriophyllum latilobum San mateo woolly sunflower Perennial herb  
Eryngium aristulatum Jepson's button celery Perennial herb 2
Eryngium aristulatum var. aristulatum Jepson's button celery Perennial herb  
Eryngium castrense Great valley button celery Perennial herb  
Eryngium jepsonii Perennial herb  
Eryngium vaseyi Coyote thistle Perennial herb  
Erysimum capitatum Wallflower Perennial herb 10
Erysimum capitatum var. angustatum Contra costa wallflower Perennial herb 1
Erysimum capitatum var. bealianum Western wallflower Perennial herb 1
Erysimum capitatum var. capitatum Sanddune wallflower Perennial herb 1
Erysimum capitatum var. lompocense San luis obispo wallflower Perennial herb 1
Erythranthe cardinalis Cardinal monkey flower Perennial herb 41
Erythranthe moschata Musk monkeyflower Perennial herb 1
Erythranthe nasuta Perennial herb  
Erythranthe ptilota Muskflower Perennial herb  
Erythronium californicum California fawn lily Perennial herb (bulb) 1
Erythronium helenae St. Helena fawn lily Perennial herb (bulb) 1
Eurybia radulina Roughleaf aster Perennial herb 3
Euthamia occidentalis Western goldenrod Perennial herb 15
Festuca californica California fescue Perennial grass 47
Festuca californica ssp. californica Perennial grass 6
Festuca elmeri Coast fescue Perennial grass  
Festuca idahoensis Blue fescue Perennial grass 53
Festuca occidentalis Western fescue Perennial grass 8
Festuca roemeri var. klamathensis Idaho fescue Perennial grass 48
Festuca rubra Red fescue Perennial grass 39
Festuca viridula Mountain bunch fescue Perennial grass  
Fragaria crinita Beach strawberry Perennial herb 34
Fragaria vesca Wild strawberry Perennial herb 35
Frankenia salina Yerba reuma, alkali heath Perennial herb 11
Frasera albicaulis Whitestem frasera Perennial herb  
Frasera albicaulis var. nitida Whitestem frasera Perennial herb  
Fritillaria affinis Checker lily Perennial herb (bulb) 7
Fritillaria affinis var. affinis Checker lily Perennial herb (bulb) 4
Fritillaria lanceolata var. tristulis Marin checker lily Perennial herb 4
Fritillaria pluriflora Adobe lily Perennial herb (bulb) 1
Fritillaria purdyi Purdy's fritillary Perennial herb (bulb) 1
Fritillaria recurva Scarlet fritillary Perennial herb 1
Galium andrewsii Phlox leaved bedstraw Perennial herb  
Galium andrewsii ssp. andrewsii Phlox leaved bedstraw Perennial herb  
Galium bolanderi Bolander's bedstraw Perennial herb  
Galium californicum California bedstraw Perennial herb  
Galium californicum ssp. californicum California bedstraw Perennial herb  
Galium nuttallii Climbing bedstraw Perennial herb  
Gamochaeta ustulata Featherweed Perennial herb 1
Glaux maritima Sea milk wort Perennial herb  
Glyceria davyi Davy mannagrass Perennial grass  
Glyceria leptostachya Manna grass Perennial grass (aquatic)  
Glyceria occidentalis Waxy mannagrass Perennial grass (aquatic) 2
Glyceria striata Fowl mannagrass Perennial grass 8
Glycyrrhiza lepidota Lichorice Perennial herb 2
Gnaphalium canescens Everlasting cudweed Perennial herb 3
Gnaphalium canescens ssp. beneolens Cudweed Perennial herb 1
Gnaphalium canescens ssp. microcephalum White everlasting Perennial herb 1
Gnaphalium canescens ssp. thermale Small headed cudweed Perennial herb  
Grindelia camporum Gumweed Perennial herb 13
Grindelia camporum var. camporum Great valley gumweed Perennial herb 1
Grindelia hirsutula Gumweed Perennial herb 11
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 12
Grindelia hirsutula var. hirsutula Hairy gumweed Perennial herb  
Grindelia stricta Gumweed Perennial herb 28
Grindelia stricta var. angustifolia Marsh gumplant Perennial herb 7
Gutierrezia californica Matchweed, snakeweed Perennial herb, Shrub 5
Helenium bigelovii Bigelow's sneezeweed Perennial herb 8
Helenium bolanderi Bolander's sneezeweed Perennial herb  
Helenium puberulum Sneezeweed Perennial herb 10
Helianthella californica California helianthella Perennial herb 5
Helianthella californica var. californica California helianthella Perennial herb  
Helianthella californica var. nevadensis California helianthella Perennial herb 1
Helianthus californicus California sunflower Perennial herb 4
Helianthus cusickii Cusick's sunflower Perennial herb  
Helianthus gracilentus Slender sunflower Perennial herb 5
Heliotropium curassavicum Chinese parsley Perennial herb 8
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 2
Heracleum lanatum Cow parsnip Perennial herb 20
Heracleum maximum Common cow parsnip Perennial herb 20
Hesperostipa comata Needle & thread grass Perennial grass 10
Heterotheca oregona Oregon golden aster Perennial herb  
Heterotheca oregona var. compacta Compact oregon goldenaster Perennial herb  
Heterotheca oregona var. rudis Red oregon goldenaster Perennial herb  
Heterotheca sessiliflora ssp. bolanderi Golden aster Perennial herb 7
Heterotheca sessiliflora ssp. echioides Bristly goldenaster Perennial herb  
Heuchera micrantha Alum root Perennial herb 34
Heuchera micrantha var. diversifolia Crevice alumroot Perennial herb 32
Hieracium albiflorum White flowered hawkweed Perennial herb 1
Hieracium argutum Hawkweed Perennial herb  
Hippuris vulgaris Mare's tail Perennial herb (aquatic) 1
Hoita macrostachya California hemp Perennial herb 6
Hoita orbicularis Creeping leather root Perennial herb 3
Holozonia filipes Holozonia Perennial herb  
Hordeum brachyantherum Meadow barley Perennial grass 24
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Hordeum brachyantherum ssp. californicum Meadow barley Perennial grass 7
Hordeum jubatum Fox tail barley Perennial grass 7
Horkelia californica California horkelia Perennial herb 9
Horkelia californica ssp. dissita California horkelia Perennial herb  
Horkelia californica var. elata California horkelia Perennial herb  
Hosackia crassifolia Broad leaved lotus Perennial herb 6
Hosackia crassifolia var. crassifolia Broad leaved lotus Perennial herb 2
Hosackia gracilis Harlequin lotus Perennial herb 9
Hosackia oblongifolia Narrow leaved lotus Perennial herb 2
Hosackia oblongifolia var. oblongifolia Narrow leaved lotus Perennial herb 1
Hosackia pinnata Pinnate lotus Perennial herb  
Hosackia stipularis Stipulate lotus Perennial herb  
Hosackia stipularis var. stipularis Stipulate lotus Perennial herb  
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hypericum concinnum Gold wire Perennial herb  
Hypericum formosum St john's wort Perennial herb  
Hypericum formosum var. scouleri Scouler's st. john's wort Perennial herb 2
Hypericum scouleri Scouler's st john's wort Perennial herb 2
Iliamna bakeri Baker's globe mallow Perennial herb 1
Iris douglasiana Douglas iris Perennial herb 51
Iris fernaldii Fernald's iris Perennial herb 3
Iris longipetala Coast iris Perennial herb 25
Iris macrosiphon Ground iris Perennial herb 8
Iva axillaris Povertyweed Perennial herb  
Jaumea carnosa Marsh jaumea Perennial herb 7
Juncus acuminatus Sharp fruited rush Perennial grass 3
Juncus acutus ssp. leopoldii Wire grass Perennial grass (rhizomatous) 2
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 2
Juncus bolanderi Bolander's rush Perennial grass 4
Juncus covillei Coville's rush Perennial grass  
Juncus dubius Mariposa rush Perennial grass 1
Juncus effusus Common bog rush Perennial grass 44
Juncus effusus ssp. pacificus Pacific rush Perennial grass 6
Juncus effusus var. pacificus Pacific bog rush Perennial grass 6
Juncus ensifolius Sword leaved rush Perennial grass 7
Juncus mexicanus Mexican rush Perennial grass 10
Juncus occidentalis Slender juncus Perennial grass 4
Juncus orthophyllus Straight leaved rush Perennial grass 1
Juncus oxymeris Pointed rush Perennial grass 1
Juncus patens Rush Perennial grass 47
Juncus phaeocephalus Brown headed rush Perennial grass 10
Juncus phaeocephalus var. paniculatus Rush Perennial grass  
Juncus phaeocephalus var. phaeocephalus Brown headed rush Perennial grass  
Juncus tenuis Slender rush Perennial grass 9
Juncus xiphioides Iris leaved rush Perennial grass 16
Koeleria macrantha June grass Perennial grass 29
Kopsiopsis strobilacea California ground-cone Perennial herb (parasitic)  
Lathyrus jepsonii Tule pea Perennial herb 1
Lathyrus jepsonii var. californicus California tule pea Perennial herb 1
Lathyrus jepsonii var. jepsonii Delta tule pea Perennial herb  
Lathyrus nevadensis Sierra pea Perennial herb  
Lathyrus nevadensis ssp. lanceolatus Sierra pea Perennial herb  
Lathyrus nevadensis ssp. nevadensis Sierra pea Perennial herb  
Lathyrus nevadensis var. nevadensis Sierra nevada pea Perennial herb  
Lathyrus sulphureus Sulpher pea Perennial herb  
Lathyrus torreyi Redwood pea Perennial herb  
Lathyrus vestitus Common pacific pea Perennial herb 7
Lathyrus vestitus var. ochropetalus Bolander's pacific pea Perennial herb  
Lathyrus vestitus var. vestitus Hillside pea Perennial herb 2
Leersia oryzoides Rice cutgrass Perennial grass 2
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna valdiviana Duckweed Perennial herb  
Lewisia rediviva Bitter root Perennial herb 4
Lewisia rediviva var. rediviva Bitter root Perennial herb  
Leymus triticoides Alkali rye Perennial grass 30
Ligusticum apiifolium Celery leaved lovage Perennial herb 2
Lilaeopsis masonii Mason's lilaeopsis Perennial herb  
Lilium bolanderi Bolander's lily Perennial herb (bulb) 2
Lilium pardalinum California tiger lily Perennial herb 23
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 3
Lilium pardalinum ssp. vollmeri Vollmer's lily Perennial herb (bulb) 2
Lilium pardalinum ssp. wigginsii Wiggins' lily Perennial herb (bulb) 2
Lilium rubescens Chaparral lily Perennial herb (bulb) 2
Limonium californicum Marsh rosemary Perennial herb 11
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma bolanderi Hillstar Perennial herb  
Lithophragma campanulatum Siskiyou mountain woodland star Perennial herb  
Lithophragma heterophyllum Woodland star Perennial herb 1
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma parviflorum var. parviflorum Pink woodland star Perennial herb  
Lomatium californicum Celery weed Perennial herb 4
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium caruifolium var. caruifolium Caraway leaved lomatium Perennial herb  
Lomatium caruifolium var. denticulatum Caraway leaved lomatium Perennial herb  
Lomatium ciliolatum Yolla bolly lomatium Perennial herb  
Lomatium dasycarpum Lace parsnip Perennial herb 4
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium Perennial herb  
Lomatium dasycarpum ssp. tomentosum Woolly fruited lomatium Perennial herb  
Lomatium dissectum Fern leaved lomatium Perennial herb 3
Lomatium dissectum var. dissectum Fern leaved lomatium Perennial herb 1
Lomatium hooveri Hoover's lomatium Perennial herb  
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium marginatum Hartweg's lomatium Perennial herb  
Lomatium marginatum var. marginatum Hartweg's lomatium Perennial herb  
Lomatium marginatum var. purpureum Jepson's lomatium Perennial herb  
Lomatium nudicaule Pestle lomatium Perennial herb 3
Lomatium repostum Napa lomatium Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 2
Lomatium vaginatum Sheathed lomatium Perennial herb  
Lotus crassifolius Broad leaved lotus Perennial herb 7
Lotus crassifolius var. crassifolius Broad leaved lotus Perennial herb 2
Lotus formosissimus Coast lotus Perennial herb 9
Lotus grandiflorus Large leaved lotus Perennial herb 3
Lotus grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Lotus oblongifolius Narrow leaved lotus Perennial herb  
Lotus oblongifolius var. oblongifolius Narrow leaved lotus Perennial herb 1
Lotus pinnatus Pinnate lotus Perennial herb  
Lotus scoparius Deerweed Perennial herb 21
Lotus scoparius var. scoparius Deerweed Perennial herb  
Lotus stipularis Stipulate lotus Perennial herb  
Lotus stipularis var. stipularis Stipulate lotus Perennial herb  
Ludwigia palustris Marsh purslane Perennial herb (aquatic)  
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Lupinus albicaulis White stemmed lupine Perennial herb 8
Lupinus formosus Western lupine Perennial herb 6
Lupinus formosus var. formosus Western lupine Perennial herb  
Lupinus formosus var. robustus Giant western lupine Perennial herb  
Lupinus latifolius Broad leaf lupine Perennial herb 9
Lupinus latifolius var. columbianus Broad leaved lupine Perennial herb  
Lupinus latifolius var. latifolius Broad leaf lupine Perennial herb  
Lupinus polyphyllus Bog lupine Perennial herb 27
Lupinus rivularis Riverbank lupine Perennial herb 8
Lupinus sericatus Cobb Mountain lupine Perennial herb 5
Luzula comosa Hairy wood rush Perennial grass 4
Luzula comosa var. comosa Hairy wood rush Perennial grass  
Luzula subsessilis Pacific woodrush Perennial grass 3
Lysimachia latifolia Pacific starflower Perennial herb 2
Lysimachia maritima Sea milkwort Perennial herb  
Lythrum californicum Common loosestrife Perennial herb  
Madia madioides Forest madia Perennial herb 1
Maianthemum racemosum Feathery false lily of the valley Perennial herb 19
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley Perennial herb 3
Maianthemum stellatum Starry false lily of the valley Perennial herb 17
Malvella leprosa Alkali mallow Perennial herb 3
Marah fabacea California man-root Perennial herb, Vine 5
Marah fabaceus Manroot Perennial herb, Vine 6
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 4
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 4
Marah oregana Coast man-root Perennial herb, Vine 3
Marah oreganus Manroot Perennial herb, Vine 3
Marah watsonii Watson's wild cucumber Perennial herb, Vine  
Melica aristata Awned melic Perennial grass 1
Melica bulbosa Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 25
Melica californica var. nevadensis Few flowered california melic Perennial grass  
Melica geyeri Geyer's onion grass Perennial grass  
Melica geyeri var. aristulata Geyer's onion grass Perennial grass  
Melica harfordii Harford's melic Perennial grass 2
Melica imperfecta Coast range melic Perennial grass 21
Melica subulata Alaska melic Perennial grass 1
Melica torreyana Torrey's melica Perennial grass 11
Mentha arvensis American wild mint Perennial herb 6
Mentha canadensis Wild mint Perennial herb 6
Mentzelia laevicaulis Giant blazingstar Perennial herb 5
Micranthes californica Greene's saxifrage Perennial herb  
Microseris laciniata Cut leaved scorzonella Perennial herb  
Microseris laciniata ssp. laciniata Cut leaved scorzonella Perennial herb  
Microseris sylvatica Sylvan scorzonella Perennial herb 1
Mimulus cardinalis Cardinal monkey flower Perennial herb 41
Mimulus moschatus Musk monkeyflower Perennial herb 1
Mimulus moschatus var. sessilifolius Muskflower Perennial herb  
Monardella antonina San antonio hills monardella Perennial herb (rhizomatous) 5
Monardella antonina ssp. antonina San antonio hills monardella Perennial herb (rhizomatous) 4
Monardella antonina ssp. benitensis San Benito monardella Perennial herb (rhizomatous) 3
Monardella sheltonii Shelton's coyote mint Perennial herb 1
Monardella siskiyouensis Siskiyou coyote mint Perennial herb 3
Monardella villosa Coyote mint Perennial herb 28
Monardella villosa ssp. franciscana San Francisco coyote mint Perennial herb 4
Monardella villosa ssp. globosa Robust monardella Perennial herb (rhizomatous) 3
Monardella villosa ssp. villosa Coyote mint Perennial herb 5
Monardella villosa var. subglabra Coyote mint Perennial herb 3
Monardella viridis Green monardella Perennial herb  
Monardella viridis ssp. viridis Green monardella Perennial herb (rhizomatous)  
Muhlenbergia andina Foxtail muhly Perennial grass  
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muilla maritima Common muilla Perennial herb 1
Myriophyllum hippuroides Western milfoil Perennial herb (aquatic)  
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Nassella cernua Nodding needlegrass Perennial grass 24
Nassella lepida Small flowered stipa Perennial grass 25
Nassella pulchra Purple needlegrass Perennial grass 42
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Noccaea fendleri ssp. glauca Pennycress Perennial herb 1
Odontostomum hartwegii Hartweg's odontostomum Perennial herb 4
Oenanthe sarmentosa Water parsley Perennial herb 9
Oenothera elata Evening primrose Perennial herb 16
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 18
Oenothera villosa ssp. strigosa Hairy evening primrose Perennial herb 20
Orobanche bulbosa Chaparral broomrape Perennial herb (parasitic)  
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Orobanche fasciculata Clustered broomrape Perennial herb (parasitic)  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Orobanche valida Rock creek broom rape Perennial herb (parasitic)  
Orobanche valida ssp. howellii Howell's broomrape Perennial herb (parasitic)  
Osmorhiza berteroi Sweet cicely Perennial herb 3
Osmorhiza chilensis Western sweet cicely Perennial herb 3
Oxalis albicans ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis corniculata ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis oregana Redwood sorrel Perennial herb 34
Packera breweri Brewer's ragwort Perennial herb  
Packera clevelandii Cleveland's ragwort Perennial herb  
Packera eurycephala Widehead groundsel Perennial herb  
Packera eurycephala var. eurycephala Widehead groundsel Perennial herb  
Packera greenei Flame ragwort Perennial herb  
Panicum acuminatum var. fasciculatum Pacific panic grass Perennial grass  
Paspalum distichum Knot grass Perennial grass 2
Pedicularis densiflora Indian warrior Perennial herb 1
Penstemon centranthifolius Scarlet bugler Perennial herb 17
Penstemon heterophyllus Foothill penstemon Perennial herb 40
Penstemon heterophyllus var. heterophyllus Foothill penstemon Perennial herb 1
Penstemon heterophyllus var. purdyi Purdy's foothill penstemon Perennial herb 1
Penstemon newberryi Mountain pride Perennial herb 15
Penstemon newberryi var. sonomensis Sonoma beardtongue Perennial herb 4
Perideridia gairdneri Gairdner's yampah Perennial herb 2
Perideridia gairdneri ssp. gairdneri Gairdner's yampah Perennial herb  
Perideridia kelloggii Yampah Perennial herb 5
Perideridia oregana Oregon yampah Perennial herb 1
Persicaria amphibia Water smartweed Perennial herb (aquatic) 2
Persicaria hydropiperoides Water pepper Perennial herb  
Persicaria punctata Dotted smartweed Perennial herb 4
Petasites frigidus Arctic sweet coltsfoot Perennial herb 3
Petasites frigidus var. palmatus Western coltsfoot Perennial herb 10
Phacelia californica Rock phacelia Perennial herb 16
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia corymbosa Serpentine phacelia Perennial herb  
Phacelia egena Rock phacelia Perennial herb 3
Phacelia heterophylla Varileaf phacelia Perennial herb 1
Phacelia heterophylla ssp. virgata Varied leaf phacelia Perennial herb  
Phacelia heterophylla var. virgata Varied leaf phacelia Perennial herb  
Phacelia imbricata Imbricate phacelia Perennial herb 3
Phacelia imbricata ssp. imbricata Imbricate phacelia Perennial herb  
Phacelia nemoralis Woods phacelia Perennial herb  
Phacelia nemoralis ssp. nemoralis Woods phacelia Perennial herb  
Phacelia nemoralis var. nemoralis Woods phacelia Perennial herb  
Phacelia ramosissima Branching phacelia Perennial herb 3
Phalaris californica Canarygrass Perennial grass 2
Phoradendron densum Dense mistletoe Perennial herb  
Phoradendron pauciflorum Fir mistletoe Perennial herb  
Phragmites australis Common reed Perennial grass 1
Phyla nodiflora Common lippia Perennial herb 13
Phyla nodiflora var. nodiflora Common lippia Perennial herb 12
Phyla nodiflora var. rosea Garden lippia Perennial herb 12
Piperia elegans Rein orchid Perennial herb  
Piperia elongata Dense flowered rein orchid Perennial herb  
Piperia leptopetala Rein orchid Perennial herb  
Piperia transversa Mountain piperia Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Pityopus californicus Perennial herb (mycoparasitic)  
Plantago subnuda Coastal plantain Perennial herb 7
Pleuropogon californicus Semaphore grass Perennial grass (rhizomatous)  
Pleuropogon californicus var. californicus Annual semaphoregrass Perennial grass (rhizomatous)  
Poa ampla Western blue grass Perennial grass 15
Poa juncifolia Western blue grass Perennial grass 14
Poa kelloggii Redwood blue grass Perennial grass  
Poa napensis Napa blue grass Perennial grass 2
Poa nevadensis Sierra blue grass Perennial grass 14
Poa pratensis ssp. agassizensis Agassiz kentucky blue grass Perennial grass  
Poa secunda Pine bluegrass Perennial grass 17
Poa secunda ssp. juncifolia Rush blue grass Perennial grass 14
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 18
Poa tenerrima Delicate blue grass Perennial grass  
Polygala californica Milkwort Perennial herb  
Polygala cornuta Sierra milkwort Perennial herb  
Polygonum amphibium Water smartweed Perennial herb 2
Polygonum amphibium var. emersum Water smartweed Perennial herb (aquatic) 1
Polygonum amphibium var. stipulaceum Water smartweed Perennial herb 1
Polygonum bolanderi Bolander's polygonum Perennial herb  
Polygonum hydropiperoides Water pepper Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Potamogeton diversifolius Rafinesque's pondweed Perennial herb (aquatic)  
Potamogeton natans Floating leaved pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potentilla anserina Silver weed cinquefoil Perennial herb 16
Potentilla anserina ssp. pacifica Silverweed Perennial herb 4
Potentilla glandulosa Gland cinquefoil Perennial herb 12
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Primula hendersonii Mosquito bill Perennial herb 11
Prosartes hookeri Drops of gold Perennial herb 11
Prosartes hookeri var. hookeri Drops of gold Perennial herb 6
Prosartes smithii Largeflower fairybells Perennial herb 6
Prunella vulgaris Self heal Perennial herb 19
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 8
Pseudognaphalium beneolens Cudweed Perennial herb 1
Pseudognaphalium biolettii Two-color rabbit-tobacco Perennial herb 4
Pseudognaphalium canescens Wright's cudweed Perennial herb 2
Pseudognaphalium canescens ssp. beneolens Wright's cudweed Perennial herb 1
Pseudognaphalium canescens ssp. canescens Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. microcephalum Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. thermale Wright's cudweed Perennial herb  
Pseudognaphalium microcephalum Wright's cudweed Perennial herb 3
Pseudognaphalium stramineum Cottonbatting plant Perennial herb 4
Pseudognaphalium thermale Small headed cudweed Perennial herb  
Pseudoroegneria spicata Bluebunch wheatgrass Perennial grass 4
Puccinellia californica Sierra nevada alkali grass Perennial grass (rhizomatous)  
Pyrola aphylla Leafless wintergreen Perennial herb  
Pyrola picta White veined shinleaf Perennial herb  
Pyrrocoma racemosa Racemose pyrrocoma Perennial herb  
Pyrrocoma racemosa var. racemosa Racemose pyrrocoma Perennial herb  
Ranunculus aquatilis white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. aquatilis White water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. capillaceus Threadleaf crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. diffusus white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. hispidulus White water crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. subrigidus Longbeak buttercup Perennial herb (aquatic)  
Ranunculus californicus Common buttercup Perennial herb 11
Ranunculus californicus var. californicus Common buttercup Perennial herb 2
Ranunculus canus Hartweg's buttercup Perennial herb  
Ranunculus canus var. canus Hartweg's buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus occidentalis Western buttercup Perennial herb 6
Ranunculus occidentalis var. occidentalis Western buttercup Perennial herb  
Ranunculus orthorhynchus Bloomer's buttercup Perennial herb  
Ranunculus orthorhynchus var. bloomeri Bloomer's buttercup Perennial herb  
Ranunculus orthorhynchus var. orthorhynchus Straight beaked buttercup Perennial herb  
Rhynchospora californica California beaked rush Perennial grass (rhizomatous)  
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rumex californicus California dock Perennial herb  
Rumex occidentalis Western dock Perennial herb 1
Rumex salicifolius Willow leaved dock Perennial herb 6
Rumex salicifolius var. denticulatus Smooth valved willow dock Perennial herb  
Rumex salicifolius var. salicifolius Willow dock Perennial herb 6
Rumex salicifolius var. transitorius Willow dock Perennial herb  
Rumex transitorius Willow dock Perennial herb  
Rumex utahensis Toothed willow dock Perennial herb  
Rupertia physodes Common rupertia Perennial herb 1
Ruppia maritima Ditch grass Perennial herb (aquatic)  
Sagina procumbens Arctic pearlwort Perennial herb  
Sagittaria latifolia Broad leaf arrowhead Perennial herb (aquatic) 11
Sagittaria sanfordii Sanford's arrowhead Perennial herb (rhizomatous)  
Salicornia pacifica Pickleweed Perennial herb 8
Salvia sonomensis Sonoma sage Perennial herb 19
Samolus parviflorus Water pimpernel Perennial herb  
Sanicula bipinnata Poison sanicle Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 3
Sanicula graveolens Sierra sanicle Perennial herb  
Sanicula laciniata Coast sanicle Perennial herb  
Sanicula tuberosa Turkey pea Perennial herb  
Satureja douglasii Yerba buena Perennial herb 35
Saxifraga californica Greene's saxifrage Perennial herb  
Saxifraga fallax California saxifrage Perennial herb  
Schoenoplectus acutus Hardstem bulrush Perennial grass 25
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus californicus California bulrush Perennial grass 14
Schoenoplectus fluviatilis River bulrush Perennial grass 1
Schoenoplectus pungens Common threesquare Perennial grass 2
Schoenoplectus pungens var. badius Common threesquare Perennial grass  
Schoenoplectus pungens var. longispicatus Common threesquare Perennial grass 2
Scirpus acutus var. occidentalis Hard stemmed tule Perennial grass 1
Scirpus americanus American tule Perennial grass 17
Scirpus californicus California tule Perennial grass 14
Scirpus fluviatilis River bulrush Perennial grass 2
Scirpus maritimus Prairie bulrush Perennial grass 15
Scirpus microcarpus Small fruited bulrush Perennial grass 20
Scirpus pungens Three square Perennial grass 2
Scirpus robustus Big bulrush Perennial grass 10
Scrophularia californica California bee plant Perennial herb 30
Scrophularia californica ssp. californica California bee plant Perennial herb 29
Scrophularia californica ssp. floribunda Common california figwort Perennial herb 29
Scutellaria antirrhinoides Snapdragon skullcap Perennial herb 2
Scutellaria californica California skullcap Perennial herb 4
Scutellaria siphocampyloides Gray leaved skullcap Perennial herb 5
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Sedum spathulifolium Pacific stonecrop Perennial herb 28
Senecio aronicoides Butterweed Perennial herb  
Senecio breweri Brewer's groundsel Perennial herb  
Senecio clevelandii Cleveland's ragwort Perennial herb  
Senecio clevelandii var. clevelandii Cleveland's ragwort Perennial herb  
Senecio clevelandii var. heterophyllus Red hills ragwort Perennial herb  
Senecio eurycephalus Cut leaved butterweed Perennial herb  
Senecio eurycephalus var. eurycephalus Broadhead ragwort Perennial herb  
Senecio greenei Serpentine ragwort Perennial herb  
Senecio hydrophilus Alkali marsh ragwort Perennial herb  
Senecio integerrimus Mountain butterweed Perennial herb  
Senecio integerrimus var. exaltatus Columbia mountain butterweed Perennial herb  
Sesuvium verrucosum Western sea purslane Perennial herb  
Sidalcea hickmanii Hickman's checkerbloom Perennial herb 3
Sidalcea hickmanii ssp. napensis Napa checkerbloom Perennial herb  
Sidalcea hickmanii ssp. viridis Marin checkerbloom Perennial herb  
Sidalcea malviflora Wild hollyhock Perennial herb 21
Sidalcea malviflora ssp. laciniata Laciniate checker mallow Perennial herb (rhizomatous)  
Sidalcea oregana Oregon checker mallow Perennial herb 4
Sidalcea oregana ssp. hydrophila Marsh checkerbloom Perennial herb  
Silene laciniata Cardinal catchfly Perennial herb 6
Silene laciniata ssp. californica California indian pink Perennial herb 2
Silene lemmonii Lemmon's catchfly Perennial herb  
Sisyrinchium bellum Blue eyed grass Perennial herb 62
Sisyrinchium californicum California golden eyed grass Perennial herb 41
Sium suave Hemlock water parsnip Perennial herb 1
Smilacina racemosa Western false solomon's seal Perennial herb 19
Smilacina stellata Star flowered false solomon's seal Perennial herb 17
Smilax californica Greenbriar Perennial herb, Vine  
Smilax jamesii English peak greenbriar Perennial herb (rhizomatous)  
Solanum xanti Nightshade Perennial herb, Shrub 13
Solidago californica Oreja de liebre Perennial herb 27
Solidago canadensis Canada goldenrod Perennial herb 16
Solidago canadensis ssp. elongata Canada goldenrod Perennial herb 4
Solidago canadensis var. salebrosa Rough canada goldenrod Perennial herb 1
Solidago elongata West coast canada goldenrod Perennial herb 4
Solidago lepida var. salebrosa Western goldenrod Perennial herb (rhizomatous) 1
Solidago sparsiflora Great basin goldenrod Perennial herb 4
Solidago spathulata Dune goldenrod Perennial herb 6
Solidago velutina Threenerve goldenrod Perennial herb 8
Solidago velutina ssp. californica Oreja de liebre Perennial herb 27
Sparganium erectum Simplestem bur reed Perennial herb  
Sparganium erectum ssp. stoloniferum Bur reed Perennial herb 2
Sparganium eurycarpum Broadfruit bur reed Perennial herb 5
Sparganium eurycarpum var. greenei Bur reed Perennial herb 2
Spartina foliosa Pacific cordgrass Perennial grass  
Spergularia macrotheca Sticky sand spurry Perennial herb 1
Spergularia macrotheca var. leucantha White sticky sand spurry Perennial herb  
Spergularia macrotheca var. longistyla Long styled sand spurrey Perennial herb  
Sphaeralcea ambigua Desert mallow Perennial herb 29
Spiranthes porrifolia Western ladies tresses Perennial herb  
Spiranthes romanzoffiana Ladies' tresses Perennial herb  
Sporobolus airoides Alkali sacaton Perennial grass 20
Stachys ajugoides Hedge nettle Perennial herb 7
Stachys ajugoides var. ajugoides Ajuga hedge nettle Perennial herb 7
Stachys ajugoides var. rigida Hedge nettle Perennial herb  
Stachys albens Cobwebby hedge nettle Perennial herb 9
Stachys bergii Berg's hedgenettle Perennial herb 1
Stachys bullata Southern hedge nettle Perennial herb 16
Stachys mexicana Mexican hedgenettle Perennial herb 1
Stachys rigida Rough hedgenettle Perennial herb 3
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb 1
Stachys rigida var. rigida Rough hedgenettle Perennial herb 1
Stachys stricta Sonoma hedge nettle Perennial herb  
Stipa cernua Nodding needle grass Perennial grass 23
Stipa comata Needle-and-thread Perennial grass 10
Stipa coronata Crested needle grass Perennial grass 7
Stipa lemmonii Lemmon's needle grass Perennial grass 2
Stipa lepida Foothill needle grass Perennial grass 24
Stipa pulchra Purple needle grass Perennial grass 42
Streptanthus brachiatus Socrates mine jewelflower Perennial herb  
Streptanthus morrisonii Morrison's jewelflower Perennial herb  
Streptanthus morrisonii ssp. elatus Three peaks jewel flower Perennial herb  
Streptanthus morrisonii ssp. hirtiflorus Dorr's cabin jewel flower Perennial herb  
Streptanthus morrisonii ssp. kruckebergii Kruckeberg's jewel flower Perennial herb  
Streptanthus morrisonii ssp. morrisonii Morrison's jewel flower Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Swertia albicaulis Whitestem gentian Perennial herb  
Swertia albicaulis var. nitida Shining swertia Perennial herb  
Symphyotrichum chilense Pacific aster Perennial herb 36
Symphyotrichum chilense var. chilense Pacific aster Perennial herb 14
Symphyotrichum chilense var. invenustum Pacific aster Perennial herb 12
Symphyotrichum lentum Suisun marsh aster Perennial herb (rhizomatous) 2
Symphyotrichum spathulatum Western mountain aster Perennial herb 1
Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster Perennial herb  
Taraxia ovata Sun cup Perennial herb 2
Thalictrum fendleri Fendler's meadow rue Perennial herb 11
Thalictrum fendleri var. polycarpum Torrey's meadow rue Perennial herb 13
Thalictrum polycarpum Fendler's meadow-rue Perennial herb 13
Thelypodium brachycarpum Short podded thelypodium Perennial herb  
Thermopsis californica California goldenbanner Perennial herb 1
Thermopsis californica var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Thermopsis californica var. californica California goldenbanner Perennial herb (rhizomatous)  
Thermopsis gracilis Slender goldenbanner Perennial herb (rhizomatous) 1
Thermopsis gracilis var. gracilis Slender false lupine Perennial herb (rhizomatous) 1
Thermopsis macrophylla Santa ynez false lupine Perennial herb 2
Thermopsis macrophylla var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. macrophylla Common false lupine Perennial herb (rhizomatous) 2
Thermopsis macrophylla var. venosa Klamath false lupine Perennial herb (rhizomatous) 1
Tiarella trifoliata Sugar scoop Perennial herb 8
Tiarella trifoliata var. unifoliata Foamflower Perennial herb 4
Torreyochloa pallida Pale false mannagrass Perennial grass (rhizomatous)  
Torreyochloa pallida var. pauciflora Mannagrass Perennial grass (rhizomatous)  
Toxicoscordion fontanum Marsh zigadenus Perennial herb  
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Toxicoscordion micranthum Small flowered star lily Perennial herb  
Toxicoscordion paniculatum Foothill deathcamas Perennial herb 2
Toxicoscordion venenosum Meadow deathcamas Perennial herb  
Toxicoscordion venenosum var. venenosum Meadow deathcamas Perennial herb  
Trientalis latifolia Western star flower Perennial herb 2
Trifolium wormskioldii Cow clover Perennial herb 8
Triglochin maritima Seaside arrow grass Perennial herb (aquatic) 5
Trillium albidum Giant white wakerobin Perennial herb 3
Trillium angustipetalum Narrow petaled wakerobin Perennial herb 3
Trillium chloropetalum Giant wakerobin Perennial herb 7
Trillium ovatum Western wakerobin Perennial herb 10
Trisetum canescens Nodding trisetum Perennial grass  
Trisetum cernuum var. projectum Nodding oatgrass Perennial grass  
Triteleia hyacinthina Wild hyacinth Perennial herb 9
Triteleia laxa Ithuriel's spear Perennial herb 12
Triteleia lugens Coast range triplet lily Perennial herb  
Triteleia peduncularis Marsh tritileia Perennial herb 4
Turritis glabra Tower rockcress Perennial herb  
Typha domingensis Cattail Perennial herb 5
Typha latifolia Broadleaf cattail Perennial herb (aquatic) 22
Urtica dioica Stinging nettle Perennial herb 11
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Vancouveria hexandra Northern vancouveria Perennial herb 21
Vancouveria planipetala Inside out flower Perennial herb 4
Verbena hastata Swamp verbena Perennial herb 8
Verbena lasiostachys Western vervain Perennial herb 16
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 17
Verbena lasiostachys var. scabrida Robust vervain Perennial herb 17
Veronica americana American brooklime Perennial herb 6
Veronica serpyllifolia Thymeleaf speedwell Perennial herb  
Vicia americana American vetch Perennial herb, Vine 4
Vicia americana ssp. americana American vetch Perennial herb, Vine  
Vicia americana var. americana Vetch Perennial herb, Vine  
Viola douglasii Douglas' violet Perennial herb 2
Viola glabella Stream violet Perennial herb 10
Viola lobata Moose horn violet Perennial herb  
Viola lobata ssp. integrifolia Delta leafed forest violet Perennial herb  
Viola lobata ssp. lobata Moose horn violet Perennial herb  
Viola ocellata Western heart's ease Perennial herb 1
Viola pedunculata California golden violet Perennial herb 1
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Wyethia angustifolia Narrow leaved mule ears Perennial herb 10
Wyethia glabra Smooth mule ears Perennial herb  
Wyethia helenioides Whitehead wyethia Perennial herb 2
Wyethia mollis Woolly mule's ears Perennial herb 7
Xerophyllum tenax Beargrass Perennial herb 10
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus micranthus Small flowered death camas Perennial herb  
Zigadenus micranthus var. fontanus Fountain death camas Perennial herb  
Zigadenus micranthus var. micranthus Little flowered death camas Perennial herb  
Zigadenus paniculatus Sand corn Perennial herb 2
Zigadenus venenosus Meadow deathcamas Perennial herb 2
Zigadenus venenosus var. venenosus Death camas Perennial herb  
  Lifeform: Fern49 plants
  Lifeform: Shrub263 plants
Adenostoma fasciculatum Chamise Tree, Shrub 15
Adenostoma fasciculatum var. fasciculatum Chamise Tree, Shrub 2
Amelanchier alnifolia Service berry Shrub 31
Amelanchier alnifolia var. semiintegrifolia Service berry Shrub  
Amelanchier pallida Pallid service berry Shrub 3
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Amorpha californica False indigo Shrub 3
Amorpha californica var. napensis Indigo bush Shrub  
Arctostaphylos canescens Hoary manzanita Shrub 1
Arctostaphylos canescens ssp. canescens Hoary manzanita Shrub  
Arctostaphylos canescens ssp. sonomensis Sonoma manzanita Shrub 1
Arctostaphylos columbiana Redwood manzanita Tree, Shrub 5
Arctostaphylos crustacea Brittle leaf manzanita Shrub 6
Arctostaphylos crustacea ssp. crustacea Brittle leaf manzanita Shrub 5
Arctostaphylos glandulosa Eastwood manzanita Shrub 6
Arctostaphylos glandulosa f. cushingiana Cushing's manzanita Shrub  
Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita Shrub  
Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita Shrub 3
Arctostaphylos glandulosa ssp. zacaensis Zaca lake manzanita Shrub 3
Arctostaphylos glauca Big berry manzanita Tree, Shrub 10
Arctostaphylos hookeri ssp. montana Mt. tamalpais manzanita Shrub  
Arctostaphylos manzanita Common manzanita Shrub 26
Arctostaphylos manzanita ssp. elegans Konocti manzanita Shrub  
Arctostaphylos manzanita ssp. glaucescens White leaf common manzanita Shrub  
Arctostaphylos manzanita ssp. laevigata Contra Costa manzanita Shrub 1
Arctostaphylos manzanita ssp. manzanita Common manzanita Shrub 1
Arctostaphylos montana Mt. tamalpais manzanita Shrub  
Arctostaphylos stanfordiana Stanford's manzanita Tree, Shrub 4
Arctostaphylos stanfordiana ssp. decumbens Rincon manzanita Shrub  
Arctostaphylos stanfordiana ssp. stanfordiana Stanford manzanita Tree, Shrub  
Arctostaphylos tomentosa Woolly leaf manzanita Shrub 7
Arctostaphylos tomentosa ssp. crustacea Brittle leaf manzanita Shrub 5
Arctostaphylos viscida Whiteleaf manzanita Tree, Shrub 6
Arctostaphylos viscida ssp. pulchella White leaf manzanita Tree, Shrub  
Arctostaphylos viscida ssp. viscida Smooth white leaf manzanita Tree, Shrub 2
Aristolochia californica California pipevine Vine, Shrub 23
Artemisia californica Coastal sage brush Shrub 44
Baccharis pilularis Coyote brush Shrub 57
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 49
Baccharis salicifolia Mule fat Shrub 26
Baccharis salicifolia ssp. salicifolia Mule fat Shrub 8
Berberis aquifolium Mountain grape Shrub 46
Berberis aquifolium var. aquifolium Oregon grape Shrub 36
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3
Berberis aquifolium var. repens Creeping oregon grape Shrub 30
Berberis nervosa Oregon grape Shrub 14
Berberis pinnata Shiny leaf mahonia Shrub 8
Berberis pinnata ssp. pinnata Coast barberry Shrub  
Calycanthus occidentalis Spicebush Shrub 41
Ceanothus confusus Rincon ridge ceanothus Shrub 1
Ceanothus cuneatus Buck brush Shrub 24
Ceanothus cuneatus var. cuneatus Buck brush Shrub 3
Ceanothus cuneatus var. ramulosus Buck brush Shrub 1
Ceanothus dentatus Dwarf ceanothus Shrub 4
Ceanothus divergens Calistoga ceanothus Shrub  
Ceanothus foliosus Wavy leaved ceanothus Shrub 6
Ceanothus foliosus var. foliosus Wavy leaved ceanothus Shrub  
Ceanothus foliosus var. vineatus Vine hill ceanothus Shrub 1
Ceanothus incanus Coast whitethorn Shrub 1
Ceanothus integerrimus Deer brush Shrub 15
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 15
Ceanothus jepsonii Musk brush Shrub  
Ceanothus jepsonii var. albiflorus White flowered musk brush Shrub  
Ceanothus jepsonii var. jepsonii Musk brush Shrub  
Ceanothus maritimus San luis obispo ceanothus Shrub 18
Ceanothus oliganthus Hairy ceanothus Shrub 5
Ceanothus oliganthus var. oliganthus Hairy ceanothus Shrub 5
Ceanothus oliganthus var. sorediatus Jim brush Shrub  
Ceanothus parryi Parry ceanothus Shrub  
Ceanothus prostratus Mahala mats Shrub 10
Ceanothus prostratus var. occidentalis Mahala mats Shrub 10
Ceanothus purpureus Hollyleaf ceanothus Shrub 2
Ceanothus sonomensis Sonoma ceanothus Shrub  
Ceanothus velutinus Tobacco brush, snowbrush Tree, Shrub 11
Ceanothus velutinus var. hookeri Hooker's tobacco brush Tree, Shrub 10
Ceanothus velutinus var. laevigatus Hooker's ceanothus Tree, Shrub 10
Cephalanthus occidentalis Common buttonbush Shrub 14
Cephalanthus occidentalis var. californicus California buttonbush Shrub 14
Cercis occidentalis Western redbud Tree, Shrub 66
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 45
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Chrysolepis chrysophylla Golden chinquapin Tree, Shrub 4
Chrysolepis chrysophylla var. chrysophylla Golden chinquapin Tree, Shrub 1
Chrysolepis chrysophylla var. minor Bush chinquapin Tree, Shrub  
Chrysothamnus parryi Parry's rabbit brush Shrub  
Chrysothamnus parryi ssp. latior Parry's rabbitbrush Shrub  
Cornus glabrata Brown dogwood Tree, Shrub 10
Cornus nuttallii Mountain dogwood Shrub 25
Cornus sericea American dogwood Shrub 43
Cornus sericea ssp. sericea Red osier dogwood Shrub 33
Corylus cornuta Beaked hazelnut Shrub 19
Corylus cornuta ssp. californica Beaked hazelnut Shrub 16
Corylus cornuta var. californica California hazelnut Shrub 9
Crocanthemum aldersonii Alderson's rush-rose Shrub 12
Crocanthemum scoparium Bisbee Peak Rushrose Shrub 13
Crocanthemum scoparium var. scoparium Peak Rushrose Shrub 12
Crocanthemum scoparium var. vulgare Peak Rushrose Shrub 12
Cupressus macnabiana Macnab's cypress Tree, Shrub 7
Cupressus sargentii Sargent cypress Tree, Shrub 3
Dendromecon rigida Bush poppy Shrub 14
Diplacus aurantiacus Sticky monkeyflower Shrub 49
Ericameria arborescens Golden fleece Shrub 3
Ericameria linearifolia Interior goldenbush Shrub 6
Ericameria parryi Parry's rabbitbrush Shrub  
Ericameria parryi var. latior Parry's rabbitbrush Shrub  
Eriodictyon californicum Yerba santa Shrub 11
Eriogonum fasciculatum California buckwheat Shrub 42
Eriogonum fasciculatum var. foliolosum California buckwheat Shrub 6
Eriogonum nudum Naked buckwheat Shrub 15
Eriogonum nudum var. auriculatum Nude buckwheat Shrub 1
Eriogonum nudum var. nudum Nude buckwheat Shrub 1
Eriogonum nudum var. oblongifolium Oblong leaved buckwheat Shrub 1
Eriogonum tripodum Tripod buckwheat Shrub  
Eriophyllum confertiflorum Yellow yarrow Shrub 22
Eriophyllum confertiflorum var. confertiflorum Golden yarrow Shrub 1
Forestiera pubescens Desert olive Shrub 5
Frangula californica California coffeeberry Shrub 50
Frangula californica ssp. californica California coffeeberry Shrub 43
Frangula californica ssp. crassifolia Serpentine hoary coffeeberry Shrub  
Frangula californica ssp. occidentalis Wetern california coffeeberry Shrub 2
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 13
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Fremontodendron californicum California fremontia Shrub 29
Fremontodendron californicum ssp. californicum California fremontia Shrub 26
Galium porrigens Climbing bedstraw Vine, Shrub  
Galium porrigens var. porrigens Graceful bedstraw Vine, Shrub  
Galium porrigens var. tenue Graceful bedstraw Vine, Shrub  
Garrya congdonii Silk tassel Shrub  
Garrya elliptica Coast silk tassel Tree, Shrub 31
Garrya flavescens Ashy silk tassel Shrub 1
Garrya fremontii Fremont's silk tassel Shrub 5
Gutierrezia sarothrae Matchweed Shrub 6
Helianthemum scoparium Broom rose Shrub 13
Helianthemum suffrutescens Bisbee peak rush rose Shrub 12
Hesperocyparis macnabiana Macnab cypress Tree, Shrub 7
Hesperocyparis sargentii Sargent cypress Tree, Shrub 3
Heteromeles arbutifolia Toyon Shrub 64
Holodiscus discolor Oceanspray Shrub 42
Holodiscus discolor var. discolor Oceanspray Shrub 2
Holodiscus microphyllus Oceanspray Shrub 40
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 40
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 40
Juniperus californica California juniper Shrub 4
Keckiella breviflora Gaping keckiella Shrub 4
Keckiella breviflora var. glabrisepala Hairless gaping keckiella Shrub  
Keckiella corymbosa Red beardtongue Shrub 2
Keckiella lemmonii Lemmon's keckiella Shrub  
Lepechinia calycina Pitcher sage Shrub 14
Lithocarpus densiflorus Tanbark oak Tree, Shrub 14
Lithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Lonicera hispidula Pink honeysuckle Vine, Shrub 33
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 33
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5
Lonicera involucrata Coast twinberry Shrub 42
Lonicera involucrata var. ledebourii Coast twinberry Shrub 2
Lupinus albifrons Silver bush lupine Shrub 34
Lupinus albifrons var. albifrons Silver bush lupine Shrub 5
Lupinus albifrons var. collinus Silver bush lupine Shrub 8
Lupinus arboreus Coastal bush lupine Shrub 26
Malacothamnus fremontii Fremont's bush mallow Shrub 8
Malacothamnus helleri Heller's bush mallow Shrub 9
Malus fusca Oregon crab apple Tree, Shrub 13
Mimulus aurantiacus Sticky monkeyflower Shrub 55
Mimulus aurantiacus var. aurantiacus Sticky monkeyflower Shrub 4
Mimulus puniceus Red bush monkeyflower Shrub 52
Notholithocarpus densiflorus Tanoak Tree, Shrub 12
Notholithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Oemleria cerasiformis Oso berry Shrub 18
Opuntia Xoccidentalis Western prickly pear Shrub (stem succulent) 4
Paxistima myrsinites Oregon boxwood Shrub 5
Phoradendron bolleanum Bollean mistletoe Shrub (parasitic)  
Phoradendron californicum California mesquite mistletoe Shrub (parasitic)  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. tomentosum Mistletoe Shrub (parasitic)  
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. tomentosum Pacific mistletoe Shrub (parasitic)  
Phoradendron villosum Hairy mistletoe Shrub (parasitic)  
Physocarpus capitatus Ninebark Shrub 40
Pickeringia montana Chaparral pea Shrub 3
Pickeringia montana var. montana Chaparral pea Shrub  
Pickeringia montana var. tomentosa Chaparral pea Shrub 1
Prunus emarginata Bitter cherry Tree, Shrub 15
Prunus ilicifolia Holly leaf cherry Tree, Shrub 34
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry Tree, Shrub 11
Prunus subcordata Sierra plum Tree, Shrub 4
Prunus virginiana Chokecherry Tree, Shrub 29
Prunus virginiana var. demissa Western choke cherry Tree, Shrub 10
Prunus virginiana var. melanocarpa Black chokecherry Tree, Shrub 8
Ptelea crenulata Hop tree Tree, Shrub 4
Quercus Xchasei Shrub, Tree  
Quercus Xganderi Shrub, Tree  
Quercus dumosa Scrub oak Shrub 10
Quercus durata Leather oak Shrub 9
Quercus durata var. durata Leather oak Shrub 2
Quercus wislizeni Interior live oak Tree, Shrub 22
Quercus wislizeni var. frutescens Live oak Tree, Shrub 1
Quercus wislizeni var. wislizeni Interior live oak Tree, Shrub 3
Rhamnus californica Coffee berry Shrub 61
Rhamnus californica ssp. californica California coffeeberry Shrub 10
Rhamnus californica ssp. occidentalis Wetern california coffeeberry Shrub 2
Rhamnus crocea Redberry Shrub 18
Rhamnus ilicifolia Evergreen buckthorn Shrub 17
Rhamnus tomentella Hoary coffeeberry Shrub 10
Rhamnus tomentella ssp. crassifolia Velvet leaf coffeeberry Shrub  
Rhamnus tomentella ssp. tomentella Chaparral coffee berry Shrub 6
Rhododendron occidentale Western azalea Tree, Shrub 22
Rhododendron occidentale var. occidentale Western azalea Tree, Shrub  
Rhus aromatica Fragrant sumac Shrub 32
Rhus trilobata Skunkbrush Shrub 32
Rhus trilobata var. simplicifolia Single leaf skunkbrush Shrub 7
Ribes aureum Golden currant Shrub 50
Ribes californicum California gooseberry Shrub 8
Ribes californicum var. californicum California gooseberry Shrub 1
Ribes divaricatum Spreading gooseberry Shrub 9
Ribes malvaceum Chaparral currant Shrub 23
Ribes malvaceum var. malvaceum Chaparral currant Shrub 3
Ribes menziesii Gooseberry Shrub 6
Ribes roezlii Sierra gooseberry Shrub 10
Ribes roezlii var. cruentum Spiny fruited gooseberry Shrub 3
Ribes sanguineum Flowering currant Shrub 54
Ribes sanguineum var. glutinosum Flowering currant Shrub 25
Ribes speciosum Fuchsia flowered gooseberry Shrub 29
Ribes victoris Victor's gooseberry Shrub  
Rosa californica California wild rose Shrub 52
Rosa gymnocarpa Wood rose Shrub 21
Rosa gymnocarpa var. gymnocarpa Wood rose Shrub 2
Rosa pisocarpa Cluster rose Shrub 10
Rosa spithamea Sonoma rose Shrub 1
Rubus leucodermis White bark raspberry Shrub 8
Rubus parviflorus Thimbleberry Vine, Shrub 38
Rubus ursinus California blackberry Vine, Shrub 38
Salix breweri Serpentine willow Shrub 1
Salix exigua Narrowleaf willow Tree, Shrub 26
Salix exigua var. hindsiana Sandbar willow Tree, Shrub 25
Salix hindsiana Sandbar willow Tree, Shrub 25
Salix lasiolepis Arroyo willow Tree, Shrub 23
Salix lasiolepis var. bigelovii Arroyo willow Tree, Shrub 23
Salix lucida Shining willow Tree, Shrub 19
Salix melanopsis Dusky willow Tree, Shrub 4
Salix scouleriana Scouler willow Tree, Shrub 17
Salix sitchensis Coulter willow Tree, Shrub 14
Salvia mellifera Black sage Shrub 44
Sambucus mexicana Elderberry Tree, Shrub 40
Sambucus nigra Black elderberry Shrub 13
Sambucus nigra ssp. caerulea Blue elderberry Shrub 60
Senecio flaccidus Shrubby ragwort Shrub 6
Senecio flaccidus var. douglasii Bush groundsel Shrub 3
Solanum parishii Parish's purple nightshade Shrub 3
Solanum umbelliferum Blue witch Shrub 10
Styrax redivivus California snowdrop bush Shrub 10
Symphoricarpos acutus Creeping snowberry Shrub 17
Symphoricarpos albus Common snowberry Shrub 41
Symphoricarpos albus var. laevigatus Snowberry Shrub 12
Symphoricarpos hesperius Creeping snowberry Shrub 17
Symphoricarpos mollis Snowberry Shrub 18
Toxicodendron diversilobum Poison oak Vine, Shrub 7
Vaccinium ovatum Evergreen huckleberry Shrub 38
Viburnum ellipticum Common viburnum Shrub 5
Vitis californica California wild grape Vine, Shrub 39
Whipplea modesta Modesty Vine, Shrub 7
  Lifeform: Tree45 plants
Acer macrophyllum Bigleaf maple Tree 52
Acer negundo Boxelder Tree 30
Acer negundo var. californicum California box elder Tree 30
Aesculus californica Buckeye Tree 46
Alnus rhombifolia White alder Tree 38
Arbutus menziesii Madrono Tree 36
Calocedrus decurrens Incense cedar Tree 40
Cupressus macrocarpa Monterey cypress Tree 24
Fraxinus latifolia Oregon ash Tree 29
Hesperocyparis macrocarpa Monterey cypress Tree 24
Juglans californica Southern california black walnut Tree 12
Juglans californica var. hindsii Northern california black walnut Tree 13
Juglans hindsii Northern california black walnut Tree 13
Pinus attenuata Knobcone pine Tree 6
Pinus coulteri Coulter pine Tree 13
Pinus lambertiana Sugar pine Tree 13
Pinus ponderosa Yellow pine Tree 29
Pinus ponderosa var. ponderosa North plateau ponderosa pine Tree 2
Pinus radiata Monterey pine Tree 8
Pinus sabiniana Gray pine Tree 28
Platanus racemosa California sycamore Tree 36
Populus fremontii Fremont cottonwood Tree 32
Populus fremontii ssp. fremontii Cottonwood Tree 4
Pseudotsuga menziesii Douglas fir Tree 31
Pseudotsuga menziesii var. menziesii Douglas fir Tree 4
Quercus Xmorehus Oracle oak Tree 1
Quercus agrifolia Coast live oak Tree 52
Quercus agrifolia var. agrifolia Coast live oak Tree 3
Quercus berberidifolia Inland scrub oak Tree 13
Quercus chrysolepis Gold cup live oak Tree 24
Quercus douglasii Blue oak Tree 26
Quercus garryana Oregon oak Tree 24
Quercus garryana var. garryana Oregon oak Tree 1
Quercus kelloggii California black oak Tree 24
Quercus lobata Valley oak Tree 40
Quercus parvula Santa cruz island oak Tree 1
Quercus parvula var. shrevei Shreve's oak Tree 1
Salix gooddingii Gooding's willow Tree 7
Salix laevigata Polished willow Tree 17
Salix lasiandra Pacific willow Tree 20
Salix lasiandra var. lasiandra Pacific willow Tree 6
Salix lucida ssp. lasiandra Shining willow Tree 6
Sequoia sempervirens Coast redwood Tree 34
Torreya californica California nutmeg Tree 9
Umbellularia californica California bay Tree 40
  Lifeform: Vine1 plant
Cuscuta howelliana Boggs lake dodder Vine  
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in Napa County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county.