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Criteria:   found in San Mateo County  •   is native  •  group by lifeform
1948  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual599 plants
Acanthomintha duttonii San mateo thorn mint Annual herb  
Acanthomintha obovata Obvate-leafed thorn mint Annual herb  
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 maritimus Coastal lotus Annual herb 2
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. heterophylla Annual agoseris Annual herb  
Agrostis microphylla Little leaf bentgrass Annual grass  
Alopecurus saccatus Foxtail Annual grass  
Amaranthus californicus California amaranth Annual herb  
Amaranthus powellii Powell's amaranth Annual herb  
Ammannia coccinea Red ammannia Annual herb  
Ammannia robusta Grand ammania Annual herb  
Amsinckia douglasiana Douglas' fiddleneck Annual herb  
Amsinckia intermedia Common fiddleneck Annual herb 1
Amsinckia lunaris Bent flowered 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  
Amsinckia spectabilis Seaside fiddleneck Annual herb  
Amsinckia spectabilis var. spectabilis Seaside fiddleneck Annual herb  
Anagallis minima Chaffweed Annual herb  
Ancistrocarphus filagineus Woolly fishhooks Annual herb  
Androsace elongata California rockjasmine Annual herb  
Androsace elongata ssp. acuta California androsace Annual herb  
Antirrhinum kelloggii Lax snapdragon Annual herb 1
Antirrhinum vexillo-calyculatum Brewer's snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. vexillo-calyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum ssp. vexillocalyculatum Wiry snapdragon Annual herb  
Aphanes occidentalis Ladie's mantle Annual, Perennial herb  
Aphyllon purpureum Naked broom rape Annual herb  
Aphyllon robbinsii Annual herb  
Aphyllon vallicolum Valley broom rape Annual herb  
Apiastrum angustifolium Wild celery Annual herb  
Astragalus gambelianus Loco weed 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 patula Spear oracle Annual herb 3
Atriplex patula var. patula Spear oracle Annual herb 3
Blennosperma nanum Yellow carpet Annual herb  
Blennosperma nanum var. nanum Common blennosperma Annual herb  
Blennosperma nanum var. robustum Point reyes blennosperma Annual herb  
Bowlesia incana Bowlesia Annual herb 1
Bromus vulgaris Common brome Annual grass 1
Calandrinia breweri Brewer's calandrinia Annual herb 1
Calandrinia ciliata Redmaids Annual herb 7
Calandrinia menziesii Calandrinia Annual herb 7
Calibrachoa parviflora Seaside petunia 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 trochlearis Water starwort Annual herb (aquatic)  
Callitriche verna Water starwort Annual herb  
Calycadenia multiglandulosa Rosin weed Annual herb  
Camissonia bistorta California sun cup Annual herb 5
Camissonia contorta Contorted sun cup Annual herb  
Camissonia graciliflora Hill sun cup Annual herb  
Camissonia hirtella Hairy sun cups Annual herb  
Camissonia intermedia Intermediate sun cups Annual herb  
Camissonia micrantha Spencer primrose Annual herb 2
Camissonia strigulosa Contorted primrose Annual herb  
Camissoniopsis bistorta California sun cup Annual herb 5
Camissoniopsis cheiranthifolia ssp. cheiranthifolia Beach evening-primrose Annual, Perennial herb 1
Camissoniopsis hirtella Hairy sun cup Annual herb  
Camissoniopsis intermedia Intermediate sun cups Annual herb  
Camissoniopsis micrantha Spencer primrose Annual herb 2
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 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 exserta ssp. latifolia Purple owl's clover Annual herb  
Castilleja rubicundula Cream sacs Annual herb  
Castilleja rubicundula ssp. lithospermoides Cream sacs Annual herb  
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  
Centromadia fitchii Spikeweed Annual herb  
Centromadia parryi Pappose tarweed Annual herb  
Centromadia parryi ssp. congdonii Congdon's tarplant 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  
Chamaesyce serpens Creeping spurge 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  
Chenopodium berlandieri var. sinuatum Pitseed goosefoot Annual herb  
Chenopodium berlandieri var. zschackei Pit seed goosefoot Annual herb  
Chenopodium rubrum Red goosefoot Annual herb  
Chloropyron maritimum Salt marsh bird's beak Annual herb  
Chloropyron maritimum ssp. palustre Point reyes bird's-beak Annual herb  
Chorizanthe cuspidata San francisco spineflower Annual herb  
Chorizanthe cuspidata var. cuspidata San francisco bay spineflower Annual herb  
Chorizanthe diffusa Diffuse spineflower Annual herb  
Chorizanthe robusta Robust spineflower Annual herb  
Chorizanthe robusta var. robusta Robust spineflower Annual herb  
Cicendia quadrangularis Common microcalis Annual herb  
Cirsium quercetorum Brownie thistle Annual, Perennial herb 1
Clarkia amoena Farewell to spring Annual herb 17
Clarkia amoena ssp. amoena Farewell to spring Annual herb 1
Clarkia amoena ssp. huntiana Farewell to spring Annual herb  
Clarkia amoena ssp. whitneyi Farewell to spring Annual herb 2
Clarkia concinna Red ribbons Annual herb 5
Clarkia concinna ssp. automixa Santa clara red ribbons Annual herb  
Clarkia concinna ssp. concinna Red ribbons Annual herb  
Clarkia davyi Davy's clarkia Annual herb 1
Clarkia epilobioides Willow herb clarkia Annual herb  
Clarkia gracilis Graceful clarkia Annual herb 3
Clarkia gracilis ssp. gracilis Graceful 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 rubicunda Farewell to spring Annual herb 8
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 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 perfoliata Miner's lettuce Annual herb 6
Claytonia perfoliata ssp. intermontana Miner's lettuce Annual herb  
Claytonia perfoliata ssp. mexicana Southern miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
Claytonia rubra Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. rubra Red stemmed miner's lettuce Annual herb  
Collinsia corymbosa Round headed chinese houses Annual herb  
Collinsia heterophylla Chinese houses Annual herb 20
Collinsia heterophylla var. heterophylla Purple chinese houses Annual herb  
Collinsia multicolor San francisco collinsia Annual herb 1
Collinsia sparsiflora Few flowered collinsia Annual herb  
Collinsia sparsiflora var. collina Hillside collinsia Annual herb  
Collinsia sparsiflora var. sparsiflora Few flowered collinsia Annual herb  
Collomia grandiflora Large flowered collomia Annual herb 4
Collomia heterophylla Varied leaved collomia Annual herb  
Conyza canadensis Canada horseweed Annual herb  
Conyza canadensis var. canadensis Canadian horseweed Annual herb  
Cordylanthus maritimus Salt marsh bird's beak Annual herb  
Cordylanthus maritimus ssp. palustris Point reyes bird's beak Annual herb (hemiparasitic)  
Cordylanthus pilosus Hairy bird's beak Annual herb  
Cordylanthus pilosus ssp. hansenii Hansen's bird's beak Annual herb  
Cordylanthus pilosus ssp. pilosus Hairy bird's beak Annual herb  
Cordylanthus rigidus Rigid bird's beak Annual herb  
Cordylanthus rigidus ssp. rigidus Rigid bird's beak Annual herb  
Coreopsis douglasii Douglas' coreopsis Annual herb 1
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. clevelandii Cleveland's cryptantha Annual herb  
Cryptantha clevelandii var. florosa Coastal cryptantha Annual herb  
Cryptantha flaccida Beaked cryptantha Annual herb  
Cryptantha leiocarpa Popcorn flower Annual herb  
Cryptantha micromeres Small flowered cryptantha Annual herb  
Cryptantha microstachys Tejon cryptantha Annual herb  
Cryptantha muricata Prickly cryptantha Annual herb 2
Cryptantha torreyana Torrey's cryptantha Annual herb  
Cryptantha torreyana var. pumila Dwarf cryptantha Annual herb  
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 campestris Field dodder Annual herb, Vine (parasitic)  
Cuscuta indecora Big seed alfalfa 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 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 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 douglasii Purple mouse ears Annual herb 1
Elatine brachysperma Short seed waterwort Annual, Perennial herb  
Elatine heterandra Mosquito waterwort Annual, Perennial herb  
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 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 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  
Eremocarpus setigerus Turkey mullein Annual herb 4
Eriastrum abramsii Abrams' eriastrum Annual herb  
Erigeron canadensis Canada horseweed Annual herb  
Eriogonum gracile Slender buckwheat Annual herb 3
Eriogonum gracile var. gracile Slender buckwheat Annual herb  
Eriogonum luteolum Wicker buckwheat Annual herb  
Eriogonum luteolum var. caninum Tiburon buckwheat Annual herb  
Eriogonum luteolum var. luteolum Golden buckwheat Annual herb  
Eriogonum vimineum Wicker stemmed eriogonum Annual herb 1
Eryngium aristulatum var. hooveri Hoover's button celery Annual, Perennial herb  
Erythranthe arvensis Annual herb  
Erythranthe grandis Annual herb  
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Erythranthe microphylla Small leaved monkeyflower Annual herb  
Eschscholzia californica California poppy Annual, Perennial herb 50
Eucrypta chrysanthemifolia Spotted eucrypta Annual herb 2
Euphorbia crenulata Chinesecaps 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  
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 triflorum Sweet bedstraw Annual herb  
Geranium carolinianum Carolina geranium Annual herb  
Gilia achilleifolia California gilia Annual herb 2
Gilia achilleifolia ssp. achilleifolia California gilia Annual herb  
Gilia achilleifolia ssp. multicaulis Many stemmed gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 19
Gilia capitata ssp. chamissonis Blue field gilia Annual herb 3
Gilia clivorum Purple spot gilia Annual herb  
Gilia millefoliata Manyleaf gilia Annual herb  
Githopsis diffusa 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
Guillenia lasiophylla Shaggy thelypod Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 16
Hemizonia congesta Hayfield tarweed Annual herb 5
Hemizonia congesta ssp. congesta Hayfield tarweed Annual herb 1
Hemizonia congesta ssp. leucocephala Hayfield tarplant Annual herb  
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. congdonii Congdon's tarplant Annual herb  
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 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 congestum Marin western flax Annual herb  
Hesperolinon micranthum Small flower western flax Annual herb  
Hesperolinon spergulinum Slender western flax Annual herb  
Hesperomecon linearis Narrowleaf queen poppy Annual herb  
Heterocodon rariflorum Heterocodon Annual herb  
Heterotheca grandiflora Telegraph weed Annual, Perennial herb 3
Heterotheca sessiliflora Golden aster Annual herb 9
Hordeum depressum Alkali barley Annual grass 3
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1
Isolepis carinata Keeled bulrush Annual grass  
Isolepis cernua Low bulrush Annual grass 14
Juncus ambiguus Saline toad rush Annual grass  
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
Lagophylla ramosissima Common hareleaf Annual herb  
Lasthenia californica Goldfields Annual herb 13
Lasthenia californica ssp. californica California goldfields Annual herb 2
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 macrantha Perennial goldfields Annual herb 3
Lasthenia macrantha ssp. macrantha Perennial goldfields Annual herb 3
Lasthenia minor Coastal goldfields Annual herb 1
Layia chrysanthemoides Smooth tidy tips Annual herb 1
Layia gaillardioides Woodland layia Annual herb 4
Layia hieracioides Hawkweed layia Annual herb 1
Layia platyglossa Tidy tips Annual herb 20
Legenere limosa Legenere Annual herb  
Lepidium latipes Dwarf pepper grass Annual herb  
Lepidium nitidum Shining pepper grass Annual herb 2
Lepidium oxycarpum Sharp podded pepper grass Annual herb  
Lepidium strictum Peppergrass Annual herb  
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 ambiguus Serpentine leptosiphon Annual herb  
Leptosiphon androsaceus False babystars Annual herb 1
Leptosiphon bicolor True babystars Annual herb  
Leptosiphon croceus Coast yellow leptosiphon Annual herb  
Leptosiphon liniflorus Narrowflower flaxflower 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  
Leptosiphon rosaceus Rose leptosiphon Annual herb  
Leptosyne douglasii Douglas' coreopsis Annual herb 1
Lessingia arachnoidea Crystal springs lessingia Annual herb  
Lessingia germanorum San francisco lessingia Annual herb  
Lessingia glandulifera Valley vinegar weed Annual herb  
Lessingia glandulifera var. glandulifera Sticky lessingia Annual herb  
Lessingia hololeuca Woolly headed lessingia Annual herb  
Lessingia lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. ramulosissima Twiggy lemmon's lessingia Annual herb  
Lessingia pectinata Annual herb 1
Lessingia pectinata var. tenuipes Sticky lessingia Annual herb  
Lessingia tenuis Spring lessingia Annual herb  
Lilaea scilloides Flowering quillwort Annual herb (aquatic)  
Limnanthes douglasii Common meadow foam Annual herb 8
Limnanthes douglasii ssp. douglasii Douglas' meadowfoam Annual herb  
Limnanthes douglasii ssp. ornduffii Ornduff's meadowfoam Annual herb  
Limnanthes douglasii ssp. sulphurea Point Reyes meadowfoam Annual herb 1
Limosella acaulis Stemless mudwort Annual herb  
Limosella aquatica Northern mudwort Annual herb (aquatic)  
Linanthus acicularis Bristly linanthus Annual herb  
Linanthus ambiguus Serpentine linanthus Annual herb  
Linanthus androsaceus Common linanthus Annual herb 1
Linanthus bicolor True baby stars Annual herb  
Linanthus croceus Coast yellow leptosiphon Annual herb  
Linanthus dichotomus Evening snow Annual herb  
Linanthus liniflorus Flax flowered linanthus Annual herb  
Linanthus parviflorus Common linanthus Annual herb 1
Linanthus pygmaeus Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. continentalis Pygmy linanthus Annual herb  
Linanthus rosaceus Rose linanthus Annual herb  
Linaria canadensis Toad flax Annual, Perennial herb 1
Linaria canadensis var. texana Toad flax Annual, Perennial herb 1
Logfia filaginoides California cottonrose 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 salsuginosus Coastal lotus Annual herb 2
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 succulentus Arroyo lupine Annual herb 22
Lysimachia minima Chaffweed Annual herb  
Madia anomala Tarweed Annual herb  
Madia elegans Common madia Annual herb 14
Madia elegans ssp. densifolia Leafy common madia Annual herb 12
Madia elegans ssp. elegans Common madia Annual herb 1
Madia exigua Small tarweed Annual herb 1
Madia gracilis Gumweed Annual herb 1
Madia radiata Showy madia Annual herb  
Madia sativa Coastal tarweed Annual herb  
Malacothrix floccifera Woolly malacothrix Annual herb 1
Matricaria discoidea Pineapple weed Annual herb 3
Meconella californica California meconella Annual herb  
Meconella linearis Narrow leaved meconella 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  
Micropus californicus var. subvestitus Hairy slender cottonweed Annual herb  
Microseris bigelovii Coast microseris Annual herb  
Microseris douglasii Douglas' microseris Annual herb  
Microseris douglasii ssp. douglasii Douglas' microseris Annual herb  
Microseris douglasii ssp. tenella Short scaled microseris Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Microsteris gracilis var. humilior Slender phlox Annual herb  
Mimulus douglasii Purple mouse ears Annual herb 1
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Mimulus microphyllus Small leaved monkeyflower Annual herb 35
Mimulus parishii Parish mimulus Annual herb 35
Minuartia californica Sandwort Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Monardella sinuata Curly leaved monardella Annual herb  
Monardella sinuata ssp. nigrescens Annual herb  
Monardella undulata Curly leaved monardella Annual herb  
Monolopia gracilens Woodland monolopia Annual herb  
Monolopia major Cupped monolopia Annual herb  
Montia fontana Water montia Annual herb  
Myosurus minimus Little mouse tail Annual herb  
Navarretia heterodoxa Calistoga navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia mellita Skunk navarretia Annual herb  
Navarretia myersii Pincushion navarretia Annual herb  
Navarretia myersii ssp. myersii Myers' pincushionplant Annual herb  
Navarretia squarrosa Skunkweed Annual herb  
Navarretia viscidula Sticky navarretia Annual herb  
Nemophila heterophylla Canyon nemophila Annual herb  
Nemophila maculata Five spot Annual herb 16
Nemophila menziesii Baby blue eyes Annual herb 18
Nemophila menziesii var. atomaria 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 pedunculata Meadow nemophila Annual herb  
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 heterophyllum Wind poppy Annual herb 6
Pectocarya pusilla Little pectocarya Annual herb  
Pentachaeta alsinoides Tiny pygmy daisy Annual herb  
Pentachaeta bellidiflora White rayed pentachaeta Annual herb  
Pentachaeta exilis Slender pentachaeta Annual herb  
Persicaria lapathifolia Common knotweed Annual herb  
Petunia parviflora Wild petunia Annual herb  
Phacelia breweri Brewer's phacelia Annual herb  
Phacelia ciliata Great valley phacelia Annual herb 1
Phacelia ciliata var. ciliata Great valley phacelia Annual herb  
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 malvifolia Stinging phacelia Annual herb 1
Phacelia malvifolia var. malvifolia Stinging Phacelia Annual herb  
Phacelia rattanii Rattan's phacelia Annual herb  
Phalaris angusta Timothy canarygrass Annual grass  
Phalaris lemmonii Lemmon's canarygrass Annual grass  
Phlox gracilis Annual phlox Annual herb  
Pholistoma auritum Fiesta flower Annual herb  
Pholistoma auritum var. auritum Blue fiesta flower Annual herb  
Pholistoma membranaceum White fiesta flower Annual herb  
Plagiobothrys bracteatus Bracted allocarya Annual herb  
Plagiobothrys canescens Valley popcorn Annual herb 1
Plagiobothrys chorisianus Popcorn flower Annual herb 1
Plagiobothrys chorisianus var. chorisianus Choris's popcorn flower Annual herb 1
Plagiobothrys chorisianus var. hickmanii Hickman's popcorn flower Annual herb  
Plagiobothrys diffusus San francisco popcorn flower Annual herb  
Plagiobothrys fulvus Fulvous popcorn flower Annual herb  
Plagiobothrys fulvus var. campestris Tawny popcorn flower Annual herb  
Plagiobothrys leptocladus Alkali plagiobothrys Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys reticulatus Reticulate popcorn flower Annual herb  
Plagiobothrys reticulatus var. reticulatus Reticulate popcorn flower Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Plagiobothrys undulatus Coast allocarya Annual herb  
Plantago bigelovii Long leaf plantain Annual herb  
Plantago elongata Coastal plantain Annual herb  
Plantago elongata ssp. pentasperma Five seeded plantain Annual herb  
Plantago erecta California plantain Annual herb 6
Plantago ovata Desert plantain Annual herb 5
Platystemon californicus Cream cups Annual herb 3
Plectritis brachystemon Short spurred plectritis Annual herb  
Plectritis ciliosa Long spurred plectritis Annual herb  
Plectritis congesta Sea blush Annual herb 1
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb  
Plectritis congesta ssp. congesta Sea blush Annual herb  
Plectritis macrocera Plectritis Annual herb  
Poa howellii Howell's blue grass Annual grass  
Pogogyne serpylloides Thyme leaf mesa mint Annual herb  
Polycarpon depressum California polycarpon Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Potentilla rivalis Brook cinquefoil Annual, Perennial herb  
Pseudognaphalium californicum Ladies' tobacco Annual, Perennial herb 13
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus chilensis Round woolly marbles Annual herb  
Psilocarphus tenellus Slender woolly heads Annual herb  
Psilocarphus tenellus var. globiferus Round woolly marbles Annual herb  
Psilocarphus tenellus var. tenellus Slender woolly heads Annual herb  
Pterostegia drymarioides Fairy mist Annual herb  
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 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  
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
Scirpus cernuus Low clubrush Annual grass 14
Scirpus koilolepis Keeled bulrush Annual grass  
Scribneria bolanderi Scribneria Annual grass  
Sedum radiatum Coast range stonecrop Annual herb  
Senecio aphanactis California groundsel Annual herb  
Sidalcea diploscypha Fringed checker mallow Annual herb  
Silene californica California indian pink Annual herb 2
Silene verecunda Dolores 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 decipiens Santa Cruz microseris Annual herb  
Stebbinsoseris heterocarpa Grassland stebbinsoseris Annual herb  
Stellaria nitens Shining chickweed Annual herb  
Stephanomeria elata Santa barbara stephanomeria 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  
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  
Tonella tenella Small flowered tonella Annual herb  
Trichostema lanceolatum Vinegarweed Annual herb 2
Trifolium albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. dichotomum Clover Annual herb  
Trifolium amoenum Showy indian clover Annual herb  
Trifolium barbigerum Bearded clover Annual herb  
Trifolium barbigerum var. andrewsii Gray's 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 buckwestiorum Santa cruz clover Annual herb  
Trifolium ciliolatum Tree clover Annual herb 6
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 grayi Gray's clover Annual herb  
Trifolium hydrophilum Saline clover Annual herb  
Trifolium macraei Macrae's 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 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 eriantha ssp. rosea Pink butter 'n' eggs Annual herb  
Triphysaria floribunda San francisco owl's clover 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 capparideum Caper fruited tropidocarpum 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  
  Lifeform: Biennial2 plants
Gnaphalium ramosissimum Pink everlasting Biennial herb 3
Pseudognaphalium ramosissimum Pink cudweed Biennial herb 3
  Lifeform: Perennial917 plants
Abronia latifolia Yellow sand verbena Perennial herb 3
Abronia umbellata Beach sand verbena Perennial herb 1
Abronia umbellata ssp. umbellata Sand verbena Perennial herb  
Abronia umbellata var. umbellata Beach sand verbena Perennial herb  
Acaena pinnatifida Argentinian biddy biddy Perennial herb 5
Acaena pinnatifida var. californica California acaena Perennial herb 5
Achillea millefolium Yarrow Perennial herb 70
Acmispon argophyllus Silver birds foot trefoil Perennial herb  
Acmispon cytisoides Bentham's deerweed Perennial herb  
Acmispon glaber Deerweed Perennial herb 21
Acmispon glaber var. glaber Deerweed Perennial herb  
Acmispon heermannii Heermann's lotus Perennial herb 4
Acmispon heermannii var. orbicularis Round leaved heermann's lotus Perennial herb  
Acmispon junceus Rush lotus Perennial herb 2
Acmispon junceus var. biolettii Bioletti's rush lotus Perennial herb  
Acmispon junceus var. junceus Rush lotus Perennial herb  
Actaea rubra Baneberry Perennial herb 7
Adenocaulon bicolor Trail plant Perennial herb  
Agoseris apargioides Coast dandelion Perennial herb  
Agoseris apargioides var. apargioides Coast dandelion Perennial herb  
Agoseris apargioides var. eastwoodiae Eastwood's seaside agoseris Perennial herb  
Agoseris grandiflora Giant mountain dandelion Perennial herb 3
Agoseris grandiflora var. grandiflora Giant mountain dandelion Perennial herb  
Agoseris hirsuta Woolly goat chicory Perennial herb  
Agrostis blasdalei Blasdale's bent grass Perennial grass (rhizomatous) 1
Agrostis densiflora California bent grass Perennial grass  
Agrostis exarata Bentgrass Perennial grass 5
Agrostis hallii Hall's bent grass Perennial grass 2
Agrostis pallens Diego bent grass Perennial grass 14
Agrostis scabra Rough bentgrass Perennial grass 4
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 dichlamydeum Coast onion Perennial herb (bulb) 3
Allium falcifolium Sickle leaf onion Perennial herb (bulb) 4
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
Ambrosia chamissonis Silver beachweed Perennial herb 10
Ambrosia psilostachya Ragweed Perennial herb 7
Anaphalis margaritacea Pearly everlasting Perennial herb 18
Anemone grayi Blue windflower Perennial herb  
Anemone oregana Western wood anenome Perennial herb  
Angelica hendersonii Henderson's angelica Perennial herb 11
Angelica tomentosa Woolly angelica Perennial herb 1
Anisocarpus madioides Woodland madia Perennial herb 1
Anthoxanthum occidentale California sweet grass Perennial grass 6
Aphyllon californicum California orobanche Perennial herb (parasitic)  
Aphyllon californicum ssp. californicum Broomrape 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)  
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 blepharophylla Coast rock cress Perennial herb 7
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  
Aralia californica California spikenard Perennial herb 18
Armeria maritima Thrift seapink Perennial herb 34
Armeria maritima ssp. californica Sea thrift Perennial herb 7
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 fascicularis narrow leaf milkweed Perennial herb 31
Aster chilensis California aster Perennial herb 40
Aster radulinus Rough leaved aster Perennial herb 3
Astragalus asymmetricus San joaquin milk vetch Perennial herb 1
Astragalus douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. douglasii Douglas's milkvetch Perennial herb  
Astragalus nuttallii Loco weed Perennial herb 1
Astragalus nuttallii var. nuttallii Ocean bluff milk vetch Perennial herb  
Astragalus nuttallii var. virgatus San francisco rattleweed Perennial herb 1
Astragalus pycnostachyus Marsh milk vetch Perennial herb 1
Astragalus pycnostachyus var. pycnostachyus Marsh milk vetch Perennial herb  
Asyneuma prenanthoides California harebell Perennial herb 2
Atriplex californica California salt bush Perennial herb 1
Atriplex leucophylla Sea scale Perennial herb 8
Baccharis douglasii Salt marsh baccharis Perennial herb 14
Baccharis glutinosa Salt Marsh baccharis Perennial herb 27
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
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 hookeri Small groundcone Perennial herb (parasitic)  
Boschniakia strobilacea Ground cone Perennial herb (parasitic)  
Boykinia occidentalis Western boykinia Perennial herb 6
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 stellaris Star flowered brodiaea Perennial herb 1
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. terrestris Dwarf brodiaea Perennial herb  
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 carinatus var. maritimus Seaside brome Perennial grass 1
Bromus laevipes Narrow flowered brome Perennial grass 3
Bromus marginatus Mountain brome Perennial grass 6
Bromus maritimus Maritime brome Perennial grass 1
Bromus sitchensis Sitka brome Perennial grass 2
Bromus sitchensis var. carinatus California brome Perennial grass 19
Bromus sitchensis var. marginatus Mountain brome Perennial grass 6
Bromus sitchensis var. maritimus Maritime brome Perennial grass 1
Bromus sitchensis var. sitchensis Sitka brome, alaska brome Perennial grass  
Calamagrostis koelerioides Fire reedgrass Perennial grass  
Calamagrostis nutkaensis Reedgrass Perennial grass 22
Calamagrostis rubescens Pinegrass Perennial grass 1
Callitriche heterophylla Water starwort Perennial herb  
Calochortus albus White fairy lantern Perennial herb 6
Calochortus argillosus Clay mariposa Perennial herb (bulb) 3
Calochortus coeruleus Blue star tulip Perennial herb 1
Calochortus luteus 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
Calypso bulbosa Fairy slipper Perennial herb 1
Calypso bulbosa var. occidentalis Fairy slipper Perennial herb  
Calystegia collina Hillside morning glory Perennial herb  
Calystegia collina ssp. collina Hillside morning glory Perennial herb  
Calystegia macrostegia Island morning glory Perennial herb, Vine 18
Calystegia occidentalis Bush morning glory Perennial herb 1
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 soldanella Beach morning glory Perennial herb 3
Calystegia subacaulis Hill morning glory Perennial herb  
Calystegia subacaulis ssp. subacaulis Cambria morning glory Perennial herb  
Camissonia cheiranthifolia Beach evening primrose Perennial herb 11
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening primrose Perennial herb 2
Camissonia cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Camissonia ovata Sun cup Perennial herb 2
Camissoniopsis cheiranthifolia Beach evening-primrose Perennial herb 12
Camissoniopsis cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Campanula prenanthoides Nodding harebell Perennial herb 2
Cardamine californica milkmaids Perennial herb  
Cardamine californica var. californica Milk maids Perennial herb  
Cardamine californica var. integrifolia California toothwort Perennial herb  
Cardamine californica var. sinuata Milk maids Perennial herb  
Cardionema ramosissimum Sand mat Perennial herb 2
Carex amplifolia Ample leaved sedge Perennial grass 3
Carex barbarae Valley sedge Perennial grass 24
Carex bolanderi Bolander's sedge Perennial grass  
Carex brevicaulis Short stem sedge Perennial grass  
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 exsiccata Western inflated sedge Perennial grass 2
Carex globosa Round fruit sedge Perennial grass 5
Carex gracilior Slender sedge Perennial grass  
Carex gynodynama Olney's hairy sedge Perennial grass 1
Carex harfordii Monterey sedge Perennial grass 3
Carex hendersonii Henderson's sedge Perennial grass  
Carex leptopoda Slender-footed sedge Perennial grass 5
Carex nudata Torrent sedge Perennial grass 13
Carex obnupta Slough sedge Perennial grass 18
Carex praegracilis Field sedge Perennial grass 28
Carex praticola Meadow sedge Perennial grass  
Carex schottii Schott's sedge Perennial grass  
Carex senta Rough sedge Perennial grass 3
Carex serratodens Bifid sedge Perennial grass 2
Carex subbracteata Small bract sedge Perennial grass 3
Carex subfusca Brown sedge Perennial grass 8
Carex tumulicola Split awn sedge Perennial grass 26
Carex vesicaria Blister sedge Perennial grass 3
Carex vesicaria var. major Western blister sedge Perennial grass 2
Castilleja affinis Indian paintbrush Perennial herb 1
Castilleja affinis ssp. affinis Coast indian paintbrush Perennial herb 1
Castilleja affinis ssp. litoralis Seashore indian paintbrush Perennial herb  
Castilleja foliolosa Texas paintbrush Perennial herb 3
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja latifolia Seaside paintbrush Perennial herb (hemiparasitic) 2
Castilleja subinclusa Franciscan paint brush Perennial herb 1
Castilleja subinclusa ssp. franciscana Franciscan paintbrush Perennial herb  
Castilleja wightii Wight's paintbrush Perennial herb 1
Cephalanthera austiniae Phantom orchid Perennial herb  
Cerastium arvense Meadow chickweed Perennial herb 1
Cerastium arvense ssp. strictum Field chickweed Perennial herb  
Cerastium viride Field chickweed Perennial herb  
Ceratophyllum demersum Hornwort Perennial herb 1
Chenopodium californicum California goosefoot Perennial herb 1
Chlorogalum pomeridianum Amole Perennial herb 18
Chlorogalum pomeridianum var. divaricatum Soap plant Perennial herb  
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Chlorogalum purpureum Purple amole Perennial herb  
Cicuta douglasii Western water hemlock Perennial herb 1
Cirsium andrewsii Franciscan thistle Perennial herb  
Cirsium brevistylum Indian thistle Perennial herb  
Cirsium fontinale Fountain thistle Perennial herb 1
Cirsium fontinale var. fontinale Fountain thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. candidissimum Snowy thistle Perennial herb  
Cirsium occidentale var. compactum Compact cobwebby thistle Perennial herb  
Cirsium occidentale var. occidentale Cobweb thistle Perennial herb 1
Cirsium occidentale var. venustum Venus thistle Perennial herb  
Cirsium praeteriens Palo alto thistle Perennial herb  
Cirsium remotifolium Few leaved thistle Perennial herb  
Claytonia sibirica Candy flower Perennial herb 7
Clematis lasiantha Pipestem Perennial herb, Vine 26
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Clinopodium douglasii Yerba buena Perennial herb 35
Clintonia andrewsiana Red clintonia Perennial herb 4
Conioselinum pacificum Hemlock parsley Perennial herb  
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza maculata var. maculata Summer coralroot Perennial herb  
Corallorhiza maculata var. occidentalis Summer coralroot Perennial herb  
Corallorhiza striata Striped coral root Perennial herb  
Corethrogyne filaginifolia Common sandaster Perennial herb 9
Corethrogyne filaginifolia var. californica California sandaster Perennial herb 3
Corethrogyne filaginifolia var. filaginifolia Common sandaster Perennial herb 12
Corethrogyne leucophylla Branching beach aster Perennial herb  
Cynoglossum grande Houndstongue Perennial herb 5
Cynoglossum occidentale Hound's tongue Perennial herb  
Cyperus eragrostis Tall cyperus Perennial grass 13
Cyperus esculentus Nut grass Perennial grass  
Cyperus niger Brown cyperus Perennial grass  
Cypripedium fasciculatum Clustered lady's slipper Perennial herb (rhizomatous)  
Cypripedium montanum Mountain lady's slipper Perennial herb (rhizomatous)  
Danthonia californica California oatgrass Perennial grass 21
Danthonia californica var. americana American 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. decorum Coastal larkspur Perennial herb  
Delphinium decorum ssp. tracyi Tracy'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 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. cespitosa Tufted hairgrass Perennial grass 23
Deschampsia cespitosa ssp. holciformis Coastal tufted hair grass Perennial grass 8
Deschampsia elongata Hairgrass Perennial grass 17
Dicentra formosa Pacific bleedinghearts Perennial herb 24
Dicentra formosa ssp. formosa Bleeding heart Perennial herb 2
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 2
Dichelostemma congestum Fork toothed ookow Perennial herb 7
Dichelostemma multiflorum Many flowered brodiaea Perennial herb 6
Dichondra donelliana Dichondra Perennial herb, Vine 5
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 clevelandii Padre's shooting star Perennial herb 8
Dodecatheon clevelandii ssp. patulum Padre's shooting star Perennial herb  
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 farinosa Sea lettuce Perennial herb 17
Echinodorus berteroi Burhead Perennial herb (aquatic)  
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush Perennial grass  
Eleocharis acicularis var. occidentalis Needle spike rush Perennial grass  
Eleocharis macrostachya Spike rush Perennial grass 19
Eleocharis montevidensis Montevideo spike rush Perennial grass 2
Elymus Xgouldii Many flowered wild rye Perennial grass  
Elymus Xhansenii Perennial grass  
Elymus Xvancouverensis Vancouver wild rye Perennial grass  
Elymus californicus California bottle grass Perennial grass 6
Elymus condensatus Giant wild rye Perennial grass 31
Elymus elymoides Squirrel tail grass Perennial grass 14
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 mollis American dune grass Perennial grass 5
Elymus mollis ssp. mollis American dune grass, sea lyme grass Perennial grass 4
Elymus multisetus Big squirreltail grass Perennial grass 12
Elymus pacificus Pacific wild rye Perennial grass  
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  
Epipactis gigantea Stream orchid Perennial herb 16
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. foliosus Thread stemmed fleabane Perennial herb, Shrub  
Erigeron foliosus var. franciscensis San francisco leafy fleabane Perennial herb  
Erigeron glaucus Seaside daisy Perennial herb 41
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 latifolium Coast buckwheat Perennial herb 21
Eriogonum nudum var. decurrens Ben lomond buckwheat Perennial herb  
Eriogonum oblongifolium Coast buckwheat Perennial herb 21
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 latilobum San mateo woolly sunflower Perennial herb  
Eriophyllum staechadifolium Lizard tail Perennial herb 17
Eryngium aristulatum Jepson's button celery Perennial herb 2
Eryngium aristulatum var. aristulatum Jepson's button celery Perennial herb  
Eryngium armatum Coyote thistle Perennial herb  
Eryngium jepsonii Perennial herb  
Erysimum ammophilum Coast wallflower Perennial herb 1
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
Erysimum franciscanum Franciscan wallflower Perennial herb 9
Erythranthe cardinalis Cardinal monkey flower Perennial herb 41
Eschscholzia californica ssp. californica California poppy Perennial herb 3
Eschscholzia procera Kernville poppy Perennial herb 3
Eurybia radulina Roughleaf aster Perennial herb 3
Euthamia occidentalis Western goldenrod Perennial herb 15
Extriplex californica California orach Perennial herb 1
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 rubra ssp. rubra Red fescue Perennial grass 2
Festuca subuliflora Coast range fescue Perennial grass  
Fragaria chiloensis Beach strawberry Perennial herb 36
Fragaria crinita Beach strawberry Perennial herb 34
Fragaria vesca Wild strawberry Perennial herb 35
Frankenia salina Yerba reuma, alkali heath Perennial herb 11
Fritillaria affinis Checker lily Perennial herb (bulb) 7
Fritillaria affinis var. affinis Checker lily Perennial herb (bulb) 4
Fritillaria affinis var. tristulis Coast checker lily Perennial herb (bulb) 4
Fritillaria agrestis Stinkbells Perennial herb (bulb) 1
Fritillaria biflora Chocolate lily Perennial herb 4
Fritillaria biflora var. biflora Chocolate lily Perennial herb (bulb) 4
Fritillaria biflora var. ineziana Hillsborough chocolate lily Perennial herb (bulb) 1
Fritillaria lanceolata var. tristulis Marin checker lily Perennial herb 4
Fritillaria liliacea Fragrant fritillary Perennial herb (bulb) 1
Fritillaria roderickii Roderick's fritillary Perennial herb (bulb) 1
Galium californicum California bedstraw Perennial herb  
Galium californicum ssp. californicum California bedstraw Perennial herb  
Galium nuttallii Climbing bedstraw Perennial herb  
Galium trifidum Three petaled bedstraw Perennial herb  
Galium trifidum ssp. columbianum Threepetal bedstraw Perennial herb  
Galium trifidum var. pacificum Bedstraw Perennial herb  
Gamochaeta ustulata Featherweed Perennial herb 1
Glehnia littoralis American silvertop Perennial herb 1
Glehnia littoralis ssp. leiocarpa American glehnia Perennial herb  
Glyceria occidentalis Waxy mannagrass Perennial grass (aquatic) 2
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  
Gnaphalium leucocephalum White headed cudweed Perennial herb  
Goodyera oblongifolia Rattlesnake plantain Perennial herb 4
Grindelia camporum Gumweed Perennial herb 13
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 hirsutula var. maritima San francisco gumplant Perennial herb 11
Grindelia stricta Gumweed Perennial herb 28
Grindelia stricta var. angustifolia Marsh gumplant Perennial herb 7
Grindelia stricta var. platyphylla Gumplant Perennial herb 16
Grindelia stricta var. stricta Coastal gum plant Perennial herb 4
Helenium bigelovii Bigelow's sneezeweed Perennial herb 8
Helenium puberulum Sneezeweed Perennial herb 10
Helianthella californica California helianthella Perennial herb 5
Helianthella californica var. californica California helianthella Perennial herb  
Helianthella castanea Diablo helianthella Perennial herb 2
Helianthus californicus California sunflower Perennial herb 4
Heliotropium curassavicum Chinese parsley Perennial herb 8
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 2
Hemitomes congestum Gnome plant Perennial herb (mycoparasitic)  
Heracleum lanatum Cow parsnip Perennial herb 20
Heracleum maximum Common cow parsnip Perennial herb 20
Heteranthera dubia Water star grass Perennial herb  
Heterotheca sessiliflora ssp. bolanderi Golden aster Perennial herb 7
Heterotheca sessiliflora ssp. echioides Bristly goldenaster Perennial herb  
Heterotheca villosa var. villosa Hairy goldenaster Perennial herb  
Heuchera maxima Island alumroot Perennial herb (rhizomatous) 27
Heuchera micrantha Alum root Perennial herb 34
Heuchera micrantha var. diversifolia Crevice alumroot Perennial herb 32
Heuchera micrantha var. erubescens Crevice alumroot Perennial herb 31
Heuchera pilosissima Alum root Perennial herb 9
Hieracium albiflorum White flowered hawkweed Perennial herb 1
Hieracium argutum Hawkweed Perennial herb  
Hierochloe occidentalis Western sweetgrass Perennial grass 7
Hoita macrostachya California hemp Perennial herb 6
Hoita orbicularis Creeping leather root Perennial herb 3
Hooveria purpurea 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
Hordeum jubatum ssp. jubatum Foxtail barley, squirreltail barley Perennial grass  
Horkelia bolanderi Bolander's horkelia Perennial herb  
Horkelia californica California horkelia Perennial herb 9
Horkelia californica ssp. californica California horkelia Perennial herb  
Horkelia californica var. californica California horkelia Perennial herb  
Horkelia cuneata Wedge leaved horkelia Perennial herb 5
Horkelia cuneata ssp. cuneata Coast horkelia Perennial herb 1
Horkelia cuneata ssp. sericea Wedge leaved horkelia Perennial herb 1
Horkelia cuneata var. cuneata Wedge leaved horkelia Perennial herb 1
Horkelia cuneata var. sericea Kellogg's horkelia Perennial herb 1
Horkelia marinensis Point reyes horkelia Perennial herb 2
Hosackia gracilis Harlequin lotus Perennial herb 9
Hosackia stipularis Stipulate lotus Perennial herb  
Hosackia stipularis var. stipularis Stipulate lotus Perennial herb  
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hydrocotyle verticillata Whorled marsh pennywort Perennial herb 2
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
Iris missouriensis Western blue flag Perennial herb 25
Iva axillaris Povertyweed Perennial herb  
Jaumea carnosa Marsh jaumea Perennial herb 7
Juncus acuminatus Sharp fruited rush Perennial grass 3
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 bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus confusus Colorado rush Perennial grass  
Juncus effusus Common bog rush Perennial grass 44
Juncus effusus ssp. pacificus Pacific rush Perennial grass 6
Juncus effusus var. brunneus Common bog rush Perennial grass 3
Juncus effusus var. pacificus Pacific bog rush Perennial grass 6
Juncus ensifolius Sword leaved rush Perennial grass 7
Juncus falcatus Falcate rush Perennial grass 1
Juncus falcatus ssp. falcatus Falcate rush Perennial grass  
Juncus falcatus var. falcatus Sickle leafed rush Perennial grass  
Juncus hesperius Coast or bog rush Perennial grass 3
Juncus lescurii Dune rush Perennial grass 2
Juncus lesueurii Dune rush Perennial grass 2
Juncus macrandrus Long anthered rush Perennial grass  
Juncus mexicanus Mexican rush Perennial grass 10
Juncus occidentalis Slender juncus Perennial grass 4
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 hookeri Small groundcone Perennial herb  
Kopsiopsis strobilacea California ground-cone Perennial herb (parasitic)  
Lasthenia californica ssp. macrantha Perennial goldfields Perennial herb 3
Lathyrus jepsonii Tule pea Perennial herb 1
Lathyrus jepsonii var. californicus California tule pea Perennial herb 1
Lathyrus littoralis Beach pea Perennial herb 1
Lathyrus polyphyllus Oregon 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
Lemna gibba Gibbous duckweed Perennial herb  
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna valdiviana Duckweed Perennial herb  
Lessingia filaginifolia Common california aster Perennial herb 17
Lessingia filaginifolia var. californica Beach aster Perennial herb 9
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 8
Lewisia rediviva Bitter root Perennial herb 4
Lewisia rediviva var. rediviva Bitter root Perennial herb  
Leymus Xmultiflorus Many flowered wild rye Perennial grass  
Leymus Xvancouverensis Vancouver wild rye Perennial grass  
Leymus condensatus Giant rye grass Perennial grass 34
Leymus mollis American dunegrass Perennial grass 4
Leymus mollis ssp. mollis American dune grass Perennial grass  
Leymus pacificus Gould's rye grass Perennial grass  
Leymus triticoides Alkali rye Perennial grass 30
Ligusticum apiifolium Celery leaved lovage Perennial herb 2
Lilium maritimum Coast lily Perennial herb (bulb) 1
Lilium pardalinum California tiger lily Perennial herb 23
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 3
Limonium californicum Marsh rosemary Perennial herb 11
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma heterophyllum Woodland star Perennial herb 1
Lomatium californicum Celery weed Perennial herb 4
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium caruifolium var. caruifolium Caraway leaved 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 macrocarpum Large fruited lomatium Perennial herb 2
Lomatium utriculatum Hog fennel Perennial herb 2
Lomatium vaginatum Sheathed lomatium Perennial herb  
Lotus argophyllus Silver birds foot trefoil Perennial herb 1
Lotus benthamii Bentham's deerweed Perennial herb  
Lotus formosissimus Coast lotus Perennial herb 9
Lotus heermannii Heermann's lotus Perennial herb 3
Lotus heermannii var. orbicularis Round leaved heermann's lotus Perennial herb  
Lotus junceus Rush lotus Perennial herb 2
Lotus junceus var. biolettii Bioletti's rush lotus Perennial herb  
Lotus junceus var. junceus Rush 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 peploides ssp. peploides Floating water primrose Perennial herb  
Lupinus formosus Western lupine Perennial herb 6
Lupinus formosus var. formosus Western lupine Perennial herb  
Lupinus latifolius Broad leaf lupine Perennial herb 9
Lupinus latifolius var. columbianus Broad leaved lupine Perennial herb  
Lupinus latifolius var. dudleyi Canyon lupine Perennial herb  
Lupinus latifolius var. latifolius Broad leaf lupine Perennial herb  
Lupinus polyphyllus Bog lupine Perennial herb 27
Lupinus polyphyllus var. pallidipes Pale meadow lupine Perennial herb  
Lupinus polyphyllus var. polyphyllus Meadow lupine Perennial herb 1
Lupinus rivularis Riverbank lupine Perennial herb 8
Lupinus tidestromii Tidestrom's lupine Perennial herb (rhizomatous)  
Lupinus tidestromii var. layneae Layne's lupine Perennial herb (rhizomatous)  
Luzula comosa Hairy wood rush Perennial grass 4
Luzula comosa var. comosa Hairy wood rush Perennial grass  
Luzula multiflora Common woodrush Perennial grass 1
Luzula subsessilis Pacific woodrush Perennial grass 3
Lysichiton americanus Yellow skunk cabbage Perennial herb 8
Lysimachia latifolia Pacific starflower Perennial herb 2
Lythrum californicum Common loosestrife Perennial herb  
Madia madioides Forest madia Perennial herb 1
Maianthemum dilatatum Pacific may lily Perennial herb 11
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
Melica bulbosa Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 25
Melica californica var. californica California melicgrass Perennial grass 2
Melica geyeri Geyer's onion grass Perennial grass  
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
Micranthes californica Greene's saxifrage Perennial herb  
Microseris paludosa Marsh scorzonella Perennial herb 1
Mimulus cardinalis Cardinal monkey flower Perennial herb 41
Moehringia macrophylla Large leaved sandwort 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 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
Montia parvifolia Showy rock montia Perennial herb 4
Muilla maritima Common muilla Perennial herb 1
Myosotis laxa Forget me not Perennial herb  
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Myriophyllum verticillatum Verticillate 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
Oenanthe sarmentosa Water parsley Perennial herb 9
Oenothera elata Evening primrose Perennial herb 16
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. californica Broomrape 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)  
Osmorhiza berteroi Sweet cicely Perennial herb 3
Osmorhiza brachypoda California sweet cicely Perennial herb  
Osmorhiza chilensis Western sweet cicely Perennial herb 3
Osmorhiza purpurea Purple sweet cicely Perennial herb  
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  
Paspalum distichum Knot grass Perennial grass 2
Pedicularis densiflora Indian warrior Perennial herb 1
Pedicularis dudleyi Dudley's lousewort Perennial herb  
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 imbricata Imbricate phacelia Perennial herb 3
Phacelia imbricata ssp. imbricata Imbricate phacelia Perennial herb  
Phacelia imbricata ssp. patula Imbricate phacelia Perennial herb  
Phacelia imbricata var. patula 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 arundinacea Reed canarygrass Perennial grass 8
Phalaris californica Canarygrass Perennial grass 2
Phragmites australis Common reed Perennial grass 1
Phyla nodiflora Common lippia Perennial herb 13
Phyllospadix scouleri Scouler's surfgrass Perennial herb  
Phyllospadix torreyi Surf grass Perennial herb  
Piperia candida White flowered rein orchid Perennial herb  
Piperia elegans Rein orchid Perennial herb  
Piperia elegans ssp. elegans Elegant piperia Perennial herb  
Piperia elongata Dense flowered rein orchid Perennial herb  
Piperia michaelii Michael's rein orchid Perennial herb  
Piperia transversa Mountain piperia Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Plantago maritima Maritime plantain Perennial herb 5
Plantago subnuda Coastal plantain Perennial herb 7
Platanthera dilatata Scentbottle Perennial herb  
Platanthera dilatata var. leucostachys Sierra bog orchid Perennial herb  
Platanthera leucostachys White flowered bog orchid Perennial herb  
Pleuricospora fimbriolata Fringed pinesap Perennial herb (mycoparasitic)  
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 douglasii Sand dune blue grass Perennial grass  
Poa juncifolia Western blue grass Perennial grass 14
Poa kelloggii Redwood blue grass Perennial grass  
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. secunda Sandberg's bluegrass Perennial grass 18
Poa unilateralis Ocean bluff blue grass Perennial grass  
Poa unilateralis ssp. unilateralis San francisco bluegrass Perennial grass  
Polemonium carneum Great polemonium Perennial herb 3
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 hydropiperoides Water pepper Perennial herb  
Polygonum paronychia Dune knotweed Perennial herb 4
Polygonum punctatum Punctate smartweed Perennial herb 4
Potamogeton filiformis Slender leaved pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus ssp. foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus var. foliosus Pondweed Perennial herb (aquatic)  
Potamogeton gramineus Grass leaf pondweed Perennial herb (aquatic)  
Potamogeton illinoensis Pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
Potentilla anserina Silver weed cinquefoil Perennial herb 16
Potentilla anserina ssp. anserina Silver weed cinquefoil Perennial herb 3
Potentilla anserina ssp. pacifica Silverweed Perennial herb 4
Potentilla glandulosa Gland cinquefoil Perennial herb 12
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Potentilla hickmanii Hickman's cinquefoil Perennial herb  
Primula clevelandii Padre's shooting star Perennial herb 7
Primula clevelandii var. patula Padre's shooting star 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. microcephalum Wright's cudweed Perennial herb  
Pseudognaphalium leucocephalum White 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  
Puccinellia californica Sierra nevada alkali grass Perennial grass (rhizomatous)  
Puccinellia grandis Alaska alkali grass Perennial grass  
Puccinellia lemmonii Lemmon's alkali grass Perennial grass  
Puccinellia nutkaensis Alaska alkali grass Perennial grass  
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. capillaceus Threadleaf crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. diffusus white water butter cup 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 californicus var. cuneatus Common buttercup Perennial herb 9
Ranunculus cymbalaria Alkali buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus orthorhynchus Bloomer's buttercup Perennial herb  
Ranunculus orthorhynchus var. bloomeri Bloomer's buttercup Perennial herb  
Romanzoffia californica California romanzoffia Perennial herb 4
Romneya trichocalyx Hairy matilija poppy Perennial herb 1
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rumex californicus California dock Perennial herb  
Rumex crassus Willow leaved dock Perennial herb  
Rumex occidentalis Western dock Perennial herb 1
Rumex salicifolius Willow leaved dock Perennial herb 6
Rumex salicifolius var. crassus Willow leaved dock Perennial herb  
Rumex salicifolius var. denticulatus Smooth valved willow dock Perennial herb  
Rumex salicifolius var. transitorius Willow dock Perennial herb  
Rumex transitorius Willow dock Perennial herb  
Rupertia physodes Common rupertia Perennial herb 1
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Ruppia maritima Ditch grass Perennial herb (aquatic)  
Sagina maxima Stickystem pearlwort Perennial herb  
Sagina maxima ssp. crassicaulis Beach pearlwort Perennial herb  
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
Salvia spathacea Hummingbird sage Perennial herb 38
Sanicula arctopoides Yellow mats Perennial herb  
Sanicula bipinnata Poison sanicle Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 3
Sanicula hoffmannii Hoffmann's 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
Scoliopus bigelovii Slink pod Perennial herb 1
Scrophularia californica California bee plant Perennial herb 30
Scrophularia californica ssp. californica California bee plant Perennial herb 29
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Sedum spathulifolium Pacific stonecrop Perennial herb 28
Sedum stenopetalum Narrow leaf stonecrop Perennial herb 9
Senecio aronicoides Butterweed Perennial herb  
Senecio breweri Brewer's groundsel Perennial herb  
Senecio hydrophilus Alkali marsh ragwort Perennial herb  
Sesuvium verrucosum Western sea purslane Perennial herb  
Setaria gracilis Perennial foxtail Perennial grass  
Setaria parviflora Marsh bristlegrass Perennial grass  
Sidalcea hickmanii Hickman's checkerbloom Perennial herb 3
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 malviflora ssp. malviflora Checker mallow Perennial herb (rhizomatous) 1
Sidalcea malviflora ssp. purpurea Purple checkerbloom Perennial herb (rhizomatous)  
Sidalcea malviflora ssp. rostrata Dwarf checkerbloom Perennial herb  
Silene laciniata Cardinal catchfly Perennial herb 6
Silene laciniata ssp. californica California indian pink Perennial herb 2
Silene scouleri Simple campion Perennial herb 1
Silene scouleri ssp. grandis Scouler's campion Perennial herb  
Silene scouleri ssp. scouleri Simple campion Perennial herb  
Silene verecunda ssp. verecunda Dolores campion Perennial herb  
Sisyrinchium bellum Blue eyed grass Perennial herb 62
Sisyrinchium californicum California golden eyed grass Perennial herb 41
Smilacina racemosa Western false solomon's seal Perennial herb 19
Smilacina stellata Star flowered false solomon's seal Perennial herb 17
Solanum douglasii Douglas' nightshade Perennial herb 4
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 sparsiflora Great basin goldenrod Perennial herb 4
Solidago spathulata Dune goldenrod Perennial herb 6
Solidago spathulata ssp. spathulata Coast goldenrod Perennial herb  
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 ssp. eurycarpum Bur reed Perennial herb 3
Sparganium eurycarpum var. eurycarpum Broadfruit bur reed Perennial herb  
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. macrotheca Sticky sand spurry Perennial herb  
Spiranthes porrifolia Western ladies tresses Perennial herb  
Spiranthes romanzoffiana Ladies' tresses Perennial herb  
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 chamissonis Hedge nettle Perennial herb 7
Stachys mexicana Mexican hedgenettle Perennial herb 1
Stachys pycnantha Short spike hedge nettle Perennial herb 3
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
Stipa cernua Nodding needle grass Perennial grass 23
Stipa lepida Foothill needle grass Perennial grass 24
Stipa pulchra Purple needle grass Perennial grass 42
Stuckenia filiformis Fineleaf pondweed Perennial herb (rhizomatous)  
Stuckenia filiformis ssp. alpina Fineleaf pondweed Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Symphyotrichum chilense Pacific aster Perennial herb 36
Symphyotrichum chilense var. chilense Pacific aster Perennial herb 14
Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster Perennial herb  
Tanacetum bipinnatum Dune tansy Perennial herb 10
Tanacetum camphoratum Dune tansy Perennial herb 10
Taraxia ovata Sun cup Perennial herb 2
Tauschia hartwegii Hartweg's umbrellawort Perennial herb 1
Tauschia kelloggii Kellogg's tauschia Perennial herb  
Tellima grandiflora Fringe cups Perennial herb 30
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
Thermopsis californica California goldenbanner Perennial herb 1
Thermopsis californica var. californica California goldenbanner Perennial herb (rhizomatous)  
Thermopsis macrophylla Santa ynez false lupine Perennial herb 2
Thermopsis macrophylla var. macrophylla Common false lupine Perennial herb (rhizomatous) 2
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 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
Triglochin striata Three ribbed arrow grass Perennial herb (aquatic)  
Trillium albidum Giant white wakerobin Perennial herb 3
Trillium chloropetalum Giant wakerobin Perennial herb 7
Trillium ovatum Western wakerobin Perennial herb 10
Trillium ovatum ssp. ovatum Western wakerobin Perennial herb 2
Trisetum canescens Nodding trisetum Perennial grass  
Trisetum cernuum Nodding oatgrass Perennial grass  
Trisetum cernuum var. projectum Nodding oatgrass Perennial grass  
Triteleia hyacinthina Wild hyacinth Perennial herb 9
Triteleia ixioides Pretty face Perennial herb 7
Triteleia ixioides ssp. ixioides Golden brodiaea Perennial herb 1
Triteleia laxa Ithuriel's spear Perennial herb 12
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. gracilis Nettle Perennial herb  
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Utricularia macrorhiza Common bladderwort Perennial herb  
Vancouveria planipetala Inside out flower Perennial herb 4
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  
Veronica serpyllifolia ssp. humifusa Sprawling 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  
Vicia gigantea Giant vetch Perennial herb 3
Viola adunca Western dog violet Perennial herb 18
Viola adunca ssp. adunca Western dog violet Perennial herb 1
Viola adunca var. adunca Western bog violet Perennial herb 1
Viola adunca var. kirkii Yosemite dog violet Perennial herb 1
Viola glabella Stream violet Perennial herb 10
Viola ocellata Western heart's ease Perennial herb 1
Viola pedunculata California golden violet Perennial herb 1
Viola pedunculata ssp. pedunculata Johnny jump up Perennial herb 1
Viola sempervirens Redwood violet Perennial herb 7
Wolffia columbiana Columbia water meal 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
Xerophyllum tenax Beargrass Perennial herb 10
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 venenosus var. venenosus Death camas Perennial herb  
Zostera marina Eel grass Perennial herb  
  Lifeform: Fern45 plants
Adiantum aleuticum Five finger fern Fern 9
Adiantum jordanii Adiantum Fern 4
Athyrium filix-femina Common ladyfern Fern 19
Athyrium filix-femina ssp. cyclosorum Subarctic ladyfern Fern  
Athyrium filix-femina var. cyclosorum Western lady fern Fern 1
Azolla filiculoides Mosquito fern Fern  
Azolla mexicana Mexican mosquito fern Fern  
Azolla microphylla Mexican mosquito fern Fern  
Blechnum spicant Deer fern Fern 30
Cystopteris fragilis Brittle fern Fern 1
Dryopteris arguta Wood fern Fern 7
Dryopteris expansa Spreading wood fern Fern 4
Equisetum arvense Common horsetail Fern 6
Equisetum hyemale Scouringrush horsetail Fern 31
Equisetum hyemale ssp. affine Giant scouring rush Fern 7
Equisetum hyemale var. affine Scouringrush horsetail Fern 4
Equisetum laevigatum Smooth scouring rush Fern 2
Equisetum palustre Marsh horsetail Fern (rhizomatous) 1
Equisetum telmateia Giant horsetail Fern 3
Equisetum telmateia ssp. braunii Giant horsetail Fern 1
Equisetum telmateia var. braunii Giant horsetail Fern 1
Isoetes howellii Quillwort Fern  
Isoetes nuttallii Nuttall's quillwort Fern  
Marsilea vestita Hairy waterclover Fern 6
Marsilea vestita ssp. vestita Hairy pepperwort Fern 5
Pellaea andromedifolia Coffee fern Fern 3
Pellaea mucronata Bird's foot fern Fern 2
Pellaea mucronata var. mucronata Bird's foot fern Fern  
Pentagramma triangularis Gold back fern Fern 3
Pentagramma triangularis ssp. semipallida Pale gold back fern Fern 3
Pentagramma triangularis ssp. triangularis Gold back fern Fern  
Polypodium californicum California polypody Fern 12
Polypodium calirhiza Licorice fern Fern 3
Polypodium glycyrrhiza Licorice fern Fern 8
Polypodium scouleri Leather fern Fern 8
Polystichum californicum California sword fern Fern  
Polystichum dudleyi Dudley's sword fern Fern  
Polystichum imbricans Narrow leaved sword fern Fern 1
Polystichum imbricans ssp. curtum Cliff sword fern Fern  
Polystichum imbricans ssp. imbricans Rock sword fern Fern  
Polystichum munitum Western sword fern Fern 43
Pteridium aquilinum Western brackenfern Fern 5
Pteridium aquilinum var. pubescens Western bracken fern Fern  
Struthiopteris spicant Deer fern Fern 30
Woodwardia fimbriata Western chain fern Fern 31
  Lifeform: Shrub282 plants
  Lifeform: Tree56 plants
Abies concolor White fir Tree 22
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
Callitropsis abramsiana Santa cruz cypress Tree 2
Callitropsis macrocarpa Monterey cypress Tree 5
Callitropsis stephensonii Arizona cypress Tree 3
Calocedrus decurrens Incense cedar Tree 40
Cupressus abramsiana Santa cruz cypress Tree 3
Cupressus macrocarpa Monterey cypress Tree 24
Cupressus stephensonii Arizona cypress Tree 4
Fraxinus latifolia Oregon ash Tree 29
Hesperocyparis abramsiana Santa cruz cypress Tree 3
Hesperocyparis abramsiana var. abramsiana Santa cruz cypress Tree  
Hesperocyparis abramsiana var. butanoensis Santa cruz cypress Tree 1
Hesperocyparis macrocarpa Monterey cypress Tree 24
Hesperocyparis stephensonii Cuyamaca cypress Tree 21
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 contorta Lodgepole pine Tree 30
Pinus coulteri Coulter pine Tree 13
Pinus jeffreyi Jeffrey pine Tree 17
Pinus ponderosa Yellow pine Tree 29
Pinus radiata Monterey pine Tree 8
Platanus racemosa California sycamore Tree 36
Populus balsamifera ssp. trichocarpa Black cottonwood Tree 27
Populus fremontii Fremont cottonwood Tree 32
Populus fremontii ssp. fremontii Cottonwood Tree 4
Populus trichocarpa Black cottonwood Tree 27
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 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 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
Sequoiadendron giganteum Redwood Tree 19
Taxus brevifolia California yew Tree 11
Torreya californica California nutmeg Tree 9
Umbellularia californica California bay Tree 40
Yucca schidigera Mohave yucca Tree 13
  Lifeform: Vine1 plant
Vicia hassei Hasse's vetch Vine  
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in San Mateo 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.