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Criteria:   found in Santa Cruz County  •   is native  •  group by lifeform
3334  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual1011 plants
  Lifeform: Biennial2 plants
  Lifeform: Perennial1675 plants
Abronia latifolia Yellow sand verbena Perennial herb 2
Abronia maritima Sticky sand verbena Perennial herb 5
Abronia nana ssp. covillei Coville's dwarf abronia Perennial herb  
Abronia umbellata Beach sand verbena Perennial herb 1
Abronia umbellata ssp. breviflora Pink sand verbena Perennial herb  
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 4
Achillea millefolium Yarrow Perennial herb 69
Achnatherum aridum Mormon needle grass Perennial grass  
Achnatherum coronatum Giant needlegrass Perennial grass 7
Achnatherum diegoense San diego county needle grass Perennial grass  
Achnatherum hymenoides Indian rice grass Perennial grass 8
Achnatherum latiglume Sierra needlegrass Perennial grass  
Achnatherum latiglumis Sierra needlegrass Perennial grass  
Achnatherum lemmonii Lemmon's stipa Perennial grass 2
Achnatherum lemmonii ssp. lemmonii Lemmon's needlegrass Perennial grass  
Achnatherum lemmonii ssp. pubescens Pubescent needle grass Perennial grass  
Achnatherum lemmonii var. pubescens Pubescent needlegrass Perennial grass  
Achnatherum lettermanii Letterman stipa Perennial grass 1
Achnatherum nelsonii Columbia needlegrass Perennial grass 1
Achnatherum nelsonii ssp. dorei Mountain needlegrass Perennial grass 1
Achnatherum nevadense Sierra needlegrass Perennial grass  
Achnatherum occidentale Western needlegrass Perennial grass 2
Achnatherum occidentale ssp. californicum California needlegrass Perennial grass  
Achnatherum occidentale ssp. occidentale Western needlegrass Perennial grass  
Achnatherum occidentale ssp. pubescens Elmer's needlegrass Perennial grass  
Achnatherum parishii Parish's needlegrass Perennial grass  
Achnatherum pinetorum Pinewoods needlegrass Perennial grass  
Achnatherum speciosum Desert needlegrass Perennial grass 8
Achnatherum stillmanii Stillman's stipa Perennial grass 1
Achnatherum thurberianum Thurber stipa Perennial grass  
Achnatherum webberi Webber's needlegrass Perennial grass  
Acmispon glaber Deerweed Perennial herb 21
Acmispon glaber var. glaber Deerweed Perennial herb  
Acmispon heermannii Heermann's lotus Perennial herb 4
Acmispon heermannii var. heermannii Heermann's lotus Perennial herb 1
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  
Aconitum columbianum var. howellii Howell's monkshood Perennial herb  
Actaea rubra Baneberry Perennial herb 7
Adenocaulon bicolor Trail plant Perennial herb  
Agoseris apargioides Coast dandelion Perennial herb  
Agoseris apargioides var. eastwoodiae Eastwood's seaside agoseris Perennial herb  
Agoseris elata Tall agoseris Perennial herb  
Agoseris glauca var. agrestis Field short beaked agoseris Perennial herb  
Agoseris glauca var. laciniata False dandelion Perennial herb  
Agoseris glauca var. monticola Mountain 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 exarata var. monolepis Spike bentgrass Perennial grass 5
Agrostis hallii Hall's bent grass Perennial grass 1
Agrostis pallens Diego bent grass Perennial grass 15
Agrostis scabra Rough bentgrass Perennial grass 4
Agrostis scabra var. geminata Rough bentgrass Perennial grass 4
Agrostis thurberiana Thurber's bentgrass Perennial grass  
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allium bisceptrum var. bisceptrum Twin crest onion Perennial herb (bulb)  
Allium unifolium One leaf onion Perennial herb (bulb) 12
Ambrosia bipinnatifida Beach bur Perennial herb 10
Ambrosia chamissonis Silver beachweed Perennial herb 10
Ambrosia psilostachya Ragweed Perennial herb 6
Ambrosia salsola var. fasciculata Burrobrush Perennial herb  
Anaphalis margaritacea Pearly everlasting Perennial herb 17
Anemone grayi Blue windflower Perennial herb  
Anemone oregana Western wood anenome Perennial herb  
Anemone oregana var. oregana Blue windflower Perennial herb  
Angelica tomentosa Woolly angelica Perennial herb 3
Anisocarpus madioides Woodland madia Perennial herb 2
Antennaria lanata Woolly pussy toes Perennial herb  
Anthoxanthum nitens Vanilla grass Perennial grass (rhizomatous) 8
Anthoxanthum nitens ssp. nitens Vanilla grass Perennial grass (rhizomatous) 8
Anthoxanthum occidentale California sweet grass Perennial grass 6
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 10
Aquilegia eximia Vanhoutte's columbine Perennial herb 5
Aquilegia formosa Columbine Perennial herb 54
Arabis Xdivaricarpa Hybrid drummond's rock cress Perennial herb  
Arabis blepharophylla Coast rock cress Perennial herb 6
Arabis bodiensis Bodie hills rock cress Perennial herb  
Arabis breweri Brewer's rock cress Perennial herb 1
Arabis breweri var. austiniae Rebecca austin's rock cress Perennial herb  
Arabis breweri var. breweri Brewer's rock cress Perennial herb  
Arabis breweri var. pecuniaria San bernardino rock cress Perennial herb  
Arabis cobrensis Masonic rock cress Perennial herb  
Arabis constancei Constance's rock cress Perennial herb  
Arabis davidsonii Davidson's rock cress Perennial herb  
Arabis dispar Pinyon rock cress Perennial herb  
Arabis drummondii Drummond's rock cress Perennial herb  
Arabis fernaldiana var. stylosa Stylose rock cress Perennial herb  
Arabis glabra Smooth rock cress Perennial herb  
Arabis glabra var. furcatipilis Smooth rock cress Perennial herb  
Arabis glabra var. glabra Smooth rock cress Perennial herb  
Arabis glaucovalvula Blue podded rock cress Perennial herb  
Arabis hirshbergiae Cuyamaca rockcress Perennial herb  
Arabis hirsuta Hairy rock cress Perennial herb 1
Arabis hirsuta var. glabrata Mountain rock cress Perennial herb  
Arabis hirsuta var. pycnocarpa Hairy fruit rock cress Perennial herb  
Arabis hoffmannii Hoffmann's rock cress Perennial herb  
Arabis holboellii var. pendulocarpa Weeping fruited holboell's rock cress Perennial herb  
Arabis holboellii var. pinetorum Pine rockcress Perennial herb  
Arabis holboellii var. retrofracta Backward splitting holboell's rock cress Perennial herb  
Arabis inyoensis Inyo rock cress Perennial herb  
Arabis johnstonii Johnston's rock cress Perennial herb  
Arabis koehleri Koehler's rockcress Perennial herb  
Arabis koehleri var. stipitata Koehler's stipitate rock cress Perennial herb  
Arabis lemmonii Lemmon's rock cress Perennial herb  
Arabis lemmonii var. depauperata Depauperate rockcress Perennial herb  
Arabis lemmonii var. lemmonii Lemmon's rock cress Perennial herb  
Arabis lyallii Lyall's rock cress Perennial herb 1
Arabis lyallii var. lyallii Lyall's rockcress Perennial herb  
Arabis lyallii var. nubigena Lyall's cloud cress Perennial herb  
Arabis macdonaldiana Mcdonald's rock cress Perennial herb  
Arabis microphylla Littleleaf rockcress Perennial herb  
Arabis microphylla var. microphylla Small leaved rock cress Perennial herb  
Arabis parishii Parish's rock cress Perennial herb  
Arabis pendulina Rabbitear rockcress Perennial herb  
Arabis perennans Rock cress Perennial herb  
Arabis pinzliae Pinzl's rock cress Perennial herb  
Arabis platysperma Broad seeded rock cress Perennial herb  
Arabis platysperma var. howellii Howell's rockcress Perennial herb  
Arabis platysperma var. platysperma Broad seeded rock cress Perennial herb  
Arabis puberula Blue mountain rock cress Perennial herb  
Arabis pulchra Prince s rock cress Perennial herb 2
Arabis pulchra var. gracilis Slender & beautiful rock cress Perennial herb  
Arabis pulchra var. munciensis Darwin rock cress Perennial herb  
Arabis pulchra var. pulchra Beautiful rock cress Perennial herb 2
Arabis pygmaea Tulare county rock cress Perennial herb  
Arabis rectissima Bristlyleaf rockcress Perennial herb  
Arabis rectissima var. rectissima Bristly leaved rock cress Perennial herb  
Arabis repanda var. repanda Repand rock cress Perennial herb  
Arabis rollei Siskiyou rock cress Perennial herb  
Arabis serpentinicola Preston peak rock cress Perennial herb  
Arabis shockleyi Shockley's rock cress Perennial herb  
Arabis sparsiflora Sicklepod rock cress Perennial herb 2
Arabis sparsiflora var. arcuata Elegant rockress Perennial herb  
Arabis sparsiflora var. californica California elegant rock cress Perennial herb 1
Arabis sparsiflora var. sparsiflora Elegant rock cress Perennial herb 2
Arabis sparsiflora var. subvillosa Hairy stemmed elegant rock cress Perennial herb  
Arabis subpinnatifida Klamath rockcress Perennial herb  
Arabis suffrutescens Woody rock cress Perennial herb  
Arabis suffrutescens var. suffrutescens Woody rockcress Perennial herb  
Arabis tiehmii Tiehm's rock cress Perennial herb  
Aralia californica California spikenard Perennial herb 17
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium californicum Sugar pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium cyanocarpum Blue berry dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium divaricatum Western dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium littorum Seashore dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium monticola Mountain dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium occidentale Digger pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium siskiyouense Siskiyou dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. mertensianae Mountain hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arenaria aculeata Prickly sandwort Perennial herb  
Arenaria congesta Capitate sandwort Perennial herb 1
Arenaria congesta var. charlestonensis Charleston mountains sandwort Perennial herb  
Arenaria congesta var. congesta Capitate sandwort Perennial herb  
Arenaria congesta var. crassula Rough sandwort Perennial herb  
Arenaria congesta var. simulans Capitate sandwort Perennial herb  
Arenaria congesta var. subcongesta Capitate sandwort Perennial herb  
Arenaria congesta var. suffrutescens Suffrutescent sandwort Perennial herb  
Arenaria kingii ssp. compacta King's sandwort Perennial herb  
Arenaria kingii var. glabrescens King's smooth sandwort Perennial herb  
Arenaria lanuginosa ssp. saxosa Spreading sandwort Perennial herb  
Arenaria macradenia Sandwort Perennial herb  
Arenaria macradenia ssp. ferrisiae Ferris' sandwort Perennial herb  
Arenaria macradenia var. arcuifolia Desert sandwort Perennial herb  
Arenaria macradenia var. kuschei Forest camp sandwort Perennial herb  
Arenaria macradenia var. macradenia Desert sandwort Perennial herb  
Arenaria paludicola Marsh sandwort Perennial herb  
Arenaria pumicola var. californica Pumice sandwort Perennial herb  
Arenaria ursina Big bear valley sandwort Perennial herb  
Aristida californica var. californica California three aw Perennial grass  
Aristida orcuttiana Orcutt's threeawn Perennial grass  
Armeria maritima Thrift seapink Perennial herb 35
Armeria maritima ssp. californica Sea thrift Perennial herb 7
Arnica Xdiversifolia Rayless arnica Perennial herb  
Arnica amplexicaulis Streambank arnica Perennial herb 3
Arnica chamissonis ssp. foliosa Meadow arnica Perennial herb 5
Arnica cordifolia var. cordifolia Heart leaved arnica Perennial herb  
Arnica cordifolia var. pumila Dwarf heart leaved arnica Perennial herb 1
Arnica discoidea Rayless arnica Perennial herb  
Arnica diversifolia Lawless arnica Perennial herb  
Arnica parryi ssp. parryi Parry's arnica Perennial herb  
Arnica tomentella Recondite arnica Perennial herb 1
Artemisia campestris ssp. borealis Northern sagewort Perennial herb  
Artemisia campestris var. scouleriana Field sagewort Perennial herb  
Artemisia douglasiana California mugwort Perennial herb 35
Artemisia dracunculus Tarragon Perennial herb 12
Artemisia pycnocephala Beach sagewort Perennial herb 27
Arthrocnemum subterminale Parish's glasswort Perennial herb 4
Aruncus dioicus var. pubescens Goats beard Perennial herb 4
Asarum caudatum Creeping wild ginger Perennial herb 40
Asclepias californica ssp. greenei Greene's california milkweed Perennial herb 6
Asclepias cryptoceras ssp. davisii Davis' humboldt mountains milkweed Perennial herb  
Asclepias fascicularis narrow leaf milkweed Perennial herb 32
Asclepias vestita var. parishii Parish's woolly milkweed Perennial herb  
Aster alpigenus var. andersonii Alpine aster Perennial herb 1
Aster ascendens Long leaved aster Perennial herb  
Aster bernardinus San bernardino aster Perennial herb  
Aster breweri Brewer's aster Perennial herb  
Aster brickellioides Rayless leafy aster Perennial herb  
Aster campestris Western meadow aster Perennial herb  
Aster chilensis California aster Perennial herb 37
Aster eatonii Eaton's aster Perennial herb 2
Aster engelmannii Engelmann's aster Perennial herb 2
Aster foliaceus Leafy aster Perennial herb 1
Aster foliaceus var. apricus Parry's leafy aster Perennial herb 1
Aster foliaceus var. lyallii Lyall's leafy aster Perennial herb  
Aster foliaceus var. parryi Parry's aster Perennial herb 1
Aster greatae Greata's aster Perennial herb (rhizomatous)  
Aster integrifolius Entire leaved aster Perennial herb  
Aster lanceolatus ssp. hesperius Western lance leaf aster Perennial herb  
Aster ledophyllus Cascade aster Perennial herb  
Aster lentus Suisun marsh aster Perennial herb (rhizomatous) 2
Aster occidentalis Western mountain aster Perennial herb 1
Aster occidentalis var. occidentalis Western mountain aster Perennial herb  
Aster occidentalis var. yosemitanus Western bog aster Perennial herb  
Aster oregonensis Oregon aster Perennial herb  
Aster pauciflorus Marsh alkali aster Perennial herb  
Aster peirsonii Peirson's oreastrum aster Perennial herb  
Aster radulinus Rough leaved aster Perennial herb 2
Aster scopulorum Lava aster Perennial herb  
Astragalus monoensis var. monoensis Mono milk vetch Perennial herb  
Astragalus monoensis var. ravenii Raven's 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 7
Baccharis douglasii Salt marsh baccharis Perennial herb 16
Baccharis glutinosa Salt Marsh baccharis Perennial herb 29
Bahia dissecta Ragged leaf bahia Perennial herb  
Baileya multiradiata var. multiradiata Wild marigold Perennial herb 19
Balsamorhiza hookeri var. lanata Woolly balsamroot Perennial herb  
Balsamorhiza macrolepis var. macrolepis Big scale balsamroot Perennial herb  
Balsamorhiza macrolepis var. platylepis Flat scale balsam root Perennial herb 1
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens cernua var. cernua Nodding bur marigold Perennial herb  
Bidens laevis Bur marigold Perennial herb 3
Blepharidachne kingii King's eyelash grass Perennial grass 1
Boechera microphylla var. microphylla Small-leaved rock cress Perennial herb  
Bolboschoenus fluviatilis River bulrush Perennial grass 2
Bolboschoenus maritimus Alkali bulrush Perennial grass 15
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 7
Brickellia californica var. californica California brickellbush Perennial herb 2
Brickellia watsonii Watson's brickellia Perennial herb  
Brodiaea californica var. californica California brodiaea Perennial herb 7
Brodiaea californica var. leptandra Sonoma brodiaea Perennial herb 1
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. rosea Indian valley brodiaea Perennial herb (bulb)  
Brodiaea elegans Harvest brodiaea Perennial herb 8
Brodiaea elegans ssp. elegans Harvest brodiaea Perennial herb 1
Brodiaea purdyi Purdy's brodiaea Perennial herb 2
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. terrestris Dwarf brodiaea Perennial herb  
Bromus anomalus Nodding brome Perennial grass 1
Bromus carinatus California bromegrass Perennial grass 22
Bromus carinatus var. carinatus California brome Perennial grass 22
Bromus carinatus var. marginatus Mountain brome Perennial grass 6
Bromus carinatus var. maritimus Seaside brome Perennial grass 1
Bromus ciliatus Fringed bromegrass Perennial grass 2
Bromus ciliatus var. ciliatus Fringed brome Perennial grass 2
Bromus grandis Tall brome Perennial grass  
Bromus marginatus Mountain brome Perennial grass 6
Bromus maritimus Maritime brome Perennial grass 1
Bromus pseudolaevipes Southern chinook brome Perennial grass  
Calamagrostis koelerioides Fire reedgrass Perennial grass  
Calamagrostis nutkaensis Reedgrass Perennial grass 23
Calamagrostis rubescens Pinegrass Perennial grass 1
Callitriche hermaphroditica Northern water starwort Perennial herb  
Callitriche heterophylla Water starwort Perennial herb  
Calochortus albus White fairy lantern Perennial herb 6
Calochortus albus var. albus Fairy lantern Perennial herb 1
Calochortus albus var. rubellus Pink fairy lanterns Perennial herb 6
Calochortus luteus Yellow mariposa Perennial herb 5
Calochortus striatus Alkali mariposa lily Perennial herb (bulb) 1
Calochortus tolmiei Hairy star tulip Perennial herb 5
Calochortus umbellatus Oakland mariposa lily Perennial herb (bulb) 2
Calochortus uniflorus Large flowered star tulip Perennial herb 4
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Calochortus weedii var. vestus Late flowered mariposa lily Perennial herb (bulb) 1
Caltha leptosepala var. biflora Marsh marigold Perennial herb 3
Calypso bulbosa Fairy slipper Perennial herb 1
Calyptridium monospermum One seeded pussypaws Perennial herb  
Calystegia macrostegia Island morning glory Perennial herb, Vine 16
Calystegia occidentalis Bush morning glory Perennial herb 2
Calystegia occidentalis ssp. occidentalis Modoc morning glory Perennial herb  
Calystegia occidentalis var. tomentella Kern 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
Camassia quamash Camas Perennial herb 13
Camassia quamash ssp. breviflora Small camas Perennial herb 1
Camassia quamash ssp. quamash Common camas Perennial herb 3
Camissonia cheiranthifolia Beach evening primrose Perennial herb 12
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening primrose Perennial herb 3
Camissonia cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Camissonia ovata Sun cup Perennial herb 2
Camissonia subacaulis Long leaved suncup Perennial herb  
Camissonia tanacetifolia Tansy leaf evening primrose Perennial herb  
Camissonia tanacetifolia ssp. quadriperforata Sierra valley evening primrose Perennial herb  
Camissonia tanacetifolia ssp. tanacetifolia Tansy leaved suncup Perennial herb  
Camissoniopsis cheiranthifolia Beach evening-primrose Perennial herb 13
Campanula californica Swamp harebell Perennial herb (rhizomatous)  
Campanula prenanthoides Nodding harebell Perennial herb 2
Cardamine breweri Brewer's bitter cress Perennial herb  
Cardamine breweri var. breweri Brewer's bitter cress Perennial herb  
Cardamine breweri var. orbicularis Heart leaved bitter cress Perennial herb  
Cardamine californica Bitter cress Perennial herb  
Cardamine californica var. californica Milk maids Perennial herb  
Cardamine californica var. cardiophylla Milk maids Perennial herb  
Cardamine californica var. cuneata Milk maids Perennial herb  
Cardamine californica var. integrifolia California toothwort Perennial herb  
Cardamine californica var. sinuata Milk maids Perennial herb  
Cardamine cordifolia var. lyallii Lyall's bitter cress Perennial herb  
Cardamine nuttallii Nuttall's toothwort Perennial herb  
Cardamine nuttallii var. covilleana Coville's toothwort Perennial herb  
Cardamine nuttallii var. dissecta Tooth leaved nuttall's toothwort Perennial herb  
Cardamine nuttallii var. nuttallii Nuttall's toothwort Perennial herb  
Cardamine pachystigma var. pachystigma Rock toothwort Perennial herb  
Cardionema ramosissimum Sand mat Perennial herb 2
Carex amplectens Clasping bract sedge Perennial grass 1
Carex amplifolia Ample leaved sedge Perennial grass 2
Carex barbarae Valley sedge Perennial grass 24
Carex bella Southwestern showy sedge Perennial grass  
Carex bolanderi Bolander's sedge Perennial grass  
Carex brevicaulis Short stem sedge Perennial grass  
Carex breweri var. breweri Brewer's sedge Perennial grass  
Carex capitata ssp. capitata Capitate sedge Perennial grass  
Carex comosa Bristly sedge Perennial grass (rhizomatous) 2
Carex constanceana Contance's sedge Perennial grass  
Carex cusickii Cusick's sedge Perennial grass 2
Carex densa Sedge Perennial grass 9
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 9
Carex echinata Bristle fruit sedge Perennial grass 1
Carex echinata ssp. echinata Bristle fruit sedge Perennial grass  
Carex echinata ssp. phyllomanica Star sedge Perennial grass  
Carex eleocharis Spikerush sedge Perennial grass (rhizomatous)  
Carex exsiccata Western inflated sedge Perennial grass 2
Carex garberi Garber's sedge Perennial grass  
Carex gigas Siskiyou sedge Perennial grass (rhizomatous)  
Carex globosa Round fruit sedge Perennial grass 6
Carex gracilior Slender sedge Perennial grass  
Carex gynodynama Olney's hairy sedge Perennial grass  
Carex harfordii Monterey sedge Perennial grass 2
Carex hassei Hasse's sedge Perennial grass  
Carex hendersonii Henderson's sedge Perennial grass  
Carex heteroneura var. epapillosa Smooth nerve sedge Perennial grass  
Carex heteroneura var. heteroneura Vari nerved sedge Perennial grass  
Carex incurviformis var. danaensis Coastal sand sedge Perennial grass (rhizomatous)  
Carex leptopoda Slender-footed sedge Perennial grass 5
Carex luzulina var. ablata American cold loving sedge Perennial grass  
Carex luzulina var. luzulina Wood rush sedge Perennial grass  
Carex nudata Torrent sedge Perennial grass 13
Carex obnupta Slough sedge Perennial grass 17
Carex ovalis Egg sedge Perennial grass 1
Carex pachystachya Thick headed sedge Perennial grass 2
Carex pellita Woolly sedge Perennial grass 7
Carex praegracilis Field sedge Perennial grass 28
Carex pyrenaica Pyrenean sedge Perennial grass  
Carex pyrenaica ssp. pyrenaica Pyrenean sedge Perennial grass  
Carex saliniformis Salt sedge Perennial grass  
Carex schottii Schott's sedge Perennial grass  
Carex scirpoidea var. pseudoscirpoidea Western single spike sedge Perennial grass  
Carex senta Rough sedge Perennial grass 3
Carex serratodens Bifid sedge Perennial grass 3
Carex simulata Short beaked sedge Perennial grass 2
Carex subbracteata Small bract sedge Perennial grass 3
Carex subfusca Brown sedge Perennial grass 7
Carex tumulicola Split awn sedge Perennial grass 24
Carex utriculata Beaked sedge Perennial grass 7
Carex vesicaria var. major Western blister sedge Perennial grass 2
Carex vesicaria var. vesicaria Inflated sedge Perennial grass 2
Castilleja affinis Indian paintbrush Perennial herb 1
Castilleja affinis ssp. affinis Wight's indian paint brush Perennial herb 1
Castilleja angustifolia Desert paintbrush Perennial herb 3
Castilleja foliolosa Texas paintbrush Perennial herb 3
Castilleja gleasonii Mt. gleason indian paintbrush Perennial herb (hemiparasitic)  
Castilleja hispida ssp. brevilobata Short lobed indian paintbrush Perennial herb (hemiparasitic)  
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja lanata ssp. hololeuca White felted indian paintbrush Perennial herb (hemiparasitic)  
Castilleja latifolia Seaside paintbrush Perennial herb (hemiparasitic) 2
Castilleja parviflora Mountain paintbrush Perennial herb  
Castilleja parviflora var. parviflora Smallflower indian paintbrush Perennial herb  
Castilleja subinclusa Franciscan paint brush Perennial herb 1
Castilleja subinclusa ssp. franciscana Franciscan paintbrush Perennial herb  
Castilleja wightii Wight's paintbrush Perennial herb 1
Caulanthus crassicaulis var. crassicaulis Thick stemmed caulanthus Perennial herb  
Caulanthus crassicaulis var. glaber Smooth thick stemmed caulanthus Perennial herb  
Caulanthus major var. major Slender wild cabbage Perennial herb  
Caulostramina jaegeri Jaeger's caulostramina Perennial herb  
Centaurium namophilum var. namophilum Spring loving centaury Perennial herb  
Cephalanthera austiniae Phantom orchid Perennial herb  
Cerastium arvense Meadow chickweed Perennial herb 1
Cerastium arvense ssp. strictum Field chickweed Perennial herb  
Cerastium beeringianum ssp. earlei Bering chickweed Perennial herb 1
Cerastium beeringianum var. capillare Mouse ear chickweed Perennial herb 1
Ceratophyllum demersum Hornwort Perennial herb 1
Chamaesyce albomarginata Rattlesnake weed Perennial herb  
Chamaesyce arizonica Arizona spurge Perennial herb  
Chamaesyce fendleri Fendler's spurge Perennial herb  
Chamaesyce melanadenia Spurge Perennial herb  
Chamaesyce parishii Parish's spurge Perennial herb  
Chamaesyce pediculifera Carrizo mountain spurge Perennial herb  
Chamaesyce polycarpa Small seeded spurge Perennial herb  
Chamaesyce polycarpa var. hirtella Hairy small seeded spurge Perennial herb  
Chamaesyce polycarpa var. polycarpa Small seeded spurge Perennial herb  
Chamaesyce vallis-mortae Death valley spurge Perennial herb  
Chenopodium californicum California goosefoot Perennial herb 1
Chlorogalum pomeridianum Amole Perennial herb 19
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Chrysothamnus albidus White flowered rabbitbrush Perennial herb  
Chrysothamnus gramineus Panamint rock goldenrod Perennial herb  
Chrysothamnus paniculatus Blackbanded rabbit brush Perennial herb 1
Cicuta douglasii Western water hemlock Perennial herb 1
Cicuta maculata Water hemlock Perennial herb 1
Cicuta maculata var. maculata Spotted water hemlock Perennial herb  
Cirsium andersonii Anderson's thistle Perennial herb  
Cirsium brevistylum Indian thistle Perennial herb  
Cirsium canovirens Gray green thistle Perennial herb  
Cirsium congdonii Congdon's thistle Perennial herb  
Cirsium douglasii Swamp thistle Perennial herb 1
Cirsium douglasii var. douglasii Douglas' swamp thistle Perennial herb  
Cirsium loncholepis La graciosa thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. occidentale Cobweb thistle Perennial herb 1
Cirsium occidentale var. venustum Coulter's thistle Perennial herb  
Cirsium subniveum Jackson hole thistle Perennial herb  
Claytonia sibirica Candy flower Perennial herb 8
Clematis lasiantha Pipestem Perennial herb, Vine 28
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Clematis ligusticifolia var. brevifolia Western white clematis Perennial herb, Vine 32
Clematis ligusticifolia var. californica California clematis Perennial herb, Vine 32
Clematis ligusticifolia var. ligusticifolia Western white clematis Perennial herb, Vine 32
Clinopodium douglasii Yerba buena Perennial herb 33
Clintonia andrewsiana Red clintonia Perennial herb 3
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza maculata var. occidentalis Summer coralroot Perennial herb  
Corallorhiza mertensiana Merten's coral root Perennial herb  
Corallorhiza striata Striped coral root Perennial herb  
Corallorhiza striata var. striata Hooded coralroot Perennial herb  
Corallorhiza striata var. vreelandii Striped coral root Perennial herb  
Coreopsis maritima Sea dahlia Perennial herb 6
Corethrogyne filaginifolia Common sandaster Perennial herb 20
Corethrogyne filaginifolia var. californica California sandaster Perennial herb 2
Corethrogyne filaginifolia var. filaginifolia Common sandaster Perennial herb 19
Corethrogyne filaginifolia var. incana San diego sand aster Perennial herb 9
Corethrogyne filaginifolia var. linifolia Del mar mesa sand aster Perennial herb 9
Corethrogyne leucophylla Branching beach aster Perennial herb 9
Cressa truxillensis Alkali weed Perennial herb 3
Cryptantha sobolifera Sierra perennial cryptantha Perennial herb  
Cylindropuntia Xmunzii Munz's cholla Perennial herb (stem succulent) 2
Cynanchum utahense Vine milkweed 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 laevigatus Smooth cyperus Perennial grass  
Cyperus niger Brown cyperus Perennial grass  
Cyperus strigosus Straw colored cyperus Perennial grass 1
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
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 gypsophilum ssp. gypsophilum Gypsum loving larkspur Perennial herb 1
Delphinium hesperium Western larkspur Perennial herb  
Delphinium inflexum Hybrid parry's larkspur Perennial herb 6
Delphinium nudicaule Canyon larkspur Perennial herb 3
Delphinium parryi San bernardino larkspur Perennial herb 1
Delphinium parryi ssp. parryi San bernardino larkspur Perennial herb  
Delphinium patens Spreading larkspur Perennial herb  
Delphinium patens ssp. patens Spreading larkspur Perennial herb  
Delphinium variegatum f. superbum Royal larkspur Perennial herb  
Deschampsia atropurpurea Mountain hair grass Perennial grass 1
Deschampsia cespitosa Tufted hair grass Perennial grass 49
Deschampsia cespitosa ssp. cespitosa Tufted hairgrass Perennial grass 24
Deschampsia cespitosa ssp. holciformis Coastal tufted hair grass Perennial grass 8
Deschampsia elongata Hairgrass Perennial grass 16
Descurainia obtusa ssp. adenophora White tansy mustard Perennial herb  
Dicentra chrysantha Golden eardrops Perennial herb 4
Dicentra formosa Pacific bleedinghearts Perennial herb 24
Dicentra formosa ssp. formosa Bleeding heart Perennial herb 2
Dicentra ochroleuca Yellow bleeding heart Perennial herb  
Dichanthelium lanuginosum var. thermale Geysers dichanthelium Perennial grass  
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 3
Dichondra donelliana Dichondra Perennial herb, Vine 5
Disporum hookeri Fairy bells Perennial herb 11
Disporum smithii Fairy lantern Perennial herb 5
Distichlis spicata Salt grass Perennial grass 25
Ditaxis californica California ditaxis Perennial herb  
Ditaxis clariana Glandular ditaxis Perennial herb  
Dodecatheon alpinum Alpine shooting star Perennial herb 1
Dodecatheon clevelandii Padre's shooting star Perennial herb 9
Dodecatheon clevelandii ssp. clevelandii Cleveland's shooting star Perennial herb  
Dodecatheon clevelandii ssp. insulare Padre's shooting star Perennial herb 2
Dodecatheon clevelandii ssp. patulum Padre's shooting star Perennial herb  
Dodecatheon clevelandii ssp. sanctarum Padre's shooting star Perennial herb  
Dodecatheon conjugens Bonneville shooting star Perennial herb  
Dodecatheon hendersonii Shooting star Perennial herb 10
Dodecatheon jeffreyi Jeffrey's shooting star Perennial herb 3
Dodecatheon pulchellum Dark throated shooting star Perennial herb 6
Dodecatheon redolens Scented shooting star Perennial herb  
Dodecatheon subalpinum Sierra shooting star Perennial herb  
Draba breweri var. breweri Cushion draba Perennial herb  
Draba breweri var. cana Hoary draba Perennial herb  
Draba corrugata var. corrugata Southern california draba Perennial herb  
Draba corrugata var. saxosa Southern california rock draba Perennial herb  
Draba lemmonii var. lemmonii Lemmon's draba Perennial herb  
Draba lonchocarpa var. lonchocarpa Spear fruited draba Perennial herb  
Draba oligosperma var. oligosperma Few seeded draba Perennial herb  
Draba oligosperma var. subsessilis Alpine few seeded draba Perennial herb  
Draba paysonii var. treleasei Trelease's draba Perennial herb  
Drymocallis glandulosa Sticky cinquefoil Perennial herb 11
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. wrangelliana Sticky cinquefoil Perennial herb  
Dudleya abramsii ssp. parva Conejo dudleya Perennial herb  
Dudleya attenuata ssp. orcuttii Orcutt's dudleya Perennial herb 2
Dudleya blochmaniae ssp. brevifolia Short leaved dudleya Perennial herb  
Dudleya caespitosa Sand lettuce Perennial herb 10
Dudleya calcicola Limestone dudleya Perennial herb  
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. costafolia Pierpoint springs dudleya Perennial herb  
Dudleya cymosa ssp. cymosa Canyon dudleya Perennial herb 3
Dudleya farinosa Sea lettuce Perennial herb 16
Dudleya hassei Hasse's dudleya Perennial herb 9
Dudleya lanceolata Southern california dudleya Perennial herb 15
Dudleya pulverulenta ssp. arizonica Arizona chalk dudleya Perennial herb 1
Dudleya pulverulenta ssp. pulverulenta California chalk lettuce Perennial herb 14
Dudleya setchellii Santa clara valley dudleya Perennial herb 2
Dugaldia hoopesii Hoope's sneezeweed Perennial herb 6
Ehrendorferia chrysantha Golden eardrops Perennial herb 4
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush Perennial grass  
Eleocharis acicularis var. bella Beautiful spikerush Perennial grass  
Eleocharis macrostachya Spike rush Perennial grass 19
Eleocharis montevidensis Montevideo spike rush Perennial grass 2
Eleocharis ovata Ovate spikerush Perennial grass 3
Eleocharis palustris Common spikerush Perennial grass 8
Eleocharis parishii Parish's spike rush Perennial grass  
Eleocharis pauciflora Few flowered spike rush Perennial grass  
Eleocharis radicans Creeping spikerush Perennial grass  
Eleocharis rostellata Walking sedge Perennial grass  
Elymus Xhansenii Perennial grass  
Elymus Xvancouverensis Vancouver wild rye Perennial grass  
Elymus californicus California bottle grass Perennial grass 7
Elymus condensatus Giant wild rye Perennial grass 31
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus elymoides ssp. brevifolius Short leaved squirreltail Perennial grass  
Elymus elymoides ssp. californicus California squirreltail Perennial grass  
Elymus elymoides ssp. elymoides Squirreltail Perennial grass  
Elymus elymoides var. elymoides Squirrel tail grass Perennial grass  
Elymus glaucus Blue wildrye Perennial grass 34
Elymus glaucus ssp. glaucus Blue wild rye Perennial grass 3
Elymus glaucus ssp. jepsonii Western rye grass Perennial grass 3
Elymus glaucus ssp. virescens Virginia wildrye Perennial grass  
Elymus mollis American dune grass Perennial grass 9
Elymus mollis ssp. mollis American dune grass, sea lyme grass Perennial grass 5
Elymus multisetus Big squirreltail grass Perennial grass 12
Elymus stebbinsii ssp. stebbinsii Parish wheatgrass Perennial grass  
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus triticoides Beardless wild rye Perennial grass 31
Elytrigia juncea Russian wheatgrass Perennial grass  
Enemion occidentale Western false rue anemone Perennial herb  
Epilobium angustifolium ssp. angustifolium Fireweed Perennial herb 1
Epilobium angustifolium ssp. circumvagum Fireweed Perennial herb 1
Epilobium canum California fuchsia Perennial herb 50
Epilobium canum ssp. canum California fuchsia Perennial herb 11
Epilobium ciliatum Slender willow herb Perennial herb 2
Epilobium ciliatum ssp. ciliatum Willow herb Perennial herb 2
Epilobium ciliatum ssp. watsonii Willow herb Perennial herb  
Epilobium halleanum Hairy willowherb Perennial herb  
Epilobium hallianum Hall's willowherb Perennial herb  
Epilobium latifolium River beauty Perennial herb 3
Epipactis gigantea Stream orchid Perennial herb 15
Erigeron acris Bitter fleabane Perennial herb  
Erigeron angustatus Narrow leaved daisy Perennial herb  
Erigeron austiniae Rebecca austin's fleabane Perennial herb  
Erigeron breweri var. klamathensis Klamath fleabane Perennial herb  
Erigeron compactus var. compactus Cushion daisy Perennial herb  
Erigeron decumbens var. robustior Robust daisy Perennial herb  
Erigeron disparipilus White cushion fleabane Perennial herb  
Erigeron filifolius var. filifolius Thread leaved fleabane Perennial herb  
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. franciscensis San francisco leafy fleabane Perennial herb  
Erigeron glaucus Seaside daisy Perennial herb 38
Erigeron lobatus Lobed fleabane Perennial herb 3
Erigeron nevadincola Nevada daisy Perennial herb  
Erigeron peregrinus Wandering fleabane Perennial herb 3
Erigeron peregrinus var. callianthemus Wandering fleabane Perennial herb  
Erigeron peregrinus var. hirsutus Wandering fleabane Perennial herb  
Erigeron petrophilus Cliff fleabane Perennial herb  
Erigeron petrophilus var. petrophilus Cliff fleabane Perennial herb  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron pumilus ssp. intermedius Shaggy fleabane Perennial herb  
Erigeron pumilus var. gracilior Shaggy fleabane Perennial herb  
Eriogonum beatleyae Beatley's buckwheat Perennial herb  
Eriogonum crosbyae Crosby's buckwheat Perennial herb  
Eriogonum douglasii var. douglasii Douglas' buckwheat Perennial herb  
Eriogonum ericifolium var. thornei Thorne's buckwheat Perennial herb  
Eriogonum inflatum var. deflatum Deflated desert trumpet Perennial herb  
Eriogonum inflatum var. inflatum Desert trumpet Perennial herb  
Eriogonum latifolium Coast buckwheat Perennial herb 23
Eriogonum lobbii var. lobbii Lobb's buckwheat Perennial herb  
Eriogonum nudum var. decurrens Ben lomond buckwheat Perennial herb  
Eriogonum oblongifolium Coast buckwheat Perennial herb 23
Eriogonum ochrocephalum var. alexanderae Alexander's buckwheat Perennial herb  
Eriogonum panamintense var. mensicola Panamint mountain buckwheat Perennial herb, Shrub  
Eriogonum panamintense var. panamintense Panamint mountain buckwheat Perennial herb, Shrub  
Erioneuron pulchellum Fluff grass Perennial grass  
Eriophorum criniger Cotton grass Perennial grass  
Eriophorum crinigerum Fringed cottongrass Perennial grass  
Eriophyllum lanatum Wooly sunflower Perennial herb 27
Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum staechadifolium Lizard tail Perennial herb 18
Eryngium aristulatum Jepson's button celery Perennial herb 2
Eryngium armatum Coyote thistle Perennial herb  
Eryngium pendletonensis Pendleton's eryngo Perennial herb  
Eryngium vaseyi Coyote thistle Perennial herb  
Erysimum ammophilum Coast wallflower Perennial herb 1
Erysimum argillosum Western wallflower Perennial herb  
Erysimum capitatum Wallflower Perennial herb 11
Erysimum capitatum var. bealianum Western wallflower Perennial herb 1
Erysimum capitatum var. capitatum Sanddune wallflower Perennial herb 1
Erysimum capitatum var. perenne Sanddune wallflower Perennial herb  
Erysimum franciscanum Franciscan wallflower Perennial herb 10
Erysimum franciscanum var. crassifolium San francisco wallflower Perennial herb 10
Erysimum insulare ssp. insulare Island wallflower Perennial herb  
Erysimum insulare ssp. suffrutescens Suffrutescent wallflower Perennial herb 4
Erysimum insulare var. grandifolium Island wallflower Perennial herb  
Erysimum menziesii ssp. concinnum Headland wallflower Perennial herb 10
Erysimum menziesii ssp. eurekense Humboldt bay wallflower Perennial herb 6
Erysimum menziesii ssp. menziesii Menzies's wallflower Perennial herb  
Erysimum menziesii ssp. yadonii Yadon's wallflower Perennial herb 6
Erythranthe cardinalis Cardinal monkey flower Perennial herb 42
Erythranthe dentata Tooth leaved monkeyflower Perennial herb 1
Erythranthe inodora Musk monkeyflower Perennial herb 1
Erythranthe ptilota Muskflower Perennial herb  
Erythronium grandiflorum var. pallidum California glacier lily Perennial herb (bulb)  
Erythronium multiscapoideum Sierra fawn lily Perennial herb (bulb) 4
Eschscholzia californica ssp. californica California poppy Perennial herb 3
Eschscholzia procera Kernville poppy Perennial herb 3
Euphorbia incisa Mojave spurge Perennial herb  
Euphorbia palmeri Woodland spurge Perennial herb  
Eurybia radulina Roughleaf aster Perennial herb 2
Euthamia occidentalis Western goldenrod Perennial herb 14
Extriplex californica California orach Perennial herb 1
Fagonia longipes Long leaf fagonia Perennial herb  
Festuca brachyphylla ssp. coloradensis Colorado fescue Perennial grass  
Festuca californica California fescue Perennial grass 48
Festuca californica ssp. californica Perennial grass 6
Festuca californica ssp. hitchcockiana Perennial grass  
Festuca californica ssp. parishii Perennial grass  
Festuca californica var. parishii California fescue Perennial grass  
Festuca elmeri Coast fescue Perennial grass  
Festuca idahoensis Blue fescue Perennial grass 54
Festuca occidentalis Western fescue Perennial grass 8
Festuca roemeri var. klamathensis Idaho fescue Perennial grass 49
Festuca roemeri var. roemeri Perennial grass 49
Festuca rubra Red fescue Perennial grass 39
Festuca rubra ssp. pruinosa Red fescue Perennial grass  
Festuca saximontana var. purpusiana Rocky mountain fescue Perennial grass 1
Festuca subulata Bearded fescue Perennial grass  
Festuca subuliflora Coast range fescue Perennial grass  
Festuca viridula Mountain bunch fescue Perennial grass  
Fragaria chiloensis Beach strawberry Perennial herb 36
Fragaria chiloensis ssp. lucida Beach strawberry Perennial herb 36
Fragaria crinita Beach strawberry Perennial herb 32
Fragaria vesca Wild strawberry Perennial herb 42
Fragaria vesca ssp. bracteata Woodland strawberry Perennial herb 32
Frankenia salina Yerba reuma, alkali heath Perennial herb 11
Fritillaria affinis Checker lily Perennial herb (bulb) 5
Fritillaria affinis var. affinis Checker lily Perennial herb (bulb) 5
Fritillaria affinis var. tristulis Coast checker lily Perennial herb (bulb) 5
Fritillaria liliacea Fragrant fritillary Perennial herb (bulb) 1
Galium ambiguum var. ambiguum Yolla bolly bedstraw Perennial herb  
Galium ambiguum var. siskiyouense Siskiyou bedstraw Perennial herb  
Galium boreale ssp. septentrionale Northern bedstraw Perennial herb  
Galium californicum California bedstraw Perennial herb  
Galium californicum ssp. californicum California bedstraw Perennial herb  
Galium californicum ssp. flaccidum California bedstraw Perennial herb  
Galium mexicanum var. asperulum Mexican 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  
Galium trifidum var. pusillum Small bedstraw Perennial herb  
Galvezia speciosa Island snapdragon Perennial herb, Shrub 31
Gamochaeta ustulata Featherweed Perennial herb  
Geranium concinnum California mountain geranium Perennial herb  
Gilia ripleyi Ripley's gilia Perennial herb  
Glaux maritima Sea milk wort Perennial herb  
Glyceria borealis Northern mannagrass Perennial grass 1
Glyceria davyi Davy mannagrass Perennial grass  
Glyceria occidentalis Waxy mannagrass Perennial grass (aquatic) 2
Gnaphalium canescens Everlasting cudweed Perennial herb 3
Gnaphalium canescens ssp. beneolens Cudweed Perennial herb 1
Gnaphalium canescens ssp. canescens Everlasting cudweed Perennial herb  
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 15
Grindelia camporum var. bracteosa Bract gumweed Perennial herb 14
Grindelia camporum var. camporum Great valley gumweed Perennial herb 15
Grindelia fraxino-pratensis Ash meadows gumplant Perennial herb  
Grindelia hirsutula Gumweed Perennial herb 12
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 14
Grindelia hirsutula var. hallii San diego gumplant Perennial herb  
Grindelia hirsutula var. hirsutula Hairy gumweed Perennial herb 12
Grindelia hirsutula var. maritima San francisco gumplant Perennial herb 12
Grindelia stricta Gumweed Perennial herb 26
Grindelia stricta var. angustifolia Marsh gumplant Perennial herb 6
Grindelia stricta var. platyphylla Gumplant Perennial herb 16
Grindelia stricta var. stricta Coastal gum plant Perennial herb 4
Halimolobos virgata Virgate halimolobos Perennial herb  
Hedeoma nana var. californica California mock pennyroyal Perennial herb  
Hedeoma nanum var. californicum Mock pennyroyal Perennial herb  
Helenium autumnale var. grandiflorum Large flowered autumn sneezeweed Perennial herb 8
Helenium autumnale var. montanum Montane autumn sneezeweed Perennial herb 8
Helenium puberulum Sneezeweed Perennial herb 9
Heliotropium curassavicum Chinese parsley Perennial herb 7
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 1
Heliotropium procumbens var. procumbens Fourspike heliotrope Perennial herb  
Hemitomes congestum Gnome plant Perennial herb (mycoparasitic)  
Heracleum lanatum Cow parsnip Perennial herb 20
Heracleum maximum Common cowparsnip Perennial herb 20
Hesperostipa comata Needle & thread grass Perennial grass 10
Hesperostipa comata ssp. comata Needle & thread grass Perennial grass 1
Hesperostipa comata ssp. intermedia Intermediate needle & thread grass Perennial grass  
Heterotheca sessiliflora ssp. bolanderi Golden aster Perennial herb 6
Heterotheca sessiliflora ssp. echioides Bristly goldenaster Perennial herb  
Heterotheca sessiliflora var. bolanderoides False bolander's goldenaster Perennial herb  
Heterotheca villosa var. hispida Hairy goldenaster Perennial herb  
Heterotheca villosa var. shevockii Shevock's hairy golden aster Perennial herb  
Heterotheca villosa var. villosa Hairy goldenaster Perennial herb 3
Heuchera alpestris Parish's alumroot Perennial herb 2
Heuchera cespitosa Tufted alumroot Perennial herb 2
Heuchera cylindrica var. alpina Alpine alumroot Perennial herb 8
Heuchera duranii Duran's alumroot Perennial herb (rhizomatous)  
Heuchera elegans Urn flowered alumroot Perennial herb (rhizomatous) 4
Heuchera micrantha Alum root Perennial herb 33
Heuchera micrantha var. diversifolia Crevice alumroot Perennial herb 32
Heuchera micrantha var. erubescens Crevice alumroot Perennial herb 31
Heuchera micrantha var. macropetala Crevice alumroot Perennial herb 31
Heuchera micrantha var. micrantha Crevice alumroot Perennial herb 32
Heuchera pilosissima Alum root Perennial herb 8
Heuchera pilosissima var. pilosissima Seaside alumroot Perennial herb 8
Heuchera pringlei Merriam's alumroot Perennial herb 1
Heuchera rubescens var. alpicola Allum root Perennial herb 6
Heuchera rubescens var. glandulosa Pink alumroot Perennial herb 6
Heuchera rubescens var. rydbergiana Pink alumroot Perennial herb 6
Hibiscus denudatus Rocl hibiscus Perennial herb 1
Hieracium albiflorum White flowered hawkweed Perennial herb 2
Hieracium argutum Hawkweed Perennial herb  
Hieracium gracile Alpine hawkweed Perennial herb  
Hieracium scouleri var. nudicaule Naked stemmed scouler's hawkweed Perennial herb  
Hierochloe hirta Northern sweetgrass Perennial grass  
Hierochloe occidentalis Western sweetgrass Perennial grass 6
Hierochloe odorata Vanilla grass Perennial grass (rhizomatous) 8
Hoita macrostachya California hemp Perennial herb 5
Hoita orbicularis Creeping leather root Perennial herb 2
Hoita strobilina Loma prieta psoralea Perennial herb  
Hordeum brachyantherum Meadow barley Perennial grass 25
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Hordeum brachyantherum ssp. californicum Meadow barley Perennial grass 7
Hordeum jubatum Fox tail barley Perennial grass 7
Horkelia californica California horkelia Perennial herb 8
Horkelia californica ssp. californica California horkelia Perennial herb  
Horkelia californica ssp. dissita California horkelia Perennial herb  
Horkelia californica ssp. frondosa California horkelia Perennial herb  
Horkelia californica var. californica California horkelia Perennial herb  
Horkelia congesta ssp. nemorosa Josephine horkelia Perennial herb  
Horkelia cuneata Wedge leaved horkelia Perennial herb 5
Horkelia cuneata ssp. cuneata Coast horkelia Perennial herb 1
Horkelia cuneata ssp. puberula Coast horkelia Perennial herb  
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 fusca ssp. capitata Dark horkelia Perennial herb  
Horkelia fusca ssp. parviflora Dusky horkelia Perennial herb  
Horkelia fusca ssp. tenella Pinewoods horkelia Perennial herb  
Horkelia marinensis Point reyes horkelia Perennial herb 2
Horkelia tridentata ssp. flavescens Three toothed horkelia Perennial herb  
Horkelia tridentata ssp. tridentata Three toothed horkelia Perennial herb  
Hosackia crassifolia Broad leaved lotus Perennial herb 5
Hosackia crassifolia var. crassifolia Broad leaved lotus Perennial herb 2
Hosackia crassifolius Lotus Perennial herb 1
Hosackia crassifolius var. otayensis Otay mountain lotus Perennial herb 1
Hosackia gracilis Harlequin lotus Perennial herb 7
Hosackia oblongifolia Narrow leaved lotus Perennial herb 2
Hosackia oblongifolia var. oblongifolia Narrow leaved lotus Perennial herb 1
Hosackia pinnata Pinnate lotus Perennial herb  
Hosackia stipularis Stipulate lotus Perennial herb  
Hosackia stipularis var. stipularis Stipulate lotus Perennial herb  
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hydrocotyle verticillata Whorled marsh pennywort Perennial herb 2
Hydrophyllum capitatum var. alpinum Woolen breeches Perennial herb  
Hymenoxys acaulis var. arizonica Arizona hymenoxys Perennial herb 1
Hymenoxys cooperi var. canescens Gray cooper's goldflower Perennial herb  
Hymenoxys cooperi var. cooperi Cooper's rubberweed Perennial herb  
Hypericum formosum St john's wort Perennial herb  
Hypericum formosum var. scouleri Scouler's st. john's wort Perennial herb 2
Hypericum scouleri Scouler's st john's wort Perennial herb 2
Ipomopsis aggregata ssp. formosissima Western scarlet gilia Perennial herb  
Ipomopsis congesta ssp. palmifrons Ball headed gilia Perennial herb  
Iris douglasiana Douglas iris Perennial herb 48
Iris fernaldii Fernald's iris Perennial herb 2
Iris macrosiphon Ground iris Perennial herb 9
Isopyrum occidentale Western false rue anemone Perennial herb  
Isopyrum stipitatum Siskiyou rue anemone Perennial herb  
Iva axillaris Povertyweed Perennial herb  
Iva axillaris ssp. robustior Poverty weed Perennial herb  
Ivesia lycopodioides ssp. lycopodioides Clubmoss ivesia Perennial herb  
Ivesia lycopodioides ssp. megalopetala Clubmoss ivesia Perennial herb  
Ivesia lycopodioides ssp. scandularis Clubmoss ivesia Perennial herb  
Jaumea carnosa Marsh jaumea Perennial herb 9
Juncus acuminatus Sharp fruited rush Perennial grass 3
Juncus balticus Wire rush Perennial grass 20
Juncus balticus ssp. ater Baltic rush Perennial grass 1
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus covillei var. covillei Coville's rush Perennial grass  
Juncus covillei var. obtusatus Coville's rush Perennial grass  
Juncus effusus Common bog rush Perennial grass 42
Juncus effusus ssp. pacificus Pacific rush Perennial grass 7
Juncus effusus var. brunneus Common bog rush Perennial grass 3
Juncus effusus var. exiguus Common bog rush Perennial grass  
Juncus effusus var. gracilis Slender common rush Perennial grass  
Juncus effusus var. pacificus Pacific bog 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 longistylis Long styled rush Perennial grass 1
Juncus macrandrus Long anthered rush Perennial grass  
Juncus marginatus var. marginatus Red anthered rush Perennial grass (rhizomatous)  
Juncus mexicanus Mexican rush Perennial grass 11
Juncus occidentalis Slender juncus Perennial grass 4
Juncus oxymeris Pointed rush Perennial grass 1
Juncus patens Rush Perennial grass 47
Juncus phaeocephalus Brown headed rush Perennial grass 10
Juncus phaeocephalus var. paniculatus Rush Perennial grass  
Juncus phaeocephalus var. phaeocephalus Brown headed rush Perennial grass  
Juncus tenuis Slender rush Perennial grass 9
Juncus xiphioides Iris leaved rush Perennial grass 15
Kobresia bellardii Seep kobresia Perennial grass (rhizomatous)  
Koeleria macrantha June grass Perennial grass 29
Kopsiopsis hookeri Small groundcone Perennial herb  
Kopsiopsis strobilacea California ground-cone Perennial herb (parasitic)  
Kumlienia hystricula Waterfall false buttercup Perennial herb  
Lactuca tatarica var. pulchella Blue lettuce Perennial herb  
Lathyrus littoralis Beach pea Perennial herb  
Lathyrus nevadensis ssp. lanceolatus Sierra pea Perennial herb  
Lathyrus nevadensis ssp. nevadensis Sierra pea Perennial herb  
Lathyrus torreyi Redwood pea Perennial herb  
Lathyrus vestitus Common pacific pea Perennial herb 7
Lathyrus vestitus var. alefeldii San diego pea Perennial herb 2
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 turionifera Turion duckweed Perennial herb  
Lemna valdiviana Duckweed Perennial herb  
Lepidium fremontii var. fremontii Desert pepper grass Perennial herb 4
Lepidium fremontii var. stipitatum Desert pepper grass Perennial herb 4
Lepidium montanum var. canescens Mountain pepper grass Perennial herb 1
Lepidium montanum var. cinereum Mountain pepper grass Perennial herb 1
Lepidium montanum var. montanum Mountain pepper grass Perennial herb 1
Lepidium ramosissimum var. bourgeauanum Branched pepper grass Perennial herb  
Leptodactylon jaegeri Jaeger's prickly phlox Perennial herb  
Lesquerella kingii King's bladderpod Perennial herb  
Lesquerella kingii ssp. bernardina San bernardino mtns. bladderpod Perennial herb  
Lesquerella kingii ssp. kingii King's bladderpod Perennial herb  
Lesquerella kingii ssp. latifolia Limestone bladderpod Perennial herb  
Lesquerella occidentalis ssp. occidentalis Western bladder pod Perennial herb  
Lessingia filaginifolia Common california aster Perennial herb 23
Lessingia filaginifolia var. californica Beach aster Perennial herb 9
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 8
Lewisia leana Quill leaved lewisia Perennial herb 2
Leymus Xmultiflorus Many flowered wild rye Perennial grass  
Leymus Xvancouverensis Vancouver wild rye Perennial grass  
Leymus cinereus Giant wild rye Perennial grass 8
Leymus condensatus Giant rye grass Perennial grass 34
Leymus mollis American dunegrass Perennial grass 9
Leymus mollis ssp. mollis American dune grass Perennial grass  
Leymus pacificus Gould's rye grass Perennial grass  
Leymus salinus ssp. mojavensis Mojave wild rye Perennial grass  
Leymus triticoides Alkali rye Perennial grass 32
Ligusticum apiifolium Celery leaved lovage Perennial herb 2
Lilium humboldtii Humboldt's lily Perennial herb 8
Lilium humboldtii ssp. ocellatum Humboldt lily Perennial herb (bulb)  
Lilium pardalinum California tiger lily Perennial herb 24
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 2
Limosella subulata Delta mudwort Perennial herb  
Linanthus floribundus Many flowered linanthus Perennial herb  
Linanthus floribundus ssp. floribundus Many flowered linanthus Perennial herb  
Linanthus floribundus ssp. glaber Smooth many flowered linanthus Perennial herb  
Linanthus floribundus ssp. hallii Santa rosa mtns. linanthus Perennial herb  
Linanthus nuttallii Nuttall's linanthus Perennial herb 2
Linanthus nuttallii ssp. howellii Mt. tedoc linanthus Perennial herb  
Linanthus nuttallii ssp. nuttallii Nuttall's linanthus Perennial herb  
Linanthus nuttallii ssp. pubescens Nuttall's hairy linanthus Perennial herb  
Linanthus pachyphyllus Sierra linanthus Perennial herb  
Linnaea borealis ssp. americana Twinflower Perennial herb 2
Linum lewisii Lewis' flax Perennial herb 35
Linum lewisii var. alpicola Alpine lewis' flax Perennial herb 32
Listera caurina Northwest twayblade Perennial herb  
Listera cordata var. nephrophylla Heartleaf twayblade Perennial herb  
Lithophragma affine Common woodland star Perennial herb 2
Lithophragma heterophyllum Woodland star Perennial herb 1
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium caruifolium var. caruifolium Caraway leaved lomatium Perennial herb  
Lomatium ciliolatum var. ciliolatum Yolla bolly biscuitroot Perennial herb  
Lomatium dasycarpum Lace parsnip Perennial herb 3
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium Perennial herb  
Lomatium donnellii Donnell's biscuitroot Perennial herb  
Lomatium foeniculaceum ssp. macdougallii Desert biscuitroot Perennial herb  
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium parvifolium Small leaved lomatium Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 3
Lotus aboriginus Rose flowered lotus Perennial herb 1
Lotus argophyllus Silver birds foot trefoil Perennial herb 1
Lotus argophyllus var. adsurgens San clemente island bird's foot trefoil Perennial herb  
Lotus argophyllus var. argenteus Channel islands silver lotus Perennial herb 1
Lotus argophyllus var. argophyllus Southern california silver lotus Perennial herb  
Lotus argophyllus var. fremontii Fremont's silver lotus Perennial herb  
Lotus argophyllus var. niveus Santa cruz island silverlotus Perennial herb  
Lotus argyraeus Canyon birdsfoot trefoil Perennial herb  
Lotus argyraeus var. argyraeus Canyon lotus Perennial herb  
Lotus argyraeus var. multicaulis Scrub lotus Perennial herb  
Lotus argyraeus var. notitius Providence mtns. lotus Perennial herb  
Lotus benthamii Bentham's deerweed Perennial herb  
Lotus crassifolius Broad leaved lotus Perennial herb 7
Lotus crassifolius var. crassifolius Broad leaved lotus Perennial herb 2
Lotus crassifolius var. otayensis Otay mtn. lotus Perennial herb 9
Lotus formosissimus Coast lotus Perennial herb 7
Lotus grandiflorus Large leaved lotus Perennial herb 3
Lotus grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Lotus grandiflorus var. macranthus Mountain chaparral lotus Perennial herb  
Lotus haydonii Pygmy lotus Perennial herb  
Lotus heermannii Heermann's lotus Perennial herb 3
Lotus heermannii var. heermannii Heermann's lotus Perennial herb 1
Lotus heermannii var. orbicularis Round leaved heermann's lotus Perennial herb  
Lotus incanus Woolly 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 nevadensis Sierra lotus Perennial herb  
Lotus nevadensis var. davidsonii Davidson's sierra nevada lotus Perennial herb  
Lotus nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Lotus oblongifolius Narrow leaved lotus Perennial herb 1
Lotus oblongifolius var. cupreus Copper flowered bird's foot trefoil Perennial herb  
Lotus oblongifolius var. oblongifolius Narrow leaved lotus Perennial herb 1
Lotus pinnatus Pinnate lotus Perennial herb  
Lotus procumbens Silky california broom Perennial herb, Shrub  
Lotus procumbens var. jepsonii Jepson's california broom Perennial herb, Shrub  
Lotus procumbens var. procumbens Silky california broom Perennial herb, Shrub  
Lotus rigidus Desert lotus Perennial herb  
Lotus scoparius Deerweed Perennial herb 21
Lotus scoparius var. brevialatus Short winged deerweed Perennial herb  
Lotus scoparius var. scoparius Deerweed Perennial herb  
Lotus stipularis Stipulate lotus Perennial herb  
Lotus stipularis var. ottleyi Ottley's stipulate lotus Perennial herb  
Lotus stipularis var. stipularis Stipulate lotus Perennial herb  
Lotus yollabolliensis Yolla bolly mtns. bird's foot trefoil Perennial herb 1
Ludwigia palustris Marsh purslane Perennial herb (aquatic)  
Ludwigia peploides ! Marsh purslane Perennial herb 1
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Lupinus albicaulis var. albicaulis Sicklekeel lupine 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. dudleyi Canyon lupine Perennial herb  
Lupinus latifolius var. latifolius Broad leaf lupine Perennial herb  
Lupinus polyphyllus Bog lupine Perennial herb 25
Lupinus polyphyllus var. burkei Large leaved lupine Perennial herb 4
Lupinus polyphyllus var. polyphyllus Meadow lupine Perennial herb 1
Lupinus rivularis Riverbank lupine Perennial herb 8
Lupinus tidestromii var. layneae Layne's lupine Perennial herb (rhizomatous)  
Lupinus tidestromii var. tidestromii Tidestrom's lupine Perennial herb (rhizomatous)  
Luzula comosa Hairy wood rush Perennial grass 4
Luzula comosa var. comosa Hairy wood rush Perennial grass  
Luzula comosa var. laxa Hairy wood rush Perennial grass 3
Luzula subsessilis Pacific woodrush Perennial grass 3
Lycurus setosus Bristly wolfstail Perennial grass 2
Lyrocarpa coulteri var. palmeri Coulter's lyrepod Perennial herb  
Lysichiton americanus Yellow skunk cabbage Perennial herb 8
Lysimachia latifolia Pacific starflower Perennial herb 2
Machaeranthera asteroides Hoary aster Perennial herb  
Machaeranthera asteroides var. asteroides Hoary aster Perennial herb  
Machaeranthera asteroides var. lagunensis Laguna mtns. aster Perennial herb  
Machaeranthera canescens Hoary aster Perennial herb 1
Machaeranthera canescens var. canescens Hoary aster Perennial herb  
Machaeranthera canescens var. incana Hoary aster Perennial herb  
Machaeranthera canescens var. leucanthemifolia Hoary aster Perennial herb  
Machaeranthera canescens var. shastensis Shasta aster Perennial herb  
Machaeranthera canescens var. ziegleri Ziegler's aster Perennial herb  
Machaeranthera juncea Rush like bristleweed Perennial herb  
Machaeranthera pinnatifida var. gooddingii Goodding's aster Perennial herb  
Madia bolanderi Bolander's tarweed Perennial herb  
Madia madioides Forest madia Perennial herb 2
Maianthemum racemosum Feathery false lily of the valley Perennial herb 18
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley Perennial herb 2
Maianthemum stellatum Starry false lily of the valley Perennial herb 16
Malacothrix saxatilis Cliff aster Perennial herb 6
Malacothrix saxatilis var. tenuifolia Short leaved cliff aster Perennial herb 1
Malaxis monophyllos ssp. brachypoda Adder's mouth Perennial herb (bulb)  
Malvella leprosa Alkali mallow Perennial herb 3
Marah fabacea California man-root Perennial herb, Vine 3
Marah fabaceus Manroot Perennial herb, Vine 3
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 2
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 2
Marah horridus Sierran wild cucumber Perennial herb, Vine  
Marah macrocarpus Southern wild cucumber Perennial herb, Vine 5
Marah macrocarpus var. macrocarpus Southern wild cucumber Perennial herb, Vine 1
Marah macrocarpus var. major Southern wild cucumber Perennial herb, Vine 1
Marah oregana Coast man-root Perennial herb, Vine 2
Marah oreganus Manroot Perennial herb, Vine 2
Maurandya antirrhiniflora ssp. antirrhiniflora Violet twining snapdragon Perennial herb 2
Maurandya petrophila Rock haurandya Perennial herb  
Melica bulbosa var. inflata Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 25
Melica californica var. californica California melicgrass Perennial grass 1
Melica geyeri Geyer's onion grass Perennial grass  
Melica geyeri var. aristulata Geyer's onion grass Perennial grass  
Melica geyeri var. geyeri Geyer's oniongrass Perennial grass  
Melica harfordii Harford's melic Perennial grass 2
Melica imperfecta Coast range melic Perennial grass 22
Melica stricta var. albicaulis Nodding melica Perennial grass  
Melica subulata Alaska melic Perennial grass 1
Melica torreyana Torrey's melica Perennial grass 11
Menodora scoparia Broom tvinberry Perennial herb 2
Mentha arvensis American wild mint Perennial herb 5
Mentha canadensis Wild mint Perennial herb 5
Mentzelia multiflora ssp. longiloba Many flowered mentzelia Perennial herb  
Mentzelia multiflora var. longiloba Adonis blazingstar Perennial herb  
Micranthes californica Greene's saxifrage Perennial herb  
Microseris laciniata var. siskiyouensis Cutleaf silverpuffs Perennial herb  
Microseris paludosa Marsh scorzonella Perennial herb  
Mimulus cardinalis Cardinal monkey flower Perennial herb 42
Mimulus glabratus var. glabratus Roundleaf monkeyflower Perennial herb (rhizomatous)  
Mimulus moschatus Musk monkeyflower Perennial herb 1
Mimulus moschatus var. longiflorus Muskflower Perennial herb  
Mimulus moschatus var. moschatus Muskflower Perennial herb  
Mimulus moschatus var. sessilifolius Muskflower Perennial herb  
Mimulus primuloides ssp. linearifolius Primrose monkeyflower Perennial herb 2
Mimulus primuloides ssp. primuloides Primrose monkeyflower Perennial herb  
Mimulus primuloides var. pilosellus Primrose monkeyflower Perennial herb  
Mimulus tilingii var. tilingii Tiling's monkeyflower Perennial herb  
Minuartia nuttallii Nuttall sandwort Perennial herb  
Minuartia nuttallii ssp. fragilis Brittle sandwort Perennial herb  
Minuartia nuttallii ssp. gracilis Nuttall's sandwort Perennial herb  
Minuartia nuttallii ssp. gregaria Gregarious sandwort Perennial herb  
Minuartia nuttallii var. gracilis Nuttall sandwort Perennial herb  
Mirabilis bigelovii Bigelow's desert four o'clock Perennial herb 3
Mirabilis bigelovii var. bigelovii Pale stemmed four o clock Perennial herb 1
Mirabilis bigelovii var. retrorsa Wishbone Perennial herb  
Mirabilis californica Wishbone bush Perennial herb 12
Mirabilis comata Hairy tuft four o'clock Perennial herb  
Mirabilis laevis var. laevis Desert wishbone bush Perennial herb  
Mirabilis oblongifolia Oblong leafed four o'clock Perennial herb 1
Mirabilis pumila Little umbrella wort Perennial herb  
Mitella breweri Brewer's miterwort Perennial herb  
Mitella caulescens Stemmed miterwort Perennial herb  
Mitella diversifolia Angle leafed miterwort Perennial herb  
Mitella ovalis Coastal miterwort Perennial herb 2
Mitella pentandra Alpine bishop's cap Perennial herb 1
Mitella trifida Three parted miterwort Perennial herb  
Monanthochloe littoralis Salt cedar Perennial grass 1
Monardella antonina San antonio hills monardella Perennial herb (rhizomatous) 24
Monardella australis ssp. jokersti Jokerstís monardella Perennial herb  
Monardella cinerea Gray monardella Perennial herb (rhizomatous)  
Monardella crispa Crisp monardella Perennial herb (rhizomatous) 1
Monardella frutescens San luis obispo monardella Perennial herb (rhizomatous)  
Monardella glauca Grey monardella Perennial herb 1
Monardella linoides ssp. viminea Willowy monardella Perennial herb 7
Monardella nana ssp. arida Desert monardella Perennial herb 1
Monardella nana ssp. nana Little monardella Perennial herb  
Monardella nana ssp. tenuiflora Short flowered monardella Perennial herb  
Monardella odoratissima Mountain monardella Perennial herb 20
Monardella odoratissima ssp. pallida Pale mountain monardella Perennial herb  
Monardella odoratissima ssp. parvifolia Matted mountain monardella Perennial herb  
Monardella rubella Grey monardella Perennial herb  
Monardella siskiyouensis Siskiyou coyote mint Perennial herb 2
Monardella villosa Coyote mint Perennial herb 25
Monardella villosa ssp. franciscana San Francisco coyote mint Perennial herb 3
Monardella villosa ssp. globosa Robust monardella Perennial herb (rhizomatous) 2
Monardella villosa ssp. villosa Coyote mint Perennial herb 3
Monardella villosa var. subglabra Coyote mint Perennial herb 2
Monardella viridis ssp. saxicola Rock monardella Perennial herb (rhizomatous)  
Monardella viridis ssp. viridis Green monardella Perennial herb (rhizomatous)  
Montia parvifolia Showy rock montia Perennial herb 4
Muhlenbergia dumosa Bamboo muhly Perennial grass 7
Muhlenbergia thurberi Thurber's muhly Perennial grass  
Muilla clevelandii San diego goldenstar Perennial herb (bulb)  
Muilla maritima Common muilla Perennial herb  
Myosotis laxa Forget me not Perennial herb  
Nama lobbii Lobb's nama Perennial herb 1
Nassella cernua Nodding needlegrass Perennial grass 23
Nassella lepida Small flowered stipa Perennial grass 27
Nassella pulchra Purple needlegrass Perennial grass 41
Nasturtium gambelii Gambel's yellowcress Perennial herb  
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nuphar luteum ssp. polysepalum Indian pond lily Perennial herb (aquatic)  
Oenanthe sarmentosa Water parsley Perennial herb 8
Oenothera caespitosa ssp. marginata Large white desert primrose Perennial herb  
Oenothera elata Evening primrose Perennial herb 17
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 16
Oenothera flava ssp. flava Dandelion evening primrose Perennial herb  
Oenothera villosa Hairy evening primrose Perennial herb  
Oenothera villosa ssp. strigosa Hairy evening primrose Perennial herb 18
Opuntia californica var. californica Snake cholla Perennial herb (stem succulent) 5
Opuntia munzii Munz's cholla Perennial herb (stem succulent) 2
Orobanche bulbosa Chaparral broomrape Perennial herb (parasitic)  
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. californica Broomrape Perennial herb (parasitic)  
Orobanche fasciculata Clustered broomrape Perennial herb (parasitic)  
Orobanche pinorum Pinewoods broom rape Perennial herb (parasitic)  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Oryzopsis exigua Little ricegrass Perennial grass  
Osmorhiza berteroi Sweet cicely Perennial herb 3
Osmorhiza brachypoda California sweet cicely Perennial herb  
Osmorhiza chilensis Western sweet cicely Perennial herb 3
Oxalis albicans ssp. californica Californica wood sorrel 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 32
Oxytenia acerosa Copperweed Perennial herb  
Panicum acuminatum Western witch grass Perennial grass  
Panicum acuminatum var. fasciculatum Pacific panic grass Perennial grass  
Parnassia californica Grass of parnassus Perennial herb  
Parnassia palustris Marsh grass of parnassus Perennial herb  
Parnassia palustris var. montanensis Mountain grass of parnassus Perennial herb  
Pascopyrum smithii Western wheat grass Perennial grass 4
Paspalum distichum Knot grass Perennial grass 2
Pedicularis densiflora Indian warrior Perennial herb 1
Pedicularis dudleyi Dudley's lousewort Perennial herb  
Pedicularis groenlandica var. surrecta Elephant head lousewort Perennial herb 2
Pedicularis racemosa ssp. racemosa Sickletop lousewort Perennial herb  
Penstemon deustus Rock penstemon Perennial herb 2
Penstemon humilis ssp. humilis Low beardtongue Perennial herb  
Penstemon rattanii Rattan's beardtongue Perennial herb  
Penstemon rattanii var. kleei Santa cruz mtns. beardtongue Perennial herb  
Penstemon spectabilis var. subviscosis Showy penstemon 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
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 2
Petasites frigidus var. palmatus Western coltsfoot Perennial herb 9
Phacelia californica Rock phacelia Perennial herb 15
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia dalesiana Scott mtn. phacelia Perennial herb  
Phacelia hastata ssp. compacta Timberline phacelia Perennial herb  
Phacelia hastata ssp. hastata Mountain phacelia Perennial herb  
Phacelia heterophylla ssp. virgata Varied leaf phacelia Perennial herb  
Phacelia imbricata Imbricate phacelia Perennial herb 4
Phacelia imbricata ssp. imbricata Imbricate phacelia Perennial herb  
Phacelia imbricata ssp. patula Imbricate phacelia Perennial herb  
Phacelia mutabilis Changeable phacelia Perennial herb  
Phacelia nemoralis Woods phacelia Perennial herb  
Phacelia nemoralis ssp. nemoralis Woods phacelia Perennial herb  
Phacelia nemoralis ssp. oregonensis Oregon woods phacelia Perennial herb  
Phacelia nemoralis var. nemoralis Woods phacelia Perennial herb  
Phacelia oreopola ssp. oreopola San gabriel mtns. imbricate phacelia Perennial herb  
Phacelia ramosissima Branching phacelia Perennial herb 4
Phacelia ramosissima var. eremophila Branching phacelia Perennial herb 4
Phacelia ramosissima var. latifolia Branching phacelia Perennial herb 4
Phacelia ramosissima var. montereyensis Monterey branching phacelia Perennial herb 4
Phacelia ramosissima var. ramosissima Branching phacelia Perennial herb 4
Phacelia ramosissima var. subglabra Branching phacelia Perennial herb 4
Phacelia sericea ssp. ciliosa Silky phacelia Perennial herb  
Phalacroseris bolanderi var. bolanderi Bolander's mock dandelion Perennial herb  
Phalacroseris bolanderi var. coronata Bolander's mock dandelion Perennial herb  
Phalaris arundinacea var. picta Ribbongrass Perennial grass 8
Phalaris californica Canarygrass Perennial grass 2
Phlox douglasii ssp. rigida Stiff douglas' phlox Perennial herb 1
Phlox hoodii ssp. lanata Carpet phlox Perennial herb  
Phlox hoodii ssp. muscoides Musk phlox Perennial herb 1
Phlox longifolia ssp. brevifolia Longleaf phlox Perennial herb  
Phlox longifolia ssp. longifolia Longleaf phlox Perennial herb  
Phlox speciosa ssp. nitida Showy phlox Perennial herb  
Phlox speciosa ssp. occidentalis Western showy phlox Perennial herb  
Phlox viridis ssp. compacta Green phlox Perennial herb  
Phoradendron densum Dense mistletoe Perennial herb  
Phoradendron pauciflorum Fir mistletoe Perennial herb  
Phragmites australis ssp. americanus Perennial grass  
Phragmites australis ssp. berlandieri Perennial grass  
Phyla nodiflora Common lippia Perennial herb 11
Phyla nodiflora var. incisa Common lippia Perennial herb 10
Phyla nodiflora var. nodiflora Common lippia Perennial herb 10
Phyla nodiflora var. rosea Garden lippia Perennial herb 10
Phyllospadix scouleri Scouler's surfgrass Perennial herb  
Phyllospadix torreyi Surf grass Perennial herb  
Pinguicula macroceras var. macroceras California butterwort Perennial herb (carnivorous)  
Pinguicula vulgaris ssp. macroceras Horned butterwort Perennial herb (carnivorous)  
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  
Piperia yadonii Yadon's rein orchid Perennial herb  
Piptatherum exiguum Little ricegrass Perennial grass  
Piptatherum micranthum Small flowered rice grass Perennial grass  
Pityopus californica Pityopus Perennial herb (mycoparasitic)  
Plantago maritima Maritime plantain Perennial herb 4
Plantago maritima var. juncoides Rush like maritime plantain Perennial herb 4
Plantago subnuda Coastal plantain Perennial herb 6
Platanthera hyperborea Green flowered bog orchid Perennial herb  
Platanthera leucostachys White flowered bog orchid Perennial herb  
Pleuraphis jamesii Galleta Perennial grass 9
Pleuraphis rigida Galletta grass Perennial grass 7
Pleuricospora fimbriolata Fringed pinesap Perennial herb (mycoparasitic)  
Pleuropogon davyi Davy's semaphore grass Perennial grass (rhizomatous)  
Poa ampla Western blue grass Perennial grass 14
Poa douglasii Sand dune blue grass Perennial grass  
Poa juncifolia Western blue grass Perennial grass 13
Poa kelloggii Redwood blue grass Perennial grass  
Poa nevadensis Sierra blue grass Perennial grass 13
Poa pattersonii Patterson's blue grass Perennial grass  
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 17
Poa unilateralis Ocean bluff blue grass Perennial grass  
Poa unilateralis ssp. unilateralis San francisco bluegrass Perennial grass  
Polemonium occidentale ssp. occidentale Western polemonium Perennial herb 2
Polyctenium fremontii var. confertum Flat pod polyctenium Perennial herb  
Polygala californica Milkwort Perennial herb  
Polygala cornuta Sierra milkwort Perennial herb  
Polygala cornuta var. 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 bistortoides Western knotweed Perennial herb  
Polygonum davisiae Davis knotweed Perennial herb  
Polygonum hydropiperoides Water pepper Perennial herb  
Polygonum newberryi Newberry's smartweed Perennial herb  
Polygonum paronychia Dune knotweed Perennial herb 4
Polygonum phytolaccifolium Pokeweed knotweed Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Potamogeton alpinus ssp. tenuifolius Alpine pondweed Perennial herb (aquatic)  
Potamogeton epihydrus ssp. nuttallii Nuttall's pondweed Perennial herb (rhizomatous)  
Potamogeton filiformis Slender leaved pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus var. fibrillosus Fibrous pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus var. foliosus Pondweed Perennial herb (aquatic)  
Potamogeton latifolius Nevada pondweed Perennial herb (aquatic)  
Potamogeton natans Floating leaved pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. tenuissimus Narrow leaved pondweed Perennial herb (aquatic)  
Potentilla anserina Silver weed cinquefoil Perennial herb 15
Potentilla anserina ssp. pacifica Silverweed Perennial herb 4
Potentilla diversifolia Varileaf cinquefoil Perennial herb  
Potentilla diversifolia var. diversifolia Varileaf cinquefoil Perennial herb  
Potentilla drummondii ssp. breweri Brewer's cinquefoil Perennial herb 1
Potentilla drummondii ssp. bruceae Bruce's cinquefoil Perennial herb 1
Potentilla drummondii ssp. drummondii Drummond's cinquefoil Perennial herb 2
Potentilla glandulosa Gland cinquefoil Perennial herb 12
Potentilla glandulosa ssp. ashlandica Mountain cinquefoil Perennial herb  
Potentilla glandulosa ssp. ewanii Ewan's cinquefoil Perennial herb  
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Potentilla glandulosa ssp. globosa Common cinquefoil Perennial herb  
Potentilla glandulosa ssp. hansenii Hansen's cinquefoil Perennial herb  
Potentilla glandulosa ssp. nevadensis Nevada cinquefoil Perennial herb  
Potentilla glandulosa ssp. pseudorupestris False rock loving cinquefoil Perennial herb 1
Potentilla glandulosa ssp. reflexa Sticky cinquefoil Perennial herb  
Potentilla gracilis var. pulcherrima White leaved cinquefoil Perennial herb  
Potentilla palustris Marsh cinquefoil Perennial herb 5
Potentilla pensylvanica var. ovium Pennsylvania cinquefoil Perennial herb  
Potentilla pensylvanica var. pensylvanica Pennsylvania cinquefoil Perennial herb  
Potentilla pensylvanica var. strigosa Pennsylvania cinquefoil Perennial herb  
Primula clevelandii Padre's shooting star Perennial herb 8
Primula clevelandii var. gracilis Padre's shooting star Perennial herb  
Primula hendersonii Mosquito bill Perennial herb 10
Prosartes hookeri Drops of gold Perennial herb 11
Prosartes hookeri var. hookeri Drops of gold Perennial herb 6
Prosartes hookeri var. parvifolia Drops of gold Perennial herb  
Prosartes hookeri var. trachyandra Drops of gold Perennial herb 6
Prosartes smithii Largeflower fairybells Perennial herb 5
Prunella vulgaris Self heal Perennial herb 18
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 7
Pseudognaphalium beneolens Cudweed Perennial herb 1
Pseudognaphalium biolettii Two-color rabbit-tobacco Perennial herb 5
Pseudognaphalium canescens Wright's cudweed Perennial herb 2
Pseudognaphalium canescens ssp. beneolens Wright's cudweed Perennial herb 1
Pseudognaphalium canescens ssp. canescens Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. microcephalum Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. thermale Wright's cudweed Perennial herb  
Pseudognaphalium leucocephalum White cudweed Perennial herb  
Pseudognaphalium microcephalum Wright's cudweed Perennial herb 3
Pseudognaphalium stramineum Cottonbatting plant Perennial herb 3
Pseudoroegneria spicata ssp. spicata Bent grass Perennial grass 3
Psoralidium lanceolatum Scurf pea Perennial herb  
Ptilagrostis kingii King's ricegrass Perennial grass  
Puccinellia californica Sierra nevada alkali grass Perennial grass (rhizomatous)  
Puccinellia grandis Alaska alkali grass Perennial grass  
Pyrola aphylla Leafless wintergreen Perennial herb  
Pyrola picta White veined shinleaf Perennial herb  
Raillardiopsis muirii Muir's raillardella Perennial herb (rhizomatous)  
Raillardiopsis scabrida Scabrid raillardella Perennial herb  
Ranunculus aquatilis var. capillaceus Threadleaf crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. hispidulus White water crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. subrigidus Longbeak buttercup Perennial herb (aquatic)  
Ranunculus aquatilus var. subrigidus 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 var. saximontanus Rocky mountain buttercup Perennial herb  
Rhynchospora globularis var. globularis Round headed beaked rush Perennial grass (rhizomatous)  
Romanzoffia californica California romanzoffia Perennial herb 4
Rorippa gambelii Gambel's water cress Perennial herb (rhizomatous)  
Rorippa gambellii Gambel's yellowcress Perennial herb (rhizomatous)  
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rudbeckia californica var. californica California cone flower Perennial herb 5
Rudbeckia californica var. glauca Serpentine cone flower Perennial herb  
Rudbeckia californica var. intermedia California cone flower Perennial herb  
Rudbeckia occidentalis var. occidentalis Western cone flower Perennial herb 10
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. lacustris Lake dock Perennial herb (aquatic)  
Rumex salicifolius var. salicifolius Willow dock Perennial herb 6
Rumex salicifolius var. transitorius Willow dock Perennial herb  
Rumex salicifolius var. triangulivalvis Willow dock Perennial herb  
Rumex transitorius Willow dock Perennial herb  
Rupertia physodes Common rupertia Perennial herb 2
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Sagina maxima Stickystem pearlwort Perennial herb  
Sagittaria latifolia Broad leaf arrowhead Perennial herb (aquatic) 11
Salicornia pacifica Pickleweed Perennial herb 10
Salicornia subterminalis Parish's glasswort Perennial herb 4
Sanguisorba officinalis ssp. microcephala Great burnet Perennial herb (rhizomatous) 2
Sanicula arctopoides Yellow mats Perennial herb 1
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 2
Sanicula hoffmannii Hoffmann's sanicle Perennial herb  
Sanicula laciniata Coast sanicle Perennial herb  
Sarcostemma cynanchoides ssp. hartwegii Climbing milkweed Perennial herb, Vine 1
Sarcostemma hirtellum Rambling milkweed Perennial herb, Vine  
Satureja chandleri San miguel savory Perennial herb 6
Satureja douglasii Yerba buena Perennial herb 33
Satureja mimuloides Monkey flower savory Perennial herb 6
Saxifraga aprica Sierra saxifrage Perennial herb  
Saxifraga californica Greene's saxifrage Perennial herb  
Saxifraga fallax California saxifrage Perennial herb  
Saxifraga ferruginea Rusty hair saxifrage Perennial herb  
Saxifraga ferruginea var. ferruginea Russethair saxifrage Perennial herb  
Saxifraga ferruginea var. macounii Rusty hair saxifrage Perennial herb  
Saxifraga howellii Howell's saxifrage Perennial herb (rhizomatous)  
Saxifraga integrifolia Smooth leaf saxifrage Perennial herb  
Saxifraga marshallii Marshall's saxifrage Perennial herb  
Saxifraga nidifica Peak saxifrage Perennial herb  
Saxifraga nidifica var. nidifica Peak saifrage Perennial herb  
Saxifraga nuttallii Nuttall's saxifrage Perennial herb (rhizomatous)  
Saxifraga odontoloma Brook saxifrage Perennial herb 1
Saxifraga oregana Bog saxifrage Perennial herb  
Saxifraga rivularis Weak saxifrage Perennial herb  
Saxifraga tolmiei Tolmie's saxifrage Perennial herb  
Scheuchzeria palustris ssp. americana American scheuchzeria Perennial herb (rhizomatous aquatic)  
Scheuchzeria palustris var. americana American scheuchzeria Perennial herb (rhizomatous)  
Schoenoplectus acutus Hardstem bulrush Perennial grass 24
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus californicus California bulrush Perennial grass 16
Schoenoplectus fluviatilis River bulrush Perennial grass 1
Schoenoplectus pungens Common threesquare Perennial grass 2
Schoenoplectus pungens var. badius Common threesquare Perennial grass  
Scirpus acutus var. occidentalis Hard stemmed tule Perennial grass 1
Scirpus americanus American tule Perennial grass 17
Scirpus californicus California tule Perennial grass 16
Scirpus clementis Yosemite bulrush Perennial grass  
Scirpus fluviatilis River bulrush Perennial grass 2
Scirpus heterochaetus Slender bulrush Perennial grass (rhizomatous)  
Scirpus maritimus Prairie bulrush Perennial grass 14
Scirpus microcarpus Mountain bog bulrush Perennial grass 19
Scirpus nevadensis Great basin bulrush Perennial grass  
Scirpus pumilus Dwarf bulrush Perennial grass (rhizomatous)  
Scirpus pungens Three square Perennial grass 2
Scirpus robustus Big bulrush Perennial grass 10
Scirpus subterminalis Water bulrush Perennial grass (rhizomatous)  
Scirpus tabernaemontani Mountain bulrush Perennial grass 4
Scoliopus bigelovii Slink pod Perennial herb 1
Scrophularia californica California bee plant Perennial herb 30
Scrophularia californica ssp. californica California bee plant Perennial herb 30
Scrophularia californica ssp. floribunda Common california figwort Perennial herb 30
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Sedum eastwoodiae Red mtn. stonecrop Perennial herb 1
Sedum paradisum Canyon creek stonecrop Perennial herb  
Sedum roseum ssp. integrifolium Rosy stonecrop Perennial herb  
Sedum spathulifolium Pacific stonecrop Perennial herb 25
Selinocarpus nevadensis Desert wing fruit Perennial herb  
Senecio aronicoides Butterweed Perennial herb  
Senecio bernardinus San bernardino ragwort Perennial herb  
Senecio bolanderi var. bolanderi Bolander's ragwort Perennial herb  
Senecio breweri Brewer's groundsel Perennial herb  
Senecio canus Woolly ragwort Perennial herb  
Senecio cymbalarioides Cleft leaved groundsel Perennial herb  
Senecio eurycephalus Cut leaved butterweed Perennial herb  
Senecio eurycephalus var. eurycephalus Broadhead ragwort Perennial herb  
Senecio eurycephalus var. lewisrosei Cut leaved ragwort Perennial herb  
Senecio ganderi Gander's ragwort Perennial herb  
Senecio greenei Serpentine ragwort Perennial herb  
Senecio hydrophilus Alkali marsh ragwort Perennial herb  
Senecio indecorus Rayless mountain butterweed Perennial herb  
Senecio ionophyllus Tehachapi ragwort Perennial herb  
Senecio layneae Layne's ragwort Perennial herb  
Senecio macounii Siskiyou mtns. ragwort Perennial herb  
Senecio multilobatus Basin butterweed Perennial herb  
Senecio pauciflorus Rayless alpine ragwort Perennial herb  
Senecio pseudaureus var. pseudaureus Streambank butterweed Perennial herb  
Senecio streptanthifolius Cleft leaved groundsel Perennial herb  
Senecio werneriifolius Alpine rock butterweed Perennial herb  
Sericocarpus oregonensis var. californicus Oregon whitetop aster Perennial herb  
Sericocarpus oregonensis var. oregonensis Oregon whitetop aster Perennial herb  
Setaria gracilis Perennial foxtail Perennial grass  
Setaria parviflora Marsh bristlegrass Perennial grass  
Sidalcea malachroides Maple leaved checkerbloom Perennial herb  
Sidalcea malviflora Wild hollyhock Perennial herb 20
Sidalcea malviflora ssp. asprella Harsh checker mallow Perennial herb (rhizomatous)  
Sidalcea malviflora ssp. laciniata Laciniate checker mallow Perennial herb (rhizomatous)  
Sidalcea malviflora ssp. malviflora Checker mallow Perennial herb (rhizomatous) 1
Sidalcea malviflora ssp. sparsifolia Few leafed checkerbloom Perennial herb (rhizomatous)  
Silene laciniata ssp. major Indian pink Perennial herb 3
Silene lemmonii Lemmon's catchfly Perennial herb  
Silene scouleri ssp. grandis Scouler's campion Perennial herb  
Silene verecunda ssp. verecunda Dolores campion Perennial herb  
Sisyrinchium bellum Blue eyed grass Perennial herb 60
Sisyrinchium californicum California golden eyed grass Perennial herb 41
Sisyrinchium douglasii var. douglasii Douglas' blue eyed grass Perennial herb 1
Smelowskia ovalis var. congesta Lassen peak smelowskia Perennial herb  
Smilacina racemosa Western false solomon's seal Perennial herb 18
Smilacina stellata Star flowered false solomon's seal Perennial herb 16
Solanum douglasii Douglas' nightshade Perennial herb 5
Solanum xanti Nightshade Perennial herb, Shrub 12
Solidago altissima var. altissima Late goldenrod Perennial herb  
Solidago californica Oreja de liebre Perennial herb 25
Solidago canadensis Canada goldenrod Perennial herb 16
Solidago canadensis ssp. elongata Canada goldenrod Perennial herb 3
Solidago canadensis var. salebrosa Rough canada goldenrod Perennial herb 1
Solidago elongata West coast canada goldenrod Perennial herb 3
Solidago gigantea Smooth goldenrod Perennial herb (rhizomatous)  
Solidago sparsiflora Great basin goldenrod Perennial herb 5
Solidago spathulata Dune goldenrod Perennial herb 5
Solidago spathulata ssp. spathulata Coast goldenrod Perennial herb 5
Solidago velutina Threenerve goldenrod Perennial herb 7
Solidago velutina ssp. californica Oreja de liebre Perennial herb 25
Sparganium emersum Emersed bur-reed Perennial herb 2
Sparganium emersum ssp. emersum Emersed bur reed Perennial herb 2
Sparganium erectum ssp. stoloniferum Bur reed Perennial herb 2
Sparganium eurycarpum Broadfruit bur reed Perennial herb 4
Sparganium eurycarpum ssp. eurycarpum Bur reed Perennial herb 2
Sparganium eurycarpum var. eurycarpum Broadfruit bur reed Perennial herb  
Spartina foliosa Pacific cordgrass Perennial grass  
Spergularia macrotheca Sticky sand spurry Perennial herb 1
Spergularia macrotheca var. macrotheca Sticky sand spurry Perennial herb  
Sphaeralcea grossulariifolia ssp. grossulariifolia Gooseberry leaved globemallow Perennial herb, Shrub 1
Sphaeralcea grossulariifolia var. grossulariifolia Gooseberryleaf globemallow Perennial herb, Shrub 1
Spiranthes porrifolia Western ladies tresses Perennial herb  
Spiranthes romanzoffiana Ladies' tresses Perennial herb  
Spirodela polyrhiza Giant duckmeat Perennial herb  
Spirodela polyrrhiza Giant duckmeat Perennial herb  
Sporobolus airoides var. wrightii Alkali sacaton Perennial grass 7
Stachys ajugoides Hedge nettle Perennial herb 6
Stachys ajugoides var. ajugoides Ajuga hedge nettle Perennial herb 6
Stachys ajugoides var. rigida Hedge nettle Perennial herb  
Stachys bullata Southern hedge nettle Perennial herb 16
Stachys chamissonis Hedge nettle Perennial herb 5
Stachys palustris ssp. pilosa Marsh hedge nettle Perennial herb 1
Stachys pycnantha Short spike hedge nettle Perennial herb 3
Stachys rigida Rough hedgenettle Perennial herb 2
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb  
Stachys rigida var. rigida Rough hedgenettle Perennial herb  
Stanleya pinnata var. inyoensis Inyo prince's plume Perennial herb, Shrub 2
Stellaria longipes var. longipes Long stalked starwort Perennial herb  
Stenotus stenophyllus Narrowleaf goldenweed Perennial herb  
Stephanomeria pauciflora var. parishii Parish's wire lettuce Perennial herb 1
Stephanomeria pauciflora var. pauciflora Wire lettuce Perennial herb 1
Stephanomeria spinosa Thorny skeleton plant Perennial herb  
Stipa cernua Nodding needle grass Perennial grass 23
Stipa divaricata Small-flowered rice grass Perennial grass  
Stipa lepida Foothill needle grass Perennial grass 27
Stipa pulchra Purple needle grass Perennial grass 41
Streptanthus cordatus var. duranii Duran's jewelflower Perennial herb  
Streptanthus longisiliqus Long fruit jewel flower Perennial herb  
Streptopus amplexifolius Claspleaf twistedstalk Perennial herb 1
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Suaeda moquinii Bush seepweed Perennial herb 3
Suksdorfia ranunculifolia Buttercup suksdorfia Perennial herb  
Swertia albicaulis Whitestem gentian Perennial herb  
Swertia albicaulis var. albicaulis White stem green gentian Perennial herb  
Swertia albicaulis var. modocensis Perennial herb  
Swertia albicaulis var. nitida Shining swertia Perennial herb  
Swertia albomarginata var. albomarginata Perennial herb  
Swertia albomarginata var. induta Perennial herb  
Swertia fastigiata Clustered green gentian Perennial herb  
Swertia neglecta Pine green gentian Perennial herb  
Swertia parryi Parry's green gentian Perennial herb  
Swertia puberulenta Inyo green gentian Perennial herb  
Swertia radiata Giant frasera Perennial herb  
Swertia radiata var. radiata Elkweed Perennial herb  
Swertia shastaensis Perennial herb  
Swertia tubulosa Kern green gentian Perennial herb  
Swertia umpquaensis Umpqua green gentian Perennial herb  
Symphyotrichum campestre var. bloomeri Bloomer's aster Perennial herb  
Symphyotrichum campestre var. campestre Western meadow aster Perennial herb  
Symphyotrichum chilense Pacific aster Perennial herb 34
Symphyotrichum chilense var. chilense Pacific aster Perennial herb 11
Symphyotrichum chilense var. invenustum Pacific aster Perennial herb 9
Symphyotrichum chilense var. medium Pacific aster Perennial herb 9
Symphyotrichum eatonii Eaton's aster Perennial herb 2
Symphyotrichum lanceolatum White panicle aster Perennial herb  
Symphyotrichum lanceolatum var. hesperium Western lance leaf aster Perennial herb  
Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster Perennial herb  
Synthyris reniformis var. cordata Snow queen Perennial herb  
Tanacetum bipinnatum Dune tansy Perennial herb 9
Tanacetum camphoratum Dune tansy Perennial herb 9
Taraxia ovata Sun cup Perennial herb 2
Tauschia hartwegii Hartweg's umbrellawort Perennial herb 1
Tellima grandiflora Fringe cups Perennial herb 30
Thalictrum fendleri Fendler's meadow rue Perennial herb 12
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 gracilis var. gracilis Slender false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla Santa ynez false lupine Perennial herb 2
Thermopsis macrophylla var. agnina Santa ynes false lupine Perennial herb (rhizomatous) 2
Thermopsis macrophylla var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. macrophylla Common false lupine Perennial herb (rhizomatous) 2
Thermopsis macrophylla var. semota Velvety false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. venosa Klamath false lupine Perennial herb (rhizomatous)  
Thlaspi californicum Kneeland prairie pennycress Perennial herb  
Thlaspi montanum ssp. montanum Perennial herb  
Tiarella trifoliata Sugar scoop Perennial herb 7
Tiarella trifoliata var. unifoliata Foamflower Perennial herb 3
Tidestromia oblongifolia Honey sweet Perennial herb  
Tofieldia occidentalis ssp. occidentalis Western tofieldia Perennial herb  
Tolmiea diplomenziesii Perennial herb 13
Tolmiea menziesii Pig a back plant Perennial herb 13
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 venenosum Meadow deathcamas Perennial herb 2
Toxicoscordion venenosum var. venenosum Meadow deathcamas Perennial herb  
Trautvetteria caroliniensis var. occidentalis Western trautvetteria Perennial herb 1
Trientalis arctica Arctic starflower Perennial herb 1
Trientalis europaea Arctic starflower Perennial herb  
Trientalis europaea ssp. arctica Arctic starflower Perennial herb  
Trientalis latifolia Western star flower Perennial herb 2
Trifolium andersonii var. andersonii Anderson's clover Perennial herb  
Trifolium andersonii var. beatleyae Beatley's five leaved clover Perennial herb  
Trifolium eriocephalum var. eriocephalum Hairy head clover Perennial herb  
Trifolium eriocephalum var. harneyense Cusick's clover Perennial herb  
Trifolium gymnocarpon var. plummerae Plummer's clover Perennial herb  
Trifolium kingii var. productum King's clover Perennial herb  
Trifolium longipes var. elmeri Elmer's clover Perennial herb  
Trifolium longipes var. longipes Long stalked clover Perennial herb  
Trifolium longipes var. nevadense Mountain clover Perennial herb  
Trifolium longipes var. oreganum Oregon clover Perennial herb  
Trifolium longipes var. shastense Shasta clover Perennial herb  
Trifolium macilentum var. dedeckerae Dedecker's clover Perennial herb  
Trifolium monanthum var. grantianum Grant's carpet clover Perennial herb  
Trifolium monanthum var. monanthum Mountain carpet clover Perennial herb  
Trifolium wormskioldii Cow clover Perennial herb 5
Trifolium wormskioldii var. arizonicum Spinytooth clover Perennial herb  
Trifolium wormskioldii var. siskiyouense Siskiyou clover Perennial herb  
Trillium chloropetalum Giant wakerobin Perennial herb 6
Trillium ovatum Western wakerobin Perennial herb 10
Trillium ovatum ssp. ovatum Western wakerobin Perennial herb 2
Trillium rivale Siskiyou wakerobin Perennial herb 1
Trimorpha acris var. debilis Northern daisy Perennial herb  
Trimorpha lonchophylla Spearleaved northern daisy Perennial herb  
Trisetum canescens Nodding trisetum Perennial grass  
Trisetum cernuum Nodding oatgrass Perennial grass  
Trisetum cernuum var. projectum Nodding oatgrass Perennial grass  
Triteleia grandiflora Largeflower triteleia Perennial herb  
Triteleia grandiflora var. howellii Howell's triteleia Perennial herb  
Triteleia hendersonii var. hendersonii Henderson's triteleia Perennial herb (bulb)  
Triteleia hyacinthina Wild hyacinth Perennial herb 9
Triteleia ixioides Pretty face Perennial herb 6
Triteleia ixioides ssp. ixioides Golden brodiaea Perennial herb 1
Triteleia laxa Ithuriel's spear Perennial herb 11
Triteleia peduncularis Marsh tritileia Perennial herb 4
Turricula parryi Poodle dog bush Perennial herb 1
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 10
Urtica dioica ssp. gracilis Nettle Perennial herb  
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Valeriana hookeri Scouler's valerian Perennial herb  
Vancouveria hexandra Northern vancouveria Perennial herb 22
Vancouveria planipetala Inside out flower Perennial herb 5
Veratrum viride var. eschscholzianum Green false hellebore Perennial herb 4
Verbena lasiostachys Western vervain Perennial herb 17
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 17
Verbena officinalis var. officinalis Herb of the cross Perennial herb  
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 var. adunca Western bog violet Perennial herb 1
Viola adunca var. kirkii Yosemite dog violet Perennial herb 1
Viola aurea Golden violet Perennial herb  
Viola douglasii Douglas' violet Perennial herb 2
Viola glabella Stream violet Perennial herb 11
Viola langsdorfii Langsdorf's violet Perennial herb  
Viola macloskeyi ssp. pallens Small white violet Perennial herb 1
Viola ocellata Western heart's ease Perennial herb 1
Viola pedunculata California golden violet Perennial herb  
Viola pedunculata ssp. pedunculata Johnny jump up Perennial herb  
Viola pedunculata ssp. tenuifolia Johnny jump up Perennial herb  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Viola sempervirens Redwood violet Perennial herb 8
Viola sororia ssp. affinis Northern bog violet Perennial herb  
Whitneya dealbata Whitneya Perennial herb  
Wolffiella lingulata Mud midget Perennial herb  
Wyethia angustifolia Narrow leaved mule ears Perennial herb 10
Wyethia glabra Smooth mule ears Perennial herb  
Wyethia helenioides Whitehead wyethia Perennial herb 2
Wyethia mollis Woolly mule's ears Perennial herb 5
Xerophyllum tenax Beargrass Perennial herb 11
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus brevibracteatus Desert death camas Perennial herb  
Zigadenus exaltatus Giant death camas Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus micranthus Small flowered death camas Perennial herb  
Zigadenus micranthus var. fontanus Fountain death camas Perennial herb  
Zigadenus micranthus var. micranthus Little flowered death camas Perennial herb  
Zigadenus paniculatus Sand corn Perennial herb 2
Zigadenus venenosus Meadow deathcamas Perennial herb 2
Zigadenus venenosus var. venenosus Death camas Perennial herb  
  Lifeform: Fern67 plants
  Lifeform: Shrub471 plants
  Lifeform: Tree95 plants
  Lifeform: Vine1 plant
 
NB: found in Santa Cruz 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.