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Criteria:   found in Los Angeles County  •   is native  •  group by lifeform
4758  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual1582 plants
  Lifeform: Biennial4 plants
Descurainia incisa ssp. incisa Mountain tansy mustard Biennial herb  
Erigeron divergens Diffuse daisy Biennial, Perennial herb 4
Gnaphalium ramosissimum Pink everlasting Biennial herb 2
Pseudognaphalium ramosissimum Pink cudweed Biennial herb 2
  Lifeform: Perennial2181 plants
Abronia latifolia Yellow sand verbena Perennial herb 2
Abronia maritima Sticky sand verbena Perennial herb 5
Abronia nana Dwarf sand verbena Perennial herb  
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  
Abutilon palmeri Palmer's abutilon Perennial herb 16
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 argophyllus Silver birds foot trefoil Perennial herb  
Acmispon argophyllus var. adsurgens San clemente island bird's-foot trefoil Perennial herb  
Acmispon argophyllus var. argenteus Channel islands silver lotus Perennial herb 1
Acmispon argophyllus var. argophyllus Southern california silver lotus Perennial herb  
Acmispon argophyllus var. niveus Santa cruz island bird's-foot trefoil Perennial herb  
Acmispon argyraeus Canyon birdsfoot trefoil Perennial herb  
Acmispon glaber Deerweed Perennial herb 21
Acmispon glaber var. brevialatus Short winged deerweed Perennial herb  
Acmispon glaber var. glaber Deerweed Perennial herb  
Acmispon grandiflorus Large leaved lotus Perennial herb 4
Acmispon grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Acmispon heermannii Heermann's lotus Perennial herb 4
Acmispon heermannii var. heermannii Heermann's lotus Perennial herb 1
Acmispon junceus Rush lotus Perennial herb 2
Acmispon nevadensis Sierra lotus Perennial herb  
Acmispon nevadensis var. davidsonii Davidson's sierra nevada lotus Perennial herb  
Acmispon nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Acmispon procumbens Silky california broom Perennial herb, Shrub  
Acmispon procumbens var. procumbens Silky california broom Perennial herb, Shrub  
Aconitum columbianum var. howellii Howell's monkshood Perennial herb  
Acourtia microcephala Sacapellote Perennial herb 1
Actaea rubra Baneberry Perennial herb 7
Agave deserti Desert agave Perennial herb 10
Ageratina occidentalis Western eupatorium Perennial herb 4
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 retrorsa Spear leaved agoseris Perennial herb 1
Agrostis exarata Bentgrass Perennial grass 5
Agrostis exarata var. monolepis Spike bentgrass Perennial grass 5
Agrostis idahoensis Colonial bentgrass Perennial grass 3
Agrostis pallens Diego bent grass Perennial grass 14
Agrostis perennans Upland bentgrass Perennial grass  
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 amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium bisceptrum var. bisceptrum Twin crest onion Perennial herb (bulb)  
Allium burlewii Burlew's onion Perennial herb (bulb) 1
Allium campanulatum Dusky onion Perennial herb (bulb) 2
Allium fimbriatum Wild onion Perennial herb (bulb) 1
Allium fimbriatum var. fimbriatum Fringed onion Perennial herb (bulb)  
Allium fimbriatum var. mohavense Mojave onion Perennial herb (bulb)  
Allium haematochiton Red skinned onion Perennial herb (bulb) 5
Allium howellii Howell's onion Perennial herb (bulb) 1
Allium howellii var. clokeyi Mt. pinos onion Perennial herb (bulb)  
Allium hyalinum Glassy onion Perennial herb (bulb) 2
Allium lacunosum Pitted onion Perennial herb (bulb)  
Allium lacunosum var. davisiae Davis' pitted onion Perennial herb (bulb)  
Allium lacunosum var. lacunosum Pitted onion Perennial herb (bulb)  
Allium monticola San bernardino mountain onion Perennial herb (bulb)  
Allium parishii Wild onion Perennial herb (bulb)  
Allium peninsulare Mexicali onion Perennial herb (bulb)  
Allium peninsulare var. peninsulare Mexicali onion Perennial herb (bulb)  
Allium praecox Early onion Perennial herb (bulb) 3
Allium validum Swamp onion Perennial herb (bulb) 5
Alopecurus geniculatus Marsh foxtail Perennial grass  
Ambrosia bipinnatifida Beach bur Perennial herb 9
Ambrosia chamissonis Silver beachweed Perennial herb 9
Ambrosia confertiflora Weak leaved burweed Perennial herb  
Ambrosia psilostachya Ragweed Perennial herb 6
Ambrosia salsola var. fasciculata Burrobrush Perennial herb  
Amsonia tomentosa Gray amsonia Perennial herb  
Anaphalis margaritacea Pearly everlasting Perennial herb 18
Andropogon glomeratus Bushy bluestem Perennial grass 2
Andropogon glomeratus var. pumilus Bushy bluestem Perennial grass  
Andropogon glomeratus var. scabriglumis Beardgrass Perennial grass  
Anemopsis californica Yerba mansa Perennial herb 32
Angelica tomentosa Woolly angelica Perennial herb 2
Antennaria dimorpha Gray cushion pussytoes Perennial herb  
Antennaria lanata Woolly pussy toes Perennial herb  
Aphyllon californicum California orobanche Perennial herb (parasitic)  
Aphyllon californicum ssp. feudgei California broomrape Perennial herb (parasitic)  
Aphyllon fasciculatum Clustered broomrape Perennial herb (parasitic)  
Apocynum androsaemifolium Spreading dogbane Perennial herb 1
Apocynum cannabinum Indian hemp Perennial herb 10
Aquilegia formosa Columbine Perennial herb 55
Arabis Xdivaricarpa Hybrid drummond's rock cress Perennial herb  
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 eschscholtziana Eschscholtz's hairy rockcress 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 Holboell'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 Repand rock cress Perennial herb  
Arabis repanda var. greenei Greene's 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 18
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium californicum Sugar pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium campylopodum Pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium cyanocarpum Blue berry dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium divaricatum Western dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium littorum Seashore dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium monticola Mountain dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium occidentale Digger pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium siskiyouense Siskiyou dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. mertensianae Mountain hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
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  
Argemone corymbosa Leafy prickly poppy Perennial herb 2
Argyranthemum foeniculum Dill daisy Perennial herb  
Aristida californica var. californica California three aw Perennial grass  
Aristida divaricata Poverty three awn Perennial grass  
Aristida orcuttiana Orcutt's threeawn Perennial grass  
Aristida purpurea Purple three awn Perennial grass 19
Aristida purpurea var. parishii Parish three awn Perennial grass  
Aristida purpurea var. purpurea Purple three awn Perennial grass 2
Aristida ternipes Spidergrass Perennial grass 2
Aristida ternipes var. gentilis Spidergrass Perennial grass 2
Arnica Xdiversifolia Rayless arnica Perennial herb  
Arnica amplexicaulis Streambank arnica Perennial herb 3
Arnica chamissonis ssp. foliosa Meadow arnica Perennial herb 6
Arnica cordifolia var. cordifolia Heart leaved arnica Perennial herb  
Arnica cordifolia var. pumila Dwarf heart leaved arnica Perennial herb 1
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 ludoviciana Silver wormwood Perennial herb 17
Artemisia ludoviciana ssp. incompta Western mugwort Perennial herb  
Artemisia ludoviciana ssp. ludoviciana Silver wormwood Perennial herb 3
Artemisia suksdorfii Coastal mugwort Perennial herb 2
Arthrocnemum subterminale Parish's glasswort Perennial herb 4
Aruncus dioicus var. pubescens Goats beard Perennial herb  
Asclepias californica California milkweed Perennial herb 7
Asclepias californica ssp. greenei Greene's california milkweed Perennial herb 7
Asclepias cryptoceras ssp. davisii Davis' humboldt mountains milkweed Perennial herb  
Asclepias eriocarpa Indian milkweed Perennial herb 9
Asclepias erosa Desert milkweed Perennial herb 3
Asclepias fascicularis narrow leaf milkweed Perennial herb 32
Asclepias vestita Woolly milkweed Perennial herb  
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 40
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 asymmetricus San joaquin milk vetch Perennial herb 1
Astragalus bicristatus Crested milk vetch Perennial herb  
Astragalus brauntonii Braunton's milk vetch Perennial herb  
Astragalus coccineus Scarlet milk vetch Perennial herb 1
Astragalus curtipes South coast milk vetch Perennial herb  
Astragalus douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. parishii Parish's milk vetch Perennial herb  
Astragalus douglasii var. perstrictus Jacumba milk vetch Perennial herb  
Astragalus filipes Narrow pod locoweed Perennial herb  
Astragalus layneae Layne's milk vetch Perennial herb  
Astragalus lentiginosus var. antonius San antonio milk vetch Perennial herb  
Astragalus leucolobus Big bear valley woollypod Perennial herb  
Astragalus miguelensis San miguel island milkvetch Perennial herb  
Astragalus monoensis var. monoensis Mono milk vetch Perennial herb  
Astragalus monoensis var. ravenii Raven's milk vetch Perennial herb  
Astragalus nevinii San clemente island milk vetch Perennial herb  
Astragalus pachypus Thick pod milk vetch Perennial herb  
Astragalus pachypus var. pachypus Thick pod milk vetch Perennial herb  
Astragalus palmeri Palmer locoweed Perennial herb  
Astragalus pomonensis Pomona milk vetch Perennial herb 4
Astragalus preussii Preuss's milk vetch Perennial herb  
Astragalus preussii var. laxiflorus Lancaster milk vetch Perennial herb  
Astragalus pulsiferae Pulsifer's milk vetch Perennial herb  
Astragalus pulsiferae var. coronensis Modoc plateau milk vetch Perennial herb  
Astragalus purshii Pursh's sheeppod Perennial herb 3
Astragalus purshii var. lectulus Pursh's milk vetch Perennial herb  
Astragalus purshii var. purshii Pursh's milk vetch Perennial herb  
Astragalus purshii var. tinctus Pursh's milk vetch Perennial herb 1
Astragalus pycnostachyus Marsh milk vetch Perennial herb 1
Astragalus pycnostachyus var. lanosissimus Ventura marsh milk vetch Perennial herb 1
Astragalus traskiae Trask's milkvetch Perennial herb  
Astragalus trichopodus Santa barbara milk vetch Perennial herb 3
Astragalus trichopodus var. lonchus Southern california milkvetch Perennial herb 1
Astragalus trichopodus var. phoxus Santa barbara milk vetch Perennial herb 1
Astragalus trichopodus var. trichopodus Santa barbara milk vetch Perennial herb 1
Atriplex californica California salt bush Perennial herb 1
Atriplex coulteri Coulter's saltbush Perennial herb  
Atriplex leucophylla Sea scale Perennial herb 7
Atriplex watsonii Watson's saltbush Perennial herb 3
Baccharis douglasii Salt marsh baccharis Perennial herb 15
Baccharis glutinosa Salt Marsh baccharis Perennial herb 28
Bahia dissecta Ragged leaf bahia Perennial herb  
Baileya multiradiata Desert marigold Perennial herb 20
Baileya multiradiata var. multiradiata Wild marigold Perennial herb 20
Balsamorhiza deltoidea Deltoid balsam root Perennial herb 2
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 5
Bloomeria crocea Golden stars Perennial herb 10
Bloomeria crocea var. aurea Common goldenstar Perennial herb  
Bloomeria crocea var. crocea Common goldenstar Perennial herb 1
Bloomeria crocea var. montana Mountain goldenstar Perennial herb  
Boechera arcuata Arching rockcress Perennial herb  
Boechera californica California rockcress Perennial herb 1
Boechera microphylla var. microphylla Small-leaved rock cress Perennial herb  
Boechera perennans Perennial rockcress Perennial herb  
Boechera platysperma Pioneer rockcress Perennial herb  
Boechera pulchra Beautiful rockcress Perennial herb 2
Boechera repanda Yosemite rockcress Perennial herb  
Boechera retrofracta Reflexed rockcress Perennial herb  
Boechera sparsiflora Sicklepod rockcress Perennial herb 2
Boechera xylopoda Bigfoot hybrid rockcress Perennial herb  
Boerhavia coccinea Red boerhaavia Perennial herb  
Bolboschoenus maritimus Alkali bulrush Perennial grass 15
Bolboschoenus maritimus ssp. paludosus Saltmarsh 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)  
Bothriochloa barbinodis Beard grass Perennial grass 7
Boykinia occidentalis Western boykinia Perennial herb 6
Boykinia rotundifolia Round leaved boykinia Perennial herb 2
Brickellia californica California brickellia Perennial herb 16
Brickellia californica var. californica California brickellbush Perennial herb 2
Brickellia watsonii Watson's brickellia Perennial herb  
Brodiaea californica var. californica California brodiaea Perennial herb 8
Brodiaea californica var. leptandra Sonoma brodiaea Perennial herb 1
Brodiaea coronaria ssp. coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. rosea Indian valley brodiaea Perennial herb (bulb)  
Brodiaea filifolia Thread leaved brodiaea Perennial herb (bulb) 2
Brodiaea jolonensis Jolon brodiaea Perennial herb 1
Brodiaea kinkiensis San clemente island brodiaea Perennial herb (bulb) 1
Brodiaea minor Low brodiaea Perennial herb 2
Brodiaea purdyi Purdy's brodiaea Perennial herb 2
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. kernensis Kern 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 hallii Hall's brome Perennial grass  
Bromus marginatus Mountain brome Perennial grass 6
Bromus maritimus Maritime brome Perennial grass 1
Bromus porteri Nodding brome Perennial grass 1
Bromus pseudolaevipes Southern chinook brome Perennial grass  
Bromus sitchensis Sitka brome Perennial grass 2
Callitriche hermaphroditica Northern water starwort Perennial herb  
Callitriche longipedunculata Longstock 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 catalinae Catalina mariposa Perennial herb (bulb) 3
Calochortus clavatus Club haired mariposa Perennial herb 1
Calochortus clavatus var. clavatus Club haired mariposa lily Perennial herb (bulb) 1
Calochortus clavatus var. gracilis Slender mariposa lily Perennial herb (bulb) 1
Calochortus clavatus var. pallidus Pale yellow mariposa Perennial herb 1
Calochortus fimbriatus Late-flowered mariposa lily Perennial herb 1
Calochortus invenustus Plain mariposa Perennial herb 2
Calochortus kennedyi Desert mariposa Perennial herb 1
Calochortus kennedyi var. kennedyi Red mariposa Perennial herb  
Calochortus palmeri Strangling mariposa Perennial herb 1
Calochortus palmeri var. palmeri Palmer's mariposa lily Perennial herb (bulb) 1
Calochortus plummerae Plummer's mariposa lily Perennial herb (bulb) 1
Calochortus splendens Splendid mariposa Perennial herb 4
Calochortus striatus Alkali mariposa lily Perennial herb (bulb) 1
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Calochortus weedii Weed's mariposa Perennial herb 1
Calochortus weedii var. intermedius Intermediate mariposa lily Perennial herb (bulb) 1
Calochortus weedii var. vestus Late flowered mariposa lily Perennial herb (bulb) 1
Caltha leptosepala var. biflora Marsh marigold Perennial herb 3
Calyptridium monospermum One seeded pussypaws Perennial herb  
Calystegia longipes Piute morning glory Perennial herb 1
Calystegia macrostegia Island morning glory Perennial herb, Vine 18
Calystegia macrostegia ssp. amplissima Island morning glory Perennial herb  
Calystegia macrostegia ssp. arida Southern california morning glory Perennial herb, Vine  
Calystegia macrostegia ssp. cyclostegia Coast morning glory Perennial herb, Vine 3
Calystegia macrostegia ssp. intermedia South coast morning glory Perennial herb, Vine  
Calystegia macrostegia ssp. macrostegia Island morning glory Perennial herb, Vine 2
Calystegia macrostegia ssp. tenuifolia San diego morning glory Perennial herb, Vine  
Calystegia malacophylla Morning glory Perennial herb  
Calystegia malacophylla ssp. malacophylla Sierra morning glory Perennial herb  
Calystegia malacophylla ssp. pedicellata Jepson's morning glory Perennial herb  
Calystegia occidentalis Bush morning glory Perennial herb 2
Calystegia occidentalis ssp. fulcrata Sonora morning glory Perennial herb  
Calystegia occidentalis ssp. occidentalis Modoc morning glory Perennial herb  
Calystegia occidentalis var. tomentella Kern morning glory Perennial herb  
Calystegia peirsonii Peirson's morning glory Perennial herb (rhizomatous) 1
Calystegia purpurata Smooth western morning glory Perennial herb 3
Calystegia purpurata ssp. purpurata Smooth western morning glory Perennial herb 1
Calystegia sepium Western hedge bindweed Perennial herb 1
Calystegia sepium ssp. binghamiae Santa barbara morning glory Perennial herb (rhizomatous)  
Calystegia sepium ssp. limnophila Marsh morning glory Perennial herb  
Calystegia soldanella Beach morning glory Perennial herb 3
Camassia quamash ssp. quamash Common camas Perennial herb 1
Camissonia cheiranthifolia Beach evening primrose Perennial herb 10
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening primrose Perennial herb 2
Camissonia cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Camissonia ovata Sun cup Perennial herb 2
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 11
Camissoniopsis cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Campanula prenanthoides Nodding harebell Perennial herb 2
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 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  
Cardamine pensylvanica Pennsylvania bittercress Perennial herb  
Cardionema ramosissimum Sand mat Perennial herb 2
Carex abrupta Abrupt beaked sedge Perennial grass  
Carex alma Sedge Perennial grass  
Carex amplectens Clasping bract sedge Perennial grass 1
Carex athrostachya Slender leaved sedge Perennial grass 2
Carex aurea Golden fruited sedge Perennial grass  
Carex barbarae Valley sedge Perennial grass 25
Carex bella Southwestern showy sedge Perennial grass  
Carex bolanderi Bolander's sedge Perennial grass  
Carex breweri var. breweri Brewer's sedge Perennial grass  
Carex capitata ssp. capitata Capitate sedge Perennial grass  
Carex constanceana Contance's sedge Perennial grass  
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 diandra Lesser panicled sedge Perennial grass 1
Carex douglasii Douglas sedge Perennial grass 1
Carex dudleyi Dudley's sedge Perennial grass 9
Carex eleocharis Spikerush sedge Perennial grass (rhizomatous)  
Carex fracta Fragile sheathed sedge Perennial grass 1
Carex garberi Garber's sedge Perennial grass  
Carex gigas Siskiyou sedge Perennial grass (rhizomatous)  
Carex globosa Round fruit sedge Perennial grass 5
Carex hassei Hasse's sedge Perennial grass  
Carex heteroneura Variable nerved 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 jonesii Jones' sedge Perennial grass  
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 mariposana Mariposa sedge Perennial grass  
Carex multicaulis Forest sedge Perennial grass  
Carex nebrascensis Nebraska sedge Perennial grass 2
Carex nudata Torrent sedge Perennial grass 14
Carex occidentalis Western sedge Perennial grass  
Carex ovalis Egg sedge Perennial grass 1
Carex pellita Woolly sedge Perennial grass 7
Carex phaeocephala Mountain hare sedge Perennial grass  
Carex praegracilis Field sedge Perennial grass 28
Carex pyrenaica Pyrenean sedge Perennial grass  
Carex pyrenaica ssp. pyrenaica Pyrenean sedge Perennial grass  
Carex rossii Ross' sedge Perennial grass 1
Carex schottii Schott's sedge Perennial grass  
Carex scirpoidea var. pseudoscirpoidea Western single spike sedge Perennial grass  
Carex scopulorum Mountain sedge Perennial grass  
Carex scopulorum var. bracteosa Bracted sedge Perennial grass  
Carex senta Rough sedge Perennial grass 3
Carex specifica Narrow fruit sedge Perennial grass  
Carex spissa San Diego sedge Perennial grass 14
Carex subfusca Brown sedge Perennial grass 8
Carex triquetra Triangular fruit sedge Perennial grass  
Carex tumulicola Split awn sedge Perennial grass 26
Carex utriculata Beaked sedge Perennial grass 1
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 applegatei Wavy leaf paintbrush Perennial herb 2
Castilleja applegatei ssp. martinii Martin's paintbrush Perennial herb 1
Castilleja applegatei ssp. pinetorum Pine wavy leaf paintbrush Perennial herb  
Castilleja chromosa Desert paintbrush Perennial herb 3
Castilleja foliolosa Texas paintbrush Perennial herb 3
Castilleja gleasoni Mt. Gleason paintbrush Perennial herb  
Castilleja gleasonii Mt. gleason indian paintbrush Perennial herb (hemiparasitic)  
Castilleja grisea San clemente island indian paintbrush Perennial herb (hemiparasitic)  
Castilleja hispida ssp. brevilobata Short lobed indian paintbrush Perennial herb (hemiparasitic)  
Castilleja hololeuca Island white-felted paintbrush Perennial herb  
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja lanata ssp. hololeuca White felted indian paintbrush Perennial herb (hemiparasitic)  
Castilleja linariifolia Desert paintbursh Perennial herb 2
Castilleja miniata Great red paintbrush Perennial herb 6
Castilleja miniata ssp. miniata Scarlet indian paintbrush Perennial herb  
Castilleja parviflora Mountain paintbrush Perennial herb  
Castilleja parviflora var. parviflora Smallflower indian paintbrush Perennial herb  
Castilleja plagiotoma Mojave indian paintbrush Perennial herb (hemiparasitic)  
Castilleja pruinosa Frosted paintbrush Perennial herb (hemiparasitic)  
Castilleja subinclusa Franciscan paint brush Perennial herb 1
Castilleja subinclusa ssp. franciscana Franciscan paintbrush Perennial herb  
Castilleja subinclusa ssp. subinclusa Long leaf 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 Slender wild cabbage 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  
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
Chaenactis santolinoides Santolina chaenactis Perennial herb  
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  
Chamerion angustifolium Fireweed Perennial herb 14
Chamerion angustifolium ssp. circumvagum Fireweed Perennial herb 2
Chamerion latifolium Dwarf fireweed Perennial herb 3
Chenopodium californicum California goosefoot Perennial herb 1
Chimaphila menziesii Little prince's pine Perennial herb  
Chlorogalum parviflorum Small flowered soaproot Perennial herb  
Chlorogalum pomeridianum Amole Perennial herb 20
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. bolanderi Saltmarsh water hemlock Perennial herb  
Cicuta maculata var. maculata Spotted water hemlock Perennial herb  
Cirsium brevistylum Indian thistle Perennial herb  
Cirsium canovirens Gray green thistle Perennial herb  
Cirsium congdonii Congdon's thistle Perennial herb  
Cirsium loncholepis La graciosa thistle Perennial herb  
Cirsium mohavense Mohave thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. californicum California thistle Perennial herb  
Cirsium occidentale var. candidissimum Snowy thistle Perennial herb  
Cirsium occidentale var. compactum Compact cobwebby thistle Perennial herb  
Cirsium occidentale var. coulteri Coulter's thistle Perennial herb  
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  
Cladium californicum Saw grass Perennial grass  
Claytonia lanceolata Western spring beauty Perennial herb  
Claytonia lanceolata var. peirsonii Peirson's spring beauty Perennial herb  
Clematis lasiantha Pipestem Perennial herb, Vine 27
Clematis ligusticifolia Creek clematis Perennial herb, Vine 33
Clematis ligusticifolia var. brevifolia Western white clematis Perennial herb, Vine 33
Clematis ligusticifolia var. californica California clematis Perennial herb, Vine 33
Clematis ligusticifolia var. ligusticifolia Western white clematis Perennial herb, Vine 33
Clematis pauciflora Virgin's bower Perennial herb, Vine 1
Clinopodium douglasii Yerba buena Perennial herb 35
Clinopodium mimuloides Monkeyflower savory Perennial herb 7
Corallorhiza maculata Summer 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 3
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
Crepis acuminata Tall hawksbeard Perennial herb  
Crepis nana Dwarf hawksbeard Perennial herb  
Cressa truxillensis Alkali weed Perennial herb 3
Croton californicus Desert croton Perennial herb 5
Cryptantha sobolifera Sierra perennial cryptantha Perennial herb  
Cucurbita foetidissima Missouri gourd Perennial herb, Vine 4
Cycladenia humilis Cycladenia Perennial herb 1
Cycladenia humilis var. venusta Showy cycladenia Perennial herb  
Cylindropuntia Xmunzii Munz's cholla Perennial herb (stem succulent) 2
Cylindropuntia acanthocarpa Buck horn cholla Perennial herb (stem succulent) 4
Cylindropuntia acanthocarpa var. acanthocarpa Buckhorn cholla Perennial herb (stem succulent) 3
Cylindropuntia californica California cholla Perennial herb (stem succulent) 5
Cylindropuntia californica var. parkeri Brownspined pricklypear Perennial herb (stem succulent) 1
Cymopterus deserticola Desert cymopterus Perennial herb  
Cynanchum utahense Vine milkweed 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 parishii Parish's flatsedge Perennial grass  
Danthonia californica var. americana American oatgrass Perennial grass 21
Danthonia californica var. californica California oatgrass Perennial grass 21
Darmera peltata Umbrella plant Perennial herb 15
Datisca glomerata Durango root Perennial herb 2
Datura inoxia ! Pricklyburr Perennial herb 6
Datura wrightii Jimsonweed Perennial herb 16
Delphinium cardinale Scarlet larkspur Perennial herb 7
Delphinium decorum Larkspur Perennial herb  
Delphinium depauperatum Few flowered larkspur Perennial herb  
Delphinium glaucum Sierra larkspur Perennial herb 3
Delphinium gracilentum Meadow larkspur Perennial herb  
Delphinium gypsophilum Gypsum loving larkspur Perennial herb  
Delphinium gypsophilum ssp. gypsophilum Gypsum loving larkspur Perennial herb 1
Delphinium hansenii Hansen's larkspur Perennial herb  
Delphinium hansenii ssp. kernense Kern larkspur Perennial herb  
Delphinium hesperium Western larkspur Perennial herb  
Delphinium inflexum Hybrid parry's larkspur Perennial herb 7
Delphinium parishii Parish's larkspur Perennial herb  
Delphinium parishii ssp. pallidum Pale parish's larkspur Perennial herb  
Delphinium parishii ssp. parishii Parish's larkspur Perennial herb  
Delphinium parishii ssp. subglobosum Intermediate larkspur Perennial herb  
Delphinium parryi San bernardino larkspur Perennial herb 1
Delphinium parryi ssp. maritimum Seaside larkspur Perennial herb  
Delphinium parryi ssp. parryi San bernardino larkspur Perennial herb  
Delphinium parryi ssp. purpureum Mt. pinos larkspur Perennial herb  
Delphinium patens Spreading larkspur Perennial herb  
Delphinium patens ssp. hepaticoideum Spreading larkspur Perennial herb  
Delphinium patens ssp. montanum Spreading larkspur Perennial herb  
Delphinium patens ssp. patens Spreading larkspur Perennial herb  
Delphinium variegatum Royal larkspur Perennial herb 1
Delphinium variegatum f. superbum Royal larkspur Perennial herb  
Delphinium variegatum ssp. kinkiense San clemente island larkspur Perennial herb  
Delphinium variegatum ssp. thornei Thorne's royal larkspur Perennial herb  
Deschampsia atropurpurea Mountain hair grass Perennial grass 1
Deschampsia elongata Hairgrass Perennial grass 17
Descurainia adenophora White tansy mustard Perennial herb  
Descurainia incana Mountain tansy mustard Perennial herb  
Descurainia obtusa ssp. adenophora White tansy mustard Perennial herb  
Dicentra chrysantha Golden eardrops Perennial herb 4
Dicentra formosa Pacific bleedinghearts Perennial herb 25
Dicentra ochroleuca Yellow bleeding heart Perennial herb  
Dichanthelium lanuginosum var. thermale Geysers dichanthelium Perennial grass  
Dichelostemma capitatum Blue dicks Perennial herb 16
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 3
Dichelostemma capitatum ssp. pauciflorum Few flowered blue dicks Perennial herb  
Dichondra occidentalis Western dichondra Perennial herb (rhizomatous) 2
Dieteria canescens Hoary aster Perennial herb 1
Dieteria canescens var. canescens Hoary aster Perennial herb  
Disporum hookeri Fairy bells Perennial herb 10
Disporum smithii Fairy lantern Perennial herb 6
Distichlis littoralis Shore grass Perennial grass 1
Distichlis spicata Salt grass Perennial grass 25
Ditaxis californica California ditaxis Perennial herb  
Ditaxis clariana Glandular ditaxis Perennial herb  
Dithyrea maritima Beach spectaclepod Perennial herb (rhizomatous)  
Dodecatheon alpinum Alpine shooting star Perennial herb 1
Dodecatheon clevelandii Padre's shooting star Perennial herb 8
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 11
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 Southern california 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 cuneifolia Perennial herb  
Drymocallis cuneifolia var. ewanii Ewan's cinquefoil Perennial herb  
Drymocallis glandulosa Sticky cinquefoil Perennial herb 12
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. reflexa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. viscida Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. wrangelliana Sticky cinquefoil Perennial herb  
Drymocallis lactea Perennial herb 1
Drymocallis lactea var. lactea Sierran woodbeauty Perennial herb  
Dudleya abramsii Abrams' dudleya Perennial herb 2
Dudleya abramsii ssp. parva Conejo dudleya Perennial herb  
Dudleya alainae Banner dudleya Perennial herb 1
Dudleya attenuata ssp. orcuttii Orcutt's dudleya Perennial herb 2
Dudleya blochmaniae Blochman's dudleya Perennial herb  
Dudleya blochmaniae ssp. blochmaniae Blochman's dudleya Perennial herb  
Dudleya blochmaniae ssp. brevifolia Short leaved dudleya Perennial herb  
Dudleya caespitosa Sand lettuce Perennial herb 11
Dudleya calcicola Limestone dudleya Perennial herb  
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. agourensis Canyon liveforever Perennial herb  
Dudleya cymosa ssp. costafolia Pierpoint springs dudleya Perennial herb  
Dudleya cymosa ssp. crebrifolia San gabriel river dudleya Perennial herb  
Dudleya cymosa ssp. cymosa Canyon dudleya Perennial herb 3
Dudleya cymosa ssp. marcescens Marcescent dudleya Perennial herb  
Dudleya cymosa ssp. ovatifolia Santa monica mtns. dudleya Perennial herb  
Dudleya cymosa ssp. pumila Low canyon dudleya Perennial herb 2
Dudleya densiflora San gabriel mtns. dudleya Perennial herb 3
Dudleya greenei Greene's live forever Perennial herb 1
Dudleya hassei Hasse's dudleya Perennial herb 10
Dudleya lanceolata Southern california dudleya Perennial herb 16
Dudleya multicaulis Many stemmed dudleya Perennial herb  
Dudleya palmeri Palmer's dudleya Perennial herb 4
Dudleya pulverulenta Chalk dudleya Perennial herb 17
Dudleya pulverulenta ssp. arizonica Arizona chalk dudleya Perennial herb 1
Dudleya pulverulenta ssp. pulverulenta California chalk lettuce Perennial herb 17
Dudleya saxosa Panamint dudleya Perennial herb 1
Dudleya saxosa ssp. aloides Desert dudleya Perennial herb 1
Dudleya setchellii Santa clara valley dudleya Perennial herb 3
Dudleya virens Bright green dudleya Perennial herb 4
Dudleya virens ssp. hassei Bright green dudleya Perennial herb 10
Dudleya virens ssp. insularis Bright green dudleya Perennial herb  
Dudleya virens ssp. virens Bright green dudleya Perennial herb 1
Dugaldia hoopesii Hoope's sneezeweed Perennial herb 7
Echinodorus berteroi Burhead Perennial herb (aquatic)  
Ehrendorferia chrysantha Golden eardrops Perennial herb 4
Ehrendorferia ochroleuca Yellow bleeding heart Perennial herb  
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 bernardina Fewflower spikerush Perennial grass  
Eleocharis coloradoensis Dwarf spikerush Perennial grass 2
Eleocharis macrostachya Spike rush Perennial grass 18
Eleocharis montevidensis Montevideo spike rush Perennial grass 2
Eleocharis palustris Common spikerush Perennial grass 8
Eleocharis parishii Parish's spike rush Perennial grass  
Eleocharis parvula Small spikerush Perennial grass 2
Eleocharis pauciflora Few flowered spike rush Perennial grass  
Eleocharis quinqueflora Fewflower spikerush Perennial grass  
Eleocharis radicans Creeping spikerush Perennial grass  
Eleocharis rostellata Walking sedge Perennial grass 1
Elymus Xgouldii Many flowered wild rye Perennial grass  
Elymus Xhansenii Perennial grass  
Elymus cinereus Great basin wild rye Perennial grass 8
Elymus condensatus Giant wild rye Perennial grass 32
Elymus elymoides Squirrel tail grass Perennial grass 12
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. brevifolius Squirrel tail grass Perennial grass  
Elymus elymoides var. californicus Squirrel tail grass 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 2
Elymus glaucus ssp. jepsonii Western rye grass Perennial grass 2
Elymus glaucus ssp. virescens Virginia wildrye Perennial grass  
Elymus lanceolatus Thickspike wheatgrass Perennial grass 3
Elymus lanceolatus ssp. lanceolatus Northern wheatgrass Perennial grass 4
Elymus multisetus Big squirreltail grass Perennial grass 13
Elymus pacificus Pacific wild rye Perennial grass  
Elymus spicatus Blue bunch wheat grass Perennial grass 7
Elymus stebbinsii Stebbins' wildrye Perennial grass  
Elymus stebbinsii ssp. stebbinsii Parish wheatgrass Perennial grass  
Elymus trachycaulus Slender wheatgrass Perennial grass 8
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass Perennial grass 7
Elymus triticoides Beardless wild rye Perennial grass 29
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. angustifolium Hummingbird trumpet Perennial herb 21
Epilobium canum ssp. canum California fuchsia Perennial herb 12
Epilobium canum ssp. latifolium California fushia Perennial herb 5
Epilobium ciliatum Slender willow herb Perennial herb 2
Epilobium ciliatum ssp. ciliatum Willow herb Perennial herb 2
Epilobium ciliatum ssp. glandulosum Glandular willowherb Perennial herb 1
Epilobium glaberrimum Smooth willowherb Perennial herb  
Epilobium glaberrimum ssp. glaberrimum Smooth willowherb Perennial herb  
Epilobium halleanum Hairy willowherb Perennial herb  
Epilobium latifolium River beauty Perennial herb 3
Epipactis gigantea Stream orchid Perennial herb 17
Eremogone macradenia Mojave sandwort Perennial herb  
Eremogone macradenia var. arcuifolia Forest camp sandwort Perennial herb  
Eremogone macradenia var. macradenia Desert sandwort Perennial herb  
Eriastrum densifolium Giant eriastrum Perennial herb 4
Eriastrum densifolium ssp. austromontanum Southern mountain eriastrum Perennial herb 1
Eriastrum densifolium ssp. densifolium Giant eriastrum Perennial herb 2
Eriastrum densifolium ssp. elongatum Perennial wool star Perennial herb  
Eriastrum densifolium ssp. mohavense Perennial vool star Perennial herb 1
Ericameria paniculata Mojave rabbitbrush Perennial herb 1
Erigeron acris Bitter fleabane Perennial herb  
Erigeron angustatus Narrow leaved daisy Perennial herb  
Erigeron austiniae Rebecca austin's fleabane Perennial herb  
Erigeron breweri Brewer's fleabane Perennial herb  
Erigeron breweri var. bisanctus Pious daisy Perennial herb  
Erigeron breweri var. covillei Coville erigeron Perennial herb  
Erigeron breweri var. jacinteus San jacinto mtns. daisy Perennial herb (rhizomatous)  
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. foliosus Thread stemmed fleabane Perennial herb, Shrub  
Erigeron foliosus var. franciscensis San francisco leafy fleabane Perennial herb  
Erigeron foliosus var. hartwegii Hartweg's fleabane Perennial herb  
Erigeron lobatus Lobed fleabane Perennial herb 4
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 philadelphicus Philadelphia fleabane Perennial herb  
Erigeron pumilus ssp. intermedius Shaggy fleabane Perennial herb  
Erigeron pumilus var. gracilior Shaggy fleabane Perennial herb  
Eriodictyon parryi Poodle-dog bush Perennial herb 1
Eriogonum beatleyae Beatley's buckwheat Perennial herb  
Eriogonum callistum Tehachapi buckwheat Perennial herb  
Eriogonum crocatum Conejo buckwheat Perennial herb 15
Eriogonum crosbyae Crosby's buckwheat Perennial herb  
Eriogonum douglasii var. douglasii Douglas' buckwheat Perennial herb  
Eriogonum elongatum Longstem buckwheat Perennial herb 5
Eriogonum elongatum var. elongatum Long stemmed buckwheat Perennial herb 5
Eriogonum ericifolium var. thornei Thorne's buckwheat Perennial herb  
Eriogonum grande Island buckwheat Perennial herb 17
Eriogonum grande var. grande Island buckwheat Perennial herb 2
Eriogonum grande var. timorum San nicolas island buckwheat Perennial herb 1
Eriogonum incanum Frosted buckwheat Perennial herb 1
Eriogonum inflatum Desert trumpet Perennial herb  
Eriogonum inflatum var. deflatum Deflated desert trumpet Perennial herb  
Eriogonum inflatum var. inflatum Desert trumpet Perennial herb  
Eriogonum kennedyi Kennedy's buckwheat Perennial herb 5
Eriogonum kennedyi var. alpigenum Southern alpine buckwheat Perennial herb  
Eriogonum kennedyi var. austromontanum Southern mountain buckwheat Perennial herb  
Eriogonum kennedyi var. kennedyi Kennedy's buckwheat Perennial herb 1
Eriogonum lobbii var. lobbii Lobb's buckwheat Perennial herb  
Eriogonum oblongifolium Coast buckwheat Perennial herb 22
Eriogonum ochrocephalum var. alexanderae Alexander's buckwheat Perennial herb  
Eriogonum ovalifolium Oval leaved eriogonum Perennial herb 4
Eriogonum panamintense var. mensicola Panamint mountain buckwheat Perennial herb, Shrub  
Eriogonum panamintense var. panamintense Panamint mountain buckwheat Perennial herb, Shrub  
Eriogonum saxatile Rock buckwheat Perennial herb  
Eriogonum umbellatum Sulphur buckwheat Perennial herb 26
Eriogonum umbellatum var. bahiiforme Sulphur buckwheat Perennial herb  
Eriogonum umbellatum var. canifolium Sulphur buckwheat Perennial herb  
Eriogonum umbellatum var. furcosum Desert sulfur buckwheat Perennial herb  
Eriogonum umbellatum var. minus Alpine sulfur flowered buckwheat Perennial herb  
Eriogonum umbellatum var. munzii Munz's buckwheat Perennial herb  
Eriogonum umbellatum var. nevadense Sierra sulfur flower Perennial herb 1
Eriogonum umbellatum var. subaridum Desert sulfur buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 6
Eriogonum wrightii var. membranaceum Wright s buckwheat Perennial herb, Shrub  
Eriogonum wrightii var. nodosum Wright s buckwheat Perennial herb, Shrub  
Eriogonum wrightii var. subscaposum Wright's buckwheat Perennial herb, Shrub 3
Eriogonum wrightii var. trachygonum Wright s 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 lanatum var. arachnoideum Wooly sunflower Perennial herb 4
Eriophyllum lanatum var. hallii Fort tejon woolly sunflower Perennial herb  
Eriophyllum latilobum San mateo woolly sunflower Perennial herb  
Eryngium aristulatum Jepson's button celery Perennial herb 3
Eryngium pendletonensis Pendleton's eryngo Perennial herb  
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 capitatum var. purshii Pursh's wallflower Perennial herb  
Erysimum franciscanum var. crassifolium San francisco wallflower Perennial herb 9
Erysimum insulare ssp. insulare Island wallflower Perennial herb  
Erysimum insulare ssp. suffrutescens Suffrutescent wallflower Perennial herb 5
Erysimum insulare var. grandifolium Island wallflower Perennial herb  
Erysimum menziesii ssp. concinnum Headland wallflower Perennial herb  
Erysimum menziesii ssp. eurekense Humboldt bay wallflower Perennial herb  
Erysimum menziesii ssp. menziesii Menzies's wallflower Perennial herb 1
Erysimum menziesii ssp. yadonii Yadon's wallflower Perennial herb 1
Erysimum suffrutescens Suffrutescent wallflower Perennial herb 5
Erythranthe cardinalis Cardinal monkey flower Perennial herb 43
Erythranthe inodora Musk monkeyflower Perennial herb 2
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 albomarginata Rattlesnake sandmat Perennial herb  
Euphorbia incisa Mojave spurge Perennial herb  
Euphorbia lurida Woodland spurge Perennial herb  
Euphorbia melanadenia Red-gland spurge Perennial herb  
Euphorbia palmeri Woodland spurge Perennial herb  
Euphorbia polycarpa Smallseed sandmat Perennial herb  
Euphorbia schizoloba Mojave spurge Perennial herb  
Euthamia occidentalis Western goldenrod Perennial herb 15
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 49
Festuca californica ssp. californica Perennial grass 7
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 roemeri var. klamathensis Idaho fescue Perennial grass 49
Festuca roemeri var. roemeri Perennial grass 49
Festuca rubra Red fescue Perennial grass 40
Festuca saximontana var. purpusiana Rocky mountain fescue Perennial grass 1
Fimbristylis thermalis Hot springs fimbristylis Perennial grass (rhizomatous)  
Fragaria chiloensis Beach strawberry Perennial herb 38
Fragaria chiloensis ssp. lucida Beach strawberry Perennial herb 38
Fragaria crinita Beach strawberry Perennial herb 34
Fragaria vesca Wild strawberry Perennial herb 45
Fragaria vesca ssp. bracteata Woodland strawberry Perennial herb 34
Frankenia palmeri Palmer's frankenia Perennial herb  
Frankenia salina Yerba reuma, alkali heath Perennial herb 12
Frasera neglecta Pine green-gentian Perennial herb  
Frasera parryi Coahuila frasera Perennial herb  
Fritillaria affinis var. affinis Checker lily Perennial herb (bulb) 4
Fritillaria affinis var. tristulis Coast checker lily Perennial herb (bulb) 4
Fritillaria biflora Chocolate lily Perennial herb 4
Fritillaria biflora var. biflora Chocolate lily Perennial herb (bulb) 4
Fritillaria pinetorum Pine woods fritillary Perennial herb  
Fritillaria roderickii Roderick's fritillary Perennial herb (bulb) 1
Funastrum cynanchoides Fringed twinevine Perennial herb 2
Funastrum cynanchoides var. hartwegii Climbing milkweed Perennial herb 1
Galium ambiguum var. ambiguum Yolla bolly bedstraw Perennial herb  
Galium ambiguum var. siskiyouense Siskiyou bedstraw Perennial herb  
Galium andrewsii Phlox leaved bedstraw Perennial herb  
Galium andrewsii ssp. andrewsii Phlox leaved bedstraw Perennial herb  
Galium andrewsii ssp. intermedium Phlox leaved bedstraw Perennial herb  
Galium angustifolium Narrow leaved bedstraw Perennial herb 4
Galium angustifolium ssp. angustifolium Narrow leaved bedstraw Perennial herb  
Galium angustifolium ssp. foliosum Narrow leaved bedstraw Perennial herb  
Galium angustifolium ssp. gabrielense San antonio canyon bedstraw Perennial herb  
Galium angustifolium ssp. gracillimum Narrow leaved bedstraw Perennial herb  
Galium angustifolium ssp. nudicaule Naked stem bedstraw Perennial herb  
Galium argense Argus bedstraw Perennial herb  
Galium bolanderi Bolander's bedstraw Perennial herb  
Galium boreale ssp. septentrionale Northern bedstraw Perennial herb  
Galium californicum California bedstraw Perennial herb  
Galium californicum ssp. flaccidum California bedstraw Perennial herb  
Galium catalinense Santa catalina island bedstraw Perennial herb  
Galium cliftonsmithii Santa barbara bedstraw Perennial herb  
Galium hallii Nodding bedstraw Perennial herb  
Galium hilendiae Hilend's bedstraw Perennial herb  
Galium jepsonii Jepson's bedstraw Perennial herb (rhizomatous)  
Galium johnstonii Johnston's bedstraw Perennial herb  
Galium mexicanum var. asperulum Mexican bedstraw Perennial herb  
Galium nuttallii Climbing bedstraw Perennial herb  
Galium nuttallii ssp. insulare Nuttall's island bedstraw Perennial herb  
Galium nuttallii ssp. nuttallii Climbing bedstraw Perennial herb  
Galium parishii Parish's 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 33
Gamochaeta ustulata Featherweed Perennial herb  
Geranium californicum California geranium Perennial herb 1
Geranium concinnum California mountain geranium Perennial herb 1
Geranium richardsonii Richardson's geranium Perennial herb  
Gilia ripleyi Ripley's gilia Perennial herb  
Glaux maritima Sea milk wort Perennial herb  
Glyceria davyi Davy mannagrass Perennial grass  
Glyceria occidentalis Waxy mannagrass Perennial grass (aquatic) 2
Glycyrrhiza lepidota Lichorice Perennial herb 1
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  
Grindelia camporum Gumweed Perennial herb 15
Grindelia camporum var. bracteosa Bract gumweed Perennial herb 14
Grindelia camporum var. camporum Great valley gumweed Perennial herb 1
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 13
Grindelia stricta Gumweed Perennial herb 27
Grindelia stricta var. platyphylla Gumplant Perennial herb 17
Gutierrezia californica Matchweed, snakeweed Perennial herb, Shrub 5
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 bigelovii Bigelow's sneezeweed Perennial herb 8
Helenium puberulum Sneezeweed Perennial herb 9
Helianthus californicus California sunflower Perennial herb 5
Helianthus gracilentus Slender sunflower Perennial herb 5
Helianthus inexpectatus Newhall sunflower Perennial herb  
Helianthus nuttallii Nuttall's sunflower Perennial herb  
Helianthus nuttallii ssp. parishii Los angeles sunflower Perennial herb (rhizomatous)  
Heliotropium curassavicum Chinese parsley Perennial herb 7
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 1
Heliotropium procumbens var. procumbens Fourspike heliotrope Perennial herb  
Heracleum lanatum Cow parsnip Perennial herb 21
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. echioides Bristly goldenaster Perennial herb  
Heterotheca sessiliflora ssp. fastigiata Erect goldenaster Perennial herb  
Heterotheca sessiliflora ssp. sessiliflora False goldenaster Perennial herb  
Heterotheca sessiliflora var. bolanderoides False bolander's goldenaster Perennial herb  
Heterotheca subaxillaris Camphorweed Perennial herb 1
Heterotheca villosa Hairy goldenaster Perennial herb 11
Heterotheca villosa var. hispida Hairy goldenaster Perennial herb  
Heterotheca villosa var. minor Hairy false goldenaster Perennial herb  
Heterotheca villosa var. shevockii Shevock's hairy golden aster Perennial herb  
Heterotheca villosa var. villosa Hairy goldenaster Perennial herb  
Heuchera abramsii Abrams's alumroot Perennial herb (rhizomatous)  
Heuchera alpestris Parish's alumroot Perennial herb 3
Heuchera caespitosa Urn-flowered alumroot Perennial herb 5
Heuchera cespitosa Tufted alumroot Perennial herb 3
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) 5
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 var. pilosissima Seaside alumroot Perennial herb 10
Heuchera pringlei Merriam's alumroot Perennial herb 1
Heuchera rubescens Pink alumroot Perennial herb 6
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
Hieracium albiflorum White flowered hawkweed Perennial herb 1
Hieracium argutum Hawkweed Perennial herb  
Hieracium gracile Alpine hawkweed Perennial herb  
Hieracium horridum Shaggy hawkweed Perennial herb  
Hieracium scouleri var. nudicaule Naked stemmed scouler's hawkweed Perennial herb  
Hierochloe occidentalis Western sweetgrass Perennial grass 6
Hierochloe odorata Vanilla grass Perennial grass (rhizomatous) 9
Hilaria rigida Big galleta Perennial grass 7
Hoffmannseggia glauca Hoffmanseggia Perennial herb  
Hoita macrostachya California hemp Perennial herb 6
Hoita orbicularis Creeping leather root Perennial herb 2
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 bolanderi Bolander's horkelia Perennial herb  
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 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. puberula Mesa horkelia Perennial herb  
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 parryi Parry's horkelia Perennial herb 1
Horkelia rydbergii Rydberg's horkelia Perennial herb  
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 6
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 oblongifolia Narrow leaved lotus Perennial herb 2
Hosackia oblongifolia var. oblongifolia Narrow leaved lotus Perennial herb 1
Hosackia pinnata Pinnate lotus Perennial herb  
Hulsea heterochroma Red rayed hulsea Perennial herb 1
Hulsea vestita Pumice hulsea Perennial herb  
Hulsea vestita ssp. callicarpha Beautiful hulsea Perennial herb  
Hulsea vestita ssp. gabrielensis San gabriel mtns. sunflower Perennial herb  
Hulsea vestita ssp. parryi Parry's hulsea Perennial herb  
Hulsea vestita ssp. vestita Pumice hulsea Perennial herb  
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hydrocotyle umbellata Marsh pennywort Perennial herb  
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
Imperata brevifolia Satintail Perennial grass 2
Ipomopsis aggregata ssp. formosissima Western scarlet gilia Perennial herb  
Ipomopsis congesta ssp. palmifrons Ball headed gilia Perennial herb  
Ipomopsis tenuifolia Slender leaved ipomopsis Perennial herb 2
Iris douglasiana Douglas iris Perennial herb 51
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  
Iva hayesiana San diego marsh elder Perennial herb 13
Ivesia argyrocoma Silver haired ivesia 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  
Ivesia santolinoides Mouse tail ivesia Perennial herb  
Jaumea carnosa Marsh jaumea Perennial herb 9
Jepsonia malvifolia Island jepsonia Perennial herb  
Juncus acutus Spiny rush Perennial grass (rhizomatous) 13
Juncus acutus ssp. leopoldii Wire grass Perennial grass (rhizomatous) 2
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 cooperi Cooper's rush Perennial grass  
Juncus covillei Coville's rush Perennial grass  
Juncus covillei var. covillei Coville's rush Perennial grass  
Juncus covillei var. obtusatus Coville's rush Perennial grass  
Juncus dubius Mariposa rush Perennial grass 1
Juncus duranii Duran's rush Perennial grass (rhizomatous)  
Juncus effusus Common bog rush Perennial grass 42
Juncus effusus ssp. austrocalifornicus Common bog rush Perennial grass  
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 ensifolius Sword leaved rush Perennial grass 7
Juncus falcatus var. falcatus Sickle leafed rush Perennial grass  
Juncus lesueurii Dune rush Perennial grass 2
Juncus macrandrus Long anthered rush Perennial grass  
Juncus macrophyllus Rush Perennial grass 1
Juncus marginatus Grassleaf rush Perennial grass (rhizomatous)  
Juncus marginatus var. marginatus Red anthered rush Perennial grass (rhizomatous)  
Juncus mexicanus Mexican rush Perennial grass 11
Juncus nodosus Knotted rush Perennial grass (rhizomatous) 1
Juncus occidentalis Slender juncus Perennial grass 5
Juncus orthophyllus Straight leaved rush Perennial grass 1
Juncus oxymeris Pointed rush Perennial grass 1
Juncus patens Rush Perennial grass 49
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 rugulosus Wrinkled rush Perennial grass  
Juncus saximontanus Rocky mountain rush Perennial grass  
Juncus tenuis Slender rush Perennial grass 9
Juncus textilis Basket rush Perennial grass 8
Juncus torreyi Torrey's rush Perennial grass 5
Juncus xiphioides Iris leaved rush Perennial grass 16
Kobresia bellardii Seep kobresia Perennial grass (rhizomatous)  
Kochia americana Red sage Perennial herb  
Kochia californica Mojave red sage Perennial herb  
Koeleria macrantha June grass Perennial grass 30
Kopsiopsis strobilacea California ground-cone Perennial herb (parasitic)  
Kumlienia hystricula Waterfall false buttercup Perennial herb  
Lactuca tatarica var. pulchella Blue lettuce Perennial herb  
Lathyrus nevadensis ssp. lanceolatus Sierra pea Perennial herb  
Lathyrus nevadensis ssp. nevadensis Sierra pea Perennial herb  
Lathyrus splendens Pride of california Perennial herb  
Lathyrus sulphureus Sulpher pea Perennial herb  
Lathyrus sulphureus var. sulphureus Brewer's pea Perennial herb  
Lathyrus vestitus Common pacific pea Perennial herb 7
Lathyrus vestitus var. alefeldii San diego pea Perennial herb 2
Lathyrus vestitus var. ochropetalus Bolander's pacific pea Perennial herb  
Lathyrus vestitus var. vestitus Hillside pea Perennial herb 2
Lemna gibba Gibbous duckweed Perennial herb  
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna valdiviana Duckweed Perennial herb  
Lepidium fremontii Desert pepper grass Perennial herb 4
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  
Leptosiphon nuttallii Nuttall's linanthus Perennial herb 2
Leptosyne maritima Sea dahlia Perennial herb 6
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 brachycalyx Short sepaled lewisia Perennial herb 2
Lewisia leana Quill leaved lewisia Perennial herb 2
Lewisia nevadensis Sierra lewisia Perennial herb 3
Lewisia rediviva Bitter root Perennial herb 4
Lewisia rediviva var. minor Bitter root Perennial herb  
Lewisia rediviva var. rediviva Bitter root Perennial herb  
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 35
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 simplex Alkali wildrye Perennial grass  
Leymus triticoides Alkali rye Perennial grass 30
Lilium humboldtii Humboldt's lily Perennial herb 8
Lilium humboldtii ssp. humboldtii Humboldt's lily Perennial herb (bulb) 1
Lilium humboldtii ssp. ocellatum Humboldt lily Perennial herb (bulb)  
Lilium parryi Lemon lily Perennial herb (bulb) 6
Lilium rubescens Chaparral lily Perennial herb (bulb) 2
Limonium californicum Marsh rosemary Perennial herb 13
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 var. alpicola Alpine lewis' flax Perennial herb 1
Listera caurina Northwest twayblade Perennial herb  
Listera cordata var. nephrophylla Heartleaf twayblade Perennial herb  
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma bolanderi Hillstar Perennial herb  
Lithophragma cymbalaria Mission star Perennial herb  
Lithophragma heterophyllum Woodland star Perennial herb 1
Lithophragma maximum San clemente island woodland star Perennial herb  
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma tenellum Woodland star Perennial herb  
Lobelia cardinalis Cardinalflower Perennial herb 16
Lobelia cardinalis var. pseudosplendens Cardinal flower Perennial herb 16
Lobelia dunnii Dunn's lobelia Perennial herb 12
Lobelia dunnii var. serrata Dunn's lobelia Perennial herb 6
Lomatium californicum Celery weed Perennial herb 4
Lomatium ciliolatum var. ciliolatum Yolla bolly biscuitroot Perennial herb  
Lomatium dasycarpum Lace parsnip Perennial herb 5
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium Perennial herb  
Lomatium dissectum Fern leaved lomatium Perennial herb 3
Lomatium dissectum var. dissectum Fern leaved lomatium Perennial herb 2
Lomatium dissectum var. multifidum Fern leaved lomatium Perennial herb 1
Lomatium donnellii Donnell's biscuitroot Perennial herb  
Lomatium foeniculaceum ssp. macdougallii Desert biscuitroot Perennial herb  
Lomatium insulare San nicolas island lomatium Perennial herb 1
Lomatium lucidum Shiny lomatium Perennial herb  
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium mohavense Mohave wild parsely Perennial herb  
Lomatium nevadense Nevada lomatium Perennial herb  
Lomatium nevadense var. parishii Parish's lomatium Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 3
Lomatium vaginatum Sheathed lomatium Perennial herb  
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 10
Lotus formosissimus Coast lotus Perennial herb 9
Lotus grandiflorus Large leaved lotus Perennial herb 3
Lotus grandiflorus var. grandiflorus Chaparral lotus Perennial herb  
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 22
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 peploides ! Marsh purslane Perennial herb 1
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Ludwigia repens Creeping water primrose Perennial herb  
Lupinus adsurgens Drew's silky lupine Perennial herb  
Lupinus albicaulis White stemmed lupine Perennial herb 8
Lupinus albicaulis var. albicaulis Sicklekeel lupine Perennial herb  
Lupinus albifrons var. johnstonii interior bush lupine Perennial herb  
Lupinus andersonii Anderson's lupine Perennial herb  
Lupinus arbustus Long spurred lupine Perennial herb  
Lupinus argenteus Silvery lupine Perennial herb 7
Lupinus breweri Brewer's lupine Perennial herb 2
Lupinus breweri var. breweri Brewer's lupine Perennial herb  
Lupinus breweri var. grandiflorus Showy brewer's lupine Perennial herb  
Lupinus elatus Silky lupine Perennial herb  
Lupinus formosus Western lupine Perennial herb 6
Lupinus formosus var. formosus Western lupine Perennial herb  
Lupinus formosus var. robustus Giant western lupine Perennial herb  
Lupinus hyacinthinus Hyacinth lupine Perennial herb  
Lupinus latifolius Broad leaf lupine Perennial herb 4
Lupinus latifolius var. latifolius Broad leaf lupine Perennial herb  
Lupinus latifolius var. parishii Parish's lupine Perennial herb 2
Lupinus lepidus Tidy lupine Perennial herb 1
Lupinus peirsonii Peirson's lupine Perennial herb  
Lupinus polyphyllus Bog lupine Perennial herb 26
Lupinus polyphyllus var. burkei Large leaved lupine Perennial herb 5
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. laxa Hairy wood rush Perennial grass 3
Lycopus americanus Bugleweed Perennial herb 2
Lycurus setosus Bristly wolfstail Perennial grass 2
Lyrocarpa coulteri var. palmeri Coulter's lyrepod Perennial herb  
Lythrum californicum Common loosestrife Perennial herb  
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 1
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley Perennial herb 2
Maianthemum stellatum Starry false lily of the valley Perennial herb 17
Malacothrix incana Dunedelion Perennial herb 2
Malacothrix saxatilis Cliff aster Perennial herb 6
Malacothrix saxatilis var. commutata South coast range malacothrix Perennial herb  
Malacothrix saxatilis var. implicata Cliff malacothrix Perennial herb 1
Malacothrix saxatilis var. saxatilis Cliff aster Perennial herb 1
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 5
Marah fabaceus Manroot Perennial herb, Vine 6
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 4
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 4
Marah horrida Sierra man-root Perennial herb, Vine  
Marah horridus Sierran wild cucumber Perennial herb, Vine  
Marah macrocarpa Chilicothe Perennial herb, Vine 5
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 3
Marah oreganus Manroot Perennial herb, Vine 3
Maurandya antirrhiniflora ssp. antirrhiniflora Violet twining snapdragon Perennial herb 2
Maurandya petrophila Rock haurandya Perennial herb  
Melica bulbosa Oniongrass Perennial grass 1
Melica bulbosa var. inflata Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 26
Melica californica var. californica California melicgrass Perennial grass 2
Melica frutescens Tall melica Perennial grass 1
Melica geyeri var. aristulata Geyer's onion grass Perennial grass  
Melica imperfecta Coast range melic Perennial grass 22
Melica stricta Nodding melica Perennial grass  
Melica stricta var. albicaulis Nodding melica Perennial grass  
Melica stricta var. stricta Rock melicgrass Perennial grass  
Melica torreyana Torrey's melica Perennial grass 13
Menodora scoparia Broom tvinberry Perennial herb 2
Mentha arvensis American wild mint Perennial herb 6
Mentha canadensis Wild mint Perennial herb 6
Mentzelia laevicaulis Giant blazingstar Perennial herb 6
Mentzelia multiflora ssp. longiloba Many flowered mentzelia Perennial herb  
Mentzelia multiflora var. longiloba Adonis blazingstar Perennial herb  
Mentzelia ravenii Grass blazingstar Perennial herb  
Micranthes californica Greene's saxifrage Perennial herb  
Microseris laciniata var. siskiyouensis Cutleaf silverpuffs Perennial herb  
Microseris sylvatica Sylvan 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 2
Mimulus moschatus var. longiflorus Muskflower Perennial herb  
Mimulus moschatus var. moschatus Muskflower Perennial herb  
Mimulus primuloides ssp. linearifolius Primrose monkeyflower Perennial herb 3
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 Desert wishbone bush Perennial herb 3
Mirabilis laevis var. crassifolia California four o'clock Perennial herb 12
Mirabilis laevis var. laevis Desert wishbone bush Perennial herb  
Mirabilis laevis var. retrorsa Wishbone bush Perennial herb  
Mirabilis laevis var. villosa Wishbone bush Perennial herb 3
Mirabilis multiflora Giant four o'clock Perennial herb 8
Mirabilis multiflora var. pubescens Desert four o'clock 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 australis Southern mountain monardella Perennial herb  
Monardella australis ssp. australis Southern mountain monardella Perennial herb  
Monardella australis ssp. cinerea Gray monardella Perennial herb (rhizomatous)  
Monardella australis ssp. jokersti Jokerstís monardella Perennial herb  
Monardella australis ssp. jokerstii Jokerst's 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 hypoleuca White leaf monardella Perennial herb  
Monardella hypoleuca ssp. hypoleuca White leaf monardella Perennial herb  
Monardella linoides Narrow leaved monardella Perennial herb 7
Monardella linoides ssp. erecta Narrow leaved monardella Perennial herb  
Monardella linoides ssp. oblonga Flax like monardella Perennial herb (rhizomatous)  
Monardella linoides ssp. stricta Flax like monardella Perennial herb  
Monardella linoides ssp. viminea Willowy monardella Perennial herb 8
Monardella macrantha Hummingbird monardella Perennial herb 11
Monardella macrantha ssp. hallii Hall's monardella Perennial herb (rhizomatous)  
Monardella macrantha ssp. macrantha Hummingbird monardella Perennial herb  
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 21
Monardella odoratissima ssp. parvifolia Matted mountain monardella Perennial herb  
Monardella rubella Grey monardella Perennial herb  
Monardella siskiyouensis Siskiyou coyote mint Perennial herb 3
Monardella villosa ssp. globosa Robust monardella Perennial herb (rhizomatous) 3
Monardella villosa var. subglabra Coyote mint Perennial herb 3
Monardella viridis ssp. saxicola Rock monardella Perennial herb (rhizomatous) 1
Monardella viridis ssp. viridis Green monardella Perennial herb (rhizomatous)  
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia californica California muhly Perennial grass (rhizomatous)  
Muhlenbergia dumosa Bamboo muhly Perennial grass 7
Muhlenbergia richardsonis Richardson's muhly Perennial grass  
Muhlenbergia rigens Deergrass Perennial grass 65
Muhlenbergia thurberi Thurber's muhly Perennial grass  
Muilla clevelandii San diego goldenstar Perennial herb (bulb)  
Muilla coronata Crowned muilla Perennial herb (bulb)  
Muilla maritima Common muilla Perennial herb 1
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Nama lobbii Lobb's nama Perennial herb 1
Nassella cernua Nodding needlegrass Perennial grass 24
Nassella lepida Small flowered stipa Perennial grass 27
Nassella pulchra Purple needlegrass Perennial grass 42
Nasturtium gambelii Gambel's yellowcress Perennial herb  
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nicolletia occidentalis Western nicolletia Perennial herb  
Nitrophila occidentalis Western nitrophila Perennial herb  
Nuphar luteum ssp. polysepalum Indian pond lily Perennial herb (aquatic)  
Nuphar polysepala Rocky mountain pond-lily Perennial herb (aquatic) 3
Oenanthe sarmentosa Water parsley Perennial herb 8
Oenothera caespitosa Fragrant evening primrose Perennial herb 8
Oenothera caespitosa ssp. marginata Large white desert primrose Perennial herb  
Oenothera californica California evening primrose Perennial herb 6
Oenothera californica ssp. avita California evening primrose Perennial herb  
Oenothera californica ssp. californica California evening primrose Perennial herb  
Oenothera cespitosa Fragrant evening-primrose Perennial herb 8
Oenothera elata Evening primrose Perennial herb 17
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 19
Oenothera flava ssp. flava Dandelion evening primrose Perennial herb  
Oenothera longissima Long evening primrose Perennial herb  
Oenothera suffrutescens Wild honeysuckle, linda tarde Perennial herb  
Oenothera villosa Hairy evening primrose Perennial herb  
Oenothera villosa ssp. strigosa Hairy evening primrose Perennial herb 21
Oenothera wolfii Wolf's evening primrose Perennial herb  
Opuntia californica var. californica Snake cholla Perennial herb (stem succulent) 5
Opuntia munzii Munz's cholla Perennial herb (stem succulent) 2
Oreonana vestita Woolly mountain parsley Perennial herb  
Orobanche bulbosa Chaparral broomrape Perennial herb (parasitic)  
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. feudgei California broomrape Perennial herb (parasitic)  
Orobanche californica ssp. grandis California broomrape Perennial herb (parasitic)  
Orobanche cooperi Burroweed strangler Perennial herb (parasitic)  
Orobanche fasciculata Clustered broomrape Perennial herb (parasitic)  
Orobanche parishii Parish's broom rape Perennial herb (parasitic)  
Orobanche parishii ssp. brachyloba Short lobed broom rape Perennial herb (parasitic)  
Orobanche parishii ssp. parishii Parish broomrape Perennial herb (parasitic)  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Orobanche valida Rock creek broom rape Perennial herb (parasitic)  
Orobanche valida ssp. valida Rock creek broomrape 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 Hairywood sorrell Perennial herb  
Oxalis albicans ssp. californica Californica wood sorrel Perennial herb  
Oxalis albicans ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis californica Californica wood sorrel Perennial herb  
Oxalis corniculata ssp. pilosa Hairy wood sorrel Perennial herb  
Oxypolis occidentalis Western cow bane Perennial herb  
Oxytenia acerosa Copperweed Perennial herb  
Oxytropis oreophila Mountain oxytrope Perennial herb  
Oxytropis oreophila var. oreophila Round leaf loco weed Perennial herb  
Packera breweri Brewer's ragwort Perennial herb  
Packera ionophylla Tehachapi ragwort Perennial herb  
Paeonia brownii Peony Perennial herb 1
Paeonia californica California peony Perennial herb 1
Panicum acuminatum Western witch grass Perennial grass  
Panicum acuminatum var. fasciculatum Pacific panic grass Perennial grass  
Parnassia californica Grass of parnassus Perennial herb  
Parnassia cirrata San bernardino grass of parnassus Perennial herb  
Parnassia cirrata var. cirrata San bernardino 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 groenlandica var. surrecta Elephant head lousewort Perennial herb 2
Pedicularis racemosa ssp. racemosa Sickletop lousewort Perennial herb  
Pedicularis semibarbata Pine woods lousewort Perennial herb  
Pediomelum californicum Indian breadroot Perennial herb  
Penstemon Xdubius Hybrid penstemon Perennial herb  
Penstemon Xparishii Hybrid beardtongue Perennial herb  
Penstemon bicolor Two color beardtongue Perennial herb 1
Penstemon bicolor ssp. roseus Pinto beardtongue Perennial herb 1
Penstemon caesius San bernardino beardtongue Perennial herb  
Penstemon centranthifolius Scarlet bugler Perennial herb 19
Penstemon eatonii Eaton firecracker Perennial herb 29
Penstemon grinnellii Grinnell's beardtongue Perennial herb 10
Penstemon grinnellii var. grinnellii Grinnell's beardtongue Perennial herb  
Penstemon grinnellii var. scrophularioides Grinnell's beardtongue Perennial herb  
Penstemon heterophyllus Foothill penstemon Perennial herb 41
Penstemon heterophyllus var. australis Southern foothill penstemon Perennial herb  
Penstemon heterophyllus var. heterophyllus Foothill penstemon Perennial herb 1
Penstemon humilis ssp. humilis Low beardtongue Perennial herb  
Penstemon labrosus San gabriel beardtongue Perennial herb 2
Penstemon laetus Mountain blue penstemon Perennial herb 1
Penstemon laetus var. laetus Mountain blue penstemon Perennial herb  
Penstemon palmeri Palmer's penstemon Perennial herb 21
Penstemon rattanii Rattan's beardtongue Perennial herb  
Penstemon rostriflorus Bridge's penstemon Perennial herb 8
Penstemon speciosus Showy penstemon Perennial herb 13
Penstemon spectabilis Showy penstemon Perennial herb 26
Penstemon spectabilis var. spectabilis Showy penstemon Perennial herb  
Penstemon spectabilis var. subviscosis Showy penstemon Perennial herb  
Penstemon spectabilis var. subviscosus Showy penstemon Perennial herb  
Perideridia californica California yampah Perennial herb 3
Perideridia gairdneri Gairdner's yampah Perennial herb 2
Perideridia gairdneri ssp. gairdneri Gairdner's yampah Perennial herb  
Perideridia parishii Parish's yampah Perennial herb  
Perideridia parishii ssp. latifolia Parish's yampah Perennial herb  
Perideridia pringlei Adobe yampah Perennial herb  
Persicaria amphibia Water smartweed Perennial herb (aquatic) 2
Persicaria hydropiperoides Water pepper Perennial herb  
Persicaria punctata Dotted smartweed Perennial herb 4
Petalonyx thurberi Sandpaper plant Perennial herb 2
Petalonyx thurberi ssp. thurberi Thurber's sandpaper plant Perennial herb  
Phacelia californica Rock phacelia Perennial herb 16
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia dalesiana Scott mtn. phacelia Perennial herb  
Phacelia egena Rock phacelia Perennial herb 3
Phacelia hastata White leafed phacelia Perennial herb  
Phacelia hastata ssp. compacta Timberline phacelia Perennial herb  
Phacelia hastata ssp. hastata Mountain phacelia Perennial herb  
Phacelia hastata var. compacta Timberline phacelia Perennial herb  
Phacelia hastata var. hastata Mountain phacelia Perennial herb  
Phacelia heterophylla ssp. virgata Varied leaf phacelia Perennial herb  
Phacelia imbricata Imbricate phacelia Perennial herb 5
Phacelia imbricata ssp. imbricata Imbricate phacelia Perennial herb  
Phacelia imbricata ssp. patula Imbricate phacelia Perennial herb  
Phacelia imbricata var. patula Imbricate phacelia Perennial herb  
Phacelia mutabilis Changeable phacelia Perennial herb  
Phacelia nemoralis ssp. nemoralis Woods phacelia Perennial herb  
Phacelia nemoralis ssp. oregonensis Oregon 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. austrolitoralis South coast 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 Reed canarygrass Perennial grass 8
Phalaris arundinacea var. picta Ribbongrass Perennial grass 8
Phalaris californica Canarygrass Perennial grass 2
Phlox austromontana Southern mountain phlox Perennial herb  
Phlox diffusa Spreading phlox Perennial herb 3
Phlox douglasii Douglas' phlox Perennial herb 1
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  
Pholisma arenarium Dune food Perennial herb (parasitic)  
Phoradendron densum Dense mistletoe Perennial herb  
Phoradendron pauciflorum Fir mistletoe Perennial herb  
Phragmites australis Common reed Perennial grass 1
Phragmites australis ssp. americanus Perennial grass  
Phragmites australis ssp. berlandieri Perennial grass  
Phyla lanceolata Lance leaf lippia Perennial herb  
Phyla nodiflora Common lippia Perennial herb 12
Phyla nodiflora var. incisa Common lippia Perennial herb 11
Phyla nodiflora var. nodiflora Common lippia Perennial herb 11
Phyla nodiflora var. rosea Garden lippia Perennial herb 11
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 cooperi Coopers rein orchid Perennial herb  
Piperia elegans Rein orchid Perennial herb  
Piperia elongata Dense flowered rein orchid Perennial herb  
Piperia leptopetala Rein orchid Perennial herb  
Piperia michaelii Michael's rein orchid Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Piptatherum exiguum Little ricegrass Perennial grass  
Piptatherum micranthum Small flowered rice grass Perennial grass  
Pityopus californica Pityopus Perennial herb (mycoparasitic)  
Plantago maritima var. juncoides Rush like maritime plantain Perennial herb 4
Plantago subnuda Coastal plantain Perennial herb 6
Platanthera dilatata Scentbottle Perennial herb  
Platanthera dilatata var. leucostachys Sierra bog orchid Perennial herb  
Platanthera hyperborea Green flowered bog orchid Perennial herb  
Platanthera leucostachys White flowered bog orchid Perennial herb  
Platanthera sparsiflora Bog orchid Perennial herb  
Pleiacanthus spinosus Thorn skeletonweed Perennial herb  
Pleuraphis jamesii Galleta Perennial grass 9
Pleuraphis rigida Galletta grass Perennial grass 7
Pleuropogon davyi Davy's semaphore grass Perennial grass (rhizomatous)  
Poa ampla Western blue grass Perennial grass 14
Poa fendleriana Muttongrass Perennial grass 4
Poa fendleriana ssp. longiligula Fendler's blue grass Perennial grass  
Poa juncifolia Western blue grass Perennial grass 13
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. juncifolia Rush blue grass Perennial grass 13
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 17
Poa wheeleri Hooker's bluegrass Perennial grass 1
Polemonium occidentale ssp. occidentale Western polemonium Perennial herb 2
Polyctenium fremontii var. confertum Flat pod polyctenium Perennial herb  
Polygala cornuta Sierra milkwort Perennial herb  
Polygonum amphibium Water smartweed Perennial herb 2
Polygonum amphibium var. emersum Water smartweed Perennial herb (aquatic) 1
Polygonum amphibium var. stipulaceum Water smartweed Perennial herb 1
Polygonum 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 phytolaccifolium Pokeweed knotweed Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Porophyllum gracile Odora Perennial herb  
Potamogeton alpinus ssp. tenuifolius Alpine pondweed Perennial herb (aquatic)  
Potamogeton amplifolius Broad leaved pondweed Perennial herb (aquatic)  
Potamogeton epihydrus ssp. nuttallii Nuttall's pondweed Perennial herb (rhizomatous)  
Potamogeton filiformis Slender leaved pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus ssp. foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus var. fibrillosus Fibrous pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus var. foliosus Pondweed Perennial herb (aquatic)  
Potamogeton illinoensis Pondweed Perennial herb (aquatic)  
Potamogeton latifolius Nevada pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
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 biennis Biennial cinquefoil Perennial herb 1
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 14
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 Northwest cinquefoil Perennial herb 15
Potentilla gracilis var. elmeri Elmer's cinquefoil Perennial herb 1
Potentilla gracilis var. fastigiata Slender cinquefoil Perennial herb  
Potentilla gracilis var. pulcherrima White leaved cinquefoil Perennial herb  
Potentilla multijuga Ballona 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 7
Primula clevelandii var. clevelandii Cleveland's shooting star Perennial herb  
Primula clevelandii var. gracilis Padre's shooting star Perennial herb  
Primula clevelandii var. insularis Padre's shooting star Perennial herb 2
Primula clevelandii var. patula Padre's shooting star Perennial herb  
Primula fragrans Scented shooting star Perennial herb  
Primula jeffreyi Sierra shooting star Perennial herb 3
Prosartes hookeri var. hookeri Drops of gold Perennial herb 5
Prosartes hookeri var. parvifolia Drops of gold Perennial herb  
Prunella vulgaris Self heal Perennial herb 18
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 8
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
Pseudognaphalium thermale Small headed cudweed Perennial herb  
Pseudoroegneria spicata Bluebunch wheatgrass Perennial grass 4
Pseudoroegneria spicata ssp. spicata Bent grass Perennial grass 3
Psoralidium lanceolatum Scurf pea Perennial herb  
Pterospora andromedea Pine drops Perennial herb (parasitic)  
Ptilagrostis kingii King's ricegrass Perennial grass  
Puccinellia californica Sierra nevada alkali grass Perennial grass (rhizomatous)  
Puccinellia grandis Alaska alkali grass Perennial grass  
Puccinellia nuttalliana Nuttall's alkali grass Perennial grass 1
Pycnanthemum californicum California mint Perennial herb 4
Pyrola dentata Toothed wintergreen Perennial herb  
Pyrola minor Lesser wintergreen Perennial herb  
Pyrola picta White veined shinleaf Perennial herb  
Pyrrocoma apargioides Alpine pyrrocoma Perennial herb 1
Raillardiopsis muirii Muir's raillardella Perennial herb (rhizomatous)  
Raillardiopsis scabrida Scabrid raillardella Perennial herb  
Ranunculus aquatilis Whitewater crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. capillaceus Threadleaf crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. diffusus Whitewater 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 cymbalaria Alkali buttercup Perennial herb  
Ranunculus cymbalaria var. saximontanus Rocky mountain buttercup Perennial herb  
Ranunculus hydrocharoides Frog's bit buttercup Perennial herb (aquatic)  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Rhynchospora globularis var. globularis Round headed beaked rush Perennial grass (rhizomatous)  
Romneya coulteri Coulter's matilija poppy Perennial herb (rhizomatous) 46
Romneya trichocalyx Hairy matilija poppy Perennial herb 1
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 6
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 hymenosepalus Wild rhubarb Perennial herb  
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  
Rupertia physodes Common rupertia Perennial herb 1
Rupertia rigida Parish's rupertia Perennial herb  
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Ruppia maritima Ditch grass Perennial herb (aquatic)  
Sagina procumbens Arctic pearlwort Perennial herb  
Sagina saginoides Alpine pearlwort Perennial herb  
Sagittaria latifolia Broad leaf arrowhead Perennial herb (aquatic) 11
Sagittaria montevidensis Giant arrowhead Perennial herb (aquatic) 1
Sagittaria montevidensis ssp. calycina Montevideo arrowhead Perennial herb (aquatic)  
Salicornia pacifica Pickleweed Perennial herb 9
Salicornia subterminalis Parish's glasswort Perennial herb 4
Salvia sonomensis Sonoma sage Perennial herb 20
Salvia spathacea Hummingbird sage Perennial herb 38
Samolus parviflorus Water pimpernel Perennial herb  
Sanguisorba officinalis ssp. microcephala Great burnet Perennial herb (rhizomatous) 2
Sanicula arguta Sharp toothed snakeroot Perennial herb 2
Sanicula bipinnata Poison sanicle Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 2
Sanicula graveolens Sierra sanicle Perennial herb  
Sanicula tuberosa Turkey pea Perennial herb  
Sarcodes sanguinea Snow plant Perennial herb (mycoparasitic)  
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 36
Satureja mimuloides Monkey flower savory Perennial herb 7
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 15
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
Scrophularia atrata Black flowered figwort Perennial herb 5
Scrophularia californica California bee plant Perennial herb 32
Scrophularia californica ssp. californica California bee plant Perennial herb 32
Scrophularia californica ssp. floribunda Common california figwort Perennial herb 32
Scrophularia desertorum Desert figwort Perennial herb  
Scutellaria bolanderi Bolander's skullcap Perennial herb  
Scutellaria bolanderi ssp. austromontana Southern skullcap Perennial herb (rhizomatous)  
Scutellaria siphocampyloides Gray leaved skullcap Perennial herb 5
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 28
Selinocarpus nevadensis Desert wing fruit Perennial herb  
Senecio astephanus San gabriel ragwort 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 indecorus Rayless mountain butterweed Perennial herb  
Senecio integerrimus Mountain butterweed Perennial herb  
Senecio integerrimus var. exaltatus Columbia 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 spartioides Broom groundsel Perennial herb  
Senecio streptanthifolius Cleft leaved groundsel Perennial herb  
Senecio triangularis 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  
Sesuvium verrucosum Western sea purslane Perennial herb  
Setaria gracilis Perennial foxtail Perennial grass  
Setaria parviflora Marsh bristlegrass Perennial grass  
Sidalcea malviflora Wild hollyhock Perennial herb 21
Sidalcea malviflora ssp. asprella Harsh checker mallow Perennial herb (rhizomatous)  
Sidalcea malviflora ssp. dolosa Deceitful 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)  
Sidalcea neomexicana Mountain sidalcea Perennial herb 2
Sidalcea sparsifolia Southern checkerbloom Perennial herb (rhizomatous)  
Silene laciniata Cardinal catchfly Perennial herb 7
Silene laciniata ssp. californica California indian pink Perennial herb 2
Silene laciniata ssp. laciniata Cardinal catchfly Perennial herb 3
Silene laciniata ssp. major Indian pink Perennial herb 3
Silene lemmonii Lemmon's catchfly Perennial herb  
Silene parishii Parish's campion Perennial herb  
Silene scouleri ssp. grandis Scouler's campion Perennial herb  
Sisyrinchium bellum Blue eyed grass Perennial herb 62
Sisyrinchium douglasii var. douglasii Douglas' blue eyed grass Perennial herb 1
Sisyrinchium idahoense Idaho blue eyed grass Perennial herb 5
Sisyrinchium idahoense var. occidentale Idaho blue eyed grass Perennial herb  
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 17
Solanum clokeyi Island nightshade Perennial herb 1
Solanum douglasii Douglas' nightshade Perennial herb 5
Solanum wallacei Northern island nightshade Perennial herb 1
Solanum xanti Nightshade Perennial herb, Shrub 15
Solidago altissima var. altissima Late goldenrod Perennial herb  
Solidago californica Oreja de liebre Perennial herb 27
Solidago canadensis ssp. elongata Canada goldenrod Perennial herb 3
Solidago canadensis var. salebrosa Rough canada goldenrod Perennial herb 1
Solidago confinis Southern goldenrod Perennial herb 3
Solidago gigantea Smooth goldenrod Perennial herb (rhizomatous)  
Solidago sparsiflora Great basin goldenrod Perennial herb 5
Solidago spathulata ssp. spathulata Coast goldenrod Perennial herb 5
Solidago spectabilis Showy goldenrod Perennial herb 3
Solidago velutina Threenerve goldenrod Perennial herb 9
Solidago velutina ssp. californica Oreja de liebre Perennial herb 27
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. greenei Bur reed Perennial herb 2
Spartina foliosa Pacific cordgrass Perennial grass  
Spergularia macrotheca Sticky sand spurry Perennial herb 1
Spergularia macrotheca var. leucantha White sticky sand spurry Perennial herb  
Spergularia macrotheca var. macrotheca Sticky sand spurry Perennial herb  
Sphaeralcea ambigua Desert mallow Perennial herb 29
Sphaeralcea ambigua var. ambigua Apricot mallow Perennial herb 2
Sphaeralcea ambigua var. rosacea Rosy apricot mallow Perennial herb  
Sphaeralcea ambigua var. rugosa Desert globemallow Perennial herb  
Sphaeralcea emoryi Emory's globemallow Perennial herb 1
Sphaeralcea emoryi var. emoryi Emory's desert mallow Perennial herb 1
Sphaeralcea grossulariifolia Gooseberryleaf globemallow Perennial herb, Shrub 1
Sphaeralcea grossulariifolia ssp. grossulariifolia Gooseberry leaved globemallow Perennial herb, Shrub 1
Sphaeralcea grossulariifolia var. grossulariifolia Gooseberryleaf globemallow Perennial herb, Shrub 1
Sphenosciadium capitellatum Grayswamp whiteheads Perennial herb 2
Spirodela polyrrhiza Giant duckmeat Perennial herb  
Sporobolus airoides Alkali sacaton Perennial grass 21
Sporobolus airoides var. wrightii Alkali sacaton Perennial grass 7
Sporobolus contractus Spike dropseed Perennial grass 1
Sporobolus cryptandrus Sand dropseed Perennial grass 11
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 albens Cobwebby hedge nettle Perennial herb 9
Stachys bullata Southern hedge nettle Perennial herb 17
Stachys palustris ssp. pilosa Marsh hedge nettle Perennial herb 1
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 Prince's plume Perennial herb, Shrub 7
Stanleya pinnata var. inyoensis Inyo prince's plume Perennial herb, Shrub 2
Stanleya pinnata var. pinnata Prince's plume Perennial herb, Shrub 2
Stellaria longipes var. longipes Long stalked starwort Perennial herb  
Stenotus stenophyllus Narrowleaf goldenweed Perennial herb  
Stephanomeria cichoriacea Fort tejon milk aster Perennial herb 1
Stephanomeria exigua ssp. carotifera White plume stephanomeria Perennial herb  
Stephanomeria parryi Parry rock pink Perennial herb  
Stephanomeria pauciflora Wire lettuce Perennial herb 1
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  
Stephanomeria tenuifolia Narrow leaved wire lettuce Perennial herb  
Stillingia linearifolia Narrow leaved stillingia Perennial herb  
Stillingia paucidentata Tooth leaf Perennial herb 1
Stipa cernua Nodding needle grass Perennial grass 24
Stipa comata Needle-and-thread Perennial grass 10
Stipa coronata Crested needle grass Perennial grass 7
Stipa diegoensis San diego county needle grass Perennial grass  
Stipa hymenoides Indian rice grass Perennial grass 15
Stipa latiglumis Wide-glumed needle grass Perennial grass  
Stipa lepida Foothill needle grass Perennial grass 27
Stipa occidentalis Western needlegrass Perennial grass 2
Stipa occidentalis var. californica California needle grass Perennial grass  
Stipa occidentalis var. occidentalis Western needle grass Perennial grass  
Stipa occidentalis var. pubescens Common western needle grass Perennial grass  
Stipa parishii Parish's needlegrass Perennial grass  
Stipa parishii var. parishii Parish's needlegrass Perennial grass  
Stipa pulchra Purple needle grass Perennial grass 42
Stipa speciosa Desert needle grass Perennial grass 8
Stipa thurberiana Thurber's needle grass Perennial grass  
Streptanthus bernardinus Laguna mtns. jewel flower Perennial herb  
Streptanthus campestris Southern jewel flower Perennial herb  
Streptanthus cordatus var. duranii Duran's jewelflower Perennial herb  
Streptanthus longisiliqus Long fruit jewel flower Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Suaeda esteroa Estuary seablite Perennial herb 1
Suaeda moquinii Bush seepweed Perennial herb 3
Suaeda nigra 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 ascendens Western aster Perennial herb 1
Symphyotrichum bracteolatum Eaton's aster Perennial herb 2
Symphyotrichum campestre var. bloomeri Bloomer's aster Perennial herb  
Symphyotrichum campestre var. campestre Western meadow aster Perennial herb  
Symphyotrichum chilense Pacific aster Perennial herb 35
Symphyotrichum chilense var. chilense Pacific aster Perennial herb 13
Symphyotrichum chilense var. invenustum Pacific aster Perennial herb 11
Symphyotrichum chilense var. medium Pacific aster Perennial herb 11
Symphyotrichum defoliatum San bernardino aster Perennial herb (rhizomatous)  
Symphyotrichum eatonii Eaton's aster Perennial herb 2
Symphyotrichum greatae Greata's aster Perennial herb (rhizomatous)  
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 camphoratum Dune tansy Perennial herb 10
Taraxacum californicum California dandelion Perennial herb  
Taraxia subacaulis Long leaved suncup Perennial herb  
Tauschia arguta Southern tauschia Perennial herb  
Tauschia hartwegii Hartweg's umbrellawort Perennial herb 1
Tauschia parishii Parish's tauschia Perennial herb  
Thalictrum fendleri Fendler's meadow rue Perennial herb 11
Thalictrum fendleri var. fendleri Fendler's meadow rue Perennial herb  
Thalictrum fendleri var. polycarpum Torrey's meadow rue Perennial herb 12
Thalictrum polycarpum Fendler's meadow-rue Perennial herb 12
Thelypodium integrifolium Entire leaved thelypodium Perennial herb  
Thelypodium integrifolium ssp. affine White entire leaved thelypodium Perennial herb  
Thermopsis californica California goldenbanner Perennial herb 1
Thermopsis californica var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Thermopsis gracilis var. gracilis Slender false lupine Perennial herb (rhizomatous) 1
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) 1
Thlaspi californicum Kneeland prairie pennycress Perennial herb  
Thlaspi montanum ssp. montanum Perennial herb  
Thymophylla pentachaeta Fiveneedle pricklyleaf Perennial herb 3
Thymophylla pentachaeta var. belenidium Five needled thymophylla Perennial herb 1
Tidestromia oblongifolia Honey sweet Perennial herb  
Tiquilia canescens Woody crinklemat Perennial herb, Shrub  
Tiquilia palmeri Palmer's coldenia Perennial herb  
Tofieldia occidentalis ssp. occidentalis Western tofieldia Perennial herb  
Toxicoscordion brevibracteatum Desert death camas Perennial herb  
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Trautvetteria caroliniensis var. occidentalis Western trautvetteria Perennial herb 1
Tridens muticus Slim tridens Perennial grass  
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 Carpet clover Perennial herb  
Trifolium monanthum ssp. grantianum Grant's carpet clover Perennial herb  
Trifolium monanthum ssp. monanthum Carpet 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 6
Trifolium wormskioldii var. arizonicum Spinytooth clover Perennial herb  
Trifolium wormskioldii var. siskiyouense Siskiyou clover Perennial herb  
Triglochin concinna Arrow grass Perennial herb (aquatic)  
Triglochin maritima Seaside arrow grass Perennial herb (aquatic) 6
Trillium rivale Siskiyou wakerobin Perennial herb 1
Trimorpha acris var. debilis Northern daisy Perennial herb  
Trimorpha lonchophylla Spearleaved northern daisy Perennial herb  
Trisetum cernuum var. projectum Nodding oatgrass Perennial grass  
Trisetum spicatum Narrow oatgrass Perennial grass  
Triteleia clementina San clemente island triteleia Perennial herb (bulb) 1
Triteleia dudleyi Dudley's triplet lily Perennial herb  
Triteleia grandiflora var. howellii Howell's triteleia Perennial herb  
Triteleia hendersonii var. hendersonii Henderson's triteleia Perennial herb (bulb)  
Triteleia ixioides Pretty face Perennial herb 6
Triteleia ixioides ssp. anilina Mountain pretty face Perennial herb 1
Triteleia ixioides ssp. ixioides Golden brodiaea Perennial herb 1
Triteleia ixioides ssp. scabra Foothill triteleia Perennial herb 1
Triteleia laxa Ithuriel's spear Perennial herb 11
Triteleia lugens Coast range triplet lily Perennial herb  
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  
Venegasia carpesioides Canyon sunflower Perennial herb 10
Veratrum californicum California false hellebore Perennial herb 3
Veratrum californicum var. californicum California corn lily Perennial herb  
Veratrum viride var. eschscholzianum Green false hellebore Perennial herb 4
Verbena lasiostachys Western vervain Perennial herb 18
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 18
Verbena lasiostachys var. scabrida Robust vervain Perennial herb 18
Verbena officinalis var. officinalis Herb of the cross Perennial herb  
Verbena scabra Rough vervain Perennial herb  
Veronica americana American brooklime Perennial herb 6
Vicia americana American vetch Perennial herb, Vine 4
Vicia americana ssp. americana American vetch Perennial herb, Vine  
Vicia americana var. americana Vetch Perennial herb, Vine  
Viola 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 langsdorfii Langsdorf's violet Perennial herb  
Viola macloskeyi Macloskey's violet Perennial herb 1
Viola macloskeyi ssp. pallens Small white violet Perennial herb 1
Viola nephrophylla Leconte violet Perennial herb  
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 pinetorum Pine violet Perennial herb 2
Viola pinetorum ssp. grisea Grey leaved violet Perennial herb  
Viola pinetorum ssp. pinetorum Pine violet Perennial herb  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. mesophyta Goosefoot violet Perennial herb  
Viola purpurea ssp. mohavensis Mojave goosefoot violet Perennial herb  
Viola purpurea ssp. purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Viola purpurea ssp. venosa Desert violet Perennial herb  
Viola sheltonii Shelton's violet Perennial herb  
Viola sororia ssp. affinis Northern bog violet Perennial herb  
Whitneya dealbata Whitneya Perennial herb  
Wyethia ovata Southern wyethia Perennial herb  
Xylorhiza tortifolia Mojave woodyaster Perennial herb 4
Xylorhiza tortifolia var. tortifolia Desert aster Perennial herb  
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  
Zostera marina Eel grass Perennial herb  
  Lifeform: Fern83 plants
Adiantum aleuticum Five finger maidenhair Fern 9
Adiantum capillus-veneris Maidenhair fern Fern 14
Adiantum jordanii California maidenhair fern Fern 4
Argyrochosma jonesii Jones' false cloak fern Fern  
Aspidotis californica California lace fern Fern 1
Asplenium trichomanes-ramosum Green spleenwort Fern (rhizomatous)  
Asplenium vespertinum Western spleenwort Fern  
Athyrium filix-femina Common ladyfern Fern 20
Athyrium filix-femina ssp. cyclosorum Subarctic ladyfern Fern 1
Athyrium filix-femina var. cyclosorum Western lady fern Fern 1
Azolla filiculoides Mosquito fern Fern  
Azolla mexicana Mexican mosquito fern Fern  
Azolla microphylla Mexican mosquito fern Fern  
Botrychium crenulatum Scalloped moonwort Fern (rhizomatous)  
Botrychium multifidum Common grapefern Fern  
Botrychium virginianum Rattlesnake fern Fern  
Cheilanthes clevelandii Cleveland's lipfern Fern  
Cheilanthes cooperae Mrs. cooper's lipfern Fern  
Cheilanthes covillei Coville's lip fern Fern 4
Cheilanthes feei Slender lipfern Fern  
Cheilanthes gracillima Lace lip fern Fern 1
Cheilanthes intertexta Coastal lipfern Fern  
Cheilanthes newberryi Newberry's lipfern Fern  
Cheilanthes parryi Parry cloak fern Fern  
Cheilanthes viscida Viscid lip fern Fern  
Cheilanthes wootonii Wooton's lace fern Fern (rhizomatous)  
Cystopteris fragilis Brittle fern Fern 1
Dryopteris arguta Wood fern Fern 8
Dryopteris filix-mas Male fern Fern (rhizomatous) 6
Equisetum Xferrissii Ferris' horsetail Fern  
Equisetum arvense Common horsetail Fern 7
Equisetum hyemale Scouringrush horsetail Fern 31
Equisetum hyemale ssp. affine Giant scouring rush Fern 7
Equisetum hyemale var. affine Scouringrush horsetail Fern 4
Equisetum laevigatum Smooth scouring rush Fern 3
Equisetum telmateia Giant horsetail Fern 3
Equisetum telmateia ssp. braunii Giant horsetail Fern 1
Equisetum telmateia var. braunii Giant horsetail Fern 1
Isoetes bolanderi var. pygmaea Bolander's quillwort Fern  
Isoetes howellii var. minima Howell's quillwort Fern  
Isoetes nuttallii Nuttall's quillwort Fern  
Marsilea vestita Hairy waterclover Fern 6
Marsilea vestita ssp. vestita Hairy pepperwort Fern 5
Myriopteris clevelandii Cleveland's lip fern Fern  
Myriopteris covillei Coville's lip fern Fern 4
Myriopteris newberryi Newberry's lip fern Fern  
Myriopteris viscida Viscid lace fern Fern  
Notholaena californica California cloak fern Fern  
Notholaena californica ssp. californica California cloak fern Fern  
Notholaena californica ssp. leucophylla California cloak fern Fern  
Ophioglossum californicum California adder's tongue Fern (rhizomatous)  
Pellaea andromedifolia Coffee fern Fern 3
Pellaea andromedifolia var. pubescens Coffee fern Fern 3
Pellaea mucronata Bird's foot fern Fern 2
Pellaea mucronata var. californica Bird's foot fern Fern  
Pellaea mucronata var. mucronata Bird's foot fern Fern  
Pentagramma glanduloviscida Fern  
Pentagramma pallida Silver back fern Fern  
Pentagramma triangularis Gold back fern Fern 3
Pentagramma triangularis ssp. semipallida Pale gold back fern Fern 3
Pentagramma triangularis ssp. triangularis Gold back fern Fern  
Pentagramma triangularis ssp. viscosa Sticky gold back fern Fern  
Pentagramma viscosa Sticky gold back fern Fern  
Pilularia americana Pillwort Fern  
Polypodium californicum California polypody Fern 13
Polypodium calirhiza Licorice fern Fern 3
Polystichum imbricans Narrow leaved sword fern Fern 1
Polystichum imbricans ssp. curtum Cliff sword fern Fern  
Polystichum imbricans ssp. imbricans Rock sword fern Fern  
Polystichum munitum Western sword fern Fern 45
Polystichum scopulinum Mountain holly fern Fern  
Pteridium aquilinum Western brackenfern Fern 6
Pteridium aquilinum var. pubescens Western bracken fern Fern  
Selaginella arizonica Arizona spikemoss Fern (rhizomatous)  
Selaginella asprella Bluish spike moss Fern (rhizomatous)  
Selaginella bigelovii Bigelow's moss fern Fern (mosslike) 2
Selaginella cinerascens Ashy spike moss Fern (rhizomatous)  
Selaginella densa var. scopulorum Rocky mountain spike moss Fern (mosslike)  
Selaginella leucobryoides Mojave spike moss Fern (rhizomatous)  
Selaginella watsonii Watson's spike moss Fern (mosslike)  
Thelypteris puberula Showy maiden fern Fern (rhizomatous) 4
Thelypteris puberula var. sonorensis Sonoran maiden fern Fern (rhizomatous) 1
Woodwardia fimbriata Western chain fern Fern 32
  Lifeform: Shrub782 plants
Acacia greggii Cats claw acacia Shrub 7
Acalypha californica California acalypha Shrub 3
Acamptopappus sphaerocephalus Goldenhead Shrub 3
Acamptopappus sphaerocephalus var. hirtellus Hairy goldenhead Shrub  
Acamptopappus sphaerocephalus var. sphaerocephalus Goldenhead Shrub  
Acer glabrum var. greenei Greene's mountain maple Tree, Shrub  
Acer glabrum var. torreyi Torrey's mountain maple Tree, Shrub  
Acmispon dendroideus Island broom Shrub  
Acmispon dendroideus var. dendroideus Island broom Shrub  
Acmispon dendroideus var. traskiae San clemente island lotus Shrub  
Adenostoma fasciculatum Chamise Tree, Shrub 15
Adenostoma fasciculatum var. fasciculatum Chamise Tree, Shrub 2
Adolphia californica California adolphia Shrub 2
Allenrolfea occidentalis Iodine bush Shrub  
Alnus rubra Red alder Tree, Shrub 30
Ambrosia dumosa Burro weed Shrub 8
Ambrosia salsola Burrobrush Shrub 6
Ambrosia salsola var. salsola Burrobrush Shrub  
Amelanchier alnifolia Service berry Shrub 31
Amelanchier pallida Pallid service berry Shrub 3
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Amelanchier utahensis ssp. covillei Coville's service berry Shrub  
Amelanchier utahensis ssp. utahensis Utah service berry Shrub  
Amelanchier utahensis var. utahensis Utah serviceberry Shrub  
Amorpha californica False indigo Shrub 3
Amorpha californica var. californica California false indigo Shrub  
Amorpha fruticosa Western false indigo Shrub 9
Arctostaphylos Xcampbelliae Shrub  
Arctostaphylos Xjepsonii Hybrid manzanita Tree, Shrub  
Arctostaphylos Xknightii Hybrid manzanita Shrub  
Arctostaphylos Xoblongifolia Hybrid manzanita Shrub  
Arctostaphylos Xpacifica Hybrid manzanita Shrub 1
Arctostaphylos Xparvifolia Hybrid manzanita Shrub  
Arctostaphylos canescens Hoary manzanita Shrub 1
Arctostaphylos canescens ssp. canescens Hoary manzanita Shrub  
Arctostaphylos catalinae Santa catalina island manzanita Shrub 2
Arctostaphylos columbiana Redwood manzanita Tree, Shrub 5
Arctostaphylos columbiana f. tracyi Tracy's redwood manzanita Tree, Shrub 5
Arctostaphylos crustacea Brittle leaf manzanita Shrub 5
Arctostaphylos crustacea ssp. subcordata Santa cruz island manzanita Shrub 2
Arctostaphylos gabrielensis San gabriel manzanita Shrub 1
Arctostaphylos glandulosa Eastwood manzanita Shrub 5
Arctostaphylos glandulosa f. cushingiana Cushing's manzanita Shrub  
Arctostaphylos glandulosa ssp. adamsii Adams' manzanita Shrub  
Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita Shrub  
Arctostaphylos glandulosa ssp. gabrielensis San gabriel manzanita Shrub 1
Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita Shrub 2
Arctostaphylos glandulosa ssp. glaucomollis San gabriel mts. manzanita Shrub 1
Arctostaphylos glandulosa ssp. mollis Transverse range manzanita Shrub 1
Arctostaphylos glandulosa ssp. zacaensis Zaca lake manzanita Shrub 2
Arctostaphylos glauca Big berry manzanita Tree, Shrub 12
Arctostaphylos hookeri ssp. franciscana San francisco manzanita Shrub 10
Arctostaphylos hookeri ssp. montana Mt. tamalpais manzanita Shrub  
Arctostaphylos hookeri ssp. ravenii Raven's manzanita Shrub  
Arctostaphylos manzanita Common manzanita Shrub 26
Arctostaphylos mendocinoensis Pygmy manzanita Shrub  
Arctostaphylos mewukka Indian manzanita Shrub  
Arctostaphylos parryana Parry manzanita Shrub 1
Arctostaphylos parryana ssp. desertica Desert manzanita Shrub  
Arctostaphylos parryana ssp. parryana Parry manzanita Shrub 1
Arctostaphylos parryana ssp. tumescens Parry manzanita Shrub  
Arctostaphylos patula Green leaf manzanita Shrub 14
Arctostaphylos peninsularis ssp. peninsularis Peninsular manzanita Shrub  
Arctostaphylos pringlei Pringle manzanita Shrub 2
Arctostaphylos pringlei ssp. drupacea Pink bracted manzanita Shrub 2
Arctostaphylos pungens Mexican manzanita Tree, Shrub 4
Arctostaphylos tomentosa Woolly leaf manzanita Shrub 6
Arctostaphylos tomentosa f. hebeclada Woolly twig manzanita Shrub  
Arctostaphylos tomentosa ssp. crinita Santa cruz mtns. manzanita Shrub  
Arctostaphylos tomentosa ssp. crustacea Brittle leaf manzanita Shrub 4
Arctostaphylos tomentosa ssp. eastwoodiana Eastwood's manzanita Shrub  
Arctostaphylos tomentosa ssp. insulicola Island manzanita Shrub  
Arctostaphylos tomentosa ssp. rosei Rose's manzanita Shrub 1
Arctostaphylos tomentosa ssp. subcordata Heart leaved manzanita Shrub 2
Arctostaphylos uva-ursi Kinnikinnick Shrub 49
Arctostaphylos uva-ursi f. adenotricha Glandular kinnikinnick Shrub  
Arctostaphylos uva-ursi f. coactilis Southern kinnikinnick Shrub 31
Arctostaphylos viridissima Mcminn's manzanita Shrub 4
Arctostaphylos viscida Whiteleaf manzanita Tree, Shrub 6
Arctostaphylos viscida ssp. viscida Smooth white leaf manzanita Tree, Shrub 2
Arctostaphylos wellsii Wells's manzanita Shrub 1
Arida carnosa Shrubby alkali aster Shrub  
Artemisia californica Coastal sage brush Shrub 45
Artemisia nesiotica Island sagebrush Shrub  
Artemisia nova Black sagebrush Shrub 4
Artemisia palmeri San diego sagewort Shrub 10
Artemisia spinescens Budsage Shrub  
Artemisia tridentata Common sagebrush Shrub 27
Artemisia tridentata ssp. parishii Parish's sagebrush Shrub 1
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3
Artemisia tridentata ssp. vaseyana Mountain sagebrush Shrub 8
Astragalus pachypus var. jaegeri Jaeger's milk vetch Shrub  
Atriplex canescens Hoary saltbush Shrub 22
Atriplex canescens ssp. canescens Shadscale Shrub 1
Atriplex canescens ssp. linearis Narrow leaved wingscale Shrub  
Atriplex canescens var. canescens Fourwing saltbush Shrub 1
Atriplex canescens var. laciniata Caleb saltbush Shrub  
Atriplex canescens var. linearis Slenderleaf saltbush Shrub 1
Atriplex confertifolia Spiny saltbush Shrub 8
Atriplex hymenelytra Desert holly Shrub 2
Atriplex lentiformis Big saltbush Shrub 33
Atriplex lentiformis ssp. breweri Quailbush Shrub 14
Atriplex lentiformis ssp. lentiformis Brewer's saltbrush Shrub 3
Atriplex lentiformis ssp. torreyi Torrey's saltbush Shrub  
Atriplex parryi Parry's saltbush Shrub  
Atriplex polycarpa Cattle spinach Shrub 10
Atriplex spinifera Spinescale saltbush Shrub 6
Baccharis emoryi Emory's baccharis Shrub 7
Baccharis malibuensis Malibu baccharis Shrub  
Baccharis pilularis Coyote brush Shrub 60
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 51
Baccharis plummerae Plummer's baccharis Shrub 2
Baccharis plummerae ssp. plummerae Plummer's baccharis Shrub  
Baccharis salicifolia Mule fat Shrub 27
Baccharis salicifolia ssp. salicifolia Mule fat Shrub 8
Baccharis salicina Willow baccharis Shrub 7
Baccharis sarothroides Broom baccharis Shrub 9
Baccharis sergiloides Desert baccharis Shrub 1
Bahiopsis laciniata San Diego County viguiera Shrub 8
Batis maritima Saltwort Shrub  
Bebbia juncea Sweetbush Shrub 4
Bebbia juncea var. aspera Rough sweetbush Shrub  
Berberis aquifolium Mountain grape Shrub 47
Berberis aquifolium var. aquifolium Oregon grape Shrub 37
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3
Berberis aquifolium var. repens Creeping oregon grape Shrub 30
Berberis nevinii Nevin's barberry Shrub 14
Berberis pinnata Shiny leaf mahonia Shrub 7
Berberis pinnata ssp. pinnata Coast barberry Shrub  
Bergerocactus emoryi Golden spined cereus Shrub (stem succulent) 2
Bernardia myricifolia Western bernardia Shrub  
Brickellia arguta California spear leaved brickellia Shrub 1
Brickellia arguta var. arguta California spear leaved brickellia Shrub 1
Brickellia arguta var. odontolepis California spear leaved brickellia Shrub  
Brickellia desertorum Desert brickellia Shrub  
Brickellia incana Woolly brickellia Shrub 1
Brickellia longifolia Willow leaved brickellia Shrub  
Brickellia microphylla Little leaved brickellia Shrub  
Brickellia microphylla var. microphylla Littleleaf brickellbush Shrub  
Brickellia multiflora Gum leaved brickellia Shrub  
Brickellia nevinii Nevin's brickellia Shrub 2
Caesalpinia virgata Narrow hoffmannseggia Shrub  
Cassiope mertensiana ssp. californica California moss heather Shrub  
Ceanothus Xotayensis Shrub  
Ceanothus Xregius Blueblossom x wartleaf ceanothus Shrub  
Ceanothus arboreus Island ceanothus Shrub 12
Ceanothus cordulatus Snow bush Shrub 7
Ceanothus crassifolius Hoary leaved ceanothus Shrub 6
Ceanothus crassifolius var. crassifolius Hoary leaved ceanothus Shrub 1
Ceanothus crassifolius var. planus Hoary leaved ceanothus Shrub 5
Ceanothus cuneatus Buck brush Shrub 24
Ceanothus cuneatus var. cuneatus Buck brush Shrub 2
Ceanothus cuneatus var. rigidus Monterey ceanothus Shrub 6
Ceanothus cyaneus Lakeside ceanothus Shrub 4
Ceanothus dentatus Dwarf ceanothus Shrub 3
Ceanothus greggii Desert ceanothus Shrub 3
Ceanothus greggii var. perplexans Cupped leaf ceanothus Shrub  
Ceanothus greggii var. vestitus California lilac Shrub  
Ceanothus griseus Carmel ceanothus Shrub 38
Ceanothus griseus var. horizontalis Yankee point ceanothus Shrub 25
Ceanothus impressus Santa barbara ceanothus Shrub 39
Ceanothus impressus var. impressus Santa barbara ceanothus Shrub  
Ceanothus integerrimus Deer brush Shrub 15
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 15
Ceanothus jepsonii Musk brush Shrub  
Ceanothus jepsonii var. albiflorus White flowered musk brush Shrub  
Ceanothus jepsonii var. jepsonii Musk brush Shrub  
Ceanothus leucodermis Chaparral whitethorn Shrub 8
Ceanothus megacarpus Big pod ceanothus Shrub 9
Ceanothus megacarpus var. insularis Island bigpod ceanothus Shrub  
Ceanothus megacarpus var. megacarpus Big pod ceanothus Shrub 1
Ceanothus megacarpus var. pendulus Drooping big pod ceanothus Shrub 1
Ceanothus oliganthus Hairy ceanothus Shrub 5
Ceanothus oliganthus var. oliganthus Hairy ceanothus Shrub 5
Ceanothus oliganthus var. orcuttii San diego hairy ceanothus Shrub 4
Ceanothus oliganthus var. sorediatus Jim brush Shrub  
Ceanothus palmeri Palmer's ceanothus Shrub 1
Ceanothus papillosus var. papillosus Wartleaf ceanothus Shrub  
Ceanothus papillosus var. roweanus Mt. tranquillon ceanothus Shrub 21
Ceanothus pauciflorus Mojave ceanothus Shrub  
Ceanothus perplexans Cupped leaf ceanothus Shrub  
Ceanothus prostratus var. laxus Large leaved carpet Shrub 10
Ceanothus rigidus Monterey ceanothus Shrub 12
Ceanothus spinosus Greenbark ceanothus Tree, Shrub 11
Ceanothus thyrsiflorus Blueblossom Tree, Shrub 43
Ceanothus thyrsiflorus var. griseus Carmel ceanothus Shrub 18
Ceanothus thyrsiflorus var. repens Creeping blueblossom Tree, Shrub 31
Ceanothus tomentosus Woolly leaf ceanothus Shrub 7
Ceanothus tomentosus var. olivaceus Southern woolly leaf ceanothus Shrub 7
Ceanothus tomentosus var. tomentosus Woolly leaf ceanothus Shrub 6
Ceanothus velutinus var. hookeri Hooker's tobacco brush Tree, Shrub 10
Ceanothus velutinus var. laevigatus Hooker's ceanothus Tree, Shrub 10
Ceanothus velutinus var. velutinus Tobacco brush Tree, Shrub 11
Ceanothus vestitus Mojave ceanothus Shrub  
Cephalanthus occidentalis var. californicus California buttonbush Shrub 14
Cercidium microphyllum Yellow palo verde Tree, Shrub 10
Cercis occidentalis Western redbud Tree, Shrub 65
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 46
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Cercocarpus betuloides var. blancheae Island mountain mahogany Shrub 2
Cercocarpus intricatus Little leaved mountain mahogany Shrub  
Cercocarpus ledifolius Desert mountainmahogany Tree, Shrub 18
Cercocarpus ledifolius var. intercedens Curl leaf mountain mahogany Tree, Shrub  
Cercocarpus ledifolius var. intermontanus Curl leaved mountain mahogany Tree, Shrub  
Cercocarpus ledifolius var. ledifolius Curl leaf mountain mahogany Tree, Shrub  
Cercocarpus traskiae Catalina island mountain mahogany Shrub 3
Chamaebatia australis Southern mountain misery Shrub  
Chilopsis linearis Desert willow Shrub 40
Chrysolepis chrysophylla Golden chinquapin Tree, Shrub 4
Chrysolepis chrysophylla var. minor Bush chinquapin Tree, Shrub  
Chrysolepis sempervirens Sierra chinquapin Shrub 2
Chrysothamnus nauseosus Common rabbitbrush Shrub 25
Chrysothamnus nauseosus ssp. albicaulis Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. bernardinus San bernardino rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. ceruminosus Sharp bracted rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. consimilis Gray rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. hololeucus Common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. leiospermus Common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. mohavensis Mohave common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. viridulus Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. washoensis Washoe common rabbitbrush Shrub  
Chrysothamnus parryi Parry's rabbit brush Shrub  
Chrysothamnus parryi ssp. asper Rough parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. bolanderi Bolander's rabbitbrush Shrub  
Chrysothamnus parryi ssp. imulus Parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. latior Parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. monocephalus Single headed parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. nevadensis Nevada parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. vulcanicus Parry's rabbitbrush Shrub  
Chrysothamnus teretifolius Terete leaved rubberbrush Shrub  
Chrysothamnus viscidiflorus Green rabbitbrush Shrub 5
Chrysothamnus viscidiflorus ssp. latifolius Sticky leaved rabbitbrush Shrub  
Chrysothamnus viscidiflorus ssp. viscidiflorus Sticky leaved rabbitbrush Shrub  
Coleogyne ramosissima Black brush Shrub 3
Comarostaphylis diversifolia Summer holly Shrub 10
Comarostaphylis diversifolia ssp. diversifolia California comarostaphylis Shrub 1
Comarostaphylis diversifolia ssp. planifolia Flat leaf summer holly Shrub  
Constancea nevinii Nevin's woolly sunflower Shrub 8
Coreopsis gigantea Giant coreopsis Shrub 23
Cornus glabrata Brown dogwood Tree, Shrub 10
Cornus nuttallii Mountain dogwood Shrub 26
Cornus sericea American dogwood Shrub 42
Cornus sericea ssp. occidentalis Western dogwood Shrub 8
Cornus sericea ssp. sericea Red osier dogwood Shrub 35
Corylus cornuta var. californica California hazelnut Shrub 9
Crataegus columbiana Columbia hawthorn Tree, Shrub 11
Crataegus suksdorfii Klamath hawthorn Tree, Shrub 3
Crocanthemum greenei Island rush-rose Shrub  
Crocanthemum scoparium Bisbee Peak Rushrose Shrub 12
Crocanthemum scoparium var. vulgare Bisbee Peak Rushrose Shrub 11
Crossosoma bigelovii Bigelow's ragged rock flower Shrub 1
Crossosoma californicum Catalina crossosoma Shrub 2
Cupressus macnabiana Macnab's cypress Tree, Shrub 7
Cupressus sargentii Sargent cypress Tree, Shrub 3
Cylindropuntia Xfosbergii Hoffmann's teddybear cholla Shrub (stem succulent) 1
Cylindropuntia acanthocarpa var. coloradensis Colorado buckhorn cholla Shrub (stem succulent) 1
Cylindropuntia bigelovii var. bigelovii Teddybear cholla Shrub (stem succulent) 1
Cylindropuntia echinocarpa Silver cholla Shrub (stem succulent) 2
Cylindropuntia prolifera Coastal cholla Shrub (stem succulent) 7
Cylindropuntia ramosissima Branched pencil cholla Shrub (stem succulent)  
Deinandra clementina Island tarplant Shrub  
Deinandra minthornii Santa susana tarplant Shrub 2
Dendromecon harfordii Channel Island tree poppy Shrub 16
Dendromecon harfordii var. harfordii Channel island tree poppy Shrub 16
Dendromecon harfordii var. rhamnoides Island tree poppy Shrub 15
Dendromecon rigida Bush poppy Shrub 15
Diplacus aurantiacus Sticky monkeyflower Shrub 54
Diplacus linearis Chaparral bush monkeyflower Shrub 1
Diplacus puniceus Sticky monkeyflower Shrub 26
Echinocereus coccineus var. coccineus Scarlet hedgehog cactus Shrub (stem succulent)  
Echinocereus engelmannii Calico cactus Shrub (stem succulent) 2
Echinocereus engelmannii var. engelmannii Engelmann's hedgehog cactus Shrub (stem succulent) 2
Echinocereus triglochidiatus Mohave mound cactus Shrub (stem succulent) 3
Echinomastus johnsonii Johnson's fishhook cactus Shrub (stem succulent)  
Empetrum nigrum ssp. hermaphroditum Black crowberry Shrub 1
Empetrum nigrum ssp. nigrum Black crowberry Shrub  
Encelia actoni Acton encelia Shrub 2
Encelia californica Bush sunflower Shrub 30
Encelia farinosa Brittlebush Shrub 23
Encelia farinosa X Encelia frutescens Shrub  
Encelia farinosa X frutescens Hybrid encelia Shrub  
Encelia frutescens Rayless encelia Shrub 3
Encelia virginensis Virgin river encelia Shrub  
Ephedra aspera Mormon tea Shrub  
Ephedra californica Desert tea Shrub 2
Ephedra fasciculata Clokey ephedra Shrub  
Ephedra fasciculata var. clokeyi Clokey's ephedra Shrub  
Ephedra fasciculata var. fasciculata Arizona ephedra Shrub  
Ephedra funerea Death valley ephedra Shrub  
Ephedra nevadensis Nevada ephedra Shrub 10
Ephedra trifurca Long leafed ephedra Tree, Shrub 1
Ephedra viridis Green ephedra Shrub 12
Ericameria arborescens Golden fleece Shrub 3
Ericameria cooperi Cooper's goldenbush Shrub 3
Ericameria cooperi var. cooperi Cooper goldenbush Shrub 3
Ericameria cuneata Rock goldenbush Shrub 2
Ericameria cuneata var. cuneata Rock goldenbush Shrub 1
Ericameria cuneata var. spathulata Wide leaved rock goldenbush Shrub  
Ericameria discoidea var. discoidea Whitestem goldenbush Shrub  
Ericameria ericoides Mock heather Shrub 16
Ericameria linearifolia Interior goldenbush Shrub 6
Ericameria nauseosa Rubber rabbitbrush Shrub 25
Ericameria nauseosa ssp. consimilis Rubber rabbitbrush Shrub  
Ericameria nauseosa var. bernardina San bernardino rubber rabbitbrush Shrub  
Ericameria nauseosa var. ceruminosa Sharp bracted rabbitbrush Shrub  
Ericameria nauseosa var. hololeuca Common rabbitbrush Shrub  
Ericameria nauseosa var. leiosperma Common rabbitbrush Shrub  
Ericameria nauseosa var. mohavensis Mojave rabbitbrush Shrub  
Ericameria nauseosa var. oreophila Rubber rabbitbrush Shrub  
Ericameria palmeri Palmer goldenweed Shrub 4
Ericameria palmeri ssp. palmeri Palmer's goldenbush Shrub  
Ericameria palmeri var. pachylepis Broad scaled palmer's goldenbush Shrub  
Ericameria palmeri var. palmeri Palmer's goldenbush Shrub  
Ericameria parishii Parish's rabbitbrush Shrub 1
Ericameria parishii var. parishii Parish's goldenbush Shrub 1
Ericameria parryi Parry's rabbitbrush Shrub  
Ericameria parryi var. aspera Rough parry's rabbitbrush Shrub  
Ericameria pinifolia Pine bush Shrub 4
Ericameria suffruticosa Heath goldenrod Shrub  
Ericameria teretifolia Green rabbitbrush Shrub  
Erigeron concinnus Navajo fleabane Shrub (stem succulent)  
Erigeron concinnus var. concinnus Shaggy daisy Shrub (stem succulent)  
Eriodictyon californicum Yerba santa Shrub 10
Eriodictyon crassifolium Thick leaved yerba santa Shrub 9
Eriodictyon crassifolium var. crassifolium Thick leaved yerba santa Shrub 1
Eriodictyon crassifolium var. nigrescens Thick leaved yerba santa Shrub 1
Eriodictyon traskiae Trask's yerba santa Shrub 3
Eriodictyon traskiae ssp. traskiae Trask's yerba santa Shrub  
Eriodictyon trichocalyx Hairy yerba santa Shrub 5
Eriodictyon trichocalyx var. lanatum Hairy yerba santa Shrub  
Eriodictyon trichocalyx var. trichocalyx Hairy yerba santa Shrub  
Eriogonum arborescens Island buckwheat Shrub 19
Eriogonum cinereum Coastal buckwheat Shrub 12
Eriogonum fasciculatum California buckwheat Shrub 42
Eriogonum fasciculatum var. fasciculatum California buckwheat Shrub 3
Eriogonum fasciculatum var. foliolosum California buckwheat Shrub 6
Eriogonum fasciculatum var. polifolium California buckwheat Shrub 3
Eriogonum giganteum St. Catherine's lace Shrub 30
Eriogonum giganteum var. formosum San clemente island buckwheat Shrub 1
Eriogonum giganteum var. giganteum Santa catalina island buckwheat Shrub 1
Eriogonum heermannii Heerman buckwheat Shrub  
Eriogonum heermannii var. heermannii Heermann's buckwheat Shrub  
Eriogonum microthecum Slender buckwheat Shrub  
Eriogonum microthecum var. corymbosoides San bernardino buckwheat Shrub  
Eriogonum microthecum var. johnstonii Johnston's buckwheat Shrub  
Eriogonum nudum Naked buckwheat Shrub 17
Eriogonum nudum var. pauciflorum Long trumpet Shrub  
Eriogonum nudum var. westonii Weston's buckwheat Shrub  
Eriogonum nummulare Round leaf buckwheat Shrub  
Eriogonum parvifolium Sea cliff buckwheat Shrub 27
Eriogonum plumatella Flat topped buckwheat Shrub  
Eriophyllum confertiflorum Yellow yarrow Shrub 21
Eriophyllum confertiflorum var. confertiflorum Golden yarrow Shrub 1
Eriophyllum nevinii Silverlace Shrub 8
Escobaria vivipara Viviparous foxtail cactus Shrub (stem succulent) 1
Escobaria vivipara var. alversonii Foxtail cactus Shrub (stem succulent)  
Escobaria vivipara var. deserti Desert beehive cactus Shrub (stem succulent)  
Escobaria vivipara var. rosea Viviparous foxtail cactus Shrub (stem succulent)  
Euphorbia misera Cliff spurge Shrub 6
Ferocactus cylindraceus var. cylindraceus California barrel cactus Shrub (stem succulent) 2
Ferocactus cylindraceus var. lecontei Barrel cactus Shrub (stem succulent) 2
Ferocactus viridescens var. viridescens Shrub (stem succulent) 5
Forestiera pubescens Desert olive Shrub 5
Frangula californica California coffeeberry Shrub 51
Frangula californica ssp. californica California coffeeberry Shrub 44
Frangula californica ssp. cuspidata Sierra hoary coffeeberry Shrub  
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 13
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Fremontodendron californicum California fremontia Shrub 30
Fremontodendron californicum ssp. californicum California fremontia Shrub 26
Fremontodendron californicum ssp. decumbens Pine hill fremontia Shrub 4
Fremontodendron mexicanum Mexican flannelbush Shrub 24
Galium buxifolium Box bedstraw Shrub  
Galium catalinense ssp. acrispum San clemente island bedstraw Shrub  
Galium catalinense ssp. catalinense Santa catalina island bedstraw Shrub  
Galium grande San gabriel bedstraw Shrub  
Galium porrigens Climbing bedstraw Vine, Shrub  
Galium porrigens var. porrigens Graceful bedstraw Vine, Shrub  
Galium stellatum Starry bedstraw Shrub  
Galium stellatum var. eremicum Star flowered bedstraw Shrub  
Gambelia speciosa Showy island snapdragon Shrub 30
Garrya elliptica Coast silk tassel Tree, Shrub 30
Garrya flavescens Ashy silk tassel Shrub 1
Garrya veatchii Southern silk tassel Shrub 1
Grayia spinosa Hop sage Shrub 7
Gutierrezia microcephala Sticky snakeweed Shrub (stem succulent)  
Gutierrezia sarothrae Matchweed Shrub 6
Hazardia cana San clemente island hazardia Shrub 1
Hazardia detonsa Island hazardia Shrub 4
Hazardia squarrosa Saw toothed goldenbush Shrub 10
Hazardia squarrosa var. grindelioides Gum plant goldenbush Shrub 1
Hazardia squarrosa var. obtusa Saw toothed goldenbush Shrub  
Hazardia squarrosa var. squarrosa Saw toothed goldenbush Shrub  
Helianthemum greenei Island rush rose Shrub  
Helianthemum scoparium Broom rose Shrub 12
Helianthemum suffrutescens Bisbee peak rush rose Shrub 11
Hemizonia clementina Island tarplant Shrub  
Hemizonia minthornii Santa susana tarplant Shrub 2
Hesperocyparis macnabiana Macnab cypress Tree, Shrub 7
Hesperoyucca whipplei Chaparral yucca Shrub 32
Heteromeles arbutifolia Toyon Shrub 64
Holodiscus discolor Oceanspray Shrub 40
Holodiscus discolor var. discolor Oceanspray Shrub 2
Holodiscus discolor var. microphyllus Small-leaf creambush Shrub 1
Holodiscus microphyllus Oceanspray Shrub 38
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 38
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 38
Hymenoclea monogyra Leafy burrobrush Shrub  
Hymenoclea salsola Burrobrush Shrub 6
Hymenoclea salsola var. pentalepis Five scaled burrobrush Shrub  
Hymenoclea salsola var. salsola Burrobrush Shrub  
Hyptis emoryi Desert lavender Shrub 11
Isocoma acradenia Alkali goldenbush Shrub  
Isocoma acradenia var. acradenia Alkali goldenbush Shrub  
Isocoma acradenia var. bracteosa Bracted alkali goldenbush Shrub  
Isocoma menziesii White flowered goldenbush Shrub 17
Isocoma menziesii var. decumbens Decumbent goldenbush Shrub 1
Isocoma menziesii var. menziesii Menzies' goldenbush Shrub 5
Isocoma menziesii var. sedoides White flowered dune goldenbush Shrub 1
Isocoma menziesii var. vernonioides Green leaved dune goldenbush Shrub  
Isomeris arborea Bladderpod Shrub 32
Juniperus californica California juniper Shrub 4
Juniperus communis Common juniper Shrub 14
Juniperus communis var. saxatilis Common juniper Shrub 2
Juniperus osteosperma Utah juniper Tree, Shrub 2
Justicia californica Chuparosa Shrub 14
Kalmia polifolia ssp. microphylla Bog laurel Shrub 2
Kalmia polifolia ssp. polifolia Mountain laurel Shrub 1
Keckiella antirrhinoides Chaparral beard tongue Shrub 12
Keckiella antirrhinoides var. antirrhinoides Chaparral beard tongue Shrub 1
Keckiella breviflora Gaping keckiella Shrub 4
Keckiella breviflora var. breviflora Gaping penstemon Shrub  
Keckiella cordifolia Heart leaved keckiella Shrub 22
Keckiella ternata Blue stemmed keckiella Shrub  
Keckiella ternata var. septentrionalis Northern blue stemmed keckiella Shrub  
Keckiella ternata var. ternata Blue stemmed keckiella Shrub  
Krameria erecta Little leaved ratany Shrub  
Krameria grayi White rhatany Shrub  
Krascheninnikovia lanata Winter fat Shrub 11
Larrea tridentata Creosote bush Shrub 17
Lavatera assurgentiflora Malva rosa Shrub 20
Lavatera assurgentiflora ssp. assurgentiflora Island mallow Shrub 7
Lavatera assurgentiflora ssp. glabra Southern island mallow Shrub 9
Ledum glandulosum Western labrador tea Shrub 1
Lepechinia calycina Pitcher sage Shrub 13
Lepechinia fragrans Pitcher sage Shrub 9
Lepechinia rossii Ross' pitcher sage Shrub  
Lepidospartum latisquamum Scale broom Shrub  
Lepidospartum squamatum Scalebroom Shrub 7
Leptodactylon californicum Prickly phlox Shrub 5
Leptodactylon californicum ssp. californicum California prickly phlox Shrub 1
Leptodactylon californicum ssp. leptotrichomum California prickly phlox Shrub 1
Leptodactylon pungens Prickly phlox Shrub  
Leptosyne gigantea Giant coreopsis Shrub 23
Leucosyris carnosa Shrubby alkali aster Shrub  
Linanthus californicus Prickly phlox Shrub 5
Linanthus pungens Granite prickly phlox Shrub  
Lithocarpus densiflorus Tanbark oak Tree, Shrub 14
Lithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Lithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4
Lonicera hispidula Pink honeysuckle Vine, Shrub 34
Lonicera hispidula var. hispidula Pink honeysuckle Vine, Shrub 32
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 34
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5
Lonicera subspicata Southern honeysuckle Shrub 10
Lonicera subspicata var. denudata Johnston's honeysuckle Shrub 4
Lonicera subspicata var. subspicata Southern honeysuckle Shrub 5
Lotus dendroideus Island broom Shrub  
Lotus dendroideus var. dendroideus Island deerweed Shrub  
Lotus dendroideus var. traskiae San clemente island lotus Shrub  
Lotus dendroideus var. veatchii San miguel island deerweed Shrub  
Lupinus albifrons Silver bush lupine Shrub 34
Lupinus albifrons var. albifrons Silver bush lupine Shrub 6
Lupinus albifrons var. douglasii Douglas' silver bush lupine Shrub 1
Lupinus arboreus Coastal bush lupine Shrub 28
Lupinus chamissonis Beach blue lupine Shrub 16
Lupinus excubitus Grape lupine Shrub 7
Lupinus excubitus var. austromontanus Southern montane grape lupine Shrub  
Lupinus excubitus var. excubitus Grape lupine Shrub  
Lupinus excubitus var. hallii Hall's bush lupine Shrub 1
Lupinus excubitus var. johnstonii Interior bush lupine Shrub  
Lupinus excubitus var. medius Mountain springs bush lupine Shrub  
Lupinus eximius San mateo tree lupine Shrub  
Lupinus longifolius Long leaf bush lupine Shrub 7
Lupinus propinquus Coastal bush lupine Shrub 28
Lycium andersonii Anderson thornbush Shrub 7
Lycium brevipes Fruitilla Shrub 3
Lycium brevipes var. brevipes Desert thorn Shrub 3
Lycium brevipes var. hassei Santa catalina island desert thorn Shrub  
Lycium californicum California boxthorn Shrub 2
Lycium cooperi Cooper's box thorn Shrub 2
Lycium fremontii Fremont box thorn Shrub 2
Lycium torreyi Torrey's box thorn Shrub  
Lycium verrucosum San nicolas island desert thorn Shrub 3
Machaeranthera carnosa Shrubby alkali aster Shrub  
Malacothamnus arcuatus Arcuate bush mallow Shrub 15
Malacothamnus clementinus San Clemente Island bush mallow Shrub 4
Malacothamnus davidsonii Davidson's bush mallow Shrub 1
Malacothamnus densiflorus Many-flowered bush mallow Shrub 3
Malacothamnus densiflorus var. densiflorus Yellow stem bush mallow Shrub 3
Malacothamnus densiflorus var. viscidus Yellow stem bush mallow Shrub 3
Malacothamnus fasciculatus Chaparral bush mallow Shrub 19
Malacothamnus fasciculatus var. catalinensis Santa Catalina Island bush mallow Shrub 15
Malacothamnus fasciculatus var. fasciculatus Chaparral bush mallow Shrub 1
Malacothamnus fremontii Fremont's bush mallow Shrub 8
Malacothamnus helleri Heller's bush mallow Shrub 8
Malacothamnus marrubioides Foothill bush mallow Shrub  
Malacothamnus orbiculatus Tehachapi bush mallow Shrub 8
Malosma laurina Laurel sumac Tree, Shrub 20
Malva assurgentiflora Island mallow Shrub 20
Mammillaria milleri Miller's fish hook cactus Shrub (stem succulent)  
Mimulus aridus Low bush monkeyflower Shrub  
Mimulus aurantiacus Sticky monkeyflower Shrub 56
Mimulus aurantiacus var. aridus Low bush monkeyflower Shrub  
Mimulus aurantiacus var. aurantiacus Sticky monkeyflower Shrub 11
Mimulus aurantiacus var. parviflorus Island bush monkeyflower Shrub  
Mimulus aurantiacus var. pubescens Sticky monkeyflower Shrub 2
Mimulus aurantiacus var. puniceus Sticky monkeyflower Shrub 7
Mimulus bifidus Sticky monkeyflower Shrub 10
Mimulus flemingii Island bush monkeyflower Shrub 2
Mimulus longiflorus Sticky monkeyflower Shrub 13
Mimulus puniceus Red bush monkeyflower Shrub 52
Morella californica California wax myrtle Shrub 54
Munzothamnus blairii Blair's wirelettuce Shrub 2
Myrica californica Wax myrtle Shrub 54
Nolina cismontana Peninsular beargrass Shrub  
Opuntia Xfosbergii Pink teddy bear cholla Shrub (stem succulent) 1
Opuntia Xmunzii Munz's cholla Shrub (stem succulent) 2
Opuntia Xoccidentalis Western prickly pear Shrub (stem succulent)  
Opuntia Xvaseyi Vasey's prickly pear Shrub 1
Opuntia acanthocarpa var. coloradensis Buckhorn cholla Shrub (stem succulent) 1
Opuntia basilaris Beavertail Shrub (stem succulent) 10
Opuntia basilaris var. basilaris Beavertail cactus Shrub (stem succulent) 1
Opuntia basilaris var. brachyclada Short joint beavertail Shrub (stem succulent) 1
Opuntia basilaris var. treleasei Bakersfield cactus Shrub (stem succulent) 1
Opuntia bigelovii Teddy bear cholla Shrub (stem succulent) 2
Opuntia curvospina Curved spine beavertail Shrub (stem succulent)  
Opuntia echinocarpa Staghorn cholla Shrub (stem succulent) 2
Opuntia engelmannii Cactus apple Shrub 3
Opuntia erinacea Old man cactus Shrub (stem succulent) 2
Opuntia erinacea var. erinacea Grizzly pear Shrub (stem succulent) 2
Opuntia erinacea var. utahensis Utah prickly pear Shrub (stem succulent) 2
Opuntia kunzei Devil's cholla Shrub  
Opuntia littoralis Prickly pear Shrub (stem succulent) 13
Opuntia littoralis var. vaseyi Vasey's coastal pricklypear Shrub (stem succulent) 1
Opuntia oricola Chaparral pricklypear Shrub (stem succulent) 13
Opuntia parishii Dead cactus Shrub (stem succulent)  
Opuntia parryi Cane cholla Shrub (stem succulent) 1
Opuntia parryi var. serpentina Snake cholla Shrub (stem succulent) 1
Opuntia phaeacantha Brown spined prickly pear Shrub (stem succulent) 1
Opuntia prolifera Cholla Shrub (stem succulent) 7
Opuntia pulchella Beautiful cholla Shrub (stem succulent)  
Opuntia ramosissima Pencil cactus Shrub (stem succulent)  
Opuntia vaseyi Vasey's prickly pear Shrub 1
Opuntia wigginsii Wiggins's cholla Shrub (stem succulent) 2
Opuntia wolfii Wolf's cholla Shrub (stem succulent)  
Parthenocissus inserta Woodbine Vine, Shrub 10
Parthenocissus vitacea Virginia creeper Vine, Shrub 3
Penstemon incertus Western desert penstemon Shrub 2
Peraphyllum ramosissimum Wild crab apple Shrub 2
Peritoma arborea Bladderpod Shrub 32
Peritoma arborea var. angustata Bladderpod Shrub  
Peritoma arborea var. arborea Bladderpod Shrub  
Peritoma arborea var. globosa Bladderpod Shrub  
Petrophyton caespitosum Rock spiraea Shrub 2
Petrophyton caespitosum ssp. acuminatum Rock spiraea Shrub  
Petrophyton caespitosum ssp. caespitosum Rock spiraea Shrub  
Philadelphus lewisii Wild mock orange Shrub 48
Philadelphus lewisii ssp. gordonianus Gordon's wild mock orange Shrub 48
Philadelphus microphyllus ssp. pumilus Little leaf mock orange Shrub 7
Phoradendron bolleanum Bollean mistletoe Shrub (parasitic)  
Phoradendron californicum California mesquite mistletoe Shrub (parasitic)  
Phoradendron juniperinum Mistletoe Shrub (parasitic)  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. tomentosum Mistletoe Shrub (parasitic)  
Phoradendron libocedri Incense cedar mistletoe Shrub (parasitic)  
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. tomentosum Pacific mistletoe Shrub (parasitic)  
Phoradendron villosum Hairy mistletoe Shrub (parasitic)  
Phyllodoce breweri Brewer's mountain heather Shrub  
Pickeringia montana Chaparral pea Shrub 3
Pickeringia montana var. montana Chaparral pea Shrub  
Pickeringia montana var. tomentosa Chaparral pea Shrub 1
Pluchea sericea Arrow weed Shrub 7
Polygala cornuta var. fishiae Fish's milkwort Shrub  
Potentilla fruticosa Shrubby cinquefoil Shrub 13
Prosopis glandulosa Honey mesquite Tree, Shrub 14
Prosopis glandulosa var. torreyana Honey mesquite Tree, Shrub 5
Prunus emarginata Bitter cherry Tree, Shrub 15
Prunus fasciculata Desert almond Shrub 5
Prunus fasciculata var. fasciculata Desert almond Shrub  
Prunus ilicifolia Holly leaf cherry Tree, Shrub 37
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry Tree, Shrub 11
Prunus virginiana Chokecherry Tree, Shrub 29
Prunus virginiana var. demissa Western choke cherry Tree, Shrub 10
Prunus virginiana var. melanocarpa Black chokecherry Tree, Shrub 8
Psorothamnus emoryi Emory's indigo bush Shrub  
Purshia mexicana Mexican cliffrose Shrub 6
Purshia mexicana var. stansburyana Stansbury's antelope brush Shrub  
Purshia stansburyana Stansbury's antelope brush Shrub  
Purshia tridentata Antelope bush Shrub 18
Purshia tridentata var. glandulosa Antelope brush Shrub 3
Purshia tridentata var. tridentata Antelope bitterbrush Shrub 18
Quercus Xacutidens Torrey's hybrid oak Shrub, Tree  
Quercus Xchasei Shrub, Tree  
Quercus Xgrandidentata Shrub, Tree  
Quercus Xtownei Shrub, Tree  
Quercus dumosa Scrub oak Shrub 10
Quercus durata Leather oak Shrub 10
Quercus durata var. durata Leather oak Shrub 2
Quercus durata var. gabrielensis San gabriel mtns. leather oak Shrub  
Quercus pacifica Island scrub oak Shrub 1
Quercus palmeri Palmer's oak Shrub  
Quercus turbinella Shrub live oak Shrub