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Criteria:   found in Lassen County  •   is native  •  group by lifeform
3936  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual1078 plants
Abronia turbinata Trans montane sand verbena Annual herb  
Achyrachaena mollis Blow wives Annual herb 2
Acmispon americanus American bird's foot trefoil Annual herb 7
Acmispon americanus var. americanus Spanish lotus Annual herb 1
Acmispon brachycarpus Short podded lotus Annual herb  
Acmispon denticulatus Toothed lotus Annual herb  
Acmispon maritimus Coastal lotus Annual herb 2
Agoseris heterophylla Mountain dandelion Annual herb  
Agoseris heterophylla var. crenulata Annual agoseris Annual herb  
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb  
Agoseris heterophylla var. turgida Annual agoseris Annual herb  
Agrostis hendersonii Henderson's bent grass Annual grass  
Agrostis microphylla Little leaf bentgrass Annual grass  
Aliciella latifolia ssp. imperialis Broadleaf gilia Annual herb  
Aliciella leptomeria Sand aliciella Annual herb  
Aliciella lottiae Lott's gilia Annual herb  
Aliciella micromeria Dainty gilia Annual herb  
Aliciella triodon Coyote gilia Annual herb  
Allophyllum divaricatum Purple false gilia Annual herb  
Allophyllum gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. violaceum Dense false gilia Annual herb  
Allophyllum integrifolium White allophyllum Annual herb  
Alopecurus carolinianus Carolina foxtail Annual grass  
Alopecurus saccatus Foxtail Annual grass  
Amaranthus blitoides Prostrate pigweed Annual herb  
Amaranthus californicus California amaranth Annual herb  
Amaranthus powellii Powell's amaranth Annual herb  
Amaranthus powellii ssp. bouchonii Annual herb  
Amaranthus powellii ssp. powellii Powell's amaranth Annual herb  
Ambrosia acanthicarpa Annual burrweed Annual herb 3
Amsinckia intermedia Common fiddleneck Annual herb  
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb  
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia tessellata Devil's lettuce Annual herb 4
Amsinckia tessellata var. tessellata Devil's lettuce Annual herb  
Amsinckia vernicosa var. furcata Forked fiddleneck Annual herb 1
Amsinckia vernicosa var. vernicosa Green fiddleneck Annual herb  
Anagallis minima Chaffweed Annual herb  
Ancistrocarphus filagineus Woolly fishhooks Annual herb  
Androsace occidentalis var. simplex Western rock jasmine Annual herb  
Androsace septentrionalis ssp. subumbellata Pygmy rock jasmine Annual, Perennial herb 1
Anisocoma acaulis Scale bud Annual herb 2
Antirrhinum cyathiferum Deep canyon snapdragon Annual herb  
Antirrhinum vexillo-calyculatum Brewer's snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. breweri Brewer's sail flower snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. intermedium Intermediate sail flower snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. vexillo-calyculatum Wiry snapdragon Annual herb  
Aphyllon corymbosum Flat topped broom rape Annual herb  
Aphyllon purpureum Annual herb  
Argemone munita Prickly poppy Annual, Perennial herb 4
Arida arizonica Silver lake daisy Annual herb  
Aster frondosus Short rayed alkali aster Annual herb  
Astragalus clarianus Clara hunt's milk vetch Annual herb  
Astragalus gambelianus var. elmeri Elmer's dwarf milk vetch Annual herb  
Astragalus geyeri Geyer's milkvetch Annual herb  
Astragalus geyeri var. geyeri Geyer's milk vetch Annual herb  
Astragalus lentiginosus Freckled milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. albifolius White leaved milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. chartaceus Broadleaf milkvetch Annual, Perennial herb  
Astragalus lentiginosus var. floribundus Floriferous milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. lentiginosus Freckled milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. platyphyllidius Volcanic milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. salinus Sagebrush milk vetch Annual, Perennial herb  
Athysanus pusillus Dwarf athysanus Annual herb  
Atriplex argentea Silverscale saltbush Annual herb 2
Atriplex argentea var. expansa Mojave silverscale Annual herb 2
Atriplex argentea var. hillmanii Hillman's silverscale Annual herb  
Atriplex argentea var. mohavensis Mojave silverscale Annual herb 2
Atriplex covillei Coville's orach Annual herb  
Atriplex erecticaulis Erectstem saltbush Annual herb  
Atriplex gmelinii Gmelin's saltbush Annual herb  
Atriplex gmelinii var. gmelinii Gmelin's saltbush Annual herb  
Atriplex joaquinana San joaquin spearscale Annual herb  
Atriplex joaquiniana San joaquin orache Annual herb  
Atriplex longitrichoma Long hair silverscale Annual herb  
Atriplex patula var. obtusa Spear oracle Annual herb  
Atriplex patula var. patula Spear oracle Annual herb 3
Atriplex phyllostegia Leafcover saltweed Annual herb 1
Atriplex subspicata Spike saltbush Annual herb  
Atriplex truncata Wedgescale Annual herb  
Atriplex vallicola Lost hills crownscale Annual herb  
Beckmannia syzigachne American sloughgrass Annual grass 5
Bergia texana Texas bergia Annual herb  
Blepharipappus scaber Blepharipappus Annual herb  
Blepharizonia plumosa ssp. plumosa Big tarplant Annual herb  
Blepharizonia plumosa ssp. viscida Glandular big tarweed Annual herb  
Boerhavia intermedia Fivewing spiderling Annual herb  
Bromus laevipes Narrow flowered brome Annual, Perennial grass 3
Bromus orcuttianus Orcutt's brome grass Annual grass 1
Bromus vulgaris Common brome Annual grass 1
Calandrinia ambigua Desert calendrinia Annual herb  
Calandrinia ciliata Redmaids Annual herb 6
Calandrinia maritima Seaside calandrinia Annual herb  
Calandrinia menziesii Red maids Annual herb 6
Calibrachoa parviflora Seaside petunia Annual herb  
Callitriche heterophylla var. bolanderi Bolander's water starwort Annual herb  
Callitriche palustris Vernal water-starwort Annual herb  
Callitriche verna Water starwort Annual herb  
Calycadenia fremontii Fremont's calycadenia Annual herb  
Calycadenia truncata ssp. microcephala Oregon western rosinweed Annual herb  
Calyptridium parryi var. arizonicum Parry's pussypaws Annual herb  
Calyptridium umbellatum Pussy toes Annual, Perennial herb 3
Calyptridium umbellatum var. caudiciferum Alpine cistanthe Annual, Perennial herb 3
Calyptridium umbellatum var. umbellatum Mt. hood pussypaws Annual, Perennial herb 3
Camissonia andina Plateau evening primrose Annual herb  
Camissonia arenaria Mousetail evening primrose Annual, Perennial herb  
Camissonia bistorta California sun cup Annual herb 5
Camissonia boothii Booth's sun cup Annual herb  
Camissonia boothii ssp. alyssoides Pine creek evening primrose Annual herb  
Camissonia boothii ssp. boothii Booth's evening primrose Annual herb  
Camissonia boothii ssp. condensata Clustered booth's desert primrose Annual herb  
Camissonia boothii ssp. decorticans Redish shredding primrose Annual herb  
Camissonia boothii ssp. desertorum Desert shredding primrose Annual herb  
Camissonia boothii ssp. intermedia Desert shredding primrose Annual herb  
Camissonia brevipes Yellov cups Annual herb  
Camissonia brevipes ssp. arizonica Arizona sun cup Annual herb  
Camissonia brevipes ssp. brevipes Golden sun cup Annual herb  
Camissonia brevipes ssp. pallidula Pale sun cup Annual herb  
Camissonia californica California primrose Annual herb 1
Camissonia cardiophylla ssp. robusta Big heartleaf sun cup Annual, Perennial herb  
Camissonia chamaenerioides Long fruit suncup Annual herb  
Camissonia claviformis Brown eyed primrose Annual herb  
Camissonia claviformis ssp. aurantiaca Pinnate leaved primrose Annual herb  
Camissonia claviformis ssp. claviformis Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. cruciformis Cross flowered clavate fruited primrose Annual herb  
Camissonia claviformis ssp. funerea Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. integrior Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. lancifolia Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. peirsonii Peirson's clavate fruited primrose Annual herb  
Camissonia claviformis ssp. yumae Yuma clavate fruited primrose Annual herb  
Camissonia confusa San bernardino sun cup Annual herb  
Camissonia contorta Contorted sun cup Annual herb  
Camissonia graciliflora Hill sun cup Annual herb  
Camissonia guadalupensis ssp. clementina San clemente island evening primrose Annual herb  
Camissonia hardhamiae Hardham's evening primrose Annual herb  
Camissonia heterochroma Shockley's evening primrose Annual herb  
Camissonia hirtella Hairy sun cups Annual herb  
Camissonia ignota Jurupa hills sun cups Annual herb 1
Camissonia intermedia Intermediate sun cups Annual herb  
Camissonia lewisii Lewis's evening primrose Annual herb  
Camissonia luciae Santa lucia sun cup Annual herb  
Camissonia micrantha Spencer primrose Annual herb 2
Camissonia minor Nelson's evening primrose Annual herb  
Camissonia munzii Munz's evening primrose Annual herb  
Camissonia pallida Pale yellow sun cup Annual herb 2
Camissonia pallida ssp. hallii Hall's sun cup Annual herb  
Camissonia pallida ssp. pallida Pale sun cup Annual herb  
Camissonia palmeri Palmer's sun cup Annual herb  
Camissonia parvula Tiny sun cup Annual herb  
Camissonia pterosperma Wing fruit sun cup Annual herb  
Camissonia pubens Hairy sun cup Annual herb  
Camissonia refracta Narrow leaved primrose Annual herb  
Camissonia robusta Robust sun cup Annual herb  
Camissonia walkeri ssp. tortilis Walker's sun cup Annual, Perennial herb  
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja attenuata Narrow leaved owl's clover Annual herb  
Castilleja campestris Yellow owl's clover Annual herb  
Castilleja campestris ssp. campestris Yellow owl's clover Annual herb  
Castilleja lacera Foothill owl's clover Annual herb  
Castilleja minor Little paintbrush Annual herb 1
Castilleja minor ssp. minor Lesser paintbrush Annual herb 2
Castilleja tenuis Hairy owl's clover Annual herb  
Caulanthus amplexicaulis var. amplexicaulis Clasping leaved caulanthus Annual herb  
Caulanthus coulteri var. coulteri Coulter's jewel flower Annual herb  
Caulanthus coulteri var. lemmonii Lemmon's jewel flower Annual herb  
Caulanthus heterophyllus var. heterophyllus Slender pod jewelflower Annual herb  
Cenchrus spinifex Coastal sandbur Annual grass  
Centaurium davyi Davy's centaury Annual herb 1
Centaurium exaltatum Cancha lagua Annual herb  
Centaurium muehlenbergii Monterey centaury Annual herb 2
Centaurium trichanthum Alkali centaury Annual herb  
Centaurium venustum Beautiful centaury Annual herb  
Centromadia pungens Common tarweed Annual herb 1
Centromadia pungens ssp. maritima Common tarweed Annual herb  
Centromadia pungens ssp. pungens Common tarweed Annual herb  
Centromadia pungens ssp. septentrionalis Common tarweed Annual herb  
Centunculus minimus False pimpernel Annual herb  
Chaenactis douglasii Chaenactis Annual, Perennial herb  
Chaenactis douglasii var. douglasii Dusty maidens Annual, Perennial herb  
Chaenactis stevioides Esteve pincushion Annual herb 2
Chaenactis xantiana Xantus' chaenactis Annual herb 1
Chamaesyce abramsiana Abrams' prostrate spurge Annual herb  
Chamaesyce glyptosperma Rib seed spurge Annual herb  
Chamaesyce hooveri Hoover's spurge Annual herb  
Chamaesyce micromera Desert spurge Annual herb  
Chamaesyce ocellata Contura creek spurge Annual herb  
Chamaesyce ocellata ssp. arenicola Sand spurge Annual herb  
Chamaesyce ocellata ssp. ocellata Contura creek sandmat Annual herb  
Chamaesyce ocellata ssp. rattanii Stony creek spurge Annual herb  
Chamaesyce parryi Parry's spurge Annual herb  
Chamaesyce platysperma Flat seeded spurge Annual herb  
Chamaesyce revoluta Rolled leaf spurge Annual herb  
Chamaesyce serpens Creeping spurge Annual herb  
Chamaesyce serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. hirtula Hairy thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce setiloba Yuma spurge Annual herb  
Chamomilla occidentalis Western chamomile Annual herb  
Chenopodium atrovirens Dark green goosefoot Annual herb  
Chenopodium berlandieri Pit seed goosefoot Annual herb  
Chenopodium berlandieri var. zschackei Pit seed goosefoot Annual herb  
Chenopodium desiccatum Dry goosefoot Annual herb  
Chenopodium fremontii Fremont's goosefoot Annual herb  
Chenopodium hians Gaping goosefoot Annual herb  
Chenopodium incognitum Masked goosefoot Annual herb  
Chenopodium leptophyllum Thin leaved goosefoot Annual herb  
Chenopodium pratericola Meadow goosefoot Annual herb  
Chenopodium rubrum Red goosefoot Annual herb  
Chenopodium simplex Large seeded goosefoot Annual herb  
Chloropyron maritimum Salt marsh bird's beak Annual herb  
Chloropyron maritimum ssp. canescens Salt marsh bird's beak Annual herb  
Chorisiva nevadensis Nevada sumpweed Annual herb  
Chorizanthe polygonoides Knotweed spineflower Annual herb  
Chorizanthe polygonoides var. polygonoides Knotweed spineflower Annual herb  
Chorizanthe watsonii Watson's spineflower Annual herb  
Chylismia claviformis Clavate fruited primrose Annual, Perennial herb  
Chylismia claviformis ssp. cruciformis Cruciform evening-primrose Annual, Perennial herb  
Chylismia claviformis ssp. integrior Clavate fruited primrose Annual, Perennial herb  
Cicendia quadrangularis Common microcalis Annual herb  
Citrullus colocynthis var. citroides Citron Annual herb  
Clarkia biloba ssp. brandegeae Brandegee's two lobed clarkia Annual herb  
Clarkia gracilis Graceful clarkia Annual herb 2
Clarkia gracilis ssp. albicaulis White stemmed clarkia Annual herb 1
Clarkia gracilis ssp. gracilis Graceful clarkia Annual herb  
Clarkia lassenensis Lassen clarkia Annual herb  
Clarkia mosquinii ssp. mosquinii Mosquin's clarkia Annual herb  
Clarkia mosquinii ssp. xerophylla Mosquin's clarkia Annual herb  
Clarkia purpurea Purple clarkia Annual herb 9
Clarkia purpurea ssp. purpurea Purple clarkia Annual herb 2
Clarkia purpurea ssp. quadrivulnera Purple clarkia Annual herb 4
Clarkia purpurea ssp. viminea Large godetia Annual herb  
Clarkia rhomboidea Tongue clarkia Annual herb 1
Clarkia stellata Lake almanor clarkia Annual herb  
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2
Claytonia perfoliata Miner's lettuce Annual herb 5
Claytonia perfoliata ssp. intermontana Miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
Claytonia rubra Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. depressa Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. rubra Red stemmed miner's lettuce Annual herb  
Cleome lutea Yellow bee plant Annual herb 1
Cleome platycarpa Golden bee plant Annual herb  
Cleome serrulata Rocky mountain bee plant Annual herb 8
Cleome sparsifolia Fewleaf bee plant Annual herb  
Cleomella hillmanii Hillman's stinkweed Annual herb  
Cleomella hillmanii var. hillmanii Hillman's cleomella Annual herb  
Cleomella parviflora Slender cleomella Annual herb  
Cleomella plocasperma Twisted cleomella Annual herb  
Collinsia childii Child's collinsia Annual herb  
Collinsia grandiflora Large flowered collinsia Annual herb  
Collinsia greenei Greene's collinsia Annual herb  
Collinsia linearis Narrow leaf collinsia Annual herb  
Collinsia parviflora Few flowered blue eyed mary Annual herb 1
Collinsia stricta Narrow collinsia Annual herb 1
Collinsia torreyi Torrey's collinsia Annual herb  
Collinsia torreyi var. latifolia Broad leaved collinsia Annual herb  
Collinsia torreyi var. torreyi Torrey's collinsia Annual herb  
Collinsia torreyi var. wrightii Wright's collinsia Annual herb  
Collomia grandiflora Large flowered collomia Annual herb 3
Collomia linearis Narrow leaved collomia Annual herb  
Collomia tinctoria Yellow staining collomia Annual herb  
Collomia tracyi Tracy's collomia Annual herb  
Conyza canadensis Canada horseweed Annual herb  
Conyza canadensis var. canadensis Canadian horseweed Annual herb  
Conyza canadensis var. glabrata Canadian horseweed Annual herb  
Conyza coulteri Coulter's horseweed Annual herb  
Cordylanthus kingii King's bird's beak Annual herb  
Cordylanthus kingii ssp. helleri Heller's bird's beak Annual herb  
Cordylanthus maritimus Salt marsh bird's beak Annual herb  
Cordylanthus maritimus ssp. canescens Salt marsh bird's beak Annual herb  
Cordylanthus maritimus ssp. maritimus Salt marsh bird's beak Annual herb (hemiparasitic)  
Cordylanthus maritimus ssp. palustris Point reyes bird's beak Annual herb (hemiparasitic)  
Cordylanthus mollis Soft bird's beak Annual herb  
Cordylanthus mollis ssp. hispidus Hispid bird's beak Annual herb (hemiparasitic)  
Cordylanthus mollis ssp. mollis Soft bird's beak Annual herb (hemiparasitic)  
Cordylanthus orcuttianus Orcutt's bird's beak Annual herb (hemiparasitic)  
Cordylanthus palmatus Palmate bracted bird's beak Annual herb (hemiparasitic)  
Cordylanthus ramosus Bushy bird's beak Annual herb  
Cordylanthus tecopensis Tecopa bird's beak Annual herb (hemiparasitic)  
Cordylanthus tenuis Slender bird's beak Annual herb  
Cordylanthus tenuis ssp. tenuis Slender bird's beak Annual herb  
Coreopsis bigelovii Bigelow coreopsis Annual herb 3
Coreopsis californica var. californica California coreopsis Annual herb  
Coreopsis calliopsidea Leafy stemmed coreopsis Annual herb 2
Coreopsis douglasii Douglas' coreopsis Annual herb 1
Coreopsis hamiltonii Mt. hamilton coreopsis Annual herb  
Coreopsis stillmanii Stillman's coreopsis Annual herb 2
Corydalis aurea Golden corydalis Annual, Perennial herb 1
Crassula aquatica Aquatic pygmy weed Annual herb  
Crassula saginoides Aquatic pygmy weed Annual herb  
Crocidium multicaule Spring gold Annual herb  
Croton setiger Turkey-mullein Annual herb 4
Croton setigerus Dove weed Annual herb 1
Cryptantha affinis Common cryptantha Annual herb  
Cryptantha ambigua Wilkes' cryptantha Annual herb  
Cryptantha circumscissa Western forget me not Annual herb  
Cryptantha circumscissa var. circumscissa Cushion cryptantha Annual herb  
Cryptantha clevelandii var. dissita Serpentine cryptantha Annual herb  
Cryptantha echinella Prickly cryptantha Annual herb  
Cryptantha flaccida Beaked cryptantha Annual herb  
Cryptantha glomeriflora Truckee cryptantha Annual herb  
Cryptantha gracilis Slender cryptantha Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha intermedia var. hendersonii Henderson's cryptantha Annual herb  
Cryptantha intermedia var. intermedia Common cryptantha Annual herb  
Cryptantha micrantha Purple root cryptantha Annual herb  
Cryptantha micrantha var. micrantha Red-root cryptantha Annual herb  
Cryptantha nevadensis Nevada forget me not Annual herb  
Cryptantha pterocarya Winged nut forget me not Annual herb  
Cryptantha pterocarya var. pterocarya Wingnut cryptantha Annual herb  
Cryptantha scoparia Gray cryptantha Annual herb  
Cryptantha simulans Pine cryptantha Annual herb  
Cryptantha torreyana Torrey's cryptantha Annual herb  
Cryptantha torreyana var. torreyana Torrey's cryptantha Annual herb  
Cryptantha watsonii Watson's cryptantha Annual herb  
Cuscuta californica California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. breviflora California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. californica Short flowered dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. neuropetala Nerve petaled dodder Annual herb, Vine (parasitic)  
Cuscuta occidentalis California dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. major Dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. papillata Saltmarsh dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. salina Salt marsh dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii var. subpedicellata Mountain dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii var. suksdorfii Mountain dodder Annual herb, Vine (parasitic)  
Cyperus squarrosus Awned cyperus Annual grass  
Daucus pusillus Wild carrot Annual herb 1
Deinandra bacigalupi Livermore tarplant Annual herb  
Deinandra corymbosa ssp. corymbosa Coastal tarweed Annual herb 1
Deinandra corymbosa ssp. macrocephala Coastal tarweed Annual herb 1
Deinandra increscens ssp. foliosa Leafy tarplant Annual herb  
Deinandra lobbii Threeray tarweed Annual herb  
Deschampsia danthonioides Annual hairgrass Annual grass  
Descurainia incisa Mountain tansy mustard Annual herb  
Descurainia incisa ssp. filipes Erect fruited mountain tansy mustard Annual herb  
Descurainia longipedicellata Annual herb  
Descurainia nelsonii Annual herb  
Descurainia paradisa Great basin tansy mustard Annual herb  
Descurainia paradisa ssp. paradisa Paradise tansymustard Annual herb  
Descurainia pinnata Yellow tansy mustard Annual herb  
Descurainia pinnata ssp. brachycarpa Western tansymustard Annual herb  
Descurainia pinnata ssp. glabra Smooth western tansy mustard Annual herb  
Descurainia pinnata ssp. halictorum Alkali western tansy mustard Annual herb  
Descurainia pinnata ssp. intermedia Intermediate western tansy mustard Annual herb  
Dimeresia howellii Doublet Annual herb  
Diplacus jepsonii Jepson's monkeyflower Annual herb  
Diplacus kelloggii Kellogg's monkeyflower Annual herb  
Diplacus layneae Layne's monkeyflower Annual herb  
Diplacus mephiticus Skunky monkeyflower Annual herb  
Diplacus nanus Dwarf monkey flower Annual herb  
Diplacus pygmaeus Egg Lake monkeyflower Annual herb  
Diplacus torreyi Torrey's monkeyflower Annual herb  
Diplacus tricolor Tricolor monkeyflower Annual herb  
Downingia bacigalupii Bach's downingia Annual herb  
Downingia bicornuta Bristled downingia Annual herb  
Downingia bicornuta var. bicornuta Bristled downingia Annual herb  
Downingia concolor Spotted throat downingia Annual herb  
Downingia concolor var. concolor Spotted throat downingia Annual herb  
Downingia cuspidata Toothed downingia Annual herb  
Downingia elegans Elegant downingia Annual herb  
Downingia elegans var. corymbosa Elegant downingia Annual herb  
Downingia elegans var. elegans Elegant calicoflower Annual herb  
Downingia insignis Harlequin downingia Annual herb  
Downingia laeta Great basin downingia Annual herb  
Downingia montana Sierra downingia Annual herb  
Downingia yina Cascade downingia Annual herb  
Draba albertina Alberta whitlow grass Annual, Perennial herb  
Draba cuneifolia var. cuneifolia Wedgeleaf draba Annual herb  
Draba cuneifolia var. integrifolia Wedgeleaf draba Annual herb  
Draba cuneifolia var. sonorae Sonora draba Annual herb  
Draba stenoloba var. ramosa Alaska draba Annual, Perennial herb  
Draba verna Whitlow grass Annual herb  
Draba verna var. aestivalis Small bruited spring draba Annual herb  
Eatonella nivea White eatonella Annual herb  
Elatine californica California waterwort Annual, Perennial herb  
Elatine chilensis Chilean waterwort Annual, Perennial herb (aquatic)  
Elatine gracilis Sierra waterwort Annual, Perennial herb (aquatic)  
Elatine rubella Southwestern waterwort Annual herb  
Eleocharis engelmannii Engelmann's spikerush Annual grass  
Eleocharis flavescens var. thermalis Yellow spikerush Annual grass  
Eleocharis obtusa var. engelmannii Engelmann's spikerush Annual grass  
Eleocharis obtusa var. obtusa Broad spiked spikerush Annual grass 3
Eleocharis thermalis Warm springs spikerush Annual grass  
Epilobium brachycarpum Willow herb Annual herb 1
Epilobium campestre Smooth boisduvalia Annual herb  
Epilobium densiflorum Willow herb Annual herb  
Epilobium minutum Minute willowherb Annual herb  
Epilobium pallidum Pale boisduvalia Annual herb  
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1
Epilobium pygmaeum Smooth boisduvalia Annual herb  
Epilobium torreyi Narrow boisduvalia Annual herb  
Eragrostis mexicana Mexican lovegrass Annual grass  
Eragrostis mexicana ssp. virescens Orcutt's eragrostis Annual grass  
Eragrostis pectinacea Tufted lovegrass Annual grass  
Eragrostis pectinacea var. pectinacea Tufted lovegrass Annual grass  
Eremocarpus setigerus Turkey mullein Annual herb 4
Eremothera boothii Booth's sun cup Annual herb  
Eremothera boothii ssp. alyssoides Pine creek evening-primrose Annual herb  
Eremothera minor Nelson's evening-primrose Annual herb  
Eriastrum brandegeae Brandegee's eriastrum Annual herb  
Eriastrum signatum Maroon-spotted Woollystar Annual herb  
Eriastrum sparsiflorum Great basin eriastrum Annual herb  
Eriastrum wilcoxii Wilcox's eriastrum Annual herb  
Erigeron canadensis Canada horseweed Annual herb  
Erigeron strigosus var. septentrionalis Prairie fleabane Annual, Perennial herb  
Eriogonum apiculatum var. apiculatum Annual herb  
Eriogonum baileyi Bailey buckwheat Annual herb  
Eriogonum baileyi var. baileyi Bailey's buckwheat Annual herb  
Eriogonum baileyi var. praebens Bailey's buckwheat Annual herb  
Eriogonum cernuum Nodding buckwheat Annual herb  
Eriogonum cernuum var. cernuum Nodding buckwheat Annual herb  
Eriogonum cernuum var. viminale Nodding buckwheat Annual herb  
Eriogonum collinum Hill buckwheat Annual herb  
Eriogonum deflexum var. rectum Flat topped buckwheat Annual herb  
Eriogonum foliosum Leafy buckwheat Annual herb  
Eriogonum maculatum Angle stermed buckwheat Annual herb  
Eriogonum nidularium Whisk broom Annual herb  
Eriogonum nudum var. pubiflorum Hairy flowered buckwheat Annual herb  
Eriogonum nutans Dugway buckwheat Annual herb  
Eriogonum nutans var. nutans Nodding buckwheat Annual herb  
Eriogonum puberulum Downy buckwheat Annual herb  
Eriogonum pusillum Yellow turban Annual herb  
Eriogonum reniforme Kidney leaf buckwheat Annual herb  
Eriogonum spergulinum Wild buckwheat Annual herb  
Eriogonum spergulinum var. reddingianum Spurry buckwheat Annual herb  
Eriogonum trichopes var. hooveri Hoover's buckwheat Annual herb  
Eriogonum trichopes var. trichopes Little desert buckwheat Annual herb  
Eriogonum vimineum Wicker stemmed eriogonum Annual herb 2
Erodium macrophyllum Large leaved filaree Annual herb  
Eryngium pinnatisectum Tuolumne button celery Annual, Perennial herb  
Erythranthe breweri Brewer's monkeyflower Annual herb  
Erythranthe floribunda Many flowered monkey flower Annual herb 1
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 38
Erythranthe inflatula ephemeral monkeyflower Annual herb  
Erythranthe latidens Broad toothed monkeyflower Annual herb  
Erythranthe pulsiferae Candelabrum monkey flower Annual herb  
Erythranthe rubella Red stemmed himulus Annual herb  
Erythranthe suksdorfii Suksdorf's monkeyflower Annual herb  
Eschscholzia caespitosa Tufted eschscholzia Annual herb 14
Eschscholzia californica California poppy Annual, Perennial herb 50
Euphorbia crenulata Chinesecaps Annual, Perennial herb  
Euphorbia serpillifolia Thyme-leafed spurge Annual herb  
Euphorbia spathulata Reticulate seeded spurge Annual herb  
Festuca microstachys Small fescue Annual grass 7
Festuca octoflora Sixweeks grass Annual grass 5
Filago arizonica Arizona filago Annual herb  
Filago californica California filago Annual herb  
Filago depressa Dwarf filago Annual herb  
Floerkea proserpinacoides False mermaid Annual herb  
Galium aparine Cleavers Annual herb  
Galium bifolium Low mountain bedstraw Annual herb  
Galium triflorum Sweet bedstraw Annual herb  
Gaura coccinea Scarlet gaura Annual, Perennial herb  
Gayophytum decipiens Deceiving gayophytum Annual herb  
Gayophytum diffusum Spreading groundsmoke Annual herb  
Gayophytum diffusum ssp. diffusum Diffuse gayophytum Annual herb  
Gayophytum diffusum ssp. parviflorum Small flowered groundsmoke Annual herb  
Gayophytum heterozygum Zig zag gayophytum Annual herb  
Gayophytum humile Dwarf groundsmoke Annual herb  
Gayophytum racemosum Black foot gayophytum Annual herb  
Gayophytum ramosissimum Pinyon gayophytum Annual herb  
Gentianella amarella Autumn dwarf gentian Annual herb  
Gentianella amarella ssp. acuta Autumn dwarf gentian Annual herb  
Gentianella tenella ssp. tenella Dane's dwarf gentian Annual herb  
Gentianopsis simplex Hiker's fringed gentian Annual herb  
Gilia australis Splendid gilia Annual herb  
Gilia brecciarum Small gilia Annual herb  
Gilia brecciarum ssp. brecciarum Nevada gilia Annual herb  
Gilia brecciarum ssp. jacens Nevada gilia Annual herb  
Gilia campanulata Bell shape gilia Annual herb  
Gilia capillaris Smooth leaved gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 17
Gilia capitata ssp. mediomontana Blue field gilia Annual herb  
Gilia caruifolia Broad flowered gilia Annual herb  
Gilia filiformis Thread stemmed gilia Annual herb  
Gilia hutchinsifolia Desert pale gilia Annual herb  
Gilia inconspicua Shy gilia Annual herb  
Gilia inyoensis Inyo gilia Annual herb  
Gilia latifolia Troadleaf gilia Annual herb  
Gilia leptalea Bridges' gilia Annual herb  
Gilia leptalea ssp. bicolor Purple throat gilia Annual herb  
Gilia leptalea ssp. leptalea Bridges gilia Annual herb  
Gilia leptomeria Tooth leaved gilia Annual herb  
Gilia lottiae Lott's gilia Annual herb  
Gilia maculata Miniatur gilia Annual herb  
Gilia malior Scrub gilia Annual herb  
Gilia micromeria Dainty gilia Annual herb  
Gilia modocensis Modoc gilia Annual herb  
Gilia ochroleuca Volcanic gilia Annual herb  
Gilia salticola Granite gilia Annual herb  
Gilia sinistra Clockwise gilia Annual herb  
Gilia sinistra ssp. pinnatisecta Cut leaf clockwise gilia Annual herb  
Gilia sinistra ssp. sinistra Clockwise gilia Annual herb  
Gilia sinuata Cinder gilia Annual herb  
Gilia splendens Splendid gilia Annual herb  
Gilia splendens ssp. grantii Grant's gilia Annual herb  
Gilia splendens ssp. splendens Splendid gilia Annual herb  
Gilia subacaulis Short stem gilia Annual herb  
Gilia tenerrima Delicate gilia Annual herb  
Gilia tetrabreccia Mt. pinos gilia Annual herb  
Gilia triodon Sand gilia Annual herb  
Githopsis pulchella Largeflower bluecup Annual herb  
Githopsis pulchella ssp. campestris Sierra bluecup Annual herb  
Glyptopleura marginata Keysia Annual herb  
Gnaphalium californicum California everlasting Annual, Perennial herb 13
Gnaphalium macounii Macoun's cudweed Annual, Perennial herb  
Gnaphalium palustre Lowland cudweed Annual herb  
Gnaphalium purpureum Purple cudweed Annual, Perennial herb  
Gnaphalium stramineum Cotton batting Annual, Perennial herb 4
Gratiola ebracteata Common hedge hyssop Annual herb  
Gratiola heterosepala Boggs lake hedge hyssop Annual herb  
Gratiola neglecta Clammy hedge hyssop Annual herb  
Guillenia flavescens Yellow california mustard Annual herb 1
Guillenia lasiophylla Shaggy thelypod Annual herb  
Gymnosteris parvula Small flowered gymnosteris Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 17
Helianthus bolanderi Bolander's sunflower Annual, Perennial herb 2
Helianthus niveus ssp. canescens Gray desert sunflower Annual, Perennial herb  
Hemizonella minima Opposite leaved tarweed Annual herb  
Hemizonia arida Red rock tarplant Annual herb  
Hemizonia congesta Hayfield tarweed Annual herb 5
Hemizonia congesta ssp. leucocephala Hayfield tarplant Annual herb  
Hemizonia conjugens Otay tarplant Annual herb  
Hemizonia corymbosa Coastal tarweed Annual herb 2
Hemizonia corymbosa ssp. corymbosa Central coast tarweed Annual herb 1
Hemizonia corymbosa ssp. macrocephala Central coast tarweed Annual herb 1
Hemizonia fasciculata Common tarweed Annual herb 5
Hemizonia fitchii Spikeweed Annual herb  
Hemizonia floribunda Tecate tarplant Annual herb  
Hemizonia halliana Hall's tarplant Annual herb  
Hemizonia increscens Grassland tarweed Annual herb  
Hemizonia increscens ssp. foliosa Leafy grassland tarweed Annual herb  
Hemizonia increscens ssp. increscens Coast tarplant Annual herb  
Hemizonia increscens ssp. villosa Gaviota tarplant Annual herb  
Hemizonia kelloggii Kellogg's tarweed Annual herb 1
Hemizonia lobbii Three raped tarweed Annual herb  
Hemizonia mohavensis Mojave tarplant Annual herb 1
Hemizonia pallida Kern tarweed Annual herb  
Hemizonia paniculata San diego tarweed Annual herb 2
Hemizonia parryi Parry's tarweed Annual herb 1
Hemizonia parryi ssp. australis Southern tarplant Annual herb 1
Hemizonia parryi ssp. congdonii Congdon's tarplant Annual herb  
Hemizonia parryi ssp. parryi Parry's tarweed Annual herb  
Hemizonia parryi ssp. rudis Parry's red tarplant Annual herb  
Hemizonia pentactis Salinas river tarweed Annual herb  
Hemizonia pungens Common spikeweed Annual herb 1
Hemizonia pungens ssp. laevis Smooth tarplant Annual herb  
Hemizonia pungens ssp. maritima Maritime spikeweed Annual herb  
Hemizonia pungens ssp. pungens Common tarweed Annual herb  
Hemizonia pungens ssp. septentrionalis Northern spikeweed Annual herb  
Hesperolinon micranthum Small flower western flax Annual herb  
Heterocodon rariflorum Heterocodon Annual herb  
Heterodraba unilateralis Ladiestongue mustard Annual herb  
Heterotheca psammophila Camphor weed Annual, Perennial herb 1
Holocarpha obconica ssp. autumnalis Autumn san joaquin tarweed Annual herb  
Holocarpha obconica ssp. obconica San joaquin tarweed Annual herb  
Hordeum arizonicum Arizona foxtail Annual grass  
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb  
Idahoa scapigera Oldstem idahoa Annual herb  
Impatiens occidentalis Western touch me not Annual herb  
Ipomopsis depressa Low ipomopsis Annual herb  
Ipomopsis polycladon Branching gilia Annual herb  
Iva nevadensis Nevada wormwood Annual herb  
Juncus bryoides Moss rush Annual grass  
Juncus bufonius Common toad rush Annual grass 6
Juncus bufonius var. bufonius Toad rush Annual grass  
Juncus bufonius var. congestus Clustered toad rush Annual grass 1
Juncus capillaris Slender stemmed dwarf rush Annual grass  
Juncus hemiendytus Dwarf rush Annual grass  
Juncus hemiendytus var. abjectus Center basin rush Annual grass  
Juncus hemiendytus var. hemiendytus Vernal pool rush Annual grass  
Juncus leiospermus Dwarf rush Annual grass  
Juncus leiospermus var. leiospermus Red bluff dwarf rush Annual grass  
Juncus luciensis Santa lucia rush Annual grass  
Juncus tiehmii Tiehm's rush Annual grass  
Juncus uncialis Inch high dwarf rush Annual grass  
Lagophylla ramosissima Common hareleaf Annual herb  
Lagophylla ramosissima ssp. congesta Clustered hareleaf Annual herb  
Lagophylla ramosissima ssp. ramosissima Common hareleaf Annual herb  
Lappula redowskii Stickweed Annual herb  
Lappula redowskii var. cupulata Cupped redowski's stickseed Annual herb  
Lasthenia glaberrima Smooth goldfields Annual herb  
Lasthenia macrantha Perennial goldfields Annual herb 2
Lasthenia macrantha ssp. bakeri Baker's goldfields Annual herb  
Lasthenia macrantha ssp. macrantha Perennial goldfields Annual herb 2
Layia glandulosa White layia Annual herb 6
Lembertia congdonii San joaquin woollythreads Annual herb  
Lepidium acutidens Net pepper grass Annual, Perennial herb  
Lepidium densiflorum var. densiflorum Common pepper grass Annual herb  
Lepidium densiflorum var. elongatum Common pepper grass Annual herb  
Lepidium densiflorum var. macrocarpum Bigseed pepper grass Annual herb  
Lepidium densiflorum var. pubecarpum Hairy pepper grass Annual herb  
Lepidium densiflorum var. pubicarpum Annual herb  
Lepidium densiflorum var. ramosum Common pepper grass Annual herb  
Lepidium dictyotum Net pepper grass Annual herb  
Lepidium dictyotum var. acutidens Net pepper grass Annual herb  
Lepidium dictyotum var. dictyotum Net pepper grass Annual herb  
Lepidium flavum var. flavum Yellow pepper grass Annual herb  
Lepidium lasiocarpum var. lasiocarpum Sand peppergrass Annual herb  
Lepidium latipes var. latipes Dwarf pepper grass Annual herb  
Lepidium nitidum var. howellii Howell's pepper grass Annual herb 2
Lepidium nitidum var. nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. oreganum Shining pepper grass Annual herb 2
Lepidium oblongum var. insulare Veiny pepper grass Annual herb  
Lepidium oblongum var. oblongum Veiny pepper grass Annual herb  
Lepidium ruderale Roadside pepperweed Annual herb  
Lepidium virginicum Wild pepper grass Annual herb  
Lepidium virginicum ssp. menziesii Robinson's pepper grass Annual herb  
Lepidium virginicum var. medium Wild pepper grass Annual herb  
Lepidium virginicum var. pubescens Wild pepper grass Annual herb  
Lepidium virginicum var. robinsonii Robinson's pepper grass Annual herb  
Leptochloa fascicularis Sprangletop Annual grass  
Leptochloa filiformis Red sprangletop Annual grass  
Leptochloa fusca Sprangletop Annual grass  
Leptochloa fusca ssp. fascicularis Bearded sprangletop Annual grass  
Leptochloa mucronata Mucronate sprangletop Annual grass  
Leptochloa uninervia Sprangletop Annual grass  
Leptosiphon bolanderi Bolander's linanthus Annual herb  
Leptosiphon ciliatus Whiskerbrush Annual herb 1
Leptosiphon ciliatus ssp. ciliatus Whiskerbrush Annual herb  
Leptosiphon harknessii Harkness' flaxflower Annual herb  
Leptosiphon septentrionalis Northern linanthus Annual herb  
Lesquerella tenella Little bladderpod Annual herb  
Lessingia glandulifera var. pectinata Valley lessingia Annual herb  
Lessingia lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. peirsonii Peirson's lessingia Annual herb  
Lessingia lemmonii var. ramulosissima Twiggy lemmon's lessingia Annual herb  
Lessingia occidentalis Western lessingia Annual herb  
Lessingia virgata var. virgata Wand lessingia Annual herb  
Lilaea scilloides Flowering quillwort Annual herb (aquatic)  
Limnanthes floccosa Woolly meadowfoam Annual herb  
Limnanthes floccosa ssp. floccosa Woolly meadowfoam Annual herb  
Limnanthes gracilis ssp. parishii Parish's meadowfoam Annual herb  
Limnanthes striata Foothill meadowfoam Annual herb  
Limosella acaulis Stemless mudwort Annual herb  
Limosella aquatica Northern mudwort Annual herb (aquatic)  
Linanthus acicularis Bristly linanthus Annual herb  
Linanthus ambiguus Serpentine linanthus Annual herb  
Linanthus androsaceus Common linanthus Annual herb 1
Linanthus aureus Golden gilia Annual herb  
Linanthus aureus ssp. aureus Golden linanthus Annual herb  
Linanthus aureus ssp. decorus Cream gilia Annual herb  
Linanthus bicolor True baby stars Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus breviculus Mojave linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus croceus Annual herb  
Linanthus filipes Filiform linanthus Annual herb  
Linanthus grandiflorus Large flower linanthus Annual herb 15
Linanthus harknessii Harkness linanthus Annual herb  
Linanthus jepsonii Jepson's linanthus Annual herb  
Linanthus latisectus Napa linanthus Annual herb  
Linanthus lemmonii Lemmon's linanthus Annual herb  
Linanthus liniflorus Flax flowered linanthus Annual herb  
Linanthus montanus Mustang clover Annual herb  
Linanthus nudatus Tehachapi linanthus Annual herb  
Linanthus oblanceolatus Sierra nevada linanthus Annual herb  
Linanthus parviflorus Common linanthus Annual herb 1
Linanthus pygmaeus Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. continentalis Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. pygmaeus Typical pygmy linanthus Annual herb  
Linanthus rattanii Rattan's linanthus Annual herb  
Linanthus rosaceus Rose linanthus Annual herb  
Linanthus septentrionalis Northern linanthus Annual herb  
Linanthus serrulatus Madera linanthus Annual herb  
Linaria canadensis Toad flax Annual, Perennial herb  
Linaria canadensis var. texana Toad flax Annual, Perennial herb  
Lindernia dubia var. anagallidea False pimpernel Annual herb  
Lindernia dubia var. dubia False pimpernel Annual herb  
Lipocarpha micrantha Small flowered hemicarpha Annual grass  
Loeflingia squarrosa Spreading loeflingia Annual herb  
Loeflingia squarrosa var. artemisiarum Sagebrush loeflingia Annual herb  
Loeflingia squarrosa var. squarrosa California loeflingia Annual herb  
Loeseliastrum depressum Depressed ipomopsis Annual herb  
Lotus denticulatus Toothed lotus Annual herb  
Lotus hamatus Small flowered lotus Annual herb 2
Lotus humistratus Short podded lotus Annual herb  
Lotus micranthus Hill lotus Annual herb  
Lotus nuttallianus Nuttall's lotus Annual herb  
Lotus purshianus Bird's foot trefoil Annual herb 6
Lotus purshianus var. purshianus Spanish lotus Annual herb 1
Lotus rubriflorus Red flowered lotus Annual herb  
Lotus salsuginosus Coastal lotus Annual herb 2
Lotus salsuginosus var. brevivexillus Coastal lotus Annual herb  
Lotus salsuginosus var. salsuginosus Coastal lotus Annual herb  
Lotus strigosus Strigose lotus Annual herb 3
Lotus unifoliolatus American bird's foot trefoil Annual herb 1
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb  
Lotus wrangelianus Chilean trefoil Annual herb  
Lupinus arizonicus var. arizonicus Arizona lupine Annual herb 7
Lupinus arizonicus var. barbatulus Arizona lupine Annual herb  
Lupinus benthamii var. benthamii Spider lupine Annual herb 4
Lupinus bicolor Lupine Annual, Perennial herb 16
Lupinus brevicaulis Short stemmed blue lupine Annual herb  
Lupinus microcarpus Chick lupine Annual herb 7
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 11
Lupinus microcarpus var. microcarpus Chick lupine Annual herb 3
Lupinus pusillus Rusty lupine Annual herb  
Lupinus pusillus var. intermontanus Intermountain lupine Annual herb  
Lupinus sparsiflorus ssp. sparsiflorus Coulter's lupine Annual herb  
Lupinus sparsiflorus var. inopinatus Coulter's lupine Annual herb  
Machaeranthera arida Silver lake daisy Annual herb  
Machaeranthera gracilis Slender goldenweed Annual herb  
Madia citrigracilis Shasta tarweed Annual herb  
Madia citriodora Lemon scented tarweed Annual herb  
Madia doris-nilesiae Niles's madia Annual herb  
Madia elegans Common madia Annual herb 12
Madia elegans ssp. densifolia Leafy common madia Annual herb 10
Madia elegans ssp. elegans Common madia Annual herb 12
Madia elegans ssp. vernalis Spring common madia Annual herb 11
Madia elegans ssp. wheeleri Wheeler's common madia Annual herb 10
Madia exigua Small tarweed Annual herb  
Madia glomerata Mountain tarweed Annual herb  
Madia gracilis Gumweed Annual herb 1
Madia hallii Hall's madia Annual herb  
Madia minima Little tarweed Annual herb  
Madia nutans Nodding madia Annual herb  
Madia rammii Ramm's madia Annual herb  
Madia stebbinsii Stebbins's madia Annual herb  
Madia yosemitana Yosemite madia Annual herb  
Malacothrix floccifera Woolly malacothrix Annual herb 1
Malacothrix glabrata Desert dandelion Annual herb 4
Malacothrix sonchoides Sow thistle malacothrix Annual herb 1
Malacothrix torreyi Torrey's malacothrix Annual herb  
Matricaria discoidea Pineapple weed Annual herb 3
Matricaria occidentalis Valley mayweed Annual herb  
Meconella linearis Narrow leaved meconella Annual herb  
Mentzelia albicaulis White stemmed blazing star Annual herb 2
Mentzelia congesta Clustered blazing star Annual herb  
Mentzelia dispersa Scattered blazing star Annual herb  
Mentzelia involucrata var. involucrata Whitebract blazingstar Annual herb  
Mentzelia involucrata var. megalantha Bracted blazing star Annual herb  
Mentzelia montana Mountain blazing star Annual herb  
Mentzelia pectinata San joaquin blazing star Annual herb  
Mentzelia veatchiana Veatch's blazing star Annual herb  
Micromonolepis pusilla Dwarf monolepis Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Microsteris gracilis var. humilior Slender phlox Annual herb  
Mimetanthe pilosa Snouted monkey flower Annual herb  
Mimulus angustatus Narrow leaved pansy monkeyflower Annual herb 1
Mimulus brachiatus Serpentine monkeyflower Annual herb  
Mimulus breviflorus Short flowered monkeyflower Annual herb  
Mimulus breweri Brewer's monkeyflower Annual herb  
Mimulus cleistogamus Selfing monkeyflower Annual herb  
Mimulus cupriphilus Mcnulty mine monkeyflower Annual herb  
Mimulus evanescens Disappearing monkeyflower Annual herb  
Mimulus floribundus Many flowered monkey flower Annual herb 1
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 37
Mimulus jepsonii Jepson's monkeyflower Annual herb  
Mimulus kelloggii Kellogg's monkeyflower Annual herb  
Mimulus latidens Broad toothed monkeyflower Annual herb  
Mimulus layneae Layne's monkeyflower Annual herb  
Mimulus mephiticus Skunky monkeyflower Annual herb  
Mimulus microphyllus Small leaved monkeyflower Annual herb 37
Mimulus nanus Dwarf monkey flower Annual herb  
Mimulus nanus var. jepsonii Jepson's monkeyflower Annual herb  
Mimulus nanus var. mephiticus Skunky monkeyflower Annual herb  
Mimulus nanus var. nanus Dwarf monkey flower Annual herb  
Mimulus pulsiferae Candelabrum monkey flower Annual herb  
Mimulus pygmaeus Egg lake monkeyflower Annual herb  
Mimulus rubellus Red stemmed himulus Annual herb  
Mimulus spissus Compact monkeyflower Annual herb  
Mimulus suksdorfii Suksdorf's monkeyflower Annual herb  
Mimulus torreyi Torrey's monkeyflower Annual herb  
Mimulus tricolor Tricolor monkeyflower Annual herb  
Mimulus whipplei Whipple's monkeyflower Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Monardella douglasii ssp. douglasii Douglas' monardella Annual herb  
Monardella douglasii ssp. venosa Veiny monardella Annual herb  
Monardella lanceolata Mustang mint Annual herb 1
Monardella lanceolata var. glandulifera Mustang monardella Annual herb  
Monardella lanceolata var. lanceolata Mustang monardella Annual herb  
Monardella lanceolata var. microcephala Mustang monardella Annual herb  
Monolepis nuttalliana Nuttall's poverty weed Annual herb  
Monolepis pusilla Dwarf poverty weed Annual herb  
Monolepis spathulata Beaver monolepis Annual herb  
Montia dichotoma Dwarf miner's lettuce Annual herb  
Montia fontana Water montia Annual herb  
Montia fontana ssp. chondrosperma Water chickweed Annual herb  
Montia linearis Narrow leaved water chickweed Annual herb  
Muhlenbergia filiformis Slender muhly Annual, Perennial grass  
Myosurus apetalus Mouse tail Annual herb  
Myosurus apetalus var. borealis Bristly mousetail Annual herb  
Myosurus apetalus var. montanus Bristly mousetail Annual herb  
Myosurus minimus Little mouse tail Annual herb  
Nama aretioides Purple nama Annual herb  
Nama aretioides var. californica California Fiddleleaf Annual herb  
Nama aretioides var. multiflora Ground Nama Annual herb  
Nama arizonicum Arizona fiddleleaf Annual herb  
Nama demissa Purplemat Annual herb  
Nama densa Leafy Nama Annual herb  
Nama densa var. densa Leafy Nama Annual herb  
Nama densa var. parviflora Leafy Nama Annual herb  
Nama densum Purple mat Annual herb  
Nama densum var. parviflorum Few flowered purple mat Annual herb  
Navarretia breweri Brewer's navarretia Annual herb  
Navarretia capillaris Miniature gilia Annual herb  
Navarretia divaricata Mountain navarretia Annual herb  
Navarretia divaricata ssp. vividior Mountain navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. propinqua Great basin navarretia Annual herb  
Navarretia jaredii Paso robles navarretia Annual herb  
Navarretia leptalea Bridges' pincushionplant Annual herb  
Navarretia leptalea ssp. bicolor Bridges' gilia Annual herb  
Navarretia leptalea ssp. leptalea Bridges' gilia Annual herb  
Navarretia leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. bakeri Baker's navarretia Annual herb  
Navarretia leucocephala ssp. leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. minima Little white navarretia Annual herb  
Navarretia linearifolia Navarretia Annual herb  
Navarretia linearifolia ssp. linearifolia Navarretia Annual herb  
Navarretia propinqua Annual herb  
Navarretia sinistra Alva day's pincushionplant Annual herb  
Navarretia sinistra ssp. pinnatisecta Pinnate leaved navarretia Annual herb  
Navarretia sinistra ssp. sinistra Alva day's gilia Annual herb  
Navarretia viscidula ssp. viscidula Sticky pincushionplant Annual herb  
Nemacladus capillaris Common nemacladus Annual herb  
Nemacladus glanduliferus var. glanduliferus Glandular nemacladus Annual herb  
Nemacladus glanduliferus var. orientalis Eastern glandular nemacladus Annual herb  
Nemacladus rigidus Rigid nemacladus Annual herb  
Nemacladus rubescens var. rubescens Desert threadplant Annual herb  
Nemacladus rubescens var. tenuis Desert nemacladus Annual herb  
Nemacladus sigmoideus Small flowered nemacladus Annual herb  
Nemophila breviflora Great basin nemophila Annual herb  
Nemophila parviflora Small flowered nemophila Annual herb  
Nemophila parviflora var. austiniae Rebecca austin's nemophila Annual herb  
Nemophila pedunculata Meadow nemophila Annual herb  
Nemophila pulchella ssp. pulchella Eastwood's nemophila Annual herb  
Nemophila spatulata Sierra nemophila Annual herb  
Neoholmgrenia andina Plateau evening primrose Annual herb  
Nicotiana attenuata Coyote tobacco Annual herb  
Nicotiana bigelovii var. wallacei Indian tobacco Annual herb  
Oenothera deltoides Desert lantern Annual herb 6
Oenothera deltoides ssp. cognata Desert lantern Annual herb  
Oenothera deltoides ssp. piperi Piper's desert lantern Annual herb  
Orcuttia tenuis Slender orcutt grass Annual grass  
Orobanche corymbosa Flat topped broom rape Annual herb  
Orthocarpus bracteosus Bracted owl's clover Annual herb  
Orthocarpus cuspidatus Broad scaled owl's clover Annual herb 1
Orthocarpus cuspidatus ssp. copelandii Copeland's owl's clover Annual herb  
Orthocarpus cuspidatus ssp. cryptanthus Short flowered owl's clover Annual herb  
Orthocarpus luteus Yellow owl's clover Annual herb 1
Oxytheca caryophylloides Chickweed oxytheca Annual herb  
Oxytheca dendroidea Narrowleaf oxytheca Annual herb  
Oxytheca dendroidea ssp. dendroidea Tall oxytheca Annual herb  
Oxytheca emarginata White margined oxytheca Annual herb  
Oxytheca parishii Parish's oxytheca Annual herb  
Oxytheca parishii var. abramsii Abrams's oxytheca Annual herb  
Oxytheca parishii var. cienegensis Cienega seca oxytheca Annual herb  
Oxytheca parishii var. goodmaniana Cushenbury oxytheca Annual herb  
Oxytheca parishii var. parishii Parish's oxytheca Annual herb  
Oxytheca perfoliata Roundleaf puncturebract Annual herb  
Oxytheca trilobata Three lobed oxytheca Annual herb  
Panicum alatum var. alatum Winged panicgrass Annual grass  
Panicum capillare Old witch grass Annual grass 2
Panicum capillare ssp. capillare Annual grass 2
Panicum hirticaule var. hirticaule Mexican panicgrass Annual grass  
Parishella californica Mojave dwarf Annual herb  
Parvisedum congdonii Congdon's stonecrop Annual herb  
Parvisedum leiocarpum Lake county stonecrop Annual herb  
Parvisedum pentandrum Central california stonecrop Annual herb  
Parvisedum pumilum Sierra stonecrop Annual herb  
Pectocarya penicillata Winged pectocarya Annual herb  
Pectocarya setosa Moth combseed Annual herb 1
Peritoma platycarpa Golden bee plant Annual herb  
Persicaria lapathifolia Common knotweed Annual herb  
Phacelia adenophora Glandular yellow phacelia Annual herb  
Phacelia affinis var. patens Limestone phacelia Annual herb  
Phacelia bicolor Twocolor phacelia Annual herb  
Phacelia bicolor var. bicolor Two colored phacelia Annual herb  
Phacelia campanularia ssp. campanularia Desert bells Annual herb 1
Phacelia campanularia ssp. vasiformis Desert bluebells Annual herb  
Phacelia cicutaria var. hubbyi Hubby's caterpillar phacelia Annual herb  
Phacelia douglasii var. douglasii Douglas' phacelia Annual herb  
Phacelia eisenii Eisen's phacelia Annual herb  
Phacelia eisenii var. brandegeana Eisen's phacelia Annual herb  
Phacelia glandulifera Sticky phacelia Annual herb  
Phacelia gymnoclada Naked stem phacelia Annual herb  
Phacelia hardhamiae Hardham's gray phacelia Annual herb  
Phacelia humilis Low phacelia Annual herb  
Phacelia humilis var. humilis Low phacelia Annual herb  
Phacelia inundata Playa phacelia Annual herb  
Phacelia ivesiana var. ivesiana Ives' phacelia Annual herb  
Phacelia linearis Thread leaf phacelia Annual herb  
Phacelia quickii Quick's phacelia Annual herb  
Phacelia racemosa Racemose phacelia Annual herb  
Phacelia suaveolens ssp. keckii Santiago peak phacelia Annual herb  
Phacelia suaveolens var. keckii Santiago peak phacelia Annual herb  
Phacelia suaveolens var. suaveolens Sweet scented phacelia Annual herb  
Phacelia tetramera Four parted phacelia Annual herb  
Phacelia thermalis Heat phacelia Annual herb  
Phacelia vallis-mortae var. vallis-mortae Death valley phacelia Annual herb  
Phlox gracilis Annual phlox Annual herb  
Plagiobothrys austiniae Rebecca austin's allocarya Annual herb  
Plagiobothrys bracteatus Bracted allocarya Annual herb  
Plagiobothrys catalinensis Catalina popcorn flower Annual herb  
Plagiobothrys cognatus Popcorn flower Annual herb  
Plagiobothrys cusickii Cusick's popcorn flower Annual herb  
Plagiobothrys glomeratus Mammoth popcorn flower Annual herb  
Plagiobothrys glyptocarpus Sculptured allocarya Annual herb  
Plagiobothrys glyptocarpus var. glyptocarpus Sculptured allocarya Annual herb  
Plagiobothrys hispidulus Harsh allocarya Annual herb  
Plagiobothrys hispidus Cascade popcorn flower Annual herb  
Plagiobothrys kingii Great basin popcorn flower Annual herb  
Plagiobothrys kingii var. harknessii Harkness' great basin popcorn flower Annual herb  
Plagiobothrys kingii var. kingii Great basin popcorn flower Annual herb  
Plagiobothrys leptocladus Alkali plagiobothrys Annual herb  
Plagiobothrys myosotoides Forget me not popcorn flower Annual herb  
Plagiobothrys scouleri Scouler's popcornflower Annual herb  
Plagiobothrys scouleri var. cusickii Cusick's popcornflower Annual herb  
Plagiobothrys scouleri var. hispidulus Sleeping popcornflower Annual herb  
Plagiobothrys shastensis Shasta popcorn flower Annual herb  
Plagiobothrys stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Plagiobothrys torreyi Torrey's popcorn flower Annual herb  
Plantago bigelovii Long leaf plantain Annual herb  
Plantago elongata ssp. pentasperma Five seeded plantain Annual herb  
Plectritis brachystemon Short spurred plectritis Annual herb  
Plectritis ciliosa ssp. ciliosa Long spurred plectritis Annual herb  
Plectritis ciliosa ssp. insignis Showy plectritis Annual herb  
Plectritis congesta Sea blush Annual herb 1
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb  
Plectritis macrocera Plectritis Annual herb  
Poa bolanderi Bolander's bluegrass Annual grass  
Pogogyne douglasii ssp. douglasii Douglas' mesamint Annual herb  
Pogogyne floribunda Profuse flowered pogogyne Annual herb  
Polemonium micranthum Annual sky pilot Annual herb  
Polygonum austiniae Rebecca austin's knotweed Annual herb  
Polygonum californicum California knotweed Annual herb  
Polygonum douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. austiniae Rebecca austin's knotweed Annual herb  
Polygonum douglasii ssp. douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. johnstonii Knotweed Annual herb  
Polygonum douglasii ssp. majus Large douglas' knotweed Annual herb  
Polygonum douglasii ssp. spergulariiforme Spurry knotweed Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Polygonum majus Large douglas' knotweed Annual herb  
Polygonum minimum Little mountain knotweed Annual herb  
Polygonum parryi Parry's knotweed Annual herb  
Polygonum polygaloides Milkwort knotweed Annual herb  
Polygonum polygaloides ssp. confertiflorum Dense knotweed Annual herb  
Polygonum polygaloides ssp. esotericum Modoc county knotweed Annual herb  
Polygonum polygaloides ssp. kelloggii Kellogg's knotweed Annual herb  
Polygonum ramosissimum ssp. ramosissimum Yellow knotweed Annual herb  
Polygonum sawatchense Knotweed Annual herb  
Polygonum sawatchense ssp. oblivium Knotweed Annual, Perennial herb  
Polygonum sawatchense ssp. sawatchense Annual, Perennial herb  
Polygonum spergulariiforme Spurry knotweed Annual herb  
Porterella carnosula Porterella Annual herb  
Potamogeton zosteriformis Eel grass pondweed Annual herb (aquatic)  
Potentilla rivalis Brook cinquefoil Annual, Perennial herb  
Poteridium annuum Western burnet Annual, Perennial herb  
Proboscidea parviflora ssp. parviflora Devil's claw Annual herb  
Proboscidea parviflora var. hohokamiana Devil's claw Annual herb  
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus chilensis Round woolly marbles Annual herb  
Psilocarphus elatior Tall woolly marbles Annual herb  
Psilocarphus oregonus Woolly marbles Annual herb  
Psilocarphus tenellus Slender woolly heads Annual herb  
Psilocarphus tenellus var. globiferus Round woolly marbles Annual herb  
Psilocarphus tenellus var. tenellus Slender woolly heads Annual herb  
Puccinellia simplex California alkaligrass Annual grass  
Ranunculus macounii Macoun's buttercup Annual, Perennial herb  
Ranunculus sceleratus Cursed crowfoot Annual herb (aquatic)  
Ranunculus uncinatus Hooked fruit buttercup Annual, Perennial herb  
Ranunculus uncinatus var. parviflorus Small flowered hooked fruit buttercup Annual, Perennial herb  
Ranunculus uncinatus var. uncinatus Woodland buttercup Annual, Perennial herb  
Rigiopappus leptocladus Wire weed Annual herb  
Rorippa curvipes Bluntleaf yellow cress Annual herb  
Rorippa curvipes var. curvipes Bluntleaf yellow cress Annual herb  
Rorippa curvipes var. truncata Blunt yellow cress Annual herb  
Rorippa curvisiliqua Curvepod yellow cress Annual, Perennial herb  
Rorippa palustris Bog yellow cress Annual, Perennial herb  
Rorippa palustris ssp. hispida Hispid yellowcress Annual, Perennial herb  
Rorippa palustris ssp. palustris Bog yellowcress Annual, Perennial herb  
Rorippa palustris var. hispida Hispid yellow cress Annual, Perennial herb  
Rorippa palustris var. occidentalis Western bog yellow cress Annual, Perennial herb  
Rorippa sphaerocarpa Round fruit yellow cress Annual herb  
Rotala ramosior Lowland rotala Annual herb  
Rumex fueginus Golden dock Annual, Perennial herb  
Rumex maritimus Golden dock Annual, Perennial herb  
Salvia columbariae var. columbariae Chia Annual herb 11
Saxifraga bryophora Bud saxifrage Annual herb  
Scirpus cernuus Low clubrush Annual grass 14
Scirpus koilolepis Keeled bulrush Annual grass  
Scirpus saximontanus Rocky mountain bulrush Annual grass  
Sclerolinon digynum Digynum flax Annual herb  
Scribneria bolanderi Scribneria Annual grass  
Sedella pumila Sierra mock stonecrop Annual herb  
Senecio ammophilus California coast butterweed Annual herb  
Sesbania exaltata Colorado river hemp Annual herb  
Sibara rosulata East mojave rock cress Annual herb  
Sibara virginica Common rock cress Annual, Perennial herb  
Silene californica California indian pink Annual herb 1
Silene multinervia Fire following campion Annual herb  
Silene verecunda Dolores campion Annual herb  
Silene verecunda ssp. andersonii Anderson's campion Annual herb  
Silene verecunda ssp. platyota San francisco campion Annual herb  
Spergularia salina Salt sandspurry Annual herb 1
Spirodela punctata Dotted duckmeat Annual, Perennial herb  
Stephanomeria exigua Small wirelettuce Annual herb  
Stephanomeria exigua ssp. coronaria White plume wirelettuce Annual herb  
Stephanomeria exigua ssp. exigua Mitra Annual herb  
Stephanomeria paniculata Stiff branched stephanomeria Annual herb  
Stephanomeria virgata Twiggy wreath plant Annual herb 1
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria Annual herb  
Stephanomeria virgata ssp. virgata Tall milk aster Annual herb  
Streptanthella longirostris Long beaked twist flower Annual herb  
Streptanthus breweri var. breweri Brewer's jewelflower Annual herb  
Streptanthus breweri var. hesperidis Brewer's jewelflower Annual herb  
Streptanthus glandulosus var. hoffmanii Hoffmann's jewelflower Annual herb 2
Streptanthus niger Tiburon jewel flower Annual herb  
Streptanthus tortuosus Jewelweed Annual, Perennial herb  
Streptanthus tortuosus var. flavescens Yellow mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. orbiculatus Mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. suffrutescens Bush mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. tortuosus Mountain jewelflower Annual, Perennial herb  
Stylomecon heterophylla Wind poppy Annual herb 3
Suaeda calceoliformis Horned sea blite Annual herb 1
Suaeda occidentalis Western horned sea blite Annual herb 1
Subularia aquatica Waterawlwort Annual herb  
Subularia aquatica var. americana American awlwort Annual herb  
Symphyotrichum frondosum Short rayed alkali aster Annual herb  
Tetrapteron graciliflorum Hill sun cup Annual herb  
Teucrium cubense var. densum Small coastal germander Annual herb  
Thelypodium crispum Wavy leaved thelypodium Annual, Perennial herb  
Thysanocarpus curvipes Common fringe pod Annual herb 2
Thysanocarpus curvipes ssp. curvipes Fringe Pod Annual herb  
Thysanocarpus laciniatus var. hitchcockii Narrow leaved lacepod Annual herb  
Thysanocarpus laciniatus var. laciniatus Narrow leaved lacepod Annual herb  
Thysanocarpus laciniatus var. rigidus Narrow leaved lacepod Annual herb  
Tidestromia lanuginosa ssp. eliassoniana Woolly tidestromia Annual herb  
Tiquilia nuttallii Nuttall's coldenia Annual herb  
Trichostema oblongum Mountain bluecurls Annual herb  
Trichostema simulatum Siskiyou bluecurls Annual herb  
Trifolium albopurpureum var. albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. dichotomum Clover Annual herb  
Trifolium albopurpureum var. olivaceum Owl's clover Annual herb  
Trifolium barbigerum var. andrewsii Gray's clover Annual herb 1
Trifolium barbigerum var. barbigerum Bearded clover Annual herb  
Trifolium cyathiferum Cup clover Annual herb  
Trifolium depauperatum var. hydrophilum Water sack clover Annual herb  
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 5
Trifolium gracilentum var. palmeri Southern island clover Annual herb  
Trifolium microcephalum Small head clover Annual herb 4
Trifolium variegatum Variegated clover Annual herb 1
Trifolium variegatum var. geminiflorum Small-flowered variegated clover Annual herb 1
Trifolium variegatum var. major Large variegated clover Annual herb 1
Trifolium variegatum var. variegatum Variegated clover Annual herb  
Triglochin scilloides Flowering-quillwort Annual herb (aquatic)  
Triphysaria eriantha Butter 'n' eggs Annual herb 1
Triphysaria eriantha ssp. eriantha Butter 'n' eggs Annual herb  
Tripterocalyx crux-maltae Lassen sand verbena Annual herb  
Twisselmannia californica King's gold Annual herb  
Uropappus lindleyi Silver puffs Annual herb 1
Utricularia minor Lesser bladderwort Annual herb  
Verbena bracteata Bracted verbena Annual, Perennial herb  
Veronica peregrina Neckweed Annual herb  
Veronica peregrina ssp. xalapensis Speedwell Annual herb  
Vicia ludoviciana var. ludoviciana Slender vetch Annual herb  
Vulpia microstachys Fescue Annual grass 7
Vulpia microstachys var. ciliata Eastwood fescue Annual grass  
Vulpia microstachys var. confusa Tracy's fescue Annual grass  
Vulpia microstachys var. microstachys Small fescue Annual grass  
Vulpia microstachys var. pauciflora Few flowered fescue Annual grass  
Vulpia octoflora Slender fescue Annual grass 5
Vulpia octoflora var. hirtella Six weeks fescue Annual grass 1
Vulpia octoflora var. octoflora Six weeks fescue Annual grass 1
Xanthium strumarium Cocklebur Annual herb  
Zeltnera exaltata Cancha lagua Annual herb  
Zeltnera muehlenbergii Muehlenberg's centaury Annual herb 2
Zeltnera namophila Spring-loving Centaury Annual herb  
  Lifeform: Biennial3 plants
Descurainia incisa ssp. incisa Mountain tansy mustard Biennial herb  
Erigeron divergens Diffuse daisy Biennial, Perennial herb 3
Gnaphalium ramosissimum Pink everlasting Biennial herb 2
  Lifeform: Perennial2278 plants
Abronia nana ssp. covillei Coville's dwarf abronia Perennial herb  
Abronia umbellata ssp. breviflora Pink sand verbena Perennial herb  
Abronia umbellata ssp. umbellata Sand verbena Perennial herb  
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 nevadensis Sierra lotus Perennial herb  
Acmispon nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Aconitum columbianum Monkshood Perennial herb 3
Aconitum columbianum ssp. columbianum Columbian monkshood Perennial herb  
Aconitum columbianum var. howellii Howell's monkshood Perennial herb  
Aconogonon davisiae Davis knotweed Perennial herb  
Actaea rubra Baneberry Perennial herb 7
Adenocaulon bicolor Trail plant Perennial herb  
Agastache parvifolia Small leaved horsemint Perennial herb  
Agastache urticifolia Horse mint Perennial herb 6
Ageratina occidentalis Western eupatorium Perennial herb 4
Agoseris Xdasycarpa Perennial herb  
Agoseris aurantiaca Orange flowered agoseris Perennial herb 1
Agoseris elata Tall agoseris Perennial herb  
Agoseris glauca Short beaked agoseris Perennial herb  
Agoseris glauca var. agrestis Field short beaked agoseris Perennial herb  
Agoseris glauca var. glauca 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 monticola Mountain agoseris Perennial herb  
Agoseris parviflora False 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 humilis Mountain bent grass Perennial grass  
Agrostis idahoensis Colonial bentgrass Perennial grass 3
Agrostis oregonensis Oregon bentgrass Perennial grass  
Agrostis pallens Diego bent grass Perennial grass 14
Agrostis scabra Rough bentgrass Perennial grass 4
Agrostis scabra var. geminata Rough bentgrass Perennial grass 4
Agrostis thurberiana Thurber's bentgrass Perennial grass  
Agrostis variabilis Mountain bentgrass Perennial grass  
Alisma gramineum Grass leaf water plantain Perennial herb  
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allium acuminatum Taper tipped onion Perennial herb (bulb) 7
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium anceps Twin leaved onion Perennial herb (bulb)  
Allium atrorubens Dark red onion Perennial herb (bulb)  
Allium atrorubens var. atrorubens Great basin onion Perennial herb (bulb)  
Allium bisceptrum Twincrest onion Perennial herb (bulb)  
Allium bisceptrum var. bisceptrum Twin crest onion Perennial herb (bulb)  
Allium campanulatum Dusky onion Perennial herb (bulb) 1
Allium lemmonii Lemmon's onion Perennial herb (bulb) 1
Allium membranaceum Papery onion Perennial herb (bulb)  
Allium parvum Dwarf onion Perennial herb (bulb) 1
Allium platycaule Broad stemmed onion Perennial herb (bulb) 2
Allium tolmiei Tolmie's onion Perennial herb (bulb)  
Alopecurus aequalis Sonoma alopecurus Perennial grass  
Alopecurus aequalis var. aequalis Shortawn foxtail Perennial grass  
Alopecurus geniculatus Marsh foxtail Perennial grass  
Ambrosia bipinnatifida Beach bur Perennial herb 10
Ambrosia salsola var. fasciculata Burrobrush Perennial herb  
Amphiscirpus nevadensis Great basin bulrush Perennial grass  
Anaphalis margaritacea Pearly everlasting Perennial herb 17
Anemone drummondii Drummond's anemone Perennial herb 2
Anemone oregana Western wood anenome Perennial herb  
Angelica breweri Brewer's angelica Perennial herb 1
Antennaria argentea Silvery everlasting Perennial herb  
Antennaria corymbosa Meadowpussytoes Perennial herb  
Antennaria dimorpha Gray cushion pussytoes Perennial herb  
Antennaria flagellaris Stoloniferous pussytoes Perennial herb  
Antennaria geyeri Geyer's pussytoes Perennial herb  
Antennaria lanata Woolly pussy toes Perennial herb  
Antennaria luzuloides Silvery brown pussytoes Perennial herb  
Antennaria luzuloides ssp. aberrans Rush pussytoes Perennial herb  
Antennaria luzuloides ssp. luzuloides Rush pussytoes Perennial herb  
Antennaria media Alpine pussytoes Perennial herb 1
Antennaria microphylla Littleleaf pussytoes Perennial herb 5
Antennaria rosea Rosy everlasting Perennial herb 2
Antennaria rosea ssp. confinis Rosy pussytoes Perennial herb  
Antennaria rosea ssp. rosea Rosy pussytoes Perennial herb  
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 53
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 pycnocarpa Creamflower rockcress Perennial herb 1
Arabis pycnocarpa var. pycnocarpa Hairy fruit rock cress Perennial herb  
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  
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium americanum American 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 pumicola var. californica Pumice sandwort Perennial herb  
Arenaria ursina Big bear valley sandwort Perennial herb  
Argemone corymbosa Leafy prickly poppy Perennial herb 2
Aristida californica var. californica California three aw Perennial grass  
Aristida orcuttiana Orcutt's threeawn Perennial grass  
Arnica Xdiversifolia Rayless arnica Perennial herb  
Arnica amplexicaulis Streambank arnica Perennial herb 3
Arnica chamissonis Chamisso arnica Perennial herb 6
Arnica chamissonis ssp. foliosa Meadow arnica Perennial herb 6
Arnica cordifolia Heart leaved arnica Perennial herb 1
Arnica cordifolia var. cordifolia Heart leaved arnica Perennial herb  
Arnica cordifolia var. pumila Dwarf heart leaved arnica Perennial herb 1
Arnica dealbata Mock leopardbane Perennial herb  
Arnica discoidea Rayless arnica Perennial herb  
Arnica diversifolia Lawless arnica Perennial herb  
Arnica fulgens Hillside arnica Perennial herb (rhizomatous)  
Arnica latifolia Mountain arnica Perennial herb  
Arnica longifolia Seep spring arnica Perennial herb  
Arnica mollis Cordilleran arnica Perennial herb 1
Arnica nevadensis Sierra arnica Perennial herb 1
Arnica parryi Nodding arnica Perennial herb  
Arnica parryi ssp. parryi Parry's arnica Perennial herb  
Arnica parryi ssp. sonnei Sonne's nodding arnica Perennial herb  
Arnica sororia Twin arnica Perennial herb (rhizomatous)  
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. candicans Gray mugwort Perennial herb  
Artemisia ludoviciana ssp. incompta Western mugwort Perennial herb  
Artemisia ludoviciana ssp. ludoviciana Silver wormwood Perennial herb 3
Aruncus dioicus var. pubescens Goats beard Perennial herb  
Asclepias californica California milkweed Perennial herb 6
Asclepias californica ssp. greenei Greene's california milkweed Perennial herb 6
Asclepias cordifolia Purple milkweed Perennial herb 8
Asclepias cryptoceras ssp. davisii Davis' humboldt mountains milkweed Perennial herb  
Asclepias fascicularis narrow leaf milkweed Perennial herb 32
Asclepias speciosa Showy milkweed Perennial herb 40
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 38
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) 1
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 accidens Rogue river milkvetch Perennial herb  
Astragalus accidens var. hendersonii Henderson's milk vetch Perennial herb  
Astragalus agrestis Purple loco weed Perennial herb  
Astragalus andersonii Anderson's rattle weed Perennial herb  
Astragalus anxius Troubled milk vetch Perennial herb  
Astragalus argophyllus Silverleaf milkvetch Perennial herb  
Astragalus argophyllus var. argophyllus Silver leaf milk vetch Perennial herb  
Astragalus canadensis Canadian milkvetch Perennial herb 1
Astragalus canadensis var. brevidens Short toothed milk vetch Perennial herb  
Astragalus curvicarpus Curvepod milkvetch Perennial herb  
Astragalus curvicarpus var. curvicarpus Curved pod milk vetch Perennial herb  
Astragalus filipes Narrow pod locoweed Perennial herb  
Astragalus gibbsii Gibbs locoweed Perennial herb  
Astragalus inversus Susanville milk vetch Perennial herb  
Astragalus iodanthus Humboldt river milkvetch Perennial herb  
Astragalus iodanthus var. diaphanoides Snake milkvetch Perennial herb  
Astragalus iodanthus var. iodanthus Humboldt river milk vetch Perennial herb  
Astragalus lemmonii Lemmon's milk vetch Perennial herb  
Astragalus lentiformis Lens pod milk vetch Perennial herb  
Astragalus malacus Shaggy milk vetch Perennial herb  
Astragalus monoensis var. monoensis Mono milk vetch Perennial herb  
Astragalus monoensis var. ravenii Raven's milk vetch Perennial herb  
Astragalus obscurus Basalt milk vetch Perennial herb  
Astragalus pulsiferae Pulsifer's milk vetch Perennial herb  
Astragalus pulsiferae var. coronensis Modoc plateau milk vetch Perennial herb  
Astragalus pulsiferae var. pulsiferae Pulsifer's milk vetch Perennial herb  
Astragalus pulsiferae var. suksdorfii Suksdorf's milk vetch Perennial herb  
Astragalus purshii Pursh's sheeppod Perennial herb 2
Astragalus purshii var. lagopinus Pursh's milk vetch Perennial herb  
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 whitneyi Whitney's milk vetch Perennial herb 1
Astragalus whitneyi var. confusus Whitney's milk vetch Perennial herb 1
Astragalus whitneyi var. lenophyllus Whitney's milk vetch Perennial herb  
Astragalus whitneyi var. siskiyouensis Siskiyou milk vetch Perennial herb  
Astragalus whitneyi var. whitneyi Whitney's milk vetch Perennial herb  
Atriplex californica California salt bush Perennial herb 1
Atriplex gardneri Gardner's saltbush Perennial herb 2
Atriplex gardneri var. falcata Sickle saltbush Perennial herb 1
Baccharis douglasii Salt marsh baccharis Perennial herb 15
Bahia dissecta Ragged leaf bahia Perennial herb  
Baileya multiradiata var. multiradiata Wild marigold Perennial herb 19
Balsamorhiza deltoidea Deltoid balsam root Perennial herb 2
Balsamorhiza hirsuta Hairy balsam root Perennial herb  
Balsamorhiza hookeri Hooker's balsam root Perennial herb 1
Balsamorhiza hookeri var. lanata Woolly balsamroot Perennial herb  
Balsamorhiza 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
Balsamorhiza sagittata Arrow leaved balsamroot Perennial herb 6
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens cernua Nodding beggartick Perennial herb  
Bidens cernua var. cernua Nodding bur marigold Perennial herb  
Bistorta bistortoides American bistort Perennial herb  
Boechera arcuata Arching rockcress Perennial herb  
Boechera constancei Constance's rock cress Perennial herb  
Boechera covillei Coville's rockcress Perennial herb  
Boechera divaricarpa Spreadingpod rockcress Perennial herb  
Boechera lemmonii Lemmon's rockcress Perennial herb  
Boechera lincolnensis Lincoln rockcress Perennial herb  
Boechera microphylla Small-leaved rock cress Perennial herb  
Boechera microphylla var. microphylla Small-leaved rock cress Perennial herb  
Boechera pauciflora Hairy stem rockcress Perennial herb  
Boechera paupercula Small-flowered rockcress Perennial herb  
Boechera pendulocarpa Dropseed rockcress Perennial herb  
Boechera pinetorum Woodland rockcress Perennial herb  
Boechera platysperma Pioneer rockcress Perennial herb  
Boechera puberula Silver rockcress Perennial herb  
Boechera pulchra Beautiful rockcress Perennial herb 2
Boechera rectissima Bristly leaf rockcress Perennial herb  
Boechera repanda Yosemite rockcress Perennial herb  
Boechera retrofracta Reflexed rockcress Perennial herb  
Boechera sparsiflora Sicklepod rockcress Perennial herb 2
Boechera stricta Drummond's rockcress Perennial herb  
Boechera subpinnatifida Klamath rockcress Perennial herb  
Boechera suffrutescens Woody rockcress Perennial herb  
Bolboschoenus fluviatilis River bulrush Perennial grass 2
Bolboschoenus maritimus Alkali bulrush Perennial grass 16
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 16
Boschniakia hookeri Small groundcone Perennial herb (parasitic)  
Boschniakia strobilacea Ground cone Perennial herb (parasitic)  
Brasenia schreberi Watershield Perennial herb (aquatic)  
Brickellia californica California brickellia Perennial herb 16
Brickellia californica var. californica California brickellbush Perennial herb 2
Brickellia grandiflora Large flowered brickelbush Perennial herb  
Brickellia greenei Greene's brickelbush Perennial herb  
Brickellia watsonii Watson's brickellia Perennial herb  
Brodiaea californica var. californica California brodiaea Perennial herb 7
Brodiaea californica var. leptandra Sonoma brodiaea Perennial herb 1
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. rosea Indian valley brodiaea Perennial herb (bulb)  
Brodiaea purdyi Purdy's brodiaea Perennial herb 2
Bromus anomalus Nodding brome Perennial grass 1
Bromus carinatus California bromegrass Perennial grass 22
Bromus carinatus var. carinatus California brome Perennial grass 22
Bromus carinatus var. marginatus Mountain brome Perennial grass 6
Bromus carinatus var. maritimus Seaside brome Perennial grass 1
Bromus ciliatus Fringed bromegrass Perennial grass 2
Bromus ciliatus var. ciliatus Fringed brome Perennial grass 2
Bromus grandis Tall brome Perennial grass  
Bromus marginatus Mountain brome Perennial grass 6
Bromus suksdorfii Suksdorf's bromegrass Perennial grass 1
Calamagrostis canadensis Canada reedgrass Perennial grass 5
Calamagrostis crassiglumis Thurber's reed grass Perennial grass (rhizomatous)  
Calamagrostis stricta Narrow hairgrass Perennial grass (rhizomatous) 1
Calamagrostis stricta ssp. inexpansa Thurber's reed grass Perennial grass (rhizomatous)  
Callitriche fassettii Fassett's water starwort Perennial herb  
Callitriche hermaphroditica Northern water starwort Perennial herb  
Callitriche heterophylla Water starwort Perennial herb  
Calochortus albus var. albus Fairy lantern Perennial herb 1
Calochortus albus var. rubellus Pink fairy lanterns Perennial herb 6
Calochortus bruneaunis Pinyon mariposa Perennial herb 1
Calochortus coeruleus Blue star tulip Perennial herb 1
Calochortus leichtlinii Leichtlin's mariposa lily Perennial herb 2
Calochortus longebarbatus Longbeard mariposa lily Perennial herb (bulb) 1
Calochortus longebarbatus var. longebarbatus Long haired star tulip Perennial herb (bulb)  
Calochortus macrocarpus Sagebrush mariposa lily Perennial herb  
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Calochortus weedii var. vestus Late flowered mariposa lily Perennial herb (bulb) 1
Caltha leptosepala White marsh marigold Perennial herb 3
Caltha leptosepala ssp. howellii Howell's marsh marigold Perennial herb 4
Caltha leptosepala var. biflora Marsh marigold Perennial herb 3
Calyptridium monospermum One seeded pussypaws Perennial herb  
Calystegia occidentalis Bush morning glory Perennial herb 2
Calystegia occidentalis ssp. occidentalis Modoc morning glory Perennial herb  
Calystegia occidentalis var. tomentella Kern morning glory Perennial herb  
Camassia leichtlinii Large camas Perennial herb 10
Camassia leichtlinii ssp. suksdorfii Suksdorf's large camas Perennial herb 2
Camassia quamash Camas Perennial herb 13
Camassia quamash ssp. breviflora Small camas Perennial herb 1
Camassia quamash ssp. quamash Common camas Perennial herb 1
Camissonia cheiranthifolia Beach evening primrose Perennial herb 11
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening primrose Perennial herb 2
Camissonia cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Camissonia ovata Sun cup Perennial herb 2
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  
Campanula prenanthoides Nodding harebell Perennial herb 2
Cardamine breweri Brewer's bitter cress Perennial herb  
Cardamine breweri var. breweri Brewer's bitter cress Perennial herb  
Cardamine breweri var. orbicularis Heart leaved bitter cress Perennial herb  
Cardamine californica 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 Heartleaf bittercress Perennial herb  
Cardamine cordifolia var. lyallii Lyall's bitter cress Perennial herb  
Cardamine nuttallii Nuttall's toothwort Perennial herb  
Cardamine nuttallii var. covilleana Coville's toothwort Perennial herb  
Cardamine nuttallii var. dissecta Tooth leaved nuttall's toothwort Perennial herb  
Cardamine nuttallii var. nuttallii Nuttall's toothwort Perennial herb  
Cardamine pachystigma var. pachystigma Rock toothwort Perennial herb  
Cardamine pensylvanica Pennsylvania bittercress Perennial herb  
Carex abrupta Abrupt beaked sedge Perennial grass  
Carex albida White sedge Perennial grass (rhizomatous)  
Carex amplectens Clasping bract sedge Perennial grass 1
Carex amplifolia Ample leaved sedge Perennial grass 2
Carex angustata Narrow leaved sedge Perennial grass 1
Carex aquatilis Water sedge Perennial grass 5
Carex aquatilis var. aquatilis Water sedge Perennial grass 1
Carex aquatilis var. dives Sitka sedge Perennial grass 3
Carex atherodes Slough sedge Perennial grass  
Carex athrostachya Slender leaved sedge Perennial grass 2
Carex aurea Golden fruited sedge Perennial grass  
Carex bella Southwestern showy sedge Perennial grass  
Carex bolanderi Bolander's sedge Perennial grass  
Carex brainerdii Brainerd'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 cusickii Cusick's sedge Perennial grass 2
Carex davyi Davy's sedge Perennial grass  
Carex deflexa Mountain mat sedge Perennial grass  
Carex deflexa var. boottii Mountain mat 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 disperma Soft leaf sedge Perennial grass  
Carex douglasii Douglas sedge Perennial grass 1
Carex dudleyi Dudley's sedge Perennial grass 9
Carex echinata Bristle fruit sedge Perennial grass 1
Carex echinata ssp. echinata Bristle fruit sedge Perennial grass  
Carex eleocharis Spikerush sedge Perennial grass (rhizomatous)  
Carex feta Green sheathed sedge Perennial grass  
Carex filifolia Thread leaf sedge Perennial grass 1
Carex filifolia var. erostrata Thread leaf sedge Perennial grass  
Carex filifolia var. filifolia Thread leaf sedge Perennial grass 1
Carex fracta Fragile sheathed sedge Perennial grass 1
Carex garberi Garber's sedge Perennial grass  
Carex geyeri Geyer's sedge Perennial grass (rhizomatous)  
Carex gigas Siskiyou sedge Perennial grass (rhizomatous)  
Carex hassei Hasse's sedge Perennial grass  
Carex haydeniana Cloud 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 hoodii Hood's sedge Perennial grass  
Carex incurviformis var. danaensis Coastal sand sedge Perennial grass (rhizomatous)  
Carex inops Long stolon sedge Perennial grass 1
Carex inops ssp. inops Long stolon sedge Perennial grass 1
Carex integra Smooth beak sedge Perennial grass  
Carex interior Inland sedge Perennial grass 1
Carex jonesii Jones' sedge Perennial grass  
Carex lasiocarpa Woolly fruited sedge Perennial grass (rhizomatous) 2
Carex lemmonii Lemmon's sedge Perennial grass  
Carex lenticularis Lakeshore sedge Perennial grass 1
Carex lenticularis var. impressa Lakeshore sedge Perennial grass  
Carex lenticularis var. limnophila Lakeshore sedge Perennial grass  
Carex lenticularis var. lipocarpa Fat fruited sedge Perennial grass 1
Carex limosa Shore sedge Perennial grass (rhizomatous)  
Carex livida Livid sedge Perennial grass (rhizomatous)  
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 microptera Small wing sedge Perennial grass 2
Carex multicaulis Forest sedge Perennial grass  
Carex multicostata Many ribbed sedge Perennial grass  
Carex nebrascensis Nebraska sedge Perennial grass 2
Carex nervina Sierra nerved sedge Perennial grass  
Carex ovalis Egg sedge Perennial grass 1
Carex pachystachya Thick headed sedge Perennial grass 2
Carex pellita Woolly sedge Perennial grass 7
Carex petasata Liddon's sedge Perennial grass  
Carex phaeocephala Mountain hare sedge Perennial grass  
Carex praegracilis Field sedge Perennial grass 28
Carex preslii Presl's sedge Perennial grass 1
Carex pyrenaica Pyrenean sedge Perennial grass  
Carex pyrenaica ssp. pyrenaica Pyrenean sedge Perennial grass  
Carex raynoldsii Raynold's sedge Perennial grass  
Carex rossii Ross' sedge Perennial grass 1
Carex scabriuscula Siskiyou sedge Perennial grass (rhizomatous)  
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 sheldonii Sheldon's sedge Perennial grass (rhizomatous)  
Carex simulata Short beaked sedge Perennial grass 2
Carex specifica Narrow fruit sedge Perennial grass  
Carex straminiformis Straw like sedge Perennial grass  
Carex subfusca Brown sedge Perennial grass 7
Carex utriculata Beaked sedge Perennial grass 1
Carex vallicola Valley sedge Perennial grass  
Carex vernacula Native sedge Perennial grass  
Carex vesicaria Blister sedge Perennial grass 3
Carex vesicaria var. major Western blister sedge Perennial grass 2
Carex vesicaria var. vesicaria Inflated sedge Perennial grass 2
Carex whitneyi Whitney's sedge Perennial grass  
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. disticha Forked wavy leaf paintbrush Perennial herb  
Castilleja applegatei ssp. pallida Brewer's indian paintbrush Perennial herb  
Castilleja applegatei ssp. pinetorum Pine wavy leaf paintbrush Perennial herb  
Castilleja arachnoidea Cobwebby paintbrush Perennial herb  
Castilleja chromosa Desert paintbrush Perennial herb 3
Castilleja gleasonii Mt. gleason indian paintbrush Perennial herb (hemiparasitic)  
Castilleja hispida ssp. brevilobata Short lobed indian paintbrush Perennial herb (hemiparasitic)  
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja lanata ssp. hololeuca White felted indian paintbrush Perennial herb (hemiparasitic)  
Castilleja lemmonii Lemmon's paintbrush Perennial herb  
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 pilosa Pilose paintbrush Perennial herb  
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  
Caulanthus major var. nevadensis Sierra nevada 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
Chaetadelpha wheeleri Wheeler's chaetadelpha Perennial herb  
Chamaesaracha nana Dwarf chamaesaracha 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
Chimaphila menziesii Little prince's pine Perennial herb  
Chimaphila umbellata Blake's prince's pine Perennial herb  
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 var. maculata Spotted water hemlock Perennial herb  
Cinna latifolia Drooping wood reed Perennial grass  
Circaea alpina Small enchanter's nightshade Perennial herb  
Circaea alpina ssp. pacifica Pacific enchanter's nightshade Perennial herb  
Cirsium andersonii Anderson's thistle Perennial herb  
Cirsium canovirens Gray green thistle Perennial herb  
Cirsium congdonii Congdon's thistle Perennial herb  
Cirsium cymosum Peregrine thistle Perennial herb  
Cirsium cymosum var. cymosum Peregrine thistle Perennial herb  
Cirsium douglasii Swamp thistle Perennial herb 1
Cirsium douglasii var. breweri Brewer's swamp thistle Perennial herb  
Cirsium inamoenum Greene's thistle Perennial herb  
Cirsium loncholepis La graciosa thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 10
Cirsium occidentale var. californicum California thistle Perennial herb  
Cirsium occidentale var. candidissimum Snowy thistle Perennial herb  
Cirsium occidentale var. coulteri Coulter's thistle Perennial herb  
Cirsium scariosum Elk thistle Perennial herb  
Cirsium scariosum var. americanum Dinnerplate thistle Perennial herb  
Cirsium subniveum Jackson hole thistle Perennial herb  
Claytonia lanceolata Western spring beauty Perennial herb  
Claytonia umbellata Great basin claytonia Perennial herb  
Clematis ligusticifolia var. brevifolia Western white clematis Perennial herb, Vine 32
Clematis ligusticifolia var. californica California clematis Perennial herb, Vine 32
Clematis ligusticifolia var. ligusticifolia Western white clematis Perennial herb, Vine 32
Comandra umbellata Bastard toadflax Perennial herb (parasitic)  
Comandra umbellata ssp. californica Bastard toad flax Perennial herb (parasitic)  
Comarum palustre Marsh cinquefoil Perennial herb 5
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza striata Striped coral root Perennial herb  
Corallorhiza striata var. striata Hooded coralroot Perennial herb  
Corallorhiza striata var. vreelandii Striped coral root Perennial herb  
Coreopsis maritima Sea dahlia Perennial herb 6
Corydalis caseana Sierra fumewort Perennial herb 1
Corydalis caseana ssp. caseana Sierra corydalis Perennial herb  
Crepis acuminata Tall hawksbeard Perennial herb  
Crepis bakeri Baker's hawksbeard Perennial herb  
Crepis bakeri ssp. cusickii Cusick's hawksbeard Perennial herb  
Crepis intermedia Intermediate hawksbeard Perennial herb  
Crepis modocensis Modoc hawksbeard Perennial herb  
Crepis modocensis ssp. modocensis Modoc hawksbeard Perennial herb  
Crepis modocensis ssp. subacaulis Modoc hawksbeard Perennial herb  
Crepis monticola Mountain hawk's beard Perennial herb  
Crepis occidentalis Western hawk's beard Perennial herb  
Crepis occidentalis ssp. conjuncta Largeflower hawksbeard Perennial herb  
Crepis occidentalis ssp. costata Largeflower hawksbeard Perennial herb  
Crepis occidentalis ssp. occidentalis Largeflower hawksbeard Perennial herb  
Crepis occidentalis ssp. pumila Largeflower hawksbeard Perennial herb  
Crepis pleurocarpa Naked stemmed hawksbeard Perennial herb  
Crepis runcinata Meadow hawksbeard Perennial herb  
Cressa truxillensis Alkali weed Perennial herb 3
Cryptantha flavoculata Rough seed cryptantha Perennial herb  
Cryptantha humilis Low oreocarya Perennial herb  
Cryptantha nubigena Sierra cryptantha Perennial herb  
Cryptantha schoolcraftii Schoolcraft's cryptantha Perennial herb  
Cryptantha sobolifera Sierra perennial cryptantha Perennial herb  
Cusickiella douglasii Alkali draba Perennial herb  
Cycladenia humilis Cycladenia Perennial herb 1
Cycladenia humilis var. humilis Cycladenia Perennial herb  
Cylindropuntia Xmunzii Munz's cholla Perennial herb (stem succulent) 2
Cymopterus terebinthinus Turpentine cymopterus Perennial herb  
Cymopterus terebinthinus var. californicus Turpentine cymopterus Perennial herb  
Cynanchum utahense Vine milkweed Perennial herb  
Cynoglossum occidentale Hound's tongue Perennial herb  
Cypripedium californicum California lady's slipper Perennial herb (rhizomatous)  
Dalea ornata Ornate dalea Perennial herb  
Damasonium californicum California damsonium Perennial herb (aquatic)  
Danthonia californica California oatgrass Perennial grass 20
Danthonia californica var. americana American oatgrass Perennial grass 20
Danthonia californica var. californica California oatgrass Perennial grass 20
Danthonia unispicata One spiked oatgrass Perennial grass  
Dasyochloa pulchella Low woollygrass Perennial grass  
Delphinium andersonii Anderson larkspur Perennial herb 4
Delphinium depauperatum Few flowered larkspur Perennial herb  
Delphinium glaucum Sierra larkspur Perennial herb 3
Delphinium gypsophilum ssp. gypsophilum Gypsum loving larkspur Perennial herb  
Delphinium inflexum Hybrid parry's larkspur Perennial herb 6
Delphinium nudicaule Canyon larkspur Perennial herb 3
Delphinium nuttallianum Nuttall's larkspur Perennial herb 2
Delphinium stachydeum Spiked larkspur Perennial herb  
Delphinium variegatum f. superbum Royal larkspur Perennial herb  
Deschampsia atropurpurea Mountain hair grass Perennial grass 1
Deschampsia cespitosa Tufted hair grass Perennial grass 49
Deschampsia cespitosa ssp. cespitosa Tufted hairgrass Perennial grass 24
Deschampsia elongata Hairgrass Perennial grass 16
Descurainia californica Sierra 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 ochroleuca Yellow bleeding heart Perennial herb  
Dicentra uniflora Steers head Perennial herb  
Dichanthelium lanuginosum var. thermale Geysers dichanthelium Perennial grass  
Dichelostemma multiflorum Many flowered brodiaea Perennial herb 6
Dieteria canescens Hoary aster Perennial herb 1
Dieteria canescens var. canescens Hoary aster Perennial herb  
Dieteria canescens var. shastensis Shasta aster Perennial herb  
Disporum hookeri Fairy bells Perennial herb 10
Disporum smithii Fairy lantern Perennial herb 5
Distichlis spicata Salt grass Perennial grass 25
Ditaxis californica California ditaxis Perennial herb  
Ditaxis clariana Glandular ditaxis Perennial herb  
Dodecatheon alpinum Alpine shooting star Perennial herb 1
Dodecatheon clevelandii Padre's shooting star Perennial herb 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 10
Dodecatheon jeffreyi Jeffrey's shooting star Perennial herb 3
Dodecatheon pulchellum Dark throated shooting star Perennial herb 6
Dodecatheon redolens Scented shooting star Perennial herb  
Dodecatheon subalpinum Sierra shooting star Perennial herb  
Draba breweri var. breweri Cushion draba Perennial herb  
Draba breweri var. cana Hoary draba Perennial herb  
Draba corrugata var. corrugata Southern california draba Perennial herb  
Draba corrugata var. saxosa Southern california rock draba Perennial herb  
Draba lemmonii var. lemmonii Lemmon's draba Perennial herb  
Draba lonchocarpa var. lonchocarpa Spear fruited draba Perennial herb  
Draba oligosperma var. oligosperma Few seeded draba Perennial herb  
Draba oligosperma var. subsessilis Alpine few seeded draba Perennial herb  
Draba paysonii var. treleasei Trelease's draba Perennial herb  
Drosera anglica Long leaved sundew Perennial herb (carnivorous)  
Drosera rotundifolia Round leaved sundew Perennial herb 1
Drymocallis glandulosa Sticky cinquefoil Perennial herb 12
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis lactea Perennial herb 1
Drymocallis lactea var. austiniae Austin's woodbeauty Perennial herb  
Drymocallis lactea var. lactea Sierran woodbeauty Perennial herb  
Dudleya abramsii ssp. parva Conejo dudleya Perennial herb  
Dudleya attenuata ssp. orcuttii Orcutt's dudleya Perennial herb 2
Dudleya blochmaniae ssp. brevifolia Short leaved dudleya Perennial herb  
Dudleya calcicola Limestone dudleya Perennial herb  
Dudleya cymosa ssp. costafolia Pierpoint springs dudleya Perennial herb  
Dudleya hassei Hasse's dudleya Perennial herb 8
Dudleya pulverulenta ssp. arizonica Arizona chalk dudleya Perennial herb 1
Dudleya pulverulenta ssp. pulverulenta California chalk lettuce Perennial herb 15
Dudleya setchellii Santa clara valley dudleya Perennial herb 2
Dugaldia hoopesii Hoope's sneezeweed Perennial herb 6
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 bella Beautiful spikerush Perennial grass  
Eleocharis bolanderi Bolander's spikerush Perennial grass  
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 suksdorfiana Suksdorf's spikerush Perennial grass  
Elodea canadensis Common water weed Perennial herb  
Elodea nuttallii Western waterweed Perennial herb  
Elymus Xhansenii Perennial grass  
Elymus Xsaundersii Perennial grass  
Elymus cinereus Great basin wild rye Perennial grass 8
Elymus condensatus Giant wild rye Perennial grass 31
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. californicus Squirrel tail grass Perennial grass  
Elymus elymoides var. elymoides Squirrel tail grass Perennial grass  
Elymus glaucus Blue wildrye Perennial grass 33
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 multisetus Big squirreltail grass Perennial grass 13
Elymus salina Salina pass wild rye Perennial grass  
Elymus smithii Western wheat grass Perennial grass 4
Elymus spicatus Blue bunch wheat grass Perennial grass 7
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 30
Elytrigia juncea Russian wheatgrass Perennial grass  
Epilobium angustifolium ssp. angustifolium Fireweed Perennial herb 1
Epilobium angustifolium ssp. circumvagum Fireweed Perennial herb 1
Epilobium canum California fuchsia Perennial herb 31
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. fastigiatum Smooth willowherb Perennial herb  
Epilobium glaberrimum ssp. glaberrimum Smooth willowherb Perennial herb  
Epilobium halleanum Hairy willowherb Perennial herb  
Epilobium hallianum Hall's willowherb Perennial herb  
Epilobium hornemannii Hornemann's willowherb Perennial herb  
Epilobium hornemannii ssp. hornemannii Hornemann's willow herb Perennial herb  
Epilobium latifolium River beauty Perennial herb 3
Epilobium oregonense Slimstem willowweed Perennial herb  
Epilobium palustre Marsh willow herb Perennial herb  
Epipactis gigantea Stream orchid Perennial herb 15
Eremogone aculeata Prickly sandwort Perennial herb  
Eremogone congesta Capitate sandwort Perennial herb 1
Eremogone congesta var. charlestonensis Charleston sandwort Perennial herb  
Eremogone congesta var. congesta Capitate sandwort Perennial herb  
Eremogone congesta var. crassula Rough sandwort Perennial herb  
Eremogone congesta var. simulans Capitate sandwort Perennial herb  
Eremogone congesta var. subcongesta Capitate sandwort Perennial herb  
Eremogone congesta var. suffrutescens Suffrutescent sandwort Perennial herb  
Eremogone ferrisiae Perennial herb  
Eremogone kingii King's sandwort Perennial herb 1
Eremogone kingii var. glabrescens King's smooth sandwort Perennial herb  
Erigeron acris Bitter fleabane Perennial herb  
Erigeron angustatus Narrow leaved daisy Perennial herb  
Erigeron aphanactis Rayless shaggy fleabane Perennial herb  
Erigeron aphanactis var. aphanactis Rayless shaggy fleabane Perennial herb  
Erigeron aphanactis var. congestus Clustered fleabane Perennial herb  
Erigeron austiniae Rebecca austin's fleabane Perennial herb  
Erigeron barbellulatus Shining daisy Perennial herb  
Erigeron bloomeri Scabland fleabane Perennial herb  
Erigeron bloomeri var. bloomeri Scabland fleabane Perennial herb  
Erigeron breweri Brewer's fleabane Perennial herb  
Erigeron breweri var. klamathensis Klamath fleabane Perennial herb  
Erigeron cervinus Siskiyou daisy Perennial herb (rhizomatous)  
Erigeron chrysopsidis Dwarf yellow fleabane Perennial herb 1
Erigeron chrysopsidis var. austiniae Rebecca austin's fleabane Perennial herb  
Erigeron compactus var. compactus Cushion daisy Perennial herb  
Erigeron coulteri Coulter's daisy Perennial herb  
Erigeron decumbens var. robustior Robust daisy Perennial herb  
Erigeron disparipilus White cushion fleabane Perennial herb  
Erigeron eatonii Eaton's daisy Perennial herb  
Erigeron eatonii var. nevadincola Nevada daisy Perennial herb  
Erigeron eatonii var. plantagineus Eaton's daisy Perennial herb  
Erigeron eatonii var. sonnei Sonne's daisy Perennial herb  
Erigeron elegantulus Volcanic daisy Perennial herb  
Erigeron filifolius Threadleaf fleabane Perennial herb  
Erigeron filifolius var. filifolius Thread leaved fleabane Perennial herb  
Erigeron glacialis Wandering fleabane Perennial herb 3
Erigeron glacialis var. glacialis Wandering fleabane Perennial herb  
Erigeron inornatus Rayless fleabane Perennial herb  
Erigeron inornatus var. calidipetris Hot rock daisy Perennial herb  
Erigeron inornatus var. inornatus Fleabane Perennial herb  
Erigeron lassenianus Mt. lassen fleabane Perennial herb  
Erigeron lassenianus var. lassenianus Mt. lassen daisy Perennial herb  
Erigeron linearis Narrow leaved fleabane Perennial herb 3
Erigeron lobatus Lobed fleabane Perennial herb 3
Erigeron lonchophyllus Shortray fleabane Perennial herb  
Erigeron nevadincola Nevada daisy Perennial herb  
Erigeron nivalis Northern daisy Perennial herb  
Erigeron peregrinus Wandering fleabane Perennial herb 3
Erigeron peregrinus var. callianthemus Wandering fleabane Perennial herb  
Erigeron peregrinus var. hirsutus Wandering fleabane Perennial herb  
Erigeron petrophilus Cliff fleabane Perennial herb  
Erigeron petrophilus var. sierrensis Northern sierra daisy Perennial herb (rhizomatous)  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Erigeron pumilus Shaggy fleabane Perennial herb  
Erigeron pumilus ssp. intermedius Shaggy fleabane Perennial herb  
Erigeron pumilus var. gracilior Shaggy fleabane Perennial herb  
Erigeron pumilus var. intermedius Shaggy fleabane Perennial herb  
Eriodictyon lobbii Matted yerba santa Perennial herb 1
Eriogonum beatleyae Beatley's buckwheat Perennial herb  
Eriogonum caespitosum Clumping buckwheat Perennial herb 3
Eriogonum crosbyae Crosby's buckwheat Perennial herb  
Eriogonum douglasii Douglas' buckwheat Perennial herb 1
Eriogonum douglasii var. douglasii Douglas' buckwheat Perennial herb  
Eriogonum douglasii var. meridionale Douglas' buckwheat Perennial herb 1
Eriogonum elatum Tall buckwheat Perennial herb  
Eriogonum elatum var. elatum Tall buckwheat Perennial herb  
Eriogonum elatum var. villosum Long hairy tall buckwheat Perennial herb  
Eriogonum ericifolium var. thornei Thorne's buckwheat Perennial herb  
Eriogonum gracilipes White mountains buckwheat Perennial herb 1
Eriogonum heracleoides Parsnipflower buckwheat Perennial herb 4
Eriogonum heracleoides var. heracleoides Parsnip flowered buckwheat Perennial herb 1
Eriogonum inflatum var. deflatum Deflated desert trumpet Perennial herb  
Eriogonum inflatum var. inflatum Desert trumpet Perennial herb  
Eriogonum lobbii Lobb's buckwheat Perennial herb  
Eriogonum lobbii var. lobbii Lobb's buckwheat Perennial herb  
Eriogonum oblongifolium Coast buckwheat Perennial herb 22
Eriogonum ochrocephalum White woolly buckwheat Perennial herb  
Eriogonum ochrocephalum var. alexanderae Alexander's buckwheat Perennial herb  
Eriogonum ochrocephalum var. ochrocephalum White woolly buckwheat Perennial herb  
Eriogonum ovalifolium Oval leaved eriogonum Perennial herb 3
Eriogonum ovalifolium var. depressum Cushion buckwheat Perennial herb 1
Eriogonum ovalifolium var. nivale Cushion buckwheat Perennial herb 1
Eriogonum ovalifolium var. ovalifolium Cushion buckwheat Perennial herb  
Eriogonum ovalifolium var. purpureum Purple cushion buckwheat Perennial herb  
Eriogonum panamintense var. mensicola Panamint mountain buckwheat Perennial herb, Shrub  
Eriogonum panamintense var. panamintense Panamint mountain buckwheat Perennial herb, Shrub  
Eriogonum prociduum Prostrate buckwheat Perennial herb  
Eriogonum prociduum var. prociduum Prostrate buckwheat Perennial herb  
Eriogonum sphaerocephalum Round headed buckwheat Perennial herb  
Eriogonum sphaerocephalum var. halimioides Round headed buckwheat Perennial herb  
Eriogonum sphaerocephalum var. sphaerocephalum Round headed buckwheat Perennial herb  
Eriogonum strictum Blue mountain buckwheat Perennial herb 1
Eriogonum strictum var. anserinum Blue mountain buckwheat Perennial herb  
Eriogonum strictum var. proliferum Blue mountain buckwheat Perennial herb 1
Eriogonum umbellatum Sulphur buckwheat Perennial herb 25
Eriogonum umbellatum var. covillei Coville's sulphur buckwheat Perennial herb  
Eriogonum umbellatum var. modocense Sulphur flower buckwheat Perennial herb 1
Eriogonum umbellatum var. nevadense Sierra sulfur flower Perennial herb 1
Eriogonum umbellatum var. polyanthum Many flowered sulfur flower Perennial herb 5
Eriogonum ursinum Bear buckwheat Perennial herb 4
Eriogonum ursinum var. ursinum Bear buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 5
Eriogonum wrightii var. subscaposum Wright's buckwheat Perennial herb, Shrub 2
Erioneuron pulchellum Fluff grass Perennial grass  
Eriophorum criniger Cotton grass Perennial grass  
Eriophorum crinigerum Fringed cottongrass Perennial grass  
Eriophorum gracile Slender cotton grass Perennial grass  
Eriophyllum lanatum Wooly sunflower Perennial herb 26
Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. croceum Sierra woolly sunflower Perennial herb  
Eriophyllum lanatum var. grandiflorum Large flowered woolly sunflower Perennial herb 1
Eriophyllum lanatum var. integrifolium Oregon sunshine Perennial herb  
Eryngium alismifolium Coyote thistle Perennial herb  
Eryngium articulatum Coyote thistle Perennial herb 1
Eryngium mathiasiae Mathias' button celery Perennial herb  
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 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 4
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  
Erysimum menziesii ssp. yadonii Yadon's wallflower Perennial herb  
Erysimum perenne Sanddune wallflower Perennial herb  
Erythranthe inodora Musk monkeyflower Perennial herb 1
Erythranthe lewisii Lewis' monkey flower Perennial herb 11
Erythranthe linearifolia Primrose monkeyflower Perennial herb 2
Erythranthe primuloides Primrose monkeyflower Perennial herb  
Erythronium grandiflorum var. pallidum California glacier lily Perennial herb (bulb)  
Erythronium multiscapoideum Sierra fawn lily Perennial herb (bulb) 4
Eschscholzia californica ssp. californica California poppy Perennial herb 3
Eschscholzia procera Kernville poppy Perennial herb 3
Eucephalus breweri Brewer's aster Perennial herb  
Euphorbia incisa Mojave spurge Perennial herb  
Euphorbia palmeri Woodland spurge Perennial herb  
Eurybia integrifolia Thickstem aster Perennial herb  
Eurybia radulina Roughleaf aster Perennial herb 2
Euthamia occidentalis Western goldenrod Perennial herb 15
Fagonia longipes Long leaf fagonia Perennial herb  
Festuca brachyphylla ssp. coloradensis Colorado fescue Perennial grass  
Festuca californica California fescue Perennial grass 48
Festuca californica ssp. californica Perennial grass 6
Festuca californica ssp. hitchcockiana Perennial grass  
Festuca californica ssp. parishii Perennial grass  
Festuca californica var. parishii California fescue Perennial grass  
Festuca idahoensis Blue fescue Perennial grass 52
Festuca occidentalis Western fescue Perennial grass 8
Festuca roemeri var. klamathensis Idaho fescue Perennial grass 48
Festuca roemeri var. roemeri Perennial grass 48
Festuca rubra Red fescue Perennial grass 39
Festuca saximontana var. purpusiana Rocky mountain fescue Perennial grass 1
Festuca viridula Mountain bunch fescue Perennial grass  
Fragaria chiloensis ssp. lucida Beach strawberry Perennial herb 37
Fragaria crinita Beach strawberry Perennial herb 33
Fragaria vesca Wild strawberry Perennial herb 43
Fragaria vesca ssp. bracteata Woodland strawberry Perennial herb 33
Fragaria virginiana Mountain strawberry Perennial herb 11
Frasera albicaulis Whitestem frasera Perennial herb  
Frasera albicaulis var. modocensis Modoc frasera Perennial herb  
Frasera albicaulis var. nitida Whitestem frasera Perennial herb  
Frasera speciosa Monument plant Perennial herb  
Fritillaria affinis Checker lily Perennial herb (bulb) 7
Fritillaria affinis var. affinis Checker lily Perennial herb (bulb) 4
Fritillaria affinis var. tristulis Coast checker lily Perennial herb (bulb) 4
Fritillaria atropurpurea Spotted mountain bells Perennial herb 2
Fritillaria pudica Yellow fritillary Perennial herb 4
Fritillaria recurva Scarlet fritillary Perennial herb 1
Galium ambiguum var. ambiguum Yolla bolly bedstraw Perennial herb  
Galium ambiguum var. siskiyouense Siskiyou bedstraw Perennial herb  
Galium bolanderi Bolander's bedstraw Perennial herb  
Galium boreale Northern bedstraw Perennial herb  
Galium boreale ssp. septentrionale Northern bedstraw Perennial herb  
Galium mexicanum Mexican bedstraw Perennial herb  
Galium mexicanum ssp. asperulum Mexican bedstraw Perennial herb  
Galium mexicanum var. asperulum Mexican bedstraw Perennial herb  
Galium multiflorum Many flowered bedstraw Perennial herb  
Galium trifidum Three petaled bedstraw Perennial herb  
Galium trifidum ssp. columbianum Threepetal bedstraw Perennial herb  
Galium trifidum ssp. subbiflorum 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 32
Gentiana calycosa Rainier pleated gentian Perennial herb  
Gentiana newberryi Alpine gentian Perennial herb 2
Gentiana newberryi var. newberryi Alpine gentian Perennial herb  
Gentiana newberryi var. tiogana Sierra alpine gentian Perennial herb  
Geranium californicum California geranium Perennial herb  
Geranium concinnum California mountain geranium Perennial herb  
Geranium oreganum Oregon geranium Perennial herb 2
Geranium richardsonii Richardson's geranium Perennial herb  
Geranium viscosissimum Sticky geranium Perennial herb 2
Geum aleppicum Aleppo avens Perennial herb  
Geum macrophyllum Large leaved avens Perennial herb 8
Geum macrophyllum var. perincisum Largeleaf avens Perennial herb  
Geum triflorum Old man's beard Perennial herb 7
Geum triflorum var. ciliatum Prairie-smoke Perennial herb 1
Gilia ripleyi Ripley's gilia Perennial herb  
Glaux maritima Sea milk wort Perennial herb  
Glyceria borealis Northern mannagrass Perennial grass 1
Glyceria davyi Davy mannagrass Perennial grass  
Glyceria elata Tall mannagrass Perennial grass 8
Glyceria occidentalis Waxy mannagrass Perennial grass (aquatic) 2
Glyceria striata Fowl mannagrass Perennial grass 8
Gnaphalium canescens Everlasting cudweed Perennial herb 4
Gnaphalium canescens ssp. beneolens Cudweed Perennial herb 1
Gnaphalium canescens ssp. canescens Everlasting cudweed Perennial herb 1
Gnaphalium canescens ssp. microcephalum White everlasting Perennial herb 1
Gnaphalium canescens ssp. thermale Small headed cudweed Perennial herb  
Gnaphalium leucocephalum White headed cudweed Perennial herb  
Grindelia camporum var. bracteosa Bract gumweed Perennial herb 13
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 13
Grindelia hirsutula var. hallii San diego gumplant Perennial herb  
Grindelia hirsutula var. hirsutula Hairy gumweed Perennial herb 12
Grindelia nana Idaho gumweed Perennial herb  
Grindelia nana var. nana Idaho gumweed Perennial herb  
Hackelia amethystina Amethyst stickseed Perennial herb  
Hackelia californica California stickseed Perennial herb  
Hackelia cusickii Cusick stickweed Perennial herb  
Hackelia floribunda Many flowered stickseed Perennial herb  
Hackelia micrantha Jessica's stickseed Perennial herb  
Hackelia mundula Pink stickseed Perennial herb  
Hackelia velutina Velvety stickseed Perennial herb  
Halimolobos virgata Virgate halimolobos Perennial herb  
Hastingsia alba White hastingsia Perennial herb 2
Hazardia whitneyi Whitney's bristleweed Perennial herb  
Hazardia whitneyi var. whitneyi Whitney's goldenbush 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
Helianthella californica California helianthella Perennial herb 4
Helianthella californica var. nevadensis California helianthella Perennial herb  
Helianthus cusickii Cusick's sunflower Perennial herb  
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 20
Heracleum maximum Common cowparsnip Perennial herb 20
Hesperochiron californicus California hesperochiron Perennial herb  
Hesperochiron pumilus Dwarf hesperochiron Perennial herb  
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 var. bolanderoides False bolander's goldenaster Perennial herb  
Heterotheca villosa Hairy goldenaster Perennial herb 10
Heterotheca villosa var. hispida Hairy goldenaster Perennial herb  
Heterotheca villosa var. minor Hairy false goldenaster Perennial herb  
Heterotheca villosa var. scabra Rough hairy goldenaster Perennial herb  
Heterotheca villosa var. shevockii Shevock's hairy golden aster Perennial herb  
Heterotheca villosa var. villosa Hairy goldenaster Perennial herb  
Heuchera alpestris Parish's alumroot Perennial herb 2
Heuchera cespitosa Tufted alumroot Perennial herb 2
Heuchera cylindrica var. alpina Alpine alumroot Perennial herb 8
Heuchera duranii Duran's alumroot Perennial herb (rhizomatous)  
Heuchera elegans Urn flowered alumroot Perennial herb (rhizomatous) 4
Heuchera micrantha 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 9
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 greenei Greene's hawkweed Perennial herb  
Hieracium horridum Shaggy hawkweed Perennial herb  
Hieracium nudicaule Naked stemmed scouler's hawkweed Perennial herb  
Hieracium scouleri Hounds tongue hawkweed Perennial herb  
Hieracium scouleri var. nudicaule Naked stemmed scouler's hawkweed Perennial herb  
Hierochloe occidentalis Western sweetgrass Perennial grass 5
Hierochloe odorata Vanilla grass Perennial grass (rhizomatous) 9
Hippuris vulgaris Mare's tail Perennial herb (aquatic) 1
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
Hordeum jubatum ssp. jubatum Foxtail barley, squirreltail barley Perennial grass  
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 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 fusca Tawny horkelia Perennial herb  
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 fusca var. brownii Tawny horkelia Perennial herb  
Horkelia fusca var. parviflora Tawny horkelia Perennial herb  
Horkelia fusca var. pseudocapitata Tawny horkelia Perennial herb  
Horkelia fusca var. tenella Tawny horkelia Perennial herb  
Horkelia tridentata Three toothed horkelia Perennial herb  
Horkelia tridentata ssp. flavescens Three toothed horkelia Perennial herb  
Horkelia tridentata ssp. tridentata Three toothed horkelia Perennial herb  
Horkelia tridentata var. flavescens Three toothed horkelia Perennial herb  
Horkelia tridentata var. tridentata Three toothed horkelia Perennial herb  
Hosackia crassifolia Broad leaved lotus Perennial herb 5
Hosackia crassifolia var. crassifolia Broad leaved lotus Perennial herb 2
Hosackia crassifolius Lotus Perennial herb 1
Hosackia crassifolius var. otayensis Otay mountain lotus Perennial herb 1
Hosackia oblongifolia Narrow leaved lotus Perennial herb 2
Hosackia oblongifolia var. oblongifolia Narrow leaved lotus Perennial herb 1
Hosackia pinnata Pinnate lotus Perennial herb  
Hydrophyllum alpestre Alpine breeches Perennial herb  
Hydrophyllum capitatum Ballhead waterleaf Perennial herb  
Hydrophyllum capitatum var. alpinum Woolen breeches Perennial herb  
Hydrophyllum occidentale Western waterleaf Perennial herb 1
Hymenoxys acaulis var. arizonica Arizona hymenoxys Perennial herb 1
Hymenoxys cooperi Cooper's goldflower Perennial herb  
Hymenoxys cooperi var. canescens Gray cooper's goldflower Perennial herb  
Hymenoxys cooperi var. cooperi Cooper's rubberweed Perennial herb  
Hymenoxys lemmonii Lemmon's goldflower Perennial herb  
Hypericum formosum St john's wort Perennial herb  
Hypericum formosum var. scouleri Scouler's st. john's wort Perennial herb 2
Hypericum scouleri Scouler's st john's wort Perennial herb 2
Iliamna bakeri Baker's globe mallow Perennial herb 1
Ipomopsis aggregata Scarlet gilia Perennial herb 7
Ipomopsis aggregata ssp. aggregata Scarlet gilia Perennial herb 2
Ipomopsis aggregata ssp. bridgesii Bridge's gilia Perennial herb  
Ipomopsis aggregata ssp. formosissima Western scarlet gilia Perennial herb  
Ipomopsis congesta Ball headed gilia Perennial herb  
Ipomopsis congesta ssp. congesta Ball headed gilia Perennial herb  
Ipomopsis congesta ssp. montana Mountain ball headed gilia Perennial herb  
Ipomopsis congesta ssp. palmifrons Ball headed gilia Perennial herb  
Iris hartwegii Hartweg's iris Perennial herb 4
Iris hartwegii ssp. hartwegii Hartweg's iris Perennial herb 1
Iris missouriensis Western blue flag Perennial herb 24
Iris purdyi Purdy's iris Perennial herb 2
Isopyrum occidentale Western false rue anemone Perennial herb  
Isopyrum stipitatum Siskiyou rue anemone Perennial herb  
Iva axillaris Povertyweed Perennial herb  
Iva axillaris ssp. robustior Poverty weed Perennial herb  
Ivesia aperta Sierra valley mousetail Perennial herb  
Ivesia aperta var. aperta Sierra valley ivesia Perennial herb  
Ivesia baileyi Bailey's ivesia Perennial herb  
Ivesia baileyi var. baileyi Bailey's 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 paniculata Ash creek ivesia Perennial herb  
Ivesia sericoleuca Plumas ivesia Perennial herb  
Ivesia webberi Webber's ivesia Perennial herb  
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 1
Juncus brachyphyllus Short leaved rush Perennial grass  
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus confusus Colorado 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 dudleyi Dudley's rush Perennial grass 1
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 hesperius Coast or bog rush Perennial grass 3
Juncus howellii Howell's rush Perennial grass  
Juncus lesueurii Dune rush Perennial grass 2
Juncus macrandrus Long anthered rush Perennial grass  
Juncus marginatus var. marginatus Red anthered rush Perennial grass (rhizomatous)  
Juncus mertensianus Merten's rush Perennial grass 1
Juncus mexicanus Mexican rush Perennial grass 12
Juncus nevadensis Sierra rush Perennial grass 1
Juncus nevadensis var. nevadensis Nevada or sierran rush Perennial grass  
Juncus nodosus Knotted rush Perennial grass (rhizomatous) 1
Juncus occidentalis Slender juncus Perennial grass 4
Juncus orthophyllus Straight leaved rush Perennial grass 1
Juncus parryi Parry's rush Perennial grass  
Juncus tenuis Slender rush Perennial grass 9
Juncus torreyi Torrey's rush Perennial grass 5
Juncus trilocularis Perennial grass  
Juncus xiphioides Iris leaved rush Perennial grass 15
Kelloggia galioides Kelloggia Perennial herb  
Kobresia bellardii Seep kobresia Perennial grass (rhizomatous)  
Kochia americana Red sage Perennial herb  
Koeleria macrantha June grass Perennial grass 29
Kumlienia hystricula Waterfall false buttercup Perennial herb  
Kyhosia bolanderi Bolander's madia Perennial herb  
Lactuca tatarica Blue lettuce Perennial herb  
Lactuca tatarica ssp. pulchella Blue lettuce Perennial herb  
Lactuca tatarica var. pulchella Blue lettuce Perennial herb  
Ladeania lanceolata Lance-leaved scurf-pea Perennial herb  
Lathyrus brownii Brown's brush pea Perennial herb  
Lathyrus lanszwertii Nevada pea Perennial herb  
Lathyrus lanszwertii var. aridus Dryland nevada pea Perennial herb  
Lathyrus lanszwertii var. lanszwertii Nevada pea Perennial herb  
Lathyrus nevadensis Sierra pea Perennial herb  
Lathyrus nevadensis ssp. lanceolatus Sierra pea Perennial herb  
Lathyrus nevadensis ssp. nevadensis Sierra pea Perennial herb  
Lathyrus nevadensis var. nevadensis Sierra nevada pea Perennial herb  
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna trisulca Star duckweed Perennial herb  
Lemna turionifera Turion duckweed Perennial herb  
Lemna valdiviana Duckweed Perennial herb  
Lepidium fremontii var. fremontii Desert pepper grass Perennial herb 4
Lepidium fremontii var. stipitatum Desert pepper grass Perennial herb 4
Lepidium montanum var. canescens Mountain pepper grass Perennial herb 1
Lepidium montanum var. cinereum Mountain pepper grass Perennial herb 1
Lepidium montanum var. montanum Mountain pepper grass Perennial herb 1
Lepidium ramosissimum var. bourgeauanum Branched pepper grass Perennial herb  
Leptodactylon jaegeri Jaeger's prickly phlox Perennial herb  
Lesquerella kingii King's bladderpod Perennial herb  
Lesquerella kingii ssp. bernardina San bernardino mtns. bladderpod Perennial herb  
Lesquerella kingii ssp. kingii King's bladderpod Perennial herb  
Lesquerella kingii ssp. latifolia Limestone bladderpod Perennial herb  
Lesquerella occidentalis ssp. occidentalis Western bladder pod Perennial herb  
Lessingia filaginifolia Common california aster Perennial herb 23
Lessingia filaginifolia var. californica Beach aster Perennial herb 9
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 8
Leucocrinum montanum Sand lily Perennial herb  
Lewisia kelloggii Kellogg's lewisia Perennial herb  
Lewisia kelloggii ssp. hutchisonii Sierra valley lewisia Perennial herb  
Lewisia leana Quill leaved lewisia Perennial herb 2
Lewisia nevadensis Sierra lewisia Perennial herb 2
Lewisia pygmaea Pigmy bitter root Perennial herb 3
Lewisia rediviva Bitter root Perennial herb 4
Lewisia triphylla Three leaved lewisia 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 34
Leymus mollis American dunegrass Perennial grass 9
Leymus mollis ssp. mollis American dune grass Perennial grass  
Leymus pacificus Gould's rye grass Perennial grass  
Leymus salinus ssp. mojavensis Mojave wild rye Perennial grass  
Leymus triticoides Alkali rye Perennial grass 31
Ligusticum grayi Gray's lovage Perennial herb  
Lilium pardalinum California tiger lily Perennial herb 22
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 2
Lilium pardalinum ssp. shastense Shasta lily Perennial herb 1
Lilium washingtonianum Washington lily Perennial herb 6
Lilium washingtonianum ssp. washingtonianum Typical washington lily Perennial herb 1
Limosella subulata Delta mudwort Perennial herb  
Linanthus floribundus Many flowered linanthus Perennial herb  
Linanthus floribundus ssp. floribundus Many flowered linanthus Perennial herb  
Linanthus floribundus ssp. glaber Smooth many flowered linanthus Perennial herb  
Linanthus floribundus ssp. hallii Santa rosa mtns. linanthus Perennial herb  
Linanthus nuttallii Nuttall's linanthus Perennial herb 2
Linanthus nuttallii ssp. howellii Mt. tedoc linanthus Perennial herb  
Linanthus nuttallii ssp. nuttallii Nuttall's linanthus Perennial herb  
Linanthus nuttallii ssp. pubescens Nuttall's hairy linanthus Perennial herb  
Linanthus pachyphyllus Sierra linanthus Perennial herb  
Linnaea borealis ssp. americana Twinflower Perennial herb 2
Linum lewisii Lewis' flax Perennial herb 36
Linum lewisii var. alpicola Alpine lewis' flax Perennial herb 1
Linum lewisii var. lewisii Lewis' flax Perennial herb 5
Listera caurina Northwest twayblade Perennial herb  
Listera cordata var. nephrophylla Heartleaf twayblade Perennial herb  
Lithophragma glabrum Bulbed woodland star Perennial herb  
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma parviflorum var. parviflorum Pink woodland star Perennial herb  
Lithophragma tenellum Woodland star Perennial herb  
Lithospermum ruderale Western gromwell Perennial herb  
Lomatium bicolor Wasatch desertparsley Perennial herb  
Lomatium bicolor var. leptocarpum Slender fruited lomatium Perennial herb  
Lomatium canbyi Canby's lomatium Perennial herb  
Lomatium ciliolatum var. ciliolatum Yolla bolly biscuitroot 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 Fennel leaved lomatium Perennial herb  
Lomatium foeniculaceum ssp. macdougalii Macdougal's lomatium Perennial herb  
Lomatium foeniculaceum ssp. macdougallii Desert biscuitroot Perennial herb  
Lomatium grayi Gray's lomatium Perennial herb 2
Lomatium hendersonii Henderson's lomatium Perennial herb  
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium nevadense Nevada lomatium Perennial herb  
Lomatium nevadense var. nevadense Nevada lomatium Perennial herb  
Lomatium nevadense var. parishii Parish's lomatium Perennial herb  
Lomatium nudicaule Pestle lomatium Perennial herb 3
Lomatium piperi Piper's lomatium Perennial herb  
Lomatium plummerae Plummer's lomatium Perennial herb  
Lomatium ravenii Raven's lomatium Perennial herb  
Lomatium ravenii var. paiutense Paiute lomatium Perennial herb  
Lomatium ravenii var. ravenii Raven's lomatium Perennial herb  
Lomatium roseanum Biscuitroot Perennial herb  
Lomatium tracyi Tracy's lomatium Perennial herb  
Lomatium triternatum Lewis's lomatium Perennial herb 1
Lomatium triternatum var. macrocarpum Large fruited lewis' lomatium Perennial herb  
Lomatium triternatum var. triternatum Lewis' lomatium Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 2
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 9
Lotus formosissimus Coast lotus Perennial herb 8
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 21
Lotus scoparius var. brevialatus Short winged deerweed Perennial herb  
Lotus scoparius var. scoparius Deerweed Perennial herb  
Lotus stipularis Stipulate lotus Perennial herb  
Lotus stipularis var. ottleyi Ottley's stipulate lotus Perennial herb  
Lotus stipularis var. stipularis Stipulate lotus Perennial herb  
Lotus yollabolliensis Yolla bolly mtns. bird's foot trefoil Perennial herb 1
Ludwigia palustris Marsh purslane Perennial herb (aquatic)  
Lupinus Xinyoensis Perennial herb  
Lupinus albicaulis var. albicaulis Sicklekeel lupine Perennial herb  
Lupinus andersonii Anderson's lupine Perennial herb  
Lupinus angustiflorus Narrow flowered lupine Perennial herb  
Lupinus arbustus Long spurred lupine Perennial herb  
Lupinus argenteus Silvery lupine Perennial herb 6
Lupinus argenteus var. argenteus Silvery lupine Perennial herb  
Lupinus argenteus var. heteranthus Silvery lupine Perennial herb 3
Lupinus argenteus var. meionanthus Lake tahoe lupine Perennial herb  
Lupinus breweri Brewer's lupine Perennial herb 2
Lupinus breweri var. breweri Brewer's lupine Perennial herb  
Lupinus croceus Mt. eddy lupine Perennial herb 1
Lupinus grayi Gray's lupine Perennial herb 2
Lupinus latifolius Broad leaf lupine Perennial herb 4
Lupinus latifolius var. columbianus Broad leaved lupine Perennial herb  
Lupinus lepidus Tidy lupine Perennial herb 1
Lupinus lepidus var. confertus Clustered tidy lupine Perennial herb  
Lupinus lepidus var. lobbii Lobb's lupine Perennial herb  
Lupinus lepidus var. sellulus Stool lupine Perennial herb  
Lupinus lepidus var. utahensis Utah tidy lupine Perennial herb  
Lupinus leucophyllus Velvet lupine Perennial herb  
Lupinus nevadensis Nevada lupine Perennial herb  
Lupinus obtusilobus Satin lupine Perennial herb  
Lupinus onustus Northern lupine Perennial herb 1
Lupinus polyphyllus Bog lupine Perennial herb 25
Lupinus polyphyllus var. burkei Large leaved lupine Perennial herb 4
Lupinus saxosus Rock lupine Perennial herb  
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 asper Rough bugleweed Perennial herb  
Lycopus uniflorus Northern bugleweed Perennial herb  
Lycurus setosus Bristly wolfstail Perennial grass 2
Lyrocarpa coulteri var. palmeri Coulter's lyrepod 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 16
Malaxis monophyllos ssp. brachypoda Adder's mouth Perennial herb (bulb)  
Malvella leprosa Alkali mallow Perennial herb 3
Marah fabaceus Manroot Perennial herb, Vine 4
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 3
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 3
Marah horridus Sierran wild cucumber Perennial herb, Vine  
Marah macrocarpus Southern wild cucumber Perennial herb, Vine 5
Marah macrocarpus var. macrocarpus Southern wild cucumber Perennial herb, Vine 1
Marah macrocarpus var. major Southern wild cucumber Perennial herb, Vine 1
Marah 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 2
Melica bulbosa var. inflata Oniongrass Perennial grass 2
Melica californica California melic Perennial grass 25
Melica californica var. californica California melicgrass Perennial grass 1
Melica fugax Small onion grass Perennial grass  
Melica geyeri var. aristulata Geyer's onion grass Perennial grass  
Melica stricta Nodding melica Perennial grass  
Melica stricta var. albicaulis Nodding melica Perennial grass  
Melica stricta var. stricta Rock melicgrass Perennial grass  
Melica subulata Alaska melic Perennial grass 1
Menodora scoparia Broom tvinberry Perennial herb 2
Mentha arvensis American wild mint Perennial herb 5
Mentha canadensis Wild mint Perennial herb 5
Mentzelia laevicaulis Giant blazingstar Perennial herb 6
Mentzelia multiflora ssp. longiloba Many flowered mentzelia Perennial herb  
Mentzelia multiflora var. longiloba Adonis blazingstar Perennial herb  
Menyanthes trifoliata Bogbean Perennial herb 2
Mertensia ciliata Ciliate lungwort Perennial herb  
Mertensia ciliata var. stomatechoides Streamside bluebells Perennial herb  
Mertensia cusickii Toiyabe bluebells Perennial herb  
Mertensia longiflora Long flower bluebells Perennial herb  
Mertensia oblongifolia Sagebrush bluebells Perennial herb  
Mertensia oblongifolia var. oblongifolia Sagebrush bluebells Perennial herb  
Micranthes aprica Sierra saxifrage Perennial herb  
Micranthes integrifolia Smooth leaf saxifrage Perennial herb  
Micranthes nidifica Peak saxifrage Perennial herb  
Micranthes odontoloma Brook saxifrage Perennial herb 1
Micranthes oregana Bog saxifrage Perennial herb  
Micranthes tolmiei Tolmie's saxifrage Perennial herb  
Microseris laciniata Cut leaved scorzonella Perennial herb  
Microseris laciniata ssp. laciniata Cut leaved scorzonella Perennial herb  
Microseris laciniata ssp. siskiyouensis Siskiyou microseris Perennial herb  
Microseris laciniata var. siskiyouensis Cutleaf silverpuffs Perennial herb  
Microseris nutans Nodding microceris Perennial herb  
Mimulus glabratus var. glabratus Roundleaf monkeyflower Perennial herb (rhizomatous)  
Mimulus lewisii Lewis' monkey flower Perennial herb 11
Mimulus moschatus Musk monkeyflower Perennial herb 1
Mimulus moschatus var. longiflorus Muskflower Perennial herb  
Mimulus moschatus var. moschatus Muskflower Perennial herb  
Mimulus primuloides Primrose monkeyflower Perennial herb 2
Mimulus primuloides ssp. linearifolius Primrose monkeyflower Perennial herb 2
Mimulus primuloides ssp. primuloides Primrose monkeyflower Perennial herb  
Mimulus primuloides var. linearifolius Primrose monkeyflower Perennial herb 2
Mimulus primuloides var. pilosellus Primrose monkeyflower Perennial herb  
Mimulus primuloides var. primuloides Primrose monkeyflower Perennial herb  
Mimulus tilingii var. tilingii Tiling's monkeyflower 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  
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. laevis Desert wishbone bush Perennial herb  
Mirabilis laevis var. retrorsa Wishbone bush Perennial herb  
Mirabilis laevis var. villosa Wishbone bush Perennial herb 3
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 ssp. jokersti Jokerstís monardella Perennial herb  
Monardella cinerea Gray monardella Perennial herb (rhizomatous)  
Monardella crispa Crisp monardella Perennial herb (rhizomatous) 1
Monardella frutescens San luis obispo monardella Perennial herb (rhizomatous)  
Monardella glauca Grey monardella Perennial herb 1
Monardella linoides ssp. viminea Willowy monardella Perennial herb 7
Monardella nana ssp. arida Desert monardella Perennial herb 1
Monardella nana ssp. nana Little monardella Perennial herb  
Monardella nana ssp. tenuiflora Short flowered monardella Perennial herb  
Monardella odoratissima Mountain monardella Perennial herb 20
Monardella odoratissima ssp. glauca Mountain mint Perennial herb 1
Monardella odoratissima ssp. pallida Pale mountain monardella Perennial herb  
Monardella odoratissima ssp. parvifolia Matted mountain monardella Perennial herb  
Monardella rubella Grey monardella Perennial herb  
Monardella sheltonii Shelton's coyote mint Perennial herb 1
Monardella siskiyouensis Siskiyou coyote mint Perennial herb 2
Monardella villosa ssp. globosa Robust monardella Perennial herb (rhizomatous) 2
Monardella villosa var. subglabra Coyote mint Perennial herb 2
Monardella viridis ssp. saxicola Rock monardella Perennial herb (rhizomatous)  
Monardella viridis ssp. viridis Green monardella Perennial herb (rhizomatous)  
Montia chamissoi Spring beauty Perennial herb  
Muhlenbergia andina Foxtail muhly Perennial grass  
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia dumosa Bamboo muhly Perennial grass 7
Muhlenbergia jonesii Jones' muhly Perennial grass  
Muhlenbergia richardsonis Richardson's muhly Perennial grass  
Muhlenbergia thurberi Thurber's muhly Perennial grass  
Muilla clevelandii San diego goldenstar Perennial herb (bulb)  
Muilla transmontana Great basin muilla Perennial herb  
Myriophyllum hippuroides Western milfoil Perennial herb (aquatic)  
Myriophyllum quitense Andean watermilfoil Perennial herb (aquatic)  
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Nama lobbii Lobb's nama Perennial herb 1
Nassella cernua Nodding needlegrass Perennial grass 23
Nassella lepida Small flowered stipa Perennial grass 26
Nassella pulchra Purple needlegrass Perennial grass 41
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nestotus stenophyllus Narrowleaf mock goldenweed Perennial herb  
Nitrophila occidentalis Western nitrophila Perennial herb  
Nothocalais alpestris Alpine prairie dandelion Perennial herb  
Nothocalais troximoides False agoseris Perennial herb  
Nuphar luteum ssp. polysepalum Indian pond lily Perennial herb (aquatic)  
Nuphar polysepala Rocky mountain pond-lily Perennial herb (aquatic) 3
Oenothera caespitosa Fragrant evening primrose Perennial herb 8
Oenothera caespitosa ssp. marginata Large white desert primrose Perennial herb  
Oenothera cespitosa Fragrant evening-primrose Perennial herb 8
Oenothera cespitosa ssp. marginata Fragrant evening-primrose Perennial herb  
Oenothera elata Evening primrose Perennial herb 16
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 17
Oenothera flava Yellow evening primrose Perennial herb  
Oenothera flava ssp. flava Dandelion evening primrose Perennial herb  
Olsynium douglasii Douglas' grasswidow Perennial herb 4
Olsynium douglasii var. douglasii Douglas' grasswidow Perennial herb 4
Opuntia californica var. californica Snake cholla Perennial herb (stem succulent) 5
Opuntia munzii Munz's cholla Perennial herb (stem succulent) 2
Oreocarya schoolcraftii Schoolcraft's cryptantha Perennial herb  
Oreostemma alpigenum Tundra aster Perennial herb 3
Oreostemma alpigenum var. andersonii Tundra aster Perennial herb 1
Oreostemma elatum Plumas alpine aster Perennial herb  
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Orobanche fasciculata Clustered broomrape Perennial herb (parasitic)  
Orobanche ludoviciana var. arenosa Suksdorf's broom rape Perennial herb  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Oryzopsis exigua Little ricegrass Perennial grass  
Osmorhiza berteroi Sweet cicely Perennial herb 3
Osmorhiza chilensis Western sweet cicely Perennial herb 3
Osmorhiza occidentalis Western sweet cicely Perennial herb 2
Oxalis albicans ssp. californica Californica wood sorrel Perennial herb  
Oxalis albicans ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis corniculata ssp. pilosa Hairy wood sorrel Perennial herb  
Oxypolis occidentalis Western cow bane Perennial herb  
Oxytenia acerosa Copperweed Perennial herb  
Packera cana Woolly groundsel Perennial herb  
Packera eurycephala Widehead groundsel Perennial herb  
Packera eurycephala var. eurycephala Widehead groundsel Perennial herb  
Packera eurycephala var. lewisrosei Lewis' groundsel Perennial herb  
Packera indecora Elegant groundsel Perennial herb  
Packera multilobata Lobeleaf groundsel Perennial herb  
Packera pauciflora Alpine groundsel Perennial herb  
Packera pseudaurea Falsegold groundsel Perennial herb  
Packera pseudaurea var. pseudaurea Falsegold groundsel Perennial herb  
Packera streptanthifolia Rocky mountain groundsel Perennial herb  
Packera subnuda Buek's groundsel Perennial herb  
Packera subnuda var. subnuda Cleftleaf groundsel Perennial herb  
Paeonia brownii Peony Perennial herb 1
Parnassia californica Grass of parnassus Perennial herb  
Pascopyrum smithii Western wheat grass Perennial grass 4
Paspalum distichum Knot grass Perennial grass 2
Pectiantia pentandra Alpine mitrewort Perennial herb 1
Pedicularis attollens Attol lousewort Perennial herb  
Pedicularis attollens ssp. attollens Little elephantshead Perennial herb  
Pedicularis attollens ssp. protogyna Little elephantshead Perennial herb  
Pedicularis centranthera Dwarf lousewort Perennial herb  
Pedicularis groenlandica Elephant head lousewort Perennial herb 2
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  
Penstemon cinereus Gray beardtongue Perennial herb  
Penstemon cinicola Ash beardtongue Perennial herb  
Penstemon davidsonii Davidson's penstemon Perennial herb 8
Penstemon davidsonii var. davidsonii Davidson's beardtongue Perennial herb 2
Penstemon deustus Rock penstemon Perennial herb 2
Penstemon deustus var. pedicellatus Hot rock beardtongue Perennial herb  
Penstemon gracilentus Slender beardtongue Perennial herb 1
Penstemon heterodoxus Sierra penstemon Perennial herb  
Penstemon heterodoxus var. heterodoxus Sierra beardtongue Perennial herb  
Penstemon heterodoxus var. shastensis Shasta beardtongue Perennial herb  
Penstemon heterophyllus Foothill penstemon Perennial herb 39
Penstemon heterophyllus var. purdyi Purdy's foothill penstemon Perennial herb  
Penstemon humilis Low beardtongue Perennial herb  
Penstemon humilis ssp. humilis Low beardtongue Perennial herb  
Penstemon humilis var. humilis Low beardtongue Perennial herb  
Penstemon janishiae Antelope valley beardtongue Perennial herb 1
Penstemon laetus Mountain blue penstemon Perennial herb 1
Penstemon neotericus Derived penstemon Perennial herb 1
Penstemon newberryi Mountain pride Perennial herb 14
Penstemon newberryi var. berryi Berry's mountain pride Perennial herb  
Penstemon newberryi var. newberryi Newberry's penstemon Perennial herb 1
Penstemon roezlii Regel's mountain penstemon Perennial herb 1
Penstemon rydbergii Rydberg's penstemon Perennial herb 22
Penstemon rydbergii var. oreocharis Meadow beardtongue Perennial herb 1
Penstemon speciosus Showy penstemon Perennial herb 12
Penstemon spectabilis var. subviscosis Showy penstemon Perennial herb  
Perideridia bolanderi Bolander's yampah Perennial herb 2
Perideridia bolanderi ssp. bolanderi Bolander's yampah Perennial herb  
Perideridia bolanderi ssp. involucrata Bolander's yampah Perennial herb  
Perideridia gairdneri Gairdner's yampah Perennial herb 2
Perideridia gairdneri ssp. gairdneri Gairdner's yampah Perennial herb  
Perideridia kelloggii Yampah Perennial herb 5
Perideridia lemmonii Lemmon's yampah Perennial herb  
Perideridia oregana Oregon yampah Perennial herb 1
Perideridia parishii Parish's yampah Perennial herb  
Perideridia parishii ssp. latifolia Parish's yampah Perennial herb  
Persicaria amphibia Water smartweed Perennial herb (aquatic) 2
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia dalesiana Scott mtn. phacelia Perennial herb  
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 Varileaf phacelia Perennial herb 1
Phacelia heterophylla ssp. virgata Varied leaf phacelia Perennial herb  
Phacelia heterophylla var. virgata Varied leaf phacelia Perennial herb  
Phacelia hydrophylloides Water leaf phacelia Perennial herb  
Phacelia imbricata Imbricate phacelia Perennial herb 4
Phacelia imbricata ssp. 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 procera Tall phacelia Perennial herb  
Phacelia ramosissima Branching phacelia Perennial herb 4
Phacelia ramosissima var. eremophila Branching phacelia Perennial herb 4
Phacelia ramosissima var. latifolia Branching phacelia Perennial herb 4
Phacelia ramosissima var. montereyensis Monterey branching phacelia Perennial herb 4
Phacelia ramosissima var. ramosissima Branching phacelia Perennial herb 4
Phacelia ramosissima var. subglabra Branching phacelia Perennial herb 4
Phacelia sericea ssp. ciliosa Silky phacelia Perennial herb  
Phalacroseris bolanderi var. bolanderi Bolander's mock dandelion Perennial herb  
Phalacroseris bolanderi var. coronata Bolander's mock dandelion Perennial herb  
Phalaris arundinacea Reed canarygrass Perennial grass 8
Phalaris arundinacea var. picta Ribbongrass Perennial grass 8
Phleum alpinum Timothy grass 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 Spiny phlox Perennial herb  
Phlox hoodii ssp. canescens Hood's phlox Perennial herb  
Phlox hoodii ssp. lanata Carpet phlox Perennial herb  
Phlox hoodii ssp. muscoides Musk phlox Perennial herb 1
Phlox longifolia Longleaf phlox Perennial herb  
Phlox longifolia ssp. brevifolia Longleaf phlox Perennial herb  
Phlox longifolia ssp. longifolia Longleaf phlox Perennial herb  
Phlox muscoides Moss phlox Perennial herb 2
Phlox speciosa Showy phlox Perennial herb  
Phlox speciosa ssp. nitida Showy phlox Perennial herb  
Phlox speciosa ssp. occidentalis Western showy phlox Perennial herb  
Phlox stansburyi Cold desert phlox Perennial herb  
Phlox stansburyi ssp. stansburyi Cold-desert phlox Perennial herb  
Phlox stansburyi ssp. superba Cold-desert phlox Perennial herb  
Phlox stansburyi var. brevifolia Cold-desert phlox Perennial herb  
Phlox viridis Green phlox Perennial herb  
Phlox viridis ssp. compacta Green phlox Perennial herb  
Phlox viridis ssp. longipes Green phlox Perennial herb  
Phoenicaulis cheiranthoides Dagger pod Perennial herb 1
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 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
Physaria occidentalis Western bladderpod Perennial herb  
Physaria occidentalis ssp. occidentalis Western bladder pod Perennial herb  
Pinguicula macroceras var. macroceras California butterwort Perennial herb (carnivorous)  
Pinguicula vulgaris ssp. macroceras Horned butterwort Perennial herb (carnivorous)  
Piperia colemanii Coleman's piperia 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)  
Plagiobothrys mollis Downy popcorn flower Perennial herb  
Plagiobothrys mollis var. mollis Downy popcorn flower Perennial herb  
Plantago maritima var. juncoides Rush like maritime plantain Perennial herb 4
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  
Pleiacanthus spinosus Thorn skeletonweed Perennial herb  
Pleuraphis jamesii Galleta Perennial grass 9
Pleuraphis rigida Galletta grass Perennial grass 7
Pleuricospora fimbriolata Fringed pinesap Perennial herb (mycoparasitic)  
Pleuropogon davyi Davy's semaphore grass Perennial grass (rhizomatous)  
Poa ampla Western blue grass Perennial grass 15
Poa cusickii Cusick's bluegrass Perennial grass  
Poa cusickii ssp. cusickii Cusick's blue grass Perennial grass  
Poa cusickii ssp. epilis Skyline bluegrass Perennial grass  
Poa cusickii ssp. pallida Skyline blue grass Perennial grass  
Poa fendleriana Muttongrass Perennial grass 4
Poa fendleriana ssp. longiligula Fendler's blue grass Perennial grass  
Poa juncifolia Western blue grass Perennial grass 14
Poa leptocoma Marsh bluegrass Perennial grass  
Poa leptocoma ssp. leptocoma Bog blue grass Perennial grass  
Poa nevadensis Sierra blue grass Perennial grass 14
Poa pattersonii Patterson's blue grass Perennial grass  
Poa pratensis ssp. agassizensis Agassiz kentucky blue grass Perennial grass  
Poa secunda Pine bluegrass Perennial grass 18
Poa secunda ssp. juncifolia Rush blue grass Perennial grass 14
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 18
Poa wheeleri Hooker's bluegrass Perennial grass 1
Polemonium occidentale Great polemonium Perennial herb 3
Polemonium occidentale ssp. occidentale Western polemonium Perennial herb 2
Polyctenium fremontii Fremont's polyctenium Perennial herb  
Polyctenium fremontii var. confertum Flat pod polyctenium Perennial herb  
Polyctenium fremontii var. fremontii Fremont's polyctenium Perennial herb  
Polyctenium williamsiae Williams's combleaf Perennial herb  
Polygala subspinosa Spiny 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
Polygonum shastense Shasta knotweed Perennial herb  
Potamogeton alpinus Alpine pondweed Perennial herb (aquatic)  
Potamogeton alpinus ssp. tenuifolius Alpine pondweed Perennial herb (aquatic)  
Potamogeton amplifolius Broad leaved pondweed Perennial herb (aquatic)  
Potamogeton diversifolius Rafinesque's pondweed Perennial herb (aquatic)  
Potamogeton epihydrus Ribbonleaf pondweed Perennial herb (rhizomatous)  
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. fibrillosus Fibrous pondweed Perennial herb  
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 gramineus Grass leaf pondweed Perennial herb (aquatic)  
Potamogeton illinoensis Pondweed Perennial herb (aquatic)  
Potamogeton latifolius Nevada pondweed Perennial herb (aquatic)  
Potamogeton natans Floating leaved pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. tenuissimus Narrow leaved pondweed Perennial herb (aquatic)  
Potamogeton richardsonii Richardson's pondweed Perennial herb (aquatic)  
Potamogeton robbinsii Robbins's pondweed Perennial herb (rhizomatous)  
Potentilla basaltica Black rock potentilla Perennial herb  
Potentilla biennis Biennial cinquefoil Perennial herb 1
Potentilla breweri Brewer's 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 flabellifolia Fan leaved cinquefoil Perennial herb  
Potentilla glandulosa Gland cinquefoil Perennial herb 13
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 glaucophylla Blueleaf cinquefoil Perennial herb  
Potentilla gracilis Northwest cinquefoil Perennial herb 13
Potentilla gracilis var. elmeri Elmer's cinquefoil Perennial herb 1
Potentilla gracilis var. fastigiata Slender cinquefoil Perennial herb  
Potentilla gracilis var. flabelliformis Cupform leaf cinquefoil Perennial herb  
Potentilla gracilis var. gracilis Slender cinquefoil Perennial herb  
Potentilla gracilis var. pulcherrima White leaved cinquefoil Perennial herb  
Potentilla millefolia Cut leaf cinquefoil Perennial herb  
Potentilla newberryi Newberry's 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 conjugens Bonneville shooting star Perennial herb  
Primula hendersonii Mosquito bill Perennial herb 10
Primula jeffreyi Sierra shooting star Perennial herb 3
Primula pauciflora Beautiful shootingstar Perennial herb 6
Primula tetrandra Alpine shooting star Perennial herb 2
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 17
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 8
Pseudognaphalium canescens ssp. beneolens Wright's cudweed Perennial herb 1
Pseudognaphalium canescens ssp. canescens Wright's cudweed Perennial herb 1
Pseudognaphalium canescens ssp. microcephalum Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. thermale Wright's cudweed Perennial herb  
Pseudognaphalium thermale Small headed cudweed Perennial herb  
Pseudoroegneria spicata Bluebunch wheatgrass Perennial grass 4
Pseudoroegneria spicata ssp. spicata Bent grass Perennial grass 3
Pseudostellaria jamesiana Tubered starwort Perennial herb  
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 lemmonii Lemmon's alkali grass Perennial grass  
Puccinellia nuttalliana Nuttall's alkali grass Perennial grass 1
Pycnanthemum californicum California mint Perennial herb 4
Pyrola asarifolia Bog wintergreen Perennial herb  
Pyrola dentata Toothed wintergreen Perennial herb  
Pyrola picta White veined shinleaf Perennial herb  
Pyrrocoma apargioides Alpine pyrrocoma Perennial herb 1
Pyrrocoma carthamoides Largeflower goldenweed Perennial herb  
Pyrrocoma carthamoides var. cusickii Cusick's columbia pyrrocoma Perennial herb  
Pyrrocoma hirta Sticky pyrrocoma Perennial herb  
Pyrrocoma hirta var. hirta Sticky pyrrocoma Perennial herb  
Pyrrocoma hirta var. lanulosa Woolly pyrrocoma Perennial herb  
Pyrrocoma lanceolata Intermountain pyrrocoma Perennial herb  
Pyrrocoma lanceolata var. lanceolata Intermountain pyrrocoma Perennial herb  
Pyrrocoma lanceolata var. subviscosa Sticky intermountain pyrrocoma Perennial herb  
Pyrrocoma lucida Sticky pyrrocoma Perennial herb  
Pyrrocoma racemosa Racemose pyrrocoma Perennial herb  
Pyrrocoma racemosa var. paniculata Panicled pyrrocoma Perennial herb  
Pyrrocoma uniflora Single headed pyrrocoma Perennial herb  
Pyrrocoma uniflora var. uniflora Single headed pyrrocoma Perennial herb  
Raillardiopsis muirii Muir's raillardella Perennial herb (rhizomatous)  
Raillardiopsis scabrida Scabrid raillardella Perennial herb  
Ranunculus alismifolius Common water plantain buttercup Perennial herb  
Ranunculus alismifolius var. alismellus Slender buttercup Perennial herb  
Ranunculus alismifolius var. alismifolius Water plantain buttercup Perennial herb  
Ranunculus alismifolius var. hartwegii Common water plantain buttercup Perennial herb  
Ranunculus alismifolius var. lemmonii Common water plantain buttercup Perennial herb  
Ranunculus andersonii Anderson's buttercup Perennial herb  
Ranunculus aquatilis Whitewater crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. 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 10
Ranunculus canus Hartweg's buttercup Perennial herb  
Ranunculus cymbalaria Alkali buttercup Perennial herb  
Ranunculus cymbalaria var. saximontanus Rocky mountain buttercup Perennial herb  
Ranunculus flammula Spearwort Perennial herb 1
Ranunculus flammula var. ovalis Greater creeping spearwort Perennial herb  
Ranunculus glaberrimus Smooth buttercup Perennial herb  
Ranunculus glaberrimus var. ellipticus Narrow leaved smooth buttercup Perennial herb  
Ranunculus glaberrimus var. glaberrimus Smooth buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus occidentalis Western buttercup Perennial herb 6
Ranunculus occidentalis var. dissectus Western buttercup Perennial herb  
Ranunculus occidentalis var. occidentalis Western buttercup Perennial herb  
Ranunculus occidentalis var. ultramontanus Western buttercup Perennial herb  
Ranunculus orthorhynchus Bloomer's buttercup Perennial herb  
Ranunculus orthorhynchus var. orthorhynchus Straight beaked buttercup Perennial herb  
Ranunculus populago Cusick's buttercup Perennial herb  
Rhynchospora globularis var. globularis Round headed beaked rush Perennial grass (rhizomatous)  
Rorippa columbiae Columbia yellow cress Perennial herb (rhizomatous)  
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
Rorippa sinuata Spreading yellow cress Perennial herb (aquatic)