| Criteria: found in Alpine County • is native • group by lifeform | ||||
| 1930 records | include photos for these plants | # number of sources | ||
| Scientific Name | Common Name | Lifeform | # |
Lifeform: Annual | 317 plants | ||
|
Lifeform: Biennial | 2 plants | ||
Lifeform: Perennial | 1328 plants | ||
| Achillea millefolium | Yarrow | Perennial herb | 72 |
| Achnatherum hymenoides | Indian rice grass | Perennial grass | 8 |
| Achnatherum latiglume | Sierra needlegrass | Perennial grass | |
| Achnatherum lemmonii | Lemmon's stipa | Perennial grass | 1 |
| Achnatherum lemmonii ssp. lemmonii | Lemmon's 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 | 1 |
| 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 pinetorum | Pinewoods needlegrass | Perennial grass | |
| Achnatherum thurberianum | Thurber stipa | Perennial grass | |
| Acmispon glaber | Deerweed | Perennial herb | 22 |
| Acmispon nevadensis | Sierra lotus | Perennial herb | |
| Acmispon nevadensis var. nevadensis | Sierra nevada lotus | Perennial herb | |
| Aconitum columbianum | Monkshood | Perennial herb | 4 |
| Aconitum columbianum ssp. viviparum | Columbian monkshood | Perennial herb | |
| Aconitum columbianum var. howellii | Howell's monkshood | Perennial herb | |
| Aconogonon davisiae | Davis knotweed | Perennial herb | |
| Aconogonon phytolaccifolium | Pokeweed knotweed | Perennial herb | |
| Actaea rubra | Baneberry | Perennial herb | 7 |
| Adenocaulon bicolor | Trail plant | Perennial herb | |
| Agastache urticifolia | Horse mint | Perennial herb | 6 |
| Ageratina occidentalis | Western eupatorium | Perennial herb | 4 |
| Agoseris Xdasycarpa | Perennial herb | ||
| Agoseris Xelata | Tall agoseris | Perennial herb | |
| Agoseris aurantiaca | Orange flowered agoseris | Perennial herb | 1 |
| Agoseris aurantiaca var. aurantiaca | Orange agoseris | Perennial herb | |
| Agoseris elata | Tall agoseris | Perennial herb | |
| Agoseris glauca | 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 | 4 |
| 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 humilis | Mountain bent grass | Perennial grass | |
| Agrostis idahoensis | Colonial bentgrass | Perennial grass | 3 |
| Agrostis pallens | Diego bent grass | Perennial grass | 14 |
| Agrostis scabra | Rough bentgrass | Perennial grass | 4 |
| Agrostis thurberiana | Thurber's bentgrass | Perennial grass | |
| Agrostis variabilis | Mountain bentgrass | Perennial grass | |
| Allium anceps | Twin leaved onion | Perennial herb (bulb) | |
| Allium atrorubens | Dark red onion | Perennial herb (bulb) | |
| Allium atrorubens var. cristatum | Crested 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) | 2 |
| Allium lemmonii | Lemmon's onion | Perennial herb (bulb) | 1 |
| Allium obtusum | Red sierra onion | Perennial herb (bulb) | 3 |
| Allium obtusum var. conspicuum | Showy red sierra onion | Perennial herb (bulb) | |
| Allium obtusum var. obtusum | Red sierra onion | Perennial herb (bulb) | |
| Allium parvum | Dwarf onion | Perennial herb (bulb) | 1 |
| Allium tribracteatum | Three bracted onion | Perennial herb (bulb) | |
| Allium validum | Swamp onion | Perennial herb (bulb) | 5 |
| Alopecurus aequalis | Sonoma alopecurus | Perennial grass | |
| Alopecurus aequalis var. aequalis | Shortawn foxtail | Perennial grass | |
| Alopecurus geniculatus | Marsh foxtail | Perennial grass | |
| Anaphalis margaritacea | Pearly everlasting | Perennial herb | 17 |
| Anelsonia eurycarpa | Broad podded phoenicaulis | Perennial herb | |
| Anemone drummondii | Drummond's anemone | Perennial herb | 2 |
| Anemone drummondii var. drummondii | Drummond's anemone | Perennial herb | 2 |
| Anemone multifida | Pacific anemone | Perennial herb | 7 |
| Anemone multifida var. multifida | Pacific anemone | Perennial herb | 1 |
| Anemone occidentalis | Western anemone | Perennial herb | 3 |
| Angelica breweri | Brewer's angelica | Perennial herb | 2 |
| Angelica capitellata | Grayswamp whiteheads | Perennial herb | 2 |
| Antennaria corymbosa | Meadowpussytoes | Perennial herb | |
| Antennaria dimorpha | Gray cushion 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. rosea | Rosy pussytoes | Perennial herb | |
| Antennaria umbrinella | Brown pussytoes | Perennial herb | |
| Aphyllon californicum | California orobanche | Perennial herb (parasitic) | |
| Aphyllon californicum ssp. feudgei | California broomrape | Perennial herb (parasitic) | |
| Aphyllon californicum ssp. grayanum | Gray's california broom rape | Perennial herb (parasitic) | |
| Aphyllon fasciculatum | Clustered broomrape | Perennial herb (parasitic) | |
| Apocynum androsaemifolium | Spreading dogbane | Perennial herb | 1 |
| Apocynum cannabinum | Indian hemp | Perennial herb | 11 |
| Aquilegia formosa | Columbine | Perennial herb | 56 |
| Arabis cobrensis | Masonic rock cress | Perennial herb | |
| Arabis davidsonii | Davidson's rock cress | Perennial herb | |
| Arabis drummondii | Drummond's rock cress | Perennial herb | |
| Arabis eschscholtziana | Eschscholtz's hairy rockcress | Perennial herb | |
| Arabis glabra | Smooth rock cress | Perennial herb | |
| Arabis glabra var. furcatipilis | Smooth rock cress | Perennial herb | |
| Arabis hirsuta | Hairy rock cress | Perennial herb | 1 |
| Arabis hirsuta var. glabrata | Mountain 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 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 microphylla var. microphylla | Small leaved 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 pycnocarpa | Creamflower rockcress | Perennial herb | 1 |
| Arabis rectissima | Bristlyleaf rockcress | Perennial herb | |
| Arabis rectissima var. rectissima | Bristly leaved rock cress | Perennial herb | |
| Arabis sparsiflora | Sicklepod rock cress | Perennial herb | 2 |
| Arabis sparsiflora var. sparsiflora | Elegant rock cress | Perennial herb | 2 |
| Arabis sparsiflora var. subvillosa | Hairy stemmed elegant rock cress | Perennial herb | |
| Arabis suffrutescens | Woody rock cress | Perennial herb | |
| Arabis suffrutescens var. suffrutescens | Woody rockcress | 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 var. congesta | 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 pumicola var. californica | Pumice sandwort | Perennial herb | |
| Argemone corymbosa | Leafy prickly poppy | Perennial herb | 2 |
| 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 diversifolia | Lawless arnica | Perennial herb | |
| Arnica lanceolata | Clasping arnica | Perennial herb | |
| Arnica lanceolata ssp. prima | Clasping arnica | Perennial herb | 3 |
| 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 ovata | Sticky leaf arnica | Perennial herb | |
| Arnica parryi | Nodding arnica | Perennial herb | |
| Arnica sororia | Twin arnica | Perennial herb (rhizomatous) | |
| Arnica tomentella | Recondite arnica | Perennial herb | 1 |
| Artemisia douglasiana | California mugwort | Perennial herb | 35 |
| Artemisia dracunculus | Tarragon | Perennial herb | 11 |
| 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 |
| Artemisia michauxiana | Lemon sagewort | Perennial herb | 2 |
| Artemisia norvegica | Alpine sagewort | Perennial herb | 1 |
| Artemisia norvegica ssp. saxatilis | Boreal sagewort | Perennial herb | |
| Asarum lemmonii | Lemmon's wild ginger | Perennial herb | 6 |
| Asclepias cordifolia | Purple milkweed | Perennial herb | 10 |
| Asclepias fascicularis | narrow leaf milkweed | Perennial herb | 34 |
| Asclepias speciosa | Showy milkweed | Perennial herb | 42 |
| Aster alpigenus var. andersonii | Alpine aster | Perennial herb | 1 |
| Aster ascendens | Long leaved aster | Perennial herb | |
| Aster breweri | Brewer's aster | Perennial herb | |
| Aster campestris | Western meadow aster | Perennial herb | |
| Aster eatonii | Eaton'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 integrifolius | Entire leaved aster | Perennial herb | |
| Aster lanceolatus ssp. hesperius | Western lance leaf aster | Perennial herb | |
| Aster occidentalis | Western mountain aster | Perennial herb | 1 |
| Aster occidentalis var. occidentalis | Western mountain aster | Perennial herb | |
| Aster scopulorum | Lava aster | Perennial herb | |
| Astragalus bolanderi | Bolander's milk vetch | Perennial herb | |
| Astragalus gibbsii | Gibbs locoweed | Perennial herb | |
| Astragalus kentrophyta | Spiny milk vetch | Perennial herb | |
| Astragalus kentrophyta var. danaus | Sweetwater mtns. milk vetch | Perennial herb | |
| Astragalus platytropis | Little big pod milk vetch | Perennial herb | |
| Astragalus purshii | Pursh's sheeppod | Perennial herb | 3 |
| 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. lenophyllus | Whitney's milk vetch | Perennial herb | |
| Astragalus whitneyi var. whitneyi | Whitney's milk vetch | Perennial herb | |
| 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. platylepis | Flat scale balsam root | Perennial herb | 1 |
| Balsamorhiza sagittata | Arrow leaved balsamroot | Perennial herb | 6 |
| Barbarea orthoceras | Winter cress | Perennial herb | 1 |
| Bidens cernua | Nodding beggartick | Perennial herb | |
| Bistorta bistortoides | American bistort | Perennial herb | |
| Boechera acutina | Pointed rockcress | Perennial herb | |
| Boechera cobrensis | Masonic rock cress | Perennial herb | |
| Boechera davidsonii | Davidson's rockcress | Perennial herb | |
| Boechera depauperata | Soldier rockcress | Perennial herb | |
| Boechera divaricarpa | Spreadingpod rockcress | Perennial herb | |
| Boechera elkoensis | Elko rockcress | Perennial herb | |
| Boechera howellii | Howell's rockcress | Perennial herb | |
| Boechera inyoensis | Inyo rockcress | Perennial herb | |
| Boechera lemmonii | Lemmon's rockcress | Perennial herb | |
| Boechera lyallii | Lyall's rockcress | Perennial herb | 1 |
| Boechera microphylla | Small-leaved rock cress | Perennial herb | |
| Boechera pauciflora | Hairy stem rockcress | Perennial herb | |
| Boechera pendulocarpa | Dropseed rockcress | Perennial herb | |
| Boechera pinetorum | Woodland rockcress | Perennial herb | |
| Boechera platysperma | Pioneer rockcress | Perennial herb | |
| Boechera pratincola | Meadow rockcress | Perennial herb | |
| Boechera puberula | Silver rockcress | Perennial herb | |
| Boechera rectissima | Bristly leaf rockcress | Perennial herb | |
| Boechera retrofracta | Reflexed rockcress | Perennial herb | |
| Boechera sparsiflora | Sicklepod rockcress | Perennial herb | 2 |
| Boechera stricta | Drummond's rockcress | Perennial herb | |
| Boechera suffrutescens | Woody rockcress | Perennial herb | |
| Bolandra californica | Sierra bolandra | Perennial herb | |
| Brickellia californica | California brickellia | Perennial herb | 17 |
| Brickellia grandiflora | Large flowered brickelbush | Perennial herb | |
| Brickellia oblongifolia | Mojave brickellbush | Perennial herb | |
| Brickellia oblongifolia var. linifolia | Pinon brickellia | Perennial herb | |
| Bromus carinatus | California bromegrass | Perennial grass | 20 |
| Bromus carinatus var. carinatus | California brome | Perennial grass | 20 |
| Bromus carinatus var. marginatus | Mountain brome | Perennial grass | 6 |
| Bromus ciliatus | Fringed bromegrass | Perennial grass | 2 |
| Bromus laevipes | Narrow flowered brome | Perennial grass | 3 |
| Bromus marginatus | Mountain brome | Perennial grass | 6 |
| Bromus richardsonii | Fringed brome | Perennial grass | |
| Bromus sitchensis var. carinatus | California brome | Perennial grass | 20 |
| Bromus sitchensis var. marginatus | Mountain brome | Perennial grass | 6 |
| Bromus suksdorfii | Suksdorf's bromegrass | Perennial grass | 1 |
| Calamagrostis breweri | Short hair reedgrass | Perennial grass | 1 |
| Calamagrostis canadensis | Canada reedgrass | Perennial grass | 5 |
| Calamagrostis purpurascens | Purple reedgrass | Perennial grass | |
| Calamagrostis stricta | Narrow hairgrass | Perennial grass (rhizomatous) | 2 |
| Calamagrostis stricta ssp. inexpansa | Thurber's reed grass | Perennial grass (rhizomatous) | 1 |
| Calliscirpus brachythrix | Short-Hair Cottongrass | Perennial grass | |
| Calliscirpus criniger | Cotton grass | Perennial grass | |
| Calochortus coeruleus | Blue star tulip | Perennial herb | 1 |
| Calochortus leichtlinii | Leichtlin's mariposa lily | Perennial herb | 2 |
| Caltha leptosepala | White marsh marigold | Perennial herb | 3 |
| Caltha leptosepala ssp. howellii | Howell's marsh marigold | Perennial herb | 3 |
| Caltha leptosepala var. biflora | Marsh marigold | Perennial herb | 3 |
| Calyptridium monospermum | One seeded pussypaws | Perennial herb | |
| Camassia quamash | Camas | Perennial herb | 13 |
| Camassia quamash ssp. breviflora | Small camas | Perennial herb | 1 |
| 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 | |
| Cardamine breweri | Brewer's bitter cress | Perennial herb | |
| Cardamine breweri var. breweri | Brewer's bitter cress | 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 | 3 |
| Carex aquatilis | Water sedge | Perennial grass | 5 |
| Carex aquatilis var. aquatilis | Water sedge | Perennial grass | 1 |
| Carex athrostachya | Slender leaved sedge | Perennial grass | 3 |
| Carex aurea | Golden fruited sedge | Perennial grass | |
| Carex bella | Southwestern showy sedge | Perennial grass | |
| Carex constanceana | Contance's sedge | Perennial grass | |
| Carex davyi | Davy's sedge | Perennial grass | |
| Carex deflexa var. boottii | Mountain mat sedge | Perennial grass | |
| Carex deweyana | Dewey sedge | Perennial grass | 5 |
| Carex deweyana ssp. leptopoda | Dewey's taper fruit sedge | Perennial grass | 3 |
| Carex douglasii | Douglas sedge | Perennial grass | 1 |
| Carex echinata | Bristle fruit sedge | Perennial grass | 1 |
| Carex echinata ssp. echinata | Bristle fruit sedge | Perennial grass | |
| 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 fracta | Fragile sheathed sedge | Perennial grass | 1 |
| Carex helleri | Heller's sedge | Perennial grass | |
| Carex heteroneura | Variable nerved sedge | Perennial grass | |
| Carex heteroneura var. epapillosa | Smooth nerve sedge | Perennial grass | |
| Carex heteroneura var. heteroneura | Vari nerved sedge | Perennial grass | |
| Carex hoodii | Hood's sedge | Perennial grass | |
| Carex illota | Sheep sedge | Perennial grass | |
| Carex integra | Smooth beak sedge | Perennial grass | |
| Carex jonesii | Jones' sedge | Perennial grass | |
| 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. lipocarpa | Fat fruited sedge | Perennial grass | 1 |
| Carex leporinella | Sierra hare sedge | Perennial grass | |
| Carex leptopoda | Slender-footed sedge | Perennial grass | 5 |
| Carex limosa | Shore sedge | Perennial grass (rhizomatous) | |
| Carex luzulifolia | Littleleaf sedge | Perennial grass | |
| Carex luzulina | Wood rush sedge | Perennial grass | |
| Carex luzulina var. ablata | American cold loving sedge | Perennial grass | |
| Carex mariposana | Mariposa sedge | Perennial grass | |
| Carex microptera | Small wing sedge | Perennial grass | 2 |
| Carex multicostata | Many ribbed sedge | Perennial grass | |
| Carex nebrascensis | Nebraska sedge | Perennial grass | 2 |
| Carex nervina | Sierra nerved sedge | Perennial grass | |
| Carex nigricans | Black alpine sedge | Perennial grass | |
| 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 praeceptorum | Teacher's 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 scirpoidea | Northern singlespike sedge | Perennial grass (rhizomatous) | |
| Carex scirpoidea ssp. pseudoscirpoidea | Single spiked 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 simulata | Short beaked sedge | Perennial grass | 2 |
| Carex specifica | Narrow fruit sedge | Perennial grass | |
| Carex spectabilis | Showy sedge | Perennial grass | 2 |
| Carex straminiformis | Straw like sedge | Perennial grass | |
| Carex subfusca | Brown sedge | Perennial grass | 8 |
| Carex subnigricans | Blackish sedge | Perennial grass | |
| Carex tahoensis | Tahoe sedge | Perennial grass | |
| Carex utriculata | Beaked sedge | Perennial grass | 7 |
| Carex vallicola | Valley sedge | Perennial grass | |
| Carex vernacula | Native sedge | Perennial grass | |
| Carex vesicaria | Blister sedge | Perennial grass | 3 |
| Carex vesicaria var. vesicaria | Inflated sedge | Perennial grass | 2 |
| Carex whitneyi | Whitney's sedge | Perennial grass | |
| Castilleja angustifolia | Desert paintbrush | Perennial herb | 3 |
| Castilleja applegatei | Wavy leaf paintbrush | Perennial herb | 2 |
| Castilleja applegatei ssp. pallida | Brewer's indian paintbrush | Perennial herb | |
| Castilleja applegatei ssp. pinetorum | Pine wavy leaf paintbrush | Perennial herb | |
| Castilleja chromosa | Desert paintbrush | Perennial herb | 3 |
| 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 nana | Dwarf alpine paintbrush | Perennial herb | |
| Castilleja parviflora | Mountain paintbrush | Perennial herb | |
| Castilleja parviflora var. parviflora | Smallflower indian paintbrush | Perennial herb | |
| Castilleja peirsonii | Peirson's paintbrush | Perennial herb | |
| Castilleja pilosa | Pilose paintbrush | Perennial herb | |
| Castilleja pruinosa | Frosted paintbrush | Perennial herb (hemiparasitic) | |
| Caulanthus major | Slender wild cabbage | Perennial herb | |
| Caulanthus major var. nevadensis | Sierra nevada wild cabbage | Perennial herb | |
| Cerastium beeringianum | Bering chickweed | Perennial herb | 1 |
| Cerastium beeringianum ssp. earlei | Bering chickweed | Perennial herb | 1 |
| Cerastium beeringianum var. capillare | Mouse ear chickweed | Perennial herb | 1 |
| Chaenactis alpigena | Southern sierra chaenactis | Perennial herb | |
| Chaenactis douglasii var. alpina | Alpine dusty pincushion | Perennial herb | |
| Chaenactis nevadensis | Sierra chaenactis | Perennial herb | |
| Chamaesaracha nana | Dwarf chamaesaracha | Perennial herb | |
| Chamerion angustifolium | Fireweed | Perennial herb | 14 |
| Chamerion angustifolium ssp. circumvagum | Fireweed | Perennial herb | 2 |
| Chamerion latifolium | Dwarf fireweed | Perennial herb | 3 |
| Chimaphila menziesii | Little prince's pine | Perennial herb | |
| Cicuta douglasii | Western water hemlock | Perennial herb | 1 |
| 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. canovirens | Gray-green thistle | Perennial herb | |
| Cirsium inamoenum | Greene's thistle | Perennial herb | |
| Cirsium inamoenum var. inamoenum | Greene's 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 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 megarhiza | Fell fields claytonia | Perennial herb | |
| Claytonia nevadensis | Sierra spring beauty | Perennial herb | 1 |
| Claytonia umbellata | Great basin claytonia | Perennial herb | |
| Comarum palustre | Marsh cinquefoil | Perennial herb | 5 |
| Corallorhiza maculata | Summer coral root | Perennial herb | |
| Corallorhiza striata | Striped coral root | Perennial herb | |
| Crepis acuminata | Tall hawksbeard | Perennial herb | |
| Crepis bakeri | Baker's hawksbeard | Perennial herb | |
| Crepis intermedia | Intermediate hawksbeard | Perennial herb | |
| Crepis modocensis | Modoc hawksbeard | Perennial herb | |
| Crepis modocensis ssp. subacaulis | Modoc hawksbeard | Perennial herb | |
| Crepis nana | Dwarf hawksbeard | Perennial herb | |
| Crepis occidentalis | Western hawk's beard | Perennial herb | |
| Crepis occidentalis ssp. conjuncta | Largeflower hawksbeard | Perennial herb | |
| Crepis occidentalis ssp. occidentalis | Largeflower hawksbeard | Perennial herb | |
| Crepis pleurocarpa | Naked stemmed hawksbeard | Perennial herb | |
| Crepis runcinata | Meadow hawksbeard | Perennial herb | |
| Crepis runcinata ssp. hallii | Hall's meadow hawksbeard | Perennial herb | |
| Cryptantha crymophila | Subalpine cryptantha | Perennial herb | |
| Cryptantha flavoculata | Rough seed cryptantha | Perennial herb | |
| Cryptantha humilis | Low oreocarya | Perennial herb | |
| Cryptantha nubigena | Sierra cryptantha | Perennial herb | |
| Cusickiella douglasii | Alkali draba | Perennial herb | |
| Cymopterus cinerarius | Gray's cymopterus | Perennial herb | |
| Cymopterus terebinthinus | Turpentine cymopterus | Perennial herb | |
| Cymopterus terebinthinus var. californicus | Turpentine cymopterus | Perennial herb | |
| Cymopterus terebinthinus var. petraeus | Rock cymopterus | Perennial herb | |
| Cynoglossum occidentale | Hound's tongue | Perennial herb | |
| Danthonia californica | California oatgrass | Perennial grass | 21 |
| Danthonia californica var. americana | American oatgrass | Perennial grass | 21 |
| Danthonia intermedia | Timber oatgrass | Perennial grass | 2 |
| Danthonia unispicata | One spiked oatgrass | Perennial grass | |
| Darmera peltata | Umbrella plant | Perennial herb | 14 |
| Delphinium andersonii | Anderson larkspur | Perennial herb | 4 |
| Delphinium depauperatum | Few flowered larkspur | Perennial herb | |
| Delphinium glaucum | Sierra larkspur | Perennial herb | 3 |
| Delphinium nuttallianum | Nuttall's larkspur | Perennial herb | 2 |
| Delphinium patens | Spreading larkspur | Perennial herb | |
| Delphinium polycladon | Mountain marsh larkspur | Perennial herb | |
| Deschampsia cespitosa | Tufted hair grass | Perennial grass | 49 |
| Deschampsia cespitosa ssp. cespitosa | Tufted hairgrass | Perennial grass | 24 |
| Deschampsia elongata | Hairgrass | Perennial grass | 17 |
| Descurainia adenophora | White tansy mustard | Perennial herb | |
| Descurainia californica | Sierra tansy mustard | Perennial herb | |
| Descurainia incana | Mountain tansy mustard | Perennial herb | |
| Descurainia obtusa | Blunt tansymustard | Perennial herb | |
| Descurainia obtusa ssp. adenophora | White tansy mustard | Perennial herb | |
| Dicentra uniflora | Steers head | Perennial herb | |
| Dichelostemma capitatum | Blue dicks | Perennial herb | 16 |
| Dichelostemma capitatum ssp. capitatum | Wild hyacinth | Perennial herb | 2 |
| Dieteria canescens | Hoary aster | Perennial herb | 1 |
| Dieteria canescens var. canescens | Hoary aster | Perennial herb | |
| Dieteria canescens var. shastensis | Shasta aster | Perennial herb | |
| Dipterostemon capitatus | Blue dicks | Perennial herb | 16 |
| Dipterostemon capitatus ssp. capitatus | Perennial herb | 2 | |
| Distichlis spicata | Salt grass | Perennial grass | 25 |
| Dodecatheon alpinum | Alpine shooting star | Perennial herb | 1 |
| Dodecatheon jeffreyi | Jeffrey's shooting star | Perennial herb | 3 |
| Dodecatheon subalpinum | Sierra shooting star | Perennial herb | |
| Doellingeria breweri | Perennial herb | ||
| Draba asterophora | Tahoe draba | Perennial herb | |
| Draba asterophora var. asterophora | Tahoe draba | Perennial herb | |
| Draba breweri | Brewer's whitlow grass | Perennial herb | |
| Draba californica | California draba | Perennial herb | |
| Draba densifolia | Dense leaved draba | Perennial herb | |
| Draba lemmonii | Granite draba | Perennial herb | |
| Draba lemmonii var. lemmonii | Lemmon's draba | Perennial herb | |
| Draba longisquamosa | Granite draba | Perennial herb | |
| Draba novolympica | Trelease's draba | Perennial herb | |
| Draba oligosperma | Few seeded draba | Perennial herb | |
| Draba paysonii | Payson's draba | Perennial herb | |
| Draba paysonii var. treleasei | Trelease's draba | Perennial herb | |
| Draba praealta | Tall draba | Perennial herb | |
| Draperia systyla | Violet draperia | Perennial herb | |
| Drymocallis glandulosa | Sticky cinquefoil | Perennial herb | 13 |
| Drymocallis glandulosa var. reflexa | Sticky cinquefoil | Perennial herb | |
| Drymocallis hansenii | Yosemite woodbeauty | Perennial herb | |
| Drymocallis lactea | Perennial herb | 1 | |
| Drymocallis lactea var. austiniae | Austin's woodbeauty | Perennial herb | |
| Drymocallis lactea var. lactea | Sierran woodbeauty | Perennial herb | |
| Drymocallis rhomboidea | Common cinquefoil | Perennial herb | |
| Dugaldia hoopesii | Hoope's sneezeweed | Perennial herb | 7 |
| Eleocharis acicularis | Needle spikerush | Perennial grass | 2 |
| Eleocharis acicularis var. bella | Beautiful spikerush | Perennial grass | |
| Eleocharis bella | Beautiful spikerush | Perennial grass | |
| Eleocharis macrostachya | Spike rush | Perennial grass | 18 |
| Eleocharis pauciflora | Few flowered spike rush | Perennial grass | |
| Eleocharis quinqueflora | Fewflower spikerush | Perennial grass | |
| Eleocharis rostellata | Walking sedge | Perennial grass | 1 |
| Eleocharis suksdorfiana | Suksdorf's spikerush | Perennial grass | |
| Elymus Xhansenii | Perennial grass | ||
| Elymus cinereus | Great basin wild rye | Perennial grass | 8 |
| Elymus elymoides | Squirrel tail grass | Perennial grass | 15 |
| 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 | 32 |
| Elymus glaucus ssp. glaucus | Blue wild rye | Perennial grass | 1 |
| Elymus glaucus ssp. jepsonii | Western rye grass | Perennial grass | 1 |
| Elymus lanceolatus | Thickspike wheatgrass | Perennial grass | 3 |
| Elymus lanceolatus ssp. lanceolatus | Northern wheatgrass | Perennial grass | 4 |
| Elymus multisetus | Big squirreltail grass | Perennial grass | 13 |
| Elymus scribneri | Scribner's wheat grass | Perennial grass | |
| Elymus sierrae | Sierra wildrye | Perennial grass | |
| Elymus spicatus | Blue bunch wheat grass | Perennial grass | 7 |
| Elymus trachycaulus | Slender wheatgrass | Perennial grass | 9 |
| 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 |
| Epilobium anagallidifolium | Alpine willowherb | Perennial herb | |
| Epilobium angustifolium ssp. angustifolium | Fireweed | Perennial herb | 2 |
| Epilobium angustifolium ssp. circumvagum | Fireweed | Perennial herb | 1 |
| Epilobium canum | California fuchsia | Perennial herb | 51 |
| 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 clavatum | Club fruit willowherb | Perennial herb | |
| 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 howellii | Subalpine fireweed | Perennial herb | |
| Epilobium lactiflorum | White flowered willowherb | Perennial herb | |
| Epilobium latifolium | River beauty | Perennial herb | 3 |
| Epilobium obcordatum | Heart willowweed | Perennial herb | |
| Epilobium oreganum | Oregon fireweed | Perennial herb | |
| Epilobium oregonense | Slimstem willowweed | Perennial herb | |
| Epilobium saximontanum | Glandular willowherb | Perennial herb | |
| Eremogone aculeata | Prickly sandwort | Perennial herb | |
| Eremogone congesta | Capitate sandwort | Perennial herb | |
| Eremogone congesta var. suffrutescens | Suffrutescent sandwort | Perennial herb | |
| Eremogone kingii | King's sandwort | Perennial herb | 1 |
| Eremogone kingii var. glabrescens | King's smooth sandwort | Perennial herb | |
| Erigeron algidus | Stalked fleabane | Perennial herb | |
| Erigeron aphanactis | Rayless shaggy fleabane | Perennial herb | |
| Erigeron barbellulatus | Shining daisy | Perennial herb | 1 |
| Erigeron bloomeri | Scabland fleabane | Perennial herb | |
| Erigeron breweri | Brewer's fleabane | Perennial herb | |
| Erigeron breweri var. breweri | Brewer's daisy | Perennial herb | |
| Erigeron breweri var. porphyreticus | Fleabane | Perennial herb | |
| Erigeron compositus | Cut leaved daisy | Perennial herb | 4 |
| Erigeron coulteri | Coulter's daisy | 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 foliosus | Leafy daisy | Perennial herb | |
| Erigeron glacialis | Wandering fleabane | Perennial herb | 3 |
| Erigeron glacialis var. glacialis | Wandering fleabane | Perennial herb | |
| Erigeron linearis | Narrow leaved fleabane | Perennial herb | 3 |
| Erigeron lobatus | Lobed fleabane | Perennial herb | 4 |
| Erigeron lonchophyllus | Shortray fleabane | Perennial herb | |
| Erigeron nevadincola | Nevada daisy | Perennial herb | |
| Erigeron peregrinus | Wandering fleabane | Perennial herb | 3 |
| Erigeron peregrinus var. callianthemus | Wandering fleabane | Perennial herb | |
| Erigeron philadelphicus | Philadelphia fleabane | Perennial herb | |
| Erigeron pygmaeus | Pygmy fleabane | Perennial herb | |
| Erigeron tener | Slender fleabane | Perennial herb | |
| Erigeron vagus | Rambling fleabane | Perennial herb | |
| Eriogonum beatleyae | Beatley's buckwheat | Perennial herb | |
| Eriogonum breedlovei | Piute 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 incanum | Frosted buckwheat | Perennial herb | 1 |
| Eriogonum kennedyi | Kennedy's buckwheat | Perennial herb | 5 |
| Eriogonum lobbii | Lobb's buckwheat | Perennial herb | |
| Eriogonum lobbii var. lobbii | Lobb's buckwheat | Perennial herb | |
| Eriogonum microtheca | Slender buckwheat | Perennial herb | |
| Eriogonum microtheca var. alpinum | Northern limestone buckwheat | Perennial herb | |
| Eriogonum microtheca var. laxiflorum | Great basin wild buckwheat | Perennial herb | |
| Eriogonum ochrocephalum | White woolly buckwheat | Perennial herb | |
| Eriogonum ovalifolium | Oval leaved eriogonum | Perennial herb | 4 |
| Eriogonum ovalifolium var. eximium | Cushion buckwheat | Perennial herb | |
| Eriogonum ovalifolium var. nivale | Cushion buckwheat | Perennial herb | 1 |
| Eriogonum ovalifolium var. vineum | Cushenbury buckwheat | Perennial herb | |
| Eriogonum rosense | Rosy buckwheat | Perennial herb | |
| Eriogonum rosense var. rosense | Rosy buckwheat | Perennial herb | |
| Eriogonum sphaerocephalum | Round headed buckwheat | Perennial herb | |
| Eriogonum sphaerocephalum var. halimioides | Round headed buckwheat | Perennial herb | |
| Eriogonum strictum | Blue mountain buckwheat | Perennial herb | 1 |
| Eriogonum strictum var. proliferum | Blue mountain buckwheat | Perennial herb | 1 |
| Eriogonum umbellatum | Sulphur buckwheat | Perennial herb | 26 |
| Eriogonum umbellatum var. covillei | Coville's sulphur buckwheat | Perennial herb | |
| Eriogonum umbellatum var. dichrocephalum | Sulphur buckwheat | Perennial herb | |
| Eriogonum umbellatum var. dumosum | Many flowered sulfur flower | Perennial herb | 3 |
| Eriogonum umbellatum var. furcosum | Desert sulfur buckwheat | Perennial herb | |
| Eriogonum umbellatum var. modocense | Sulphur flower buckwheat | Perennial herb | 2 |
| Eriogonum umbellatum var. nevadense | Sierra sulfur flower | Perennial herb | 2 |
| Eriogonum umbellatum var. polyanthum | Many flowered sulfur flower | Perennial herb | 6 |
| Eriogonum ursinum | Bear buckwheat | Perennial herb | 4 |
| Eriogonum wrightii | Wright's buckwheat | Perennial herb, Shrub | 6 |
| Eriogonum wrightii var. subscaposum | Wright's buckwheat | Perennial herb, Shrub | 3 |
| Eriogonum wrightii var. wrightii | Wright's buckwheat | Perennial herb, Shrub | 1 |
| 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 | 27 |
| 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 | |
| Erysimum argillosum | Western wallflower | Perennial herb | |
| Erysimum capitatum | Wallflower | Perennial herb | 10 |
| Erysimum capitatum var. angustatum | Contra costa wallflower | Perennial herb | 1 |
| Erysimum capitatum var. bealianum | Western wallflower | Perennial herb | 1 |
| Erysimum capitatum var. capitatum | Sanddune wallflower | Perennial herb | 1 |
| Erysimum capitatum var. lompocense | San luis obispo wallflower | Perennial herb | 1 |
| Erysimum capitatum var. perenne | Sanddune wallflower | Perennial herb | |
| Erysimum capitatum var. purshii | Pursh's wallflower | Perennial herb | |
| Erysimum perenne | Sanddune wallflower | Perennial herb | |
| Erythranthe cardinalis | Cardinal monkey flower | Perennial herb | 42 |
| Erythranthe lewisii | Lewis' monkey flower | Perennial herb | 12 |
| Erythranthe moschata | Musk monkeyflower | Perennial herb | 1 |
| Erythranthe nasuta | Perennial herb | ||
| Erythranthe primuloides | Primrose monkeyflower | Perennial herb | |
| Erythranthe tilingii | Larger mountain monkeyflower | Perennial herb | 3 |
| Eschscholzia californica ssp. californica | California poppy | Perennial herb | 2 |
| Eschscholzia procera | Kernville poppy | Perennial herb | 2 |
| Eucephalus breweri | Brewer's aster | Perennial herb | |
| Eurybia integrifolia | Thickstem aster | Perennial herb | |
| Euthamia occidentalis | Western goldenrod | Perennial herb | 16 |
| Festuca brachyphylla | Alpine fescue | Perennial grass | 2 |
| Festuca brachyphylla ssp. breviculmis | Short leaved fescue | Perennial grass | 1 |
| Festuca brachyphylla ssp. coloradensis | Colorado fescue | Perennial grass | |
| Festuca idahoensis | Blue fescue | Perennial grass | 53 |
| Festuca kingii | Spike fescue | Perennial grass | |
| Festuca minutiflora | Small flowered fescue | Perennial grass | |
| Festuca roemeri var. klamathensis | Idaho fescue | Perennial grass | 48 |
| Festuca rubra | Red fescue | Perennial grass | 40 |
| Festuca saximontana | Rocky mountain fescue | Perennial grass | 1 |
| Festuca saximontana var. purpusiana | Rocky mountain fescue | Perennial grass | 1 |
| Festuca viridula | Mountain bunch fescue | Perennial grass | |
| Fragaria virginiana | Mountain strawberry | Perennial herb | 12 |
| Frasera speciosa | Monument plant | Perennial herb | |
| Fritillaria atropurpurea | Spotted mountain bells | Perennial herb | 2 |
| Fritillaria pinetorum | Pine woods fritillary | Perennial herb | |
| Galium hypotrichium | Alpine bedstraw | Perennial herb | |
| Galium hypotrichium ssp. ebbettsense | Alpine bedstraw | Perennial herb | |
| Galium hypotrichium ssp. hypotrichium | Alpine 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 | |
| Gentiana affinis | Pleated gentian | Perennial herb | 1 |
| Gentiana affinis var. ovata | Gentian | Perennial herb | 1 |
| Gentiana affinis var. parvidentata | Small toothed prairie gentian | Perennial herb | 1 |
| Gentiana calycosa | Rainier pleated gentian | Perennial herb | |
| Gentiana newberryi | Alpine gentian | Perennial herb | 2 |
| Gentiana newberryi var. tiogana | Sierra alpine gentian | Perennial herb | |
| Geranium californicum | California geranium | Perennial herb | 1 |
| Geranium concinnum | California mountain geranium | Perennial herb | 1 |
| Geranium richardsonii | Richardson's geranium | 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 |
| Glyceria elata | Tall mannagrass | Perennial grass | 8 |
| Glyceria striata | Fowl mannagrass | Perennial grass | 8 |
| Gnaphalium canescens | Everlasting cudweed | Perennial herb | 3 |
| Gnaphalium canescens ssp. beneolens | Cudweed | Perennial herb | 1 |
| Gnaphalium canescens ssp. thermale | Small headed cudweed | Perennial herb | |
| Grindelia camporum | Gumweed | Perennial herb | 14 |
| Grindelia hirsutula | Gumweed | Perennial herb | 12 |
| Grindelia hirsutula var. davyi | Davy's gumweed | Perennial herb | 14 |
| Grindelia nana | Idaho gumweed | Perennial herb | |
| Hackelia floribunda | Many flowered stickseed | Perennial herb | |
| Hackelia micrantha | Jessica's stickseed | Perennial herb | |
| Hackelia mundula | Pink stickseed | Perennial herb | |
| Hackelia nervosa | Sierran stickseed | Perennial herb | |
| Hackelia velutina | Velvety stickseed | Perennial herb | |
| Hazardia whitneyi | Whitney's bristleweed | Perennial herb | |
| Hazardia whitneyi var. whitneyi | Whitney's goldenbush | Perennial herb | |
| Heracleum lanatum | Cow parsnip | Perennial herb | 21 |
| Heracleum maximum | Common cow parsnip | Perennial herb | 21 |
| 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 |
| 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. villosa | Hairy goldenaster | Perennial herb | |
| Heuchera micrantha | Alum root | Perennial herb | 34 |
| Heuchera micrantha var. erubescens | Crevice alumroot | Perennial herb | 31 |
| 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 |
| Hieracium albiflorum | White flowered hawkweed | Perennial herb | 1 |
| Hieracium gracile | Alpine hawkweed | Perennial herb | |
| Hieracium horridum | Shaggy hawkweed | Perennial herb | |
| Hieracium triste | Woolly hawkweed | Perennial herb | |
| Hordeum brachyantherum | Meadow barley | Perennial grass | 25 |
| Hordeum brachyantherum ssp. brachyantherum | Meadow barley | Perennial grass | 4 |
| Hordeum brachyantherum ssp. californicum | Meadow barley | Perennial grass | 7 |
| Hordeum jubatum | Fox tail barley | Perennial grass | 8 |
| Hordeum jubatum ssp. jubatum | Foxtail barley, squirreltail barley | Perennial grass | |
| Horkelia fusca | Tawny horkelia | Perennial herb | |
| Horkelia fusca ssp. parviflora | Dusky horkelia | Perennial herb | |
| Horkelia fusca var. parviflora | Tawny horkelia | Perennial herb | |
| Horkelia tridentata | Three toothed horkelia | Perennial herb | |
| Hosackia crassifolia | Broad leaved lotus | Perennial herb | 6 |
| Hosackia crassifolia var. crassifolia | Broad leaved lotus | Perennial herb | 2 |
| Hosackia oblongifolia | Narrow leaved lotus | Perennial herb | 2 |
| Hosackia oblongifolia var. oblongifolia | Narrow leaved lotus | Perennial herb | 1 |
| Hosackia pinnata | Pinnate lotus | Perennial herb | |
| Hulsea algida | High mountain hulsea | 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 hoopesii | Owl's claws | Perennial herb | 10 |
| 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 |
| Ionactis alpina | Lava aster | Perennial herb | |
| 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. montana | Mountain ball headed gilia | Perennial herb | |
| Ipomopsis congesta ssp. palmifrons | Ball headed gilia | Perennial herb | |
| Iris missouriensis | Western blue flag | Perennial herb | 25 |
| Ivesia gordonii | Alpine ivesia | Perennial herb | |
| Ivesia gordonii var. alpicola | Alpine ivesia | Perennial herb | |
| Ivesia lycopodioides | Clubmoss ivesia | Perennial herb | |
| Ivesia santolinoides | Mouse tail ivesia | Perennial herb | |
| Ivesia shockleyi | Sky mousetail | Perennial herb | |
| Ivesia shockleyi var. shockleyi | Shockley's ivesia | Perennial herb | |
| Juncus balticus | Wire rush | Perennial grass | 20 |
| Juncus balticus ssp. ater | Baltic rush | Perennial grass | 2 |
| Juncus bufonius var. occidentalis | Round fruited toad rush | Perennial grass | |
| Juncus chlorocephalus | Green headed rush | Perennial grass | |
| Juncus drummondii | Drummond's rush | Perennial grass | |
| Juncus effusus | Common bog rush | Perennial grass | 43 |
| Juncus effusus ssp. pacificus | Pacific rush | Perennial grass | 6 |
| Juncus effusus var. pacificus | Pacific bog rush | Perennial grass | 6 |
| Juncus ensifolius | Sword leaved rush | Perennial grass | 7 |
| Juncus mertensianus | Merten's rush | Perennial grass | 1 |
| Juncus mexicanus | Mexican rush | Perennial grass | 10 |
| Juncus nevadensis | Sierra rush | Perennial grass | 1 |
| Juncus nevadensis var. nevadensis | Nevada or sierran rush | Perennial grass | |
| Juncus occidentalis | Slender juncus | Perennial grass | 4 |
| Juncus orthophyllus | Straight leaved rush | Perennial grass | 1 |
| Juncus parryi | Parry's rush | Perennial grass | |
| Juncus phaeocephalus | Brown headed rush | Perennial grass | 10 |
| Juncus phaeocephalus var. paniculatus | Rush | Perennial grass | |
| Juncus xiphioides | Iris leaved rush | Perennial grass | 16 |
| Kelloggia galioides | Kelloggia | Perennial herb | |
| Kyhosia bolanderi | Bolander's madia | Perennial herb | |
| Lathyrus jepsonii | Tule pea | Perennial herb | 2 |
| Lemna minor | Smaller duckweed | Perennial herb | 3 |
| Lemna trisulca | Star duckweed | Perennial herb | |
| Lemna turionifera | Turion duckweed | Perennial herb | |
| Leptosiphon nuttallii | Nuttall's linanthus | Perennial herb | 2 |
| Leptosiphon pachyphyllus | Sierra linanthus | Perennial herb | |
| Lesquerella kingii | King's bladderpod | Perennial herb | |
| Lesquerella occidentalis ssp. occidentalis | Western bladder pod | Perennial herb | |
| Lewisia kelloggii | Kellogg's lewisia | Perennial herb | |
| Lewisia kelloggii ssp. hutchisonii | Sierra valley lewisia | Perennial herb | |
| Lewisia kelloggii ssp. kelloggii | Kellogg's lewisia | Perennial herb | |
| Lewisia nevadensis | Sierra lewisia | Perennial herb | 2 |
| Lewisia pygmaea | Pigmy bitter root | Perennial herb | 3 |
| Lewisia rediviva | Bitter root | Perennial herb | 4 |
| Lewisia rediviva var. rediviva | Bitter root | Perennial herb | |
| Lewisia triphylla | Three leaved lewisia | Perennial herb | |
| Leymus cinereus | Giant wild rye | Perennial grass | 8 |
| Leymus triticoides | Alkali rye | Perennial grass | 31 |
| Ligusticum grayi | Gray's lovage | Perennial herb | |
| Lilium parvum | Sierra tiger lily | Perennial herb | 4 |
| Linanthus nuttallii | Nuttall's linanthus | Perennial herb | 2 |
| Linanthus pachyphyllus | Sierra linanthus | Perennial herb | |
| Linum lewisii | Lewis' flax | Perennial herb | 39 |
| Linum lewisii var. alpicola | Alpine lewis' flax | Perennial herb | 1 |
| Linum lewisii var. lewisii | Lewis' flax | Perennial herb | 5 |
| Lithophragma glabrum | Bulbed woodland star | Perennial herb | |
| Lithophragma tenellum | Woodland star | Perennial herb | |
| Lomatium austiniae | Plummer's lomatium | Perennial herb | |
| Lomatium caruifolium | Caraway leaved lomatium | Perennial herb | |
| Lomatium caruifolium var. caruifolium | Caraway leaved lomatium | Perennial herb | |
| Lomatium caruifolium var. denticulatum | Caraway leaved lomatium | Perennial herb | |
| Lomatium dissectum | Fern leaved lomatium | Perennial herb | 3 |
| Lomatium dissectum var. dissectum | Fern leaved lomatium | Perennial herb | 1 |
| Lomatium dissectum var. multifidum | Fern leaved lomatium | Perennial herb | 1 |
| Lomatium donnellii | Donnell's biscuitroot | Perennial herb | |
| Lomatium multifidum | Fern leaved lomatium | Perennial herb | 1 |
| Lomatium nevadense | Nevada lomatium | Perennial herb | |
| Lomatium nevadense var. nevadense | Nevada lomatium | Perennial herb | |
| Lomatium plummerae | Plummer's lomatium | Perennial herb | |
| Lotus crassifolius | Broad leaved lotus | Perennial herb | 7 |
| Lotus crassifolius var. crassifolius | Broad leaved lotus | Perennial herb | 2 |
| Lotus nevadensis | Sierra lotus | Perennial herb | |
| Lotus nevadensis var. nevadensis | Sierra nevada lotus | Perennial herb | |
| Lotus oblongifolius | Narrow leaved lotus | Perennial herb | |
| Lotus oblongifolius var. oblongifolius | Narrow leaved lotus | Perennial herb | 1 |
| Lotus pinnatus | Pinnate lotus | Perennial herb | |
| Lotus scoparius | Deerweed | Perennial herb | 22 |
| Lupinus adsurgens | Drew's silky lupine | Perennial herb | |
| Lupinus adsurgens var. undulatus | Drew's silky lupine | Perennial herb | |
| Lupinus albicaulis | White stemmed lupine | Perennial herb | 8 |
| Lupinus albicaulis var. albicaulis | Sicklekeel lupine | Perennial herb | |
| Lupinus andersonii | Anderson's lupine | Perennial herb | |
| Lupinus angustiflorus | Narrow flowered lupine | Perennial herb | |
| Lupinus apertus | Naked lupine | Perennial herb | |
| Lupinus arbustus | Long spurred lupine | Perennial herb | |
| Lupinus argenteus | Silvery lupine | Perennial herb | 7 |
| 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 argenteus var. montigenus | Silvery lupine | Perennial herb | |
| Lupinus argenteus var. palmeri | Palmer's silver lupine | Perennial herb | |
| Lupinus breweri | Brewer's lupine | Perennial herb | 2 |
| Lupinus breweri var. breweri | Brewer's lupine | Perennial herb | |
| Lupinus dalesiae | Quincy lupine | Perennial herb | |
| Lupinus fulcratus | Green stipuled lupine | Perennial herb | |
| Lupinus grayi | Gray's lupine | Perennial herb | 2 |
| Lupinus latifolius | Broad leaf lupine | Perennial herb | 9 |
| Lupinus latifolius var. columbianus | Broad leaved lupine | Perennial herb | |
| Lupinus latifolius var. latifolius | Broad leaf lupine | Perennial herb | |
| Lupinus lepidus | Tidy lupine | Perennial herb | 1 |
| Lupinus lepidus var. confertus | Clustered tidy lupine | Perennial herb | |
| Lupinus lepidus var. culbertsonii | Hockett meadows lupine | Perennial herb | |
| Lupinus lepidus var. lobbii | Lobb's lupine | Perennial herb | |
| Lupinus lepidus var. ramosus | Branched tidy lupine | Perennial herb | |
| Lupinus lepidus var. sellulus | Stool lupine | Perennial herb | |
| Lupinus polyphyllus | Bog lupine | Perennial herb | 27 |
| Lupinus polyphyllus var. burkei | Large leaved lupine | Perennial herb | 6 |
| Lupinus pratensis | Inyo meadow lupine | Perennial herb | |
| Lupinus pratensis var. pratensis | Inyo meadow lupine | Perennial herb | |
| Lupinus rivularis | Riverbank lupine | Perennial herb | 8 |
| Luzula comosa | Hairy wood rush | Perennial grass | 4 |
| Luzula comosa var. comosa | Hairy wood rush | Perennial grass | |
| Luzula comosa var. laxa | Hairy wood rush | Perennial grass | 3 |
| Luzula divaricata | Forked wood rush | Perennial grass | |
| Luzula parviflora | Small flowered wood rush | Perennial grass | 2 |
| Luzula parviflora ssp. fastigiata | Forked wood rush | Perennial grass | |
| Luzula spicata | Spiked wood rush | Perennial grass | |
| Luzula subcongesta | Donner wood rush | Perennial grass | |
| Machaeranthera canescens | Hoary aster | Perennial herb | 1 |
| Machaeranthera canescens var. canescens | Hoary aster | Perennial herb | |
| Machaeranthera canescens var. shastensis | Shasta aster | Perennial herb | |
| Madia bolanderi | Bolander's tarweed | Perennial herb | |
| Maianthemum racemosum | Feathery false lily of the valley | Perennial herb | 19 |
| Maianthemum stellatum | Starry false lily of the valley | Perennial herb | 17 |
| Melica aristata | Awned melic | Perennial grass | 1 |
| Melica bulbosa | Oniongrass | Perennial grass | 1 |
| Melica californica | California melic | Perennial grass | 26 |
| Melica fugax | Small onion grass | Perennial grass | |
| Melica stricta | Nodding melica | Perennial grass | |
| Melica subulata | Alaska melic | Perennial grass | 1 |
| Mentha arvensis | American wild mint | Perennial herb | 6 |
| Mentha canadensis | Wild mint | Perennial herb | 6 |
| Mentzelia laevicaulis | Giant blazingstar | Perennial herb | 6 |
| Mertensia ciliata | Ciliate lungwort | Perennial herb | |
| Mertensia ciliata var. stomatechoides | Streamside bluebells | Perennial herb | |
| Mertensia oblongifolia | Sagebrush bluebells | Perennial herb | |
| Mertensia oblongifolia var. nevadensis | Sagebrush bluebells | Perennial herb | |
| Micranthes aprica | Sierra 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 nutans | Nodding microceris | Perennial herb | |
| Mimulus cardinalis | Cardinal monkey flower | Perennial herb | 42 |
| Mimulus lewisii | Lewis' monkey flower | Perennial herb | 12 |
| Mimulus moschatus | Musk monkeyflower | Perennial herb | 1 |
| Mimulus primuloides | Primrose monkeyflower | Perennial herb | 3 |
| Mimulus primuloides ssp. primuloides | Primrose monkeyflower | Perennial herb | |
| Mimulus primuloides var. pilosellus | Primrose monkeyflower | Perennial herb | |
| Mimulus primuloides var. primuloides | Primrose monkeyflower | Perennial herb | |
| Mimulus tilingii | Larger mountain monkeyflower | Perennial herb | 3 |
| Minuartia nuttallii | Nuttall sandwort | Perennial herb | |
| Minuartia nuttallii ssp. gracilis | Nuttall's sandwort | Perennial herb | |
| Minuartia nuttallii var. gracilis | Nuttall sandwort | Perennial herb | |
| Minuartia obtusiloba | Alpine sandwort | Perennial herb | 1 |
| Minuartia rubella | Red seeded sandwort | Perennial herb | 1 |
| Mitella breweri | Brewer's miterwort | Perennial herb | |
| Mitella pentandra | Alpine bishop's cap | Perennial herb | 1 |
| Monardella glauca | Grey monardella | Perennial herb | 1 |
| Monardella odoratissima | Mountain monardella | Perennial herb | 21 |
| 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 sheltonii | Shelton's coyote mint | Perennial herb | 1 |
| Monardella villosa | Coyote mint | Perennial herb | 29 |
| Montia chamissoi | Spring beauty | Perennial herb | |
| Montia parvifolia | Showy rock montia | Perennial herb | 4 |
| Muhlenbergia asperifolia | Scratchgrass | Perennial grass | 1 |
| Muhlenbergia richardsonis | Richardson's muhly | Perennial grass | |
| Muilla transmontana | Great basin muilla | Perennial herb | |
| Myosotis laxa | Forget me not | Perennial herb | |
| Myriophyllum sibiricum | Siberian water milfoil | Perennial herb (aquatic) | |
| Nasturtium officinale | Watercress | Perennial herb (aquatic) | 3 |
| Nothocalais alpestris | Alpine prairie dandelion | Perennial herb | |
| 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 | 18 |
| Oenothera elata ssp. hirsutissima | Evening primrose | Perennial herb | 3 |
| Oreostemma alpigenum | Tundra aster | Perennial herb | 3 |
| Oreostemma alpigenum var. andersonii | Tundra aster | Perennial herb | 1 |
| Orobanche californica | California orobanche | Perennial herb (parasitic) | |
| Orobanche californica ssp. feudgei | California broomrape | Perennial herb (parasitic) | |
| Orobanche californica ssp. grayana | Gray's california broom rape | Perennial herb (parasitic) | |
| Orobanche fasciculata | Clustered broomrape | Perennial herb (parasitic) | |
| Orobanche uniflora | Naked broom rape | Perennial herb (parasitic) | |
| Orobanche uniflora var. purpurea | Naked broom rape | Perennial herb (parasitic) | |
| Orthilia secunda | One sided wintergreen | Perennial herb | |
| Osmorhiza berteroi | Sweet cicely | Perennial herb | 3 |
| Osmorhiza chilensis | Western sweet cicely | Perennial herb | 3 |
| Osmorhiza occidentalis | Western sweet cicely | Perennial herb | 2 |
| Oxypolis occidentalis | Western cow bane | Perennial herb | |
| Oxyria digyna | Alpine mountain sorrel | Perennial herb | |
| Packera cana | Woolly 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 streptanthifolia var. streptanthifolia | Rocky mountain groundsel | Perennial herb | |
| Packera subnuda | Buek's groundsel | Perennial herb | |
| Packera subnuda var. subnuda | Cleftleaf groundsel | Perennial herb | |
| Packera werneriifolia | Hoary groundsel | Perennial herb | |
| Paeonia brownii | Peony | Perennial herb | 1 |
| Parnassia californica | Grass of parnassus | Perennial herb | |
| Parnassia palustris | Marsh grass of parnassus | Perennial herb | |
| Pectiantia breweri | Brewer's miterwort | Perennial herb | |
| Pectiantia pentandra | Alpine mitrewort | Perennial herb | 1 |
| Pedicularis attollens | Attol lousewort | Perennial herb | |
| Pedicularis densiflora | Indian warrior | Perennial herb | 1 |
| Pedicularis groenlandica | Elephant head lousewort | Perennial herb | 2 |
| Pedicularis semibarbata | Pine woods lousewort | Perennial herb | |
| Penstemon azureus | Blue penstemon | Perennial herb | 12 |
| 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. deustus | Scabland penstemon | Perennial herb | |
| Penstemon deustus var. pedicellatus | Hot rock beardtongue | Perennial herb | |
| Penstemon deustus var. suffrutescens | Hot rock beardtongue | Perennial herb | |
| Penstemon gracilentus | Slender beardtongue | Perennial herb | 1 |
| Penstemon grinnellii | Grinnell's beardtongue | Perennial herb | 10 |
| Penstemon heterodoxus | Sierra penstemon | Perennial herb | |
| Penstemon heterodoxus var. cephalophorus | Sierra beardtongue | Perennial herb | |
| Penstemon heterodoxus var. heterodoxus | Sierra beardtongue | Perennial herb | |
| Penstemon laetus | Mountain blue penstemon | Perennial herb | 1 |
| Penstemon newberryi | Mountain pride | Perennial herb | 15 |
| Penstemon newberryi var. newberryi | Newberry's penstemon | Perennial herb | 1 |
| Penstemon parvulus | Short stalk penstemon | Perennial herb | 1 |
| Penstemon procerus | Small flowered penstemon | Perennial herb | 7 |
| Penstemon procerus var. brachyanthus | Small flowered penstemon | Perennial herb | 1 |
| Penstemon procerus var. formosus | Western small flowered penstemon | Perennial herb | 3 |
| Penstemon roezlii | Regel's mountain penstemon | Perennial herb | 1 |
| Penstemon rostriflorus | Bridge's penstemon | Perennial herb | 8 |
| Penstemon rydbergii | Rydberg's penstemon | Perennial herb | 23 |
| Penstemon rydbergii var. oreocharis | Meadow beardtongue | Perennial herb | 1 |
| Penstemon speciosus | Showy penstemon | Perennial herb | 13 |
| Perideridia bolanderi | Bolander's yampah | Perennial herb | 2 |
| Perideridia bolanderi ssp. bolanderi | Bolander's yampah | Perennial herb | |
| Perideridia lemmonii | Lemmon's yampah | Perennial herb | |
| Perideridia parishii | Parish's yampah | Perennial herb | |
| Perideridia parishii ssp. latifolia | Parish's yampah | Perennial herb | |
| Persicaria amphibia | Water smartweed | Perennial herb (aquatic) | 2 |
| Persicaria punctata | Dotted smartweed | Perennial herb | 4 |
| Phacelia corymbosa | Serpentine phacelia | Perennial herb | |
| Phacelia hastata | White leafed phacelia | Perennial herb | |
| Phacelia hastata ssp. compacta | Timberline phacelia | Perennial herb | |
| Phacelia hastata var. compacta | Timberline 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 ramosissima | Branching phacelia | Perennial herb | 3 |
| Phacelia ramosissima var. eremophila | Branching phacelia | Perennial herb | 3 |
| Phacelia ramosissima var. montereyensis | Monterey branching phacelia | Perennial herb | 3 |
| Phacelia ramosissima var. subglabra | Branching phacelia | Perennial herb | 3 |
| Phalaris arundinacea | Reed canarygrass | Perennial grass | 8 |
| Phleum alpinum | Timothy grass | Perennial grass | 2 |
| Phlox caespitosa | Tufted phlox | Perennial herb | |
| Phlox condensata | Condensed 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 longifolia ssp. brevifolia | Longleaf phlox | Perennial herb | |
| Phlox pulvinata | Carpet phlox | Perennial herb | 1 |
| Phlox stansburyi | Cold desert phlox | Perennial herb | |
| Phlox stansburyi var. brevifolia | Cold-desert phlox | Perennial herb | |
| Phlox viridis ssp. compacta | Green phlox | Perennial herb | |
| Phoenicaulis cheiranthoides | Dagger pod | Perennial herb | 1 |
| Phragmites australis | Common reed | Perennial grass | 1 |
| Physaria kingii | King's bladderpod | Perennial herb | |
| Physaria occidentalis | Western bladderpod | Perennial herb | |
| Physaria occidentalis ssp. occidentalis | Western bladder pod | Perennial herb | |
| Piperia transversa | Mountain piperia | Perennial herb | |
| Piperia unalascensis | Alaska piperia | Perennial herb | |
| Platanthera dilatata | Scentbottle | Perennial herb | |
| Platanthera dilatata var. leucostachys | Sierra bog orchid | Perennial herb | |
| Platanthera leucostachys | White flowered bog orchid | Perennial herb | |
| Platanthera sparsiflora | Bog orchid | Perennial herb | |
| Pleiacanthus spinosus | Thorn skeletonweed | Perennial herb | |
| 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 fendleriana | Muttongrass | Perennial grass | 4 |
| Poa fendleriana ssp. longiligula | Fendler's blue grass | Perennial grass | |
| Poa glauca | Glaucous bluegrass | Perennial grass | |
| Poa glauca ssp. rupicola | Timberline blue grass | Perennial grass | |
| Poa juncifolia | Western blue grass | Perennial grass | 14 |
| Poa keckii | Keck's blue grass | Perennial grass | |
| Poa leptocoma | Marsh bluegrass | Perennial grass | |
| Poa nevadensis | Sierra blue grass | Perennial grass | 14 |
| Poa pratensis ssp. agassizensis | Agassiz kentucky blue grass | Perennial grass | |
| Poa pringlei | Pringle's blue grass | Perennial grass | |
| Poa secunda | Pine bluegrass | Perennial grass | 17 |
| Poa secunda ssp. juncifolia | Rush blue grass | Perennial grass | 14 |
| Poa secunda ssp. secunda | Sandberg's bluegrass | Perennial grass | 18 |
| Poa stebbinsii | Stebbins' blue grass | Perennial grass | |
| Poa wheeleri | Hooker's bluegrass | Perennial grass | 1 |
| Podistera nevadensis | Sierra podistera | Perennial herb | |
| Polemonium californicum | California polemonium | Perennial herb | 2 |
| Polemonium occidentale | Great polemonium | Perennial herb | 3 |
| Polemonium occidentale ssp. occidentale | Western polemonium | Perennial herb | 2 |
| Polemonium pulcherrimum | Sky pilot | Perennial herb | 3 |
| Polemonium pulcherrimum var. pilosum | White flowered sky pilot | Perennial herb | |
| Polemonium pulcherrimum var. pulcherrimum | Sky pilot | 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 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 gramineus | Grass leaf pondweed | Perennial herb (aquatic) | |
| Potamogeton robbinsii | Robbins's pondweed | Perennial herb (rhizomatous) | |
| Potentilla biennis | Biennial cinquefoil | Perennial herb | 1 |
| Potentilla breweri | Brewer's cinquefoil | Perennial herb | 1 |
| Potentilla bruceae | Bruce's cinquefoil | Perennial herb | 1 |
| Potentilla drummondii | Drummond's cinquefoil | Perennial herb | 2 |
| Potentilla drummondii ssp. breweri | Brewer's cinquefoil | Perennial herb | 1 |
| Potentilla drummondii ssp. bruceae | Bruce's cinquefoil | Perennial herb | 1 |
| Potentilla flabellifolia | Fan leaved cinquefoil | Perennial herb | |
| Potentilla glandulosa | Gland cinquefoil | Perennial herb | 14 |
| Potentilla glandulosa ssp. ashlandica | Mountain 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. reflexa | Sticky cinquefoil | Perennial herb | |
| Potentilla gracilis | Northwest cinquefoil | Perennial herb | 15 |
| Potentilla gracilis var. elmeri | Elmer's cinquefoil | Perennial herb | 1 |
| Potentilla gracilis var. fastigiata | Slender cinquefoil | Perennial herb | 1 |
| Potentilla gracilis var. gracilis | Slender cinquefoil | Perennial herb | |
| Potentilla palustris | Marsh cinquefoil | Perennial herb | 5 |
| Primula jeffreyi | Sierra shooting star | Perennial herb | 3 |
| Primula subalpina | Sierra shooting star | Perennial herb | |
| Primula suffrutescens | Sierran primrose | Perennial herb | |
| Primula tetrandra | Alpine shooting star | Perennial herb | 2 |
| Prunella vulgaris | Self heal | Perennial herb | 19 |
| Prunella vulgaris var. lanceolata | Mountain selfheal | Perennial herb | 8 |
| Pseudognaphalium beneolens | Cudweed | Perennial herb | 1 |
| Pseudognaphalium canescens | Wright's cudweed | Perennial herb | 2 |
| Pseudognaphalium canescens ssp. beneolens | Wright's cudweed | Perennial herb | 1 |
| Pseudognaphalium canescens ssp. canescens | Wright's cudweed | Perennial herb | |
| Pseudognaphalium canescens ssp. 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 | |
| Pterospora andromedea | Pine drops | Perennial herb (parasitic) | |
| Puccinellia californica | Sierra nevada alkali grass | Perennial grass (rhizomatous) | |
| Pyrola aphylla | Leafless wintergreen | Perennial herb | |
| Pyrola dentata | Toothed wintergreen | Perennial herb | |
| Pyrola minor | Lesser wintergreen | Perennial herb | |
| Pyrola picta | White veined shinleaf | Perennial herb | |
| Pyrrocoma apargioides | Alpine pyrrocoma | Perennial herb | 1 |
| Pyrrocoma lanceolata | Intermountain pyrrocoma | Perennial herb | |
| Pyrrocoma lanceolata var. lanceolata | Intermountain pyrrocoma | Perennial herb | |
| Raillardella argentea | Silky raillardella | Perennial herb | |
| Raillardella scaposa | Green leaved 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 andersonii | Anderson's buttercup | Perennial herb | |
| Ranunculus aquatilis | white water butter cup | Perennial herb (aquatic) | |
| Ranunculus aquatilis var. aquatilis | White water butter cup | Perennial herb (aquatic) | |
| Ranunculus aquatilis var. capillaceus | Threadleaf crowfoot | Perennial herb (aquatic) | |
| Ranunculus aquatilis var. diffusus | white water butter cup | Perennial herb (aquatic) | |
| Ranunculus aquatilis var. hispidulus | White water crowfoot | Perennial herb (aquatic) | |
| Ranunculus aquatilis var. subrigidus | Longbeak buttercup | Perennial herb (aquatic) | |
| Ranunculus cymbalaria | Alkali buttercup | Perennial herb | |
| Ranunculus cymbalaria var. saximontanus | Rocky mountain buttercup | Perennial herb | |
| Ranunculus eschscholtzii | Eschscholtz's buttercup | Perennial herb | |
| Ranunculus eschscholtzii var. oxynotus | Eschscholtz's 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 longirostris | Longbeak buttercup | Perennial herb (aquatic) | |
| Ranunculus occidentalis | Western buttercup | Perennial herb | 6 |
| Ranunculus occidentalis var. ultramontanus | Western buttercup | Perennial herb | |
| Ranunculus orthorhynchus | Bloomer's buttercup | Perennial herb | |
| Rhodiola integrifolia | Ledge stonecrop | Perennial herb | 1 |
| Rhodiola integrifolia ssp. integrifolia | Ledge stonecrop | Perennial herb | |
| Rorippa nasturtium-aquaticum | Water cress | Perennial herb (aquatic) | 3 |
| Rudbeckia californica | California cone flower | Perennial herb | 6 |
| Rudbeckia occidentalis | Western coneflower | Perennial herb | 10 |
| Rudbeckia occidentalis var. occidentalis | Western cone flower | Perennial herb | 10 |
| Rumex californicus | California dock | Perennial herb | |
| Rumex paucifolius | Few leaved dock | Perennial herb | |
| Rumex salicifolius | Willow leaved dock | Perennial herb | 6 |
| Rumex salicifolius var. denticulatus | Smooth valved willow dock | Perennial herb | |
| Rumex salicifolius var. salicifolius | Willow dock | Perennial herb | 6 |
| Rumex salicifolius var. triangulivalvis | Willow dock | Perennial herb | |
| Rumex triangulivalvis | Willow dock | Perennial herb | |
| Rumex utahensis | Toothed willow dock | Perennial herb | |
| Sagina procumbens | Arctic pearlwort | Perennial herb | |
| Sagina saginoides | Alpine pearlwort | Perennial herb | |
| Sagittaria cuneata | Tule potato | Perennial herb | 1 |
| Sanicula bipinnata | Poison sanicle | Perennial herb | |
| Sanicula graveolens | Sierra sanicle | Perennial herb | |
| Sanicula tuberosa | Turkey pea | Perennial herb | |
| Sarcodes sanguinea | Snow plant | Perennial herb (mycoparasitic) | |
| Saxifraga aprica | Sierra saxifrage | Perennial herb | |
| Saxifraga nidifica | Peak saxifrage | Perennial herb | |
| Saxifraga nidifica var. nidifica | Peak saifrage | Perennial herb | |
| Saxifraga odontoloma | Brook saxifrage | Perennial herb | 1 |
| Saxifraga oregana | Bog saxifrage | Perennial herb | |
| Saxifraga tolmiei | Tolmie's saxifrage | Perennial herb | |
| Schoenoplectus americanus | Chairmaker's bulrush | Perennial grass | 17 |
| Scirpus americanus | American tule | Perennial grass | 17 |
| Scirpus clementis | Yosemite bulrush | Perennial grass | |
| Scirpus congdonii | Congdon's bulrush | Perennial grass | |
| Scirpus microcarpus | Small fruited bulrush | Perennial grass | 19 |
| Scrophularia californica | California bee plant | Perennial herb | 31 |
| Scrophularia desertorum | Desert figwort | Perennial herb | |
| Sedum lanceolatum | Lance leaf stonecrop | Perennial herb | 4 |
| Sedum obtusatum | Sierra stonecrop | Perennial herb | 7 |
| Sedum obtusatum ssp. boreale | Small flowered sierra stonecrop | Perennial herb | 1 |
| Sedum obtusatum ssp. obtusatum | Sierra stonecrop | Perennial herb | |
| Sedum roseum ssp. integrifolium | Rosy stonecrop | Perennial herb | |
| Sedum spathulifolium | Pacific stonecrop | Perennial herb | 29 |
| Senecio aronicoides | Butterweed | Perennial herb | |
| Senecio canus | Woolly ragwort | Perennial herb | |
| Senecio cymbalarioides | Cleft leaved groundsel | Perennial herb | |
| Senecio fremontii | Fremont's groundsel | Perennial herb | |
| Senecio fremontii var. occidentalis | Western fremont's groundsel | Perennial herb | |
| Senecio integerrimus | Mountain butterweed | Perennial herb | |
| Senecio integerrimus var. exaltatus | Columbia mountain butterweed | Perennial herb | |
| Senecio integerrimus var. major | Lambstongue groundsel | Perennial herb | |
| Senecio pauciflorus | Rayless alpine ragwort | Perennial herb | |
| Senecio pseudaureus var. pseudaureus | Streambank butterweed | Perennial herb | |
| Senecio scorzonella | Sierra ragwort | Perennial herb | |
| Senecio serra | Tall ragwort | Perennial herb | |
| Senecio serra var. serra | Tall ragwort | Perennial herb | |
| Senecio streptanthifolius | Cleft leaved groundsel | Perennial herb | |
| Senecio triangularis | Groundsel | Perennial herb | |
| Senecio werneriifolius | Alpine rock butterweed | Perennial herb | |
| Sibbaldia procumbens | Sibbaldia | Perennial herb | |
| Sidalcea asprella | Harsh checker mallow | Perennial herb (rhizomatous) | |
| Sidalcea asprella ssp. asprella | Harsh checkerbloom, sierra foothills checkerbloom | Perennial herb | |
| Sidalcea glaucescens | Glaucous checker mallow | Perennial herb | |
| Sidalcea malviflora | Wild hollyhock | Perennial herb | 20 |
| Sidalcea malviflora ssp. asprella | Harsh checker mallow | Perennial herb (rhizomatous) | |
| Sidalcea multifida | Cut leaf checker mallow | Perennial herb | |
| Sidalcea oregana | Oregon checker mallow | Perennial herb | 4 |
| Sidalcea oregana ssp. oregana | Oregon checker mallow | Perennial herb | |
| Sidalcea oregana ssp. spicata | Oregon checker mallow | Perennial herb | 1 |
| Sidalcea reptans | Sierra checker mallow | Perennial herb | |
| Silene bernardina | Palmer's campion | Perennial herb | |
| Silene douglasii | Douglas' campion | Perennial herb | 1 |
| Silene douglasii var. douglasii | Douglas's catchfly | Perennial herb | |
| Silene invisa | Short petaled campion | Perennial herb | |
| Silene lemmonii | Lemmon's catchfly | Perennial herb | |
| Silene menziesii | Menzies' campion | Perennial herb | |
| Silene oregana | Oregon campion | Perennial herb | |
| Silene sargentii | Sargent's campion | Perennial herb | 1 |
| Sisyrinchium bellum | Blue eyed grass | Perennial herb | 64 |
| Sisyrinchium elmeri | Elmer's golden eyed grass | Perennial herb | 1 |
| Sisyrinchium idahoense | Idaho blue eyed grass | Perennial herb | 5 |
| Sisyrinchium idahoense var. idahoense | Idaho blue eyed grass | Perennial herb | 1 |
| Sisyrinchium idahoense var. occidentale | Idaho blue eyed grass | Perennial herb | |
| Smilacina racemosa | Western false solomon's seal | Perennial herb | 19 |
| Smilacina stellata | Star flowered false solomon's seal | Perennial herb | 17 |
| Solidago altissima | Canada goldenrod | Perennial herb | |
| Solidago altissima var. altissima | Late goldenrod | Perennial herb | |
| Solidago canadensis | Canada goldenrod | Perennial herb | 16 |
| Solidago canadensis ssp. elongata | Canada goldenrod | Perennial herb | 4 |
| Solidago canadensis var. salebrosa | Rough canada goldenrod | Perennial herb | 1 |
| Solidago elongata | West coast canada goldenrod | Perennial herb | 4 |
| Solidago multiradiata | Northern goldenrod | Perennial herb | 1 |
| Solidago sparsiflora | Great basin goldenrod | Perennial herb | 5 |
| Solidago velutina | Threenerve goldenrod | Perennial herb | 9 |
| Solidago velutina ssp. sparsiflora | Great basin goldenrod | Perennial herb | 2 |
| Sparganium angustifolium | Narrow leaved bur reed | Perennial herb | 2 |
| Sparganium natans | Small bur reed | Perennial herb (rhizomatous) | |
| Sphenosciadium capitellatum | Grayswamp whiteheads | Perennial herb | 2 |
| Spiranthes porrifolia | Western ladies tresses | Perennial herb | |
| Spiranthes romanzoffiana | Ladies' tresses | Perennial herb | |
| Stachys rigida | Rough hedgenettle | Perennial herb | 3 |
| Stachys rigida var. rigida | Rough hedgenettle | Perennial herb | |
| Stellaria calycantha | Northern bogwort | Perennial herb | |
| Stellaria longipes | Longstalk starwort | Perennial herb | |
| Stellaria longipes ssp. longipes | Chickweed, starwort | Perennial herb | |
| Stellaria longipes var. longipes | Long stalked starwort | Perennial herb | |
| Stellaria umbellata | Umbellate chickweed | Perennial herb | |
| Stenotus acaulis | Stemless mock goldenweed | Perennial herb | |
| Stephanomeria lactucina | Large flowered stephanomeria | Perennial herb | |
| Stephanomeria spinosa | Thorny skeleton plant | Perennial herb | |
| Stephanomeria tenuifolia | Narrow leaved wire lettuce | Perennial herb | |
| Stipa comata | Needle-and-thread | Perennial grass | 10 |
| Stipa comata var. comata | Needle & thread grass | Perennial grass | 1 |
| Stipa hymenoides | Indian rice grass | Perennial grass | 15 |
| Stipa latiglumis | Wide-glumed needle grass | Perennial grass | |
| Stipa lemmonii | Lemmon's needle grass | Perennial grass | 1 |
| Stipa lemmonii var. lemmonii | Lemmon's needle grass | Perennial grass | |
| Stipa lettermanii | Letterman's needle grass | Perennial grass | 1 |
| Stipa nelsonii | Mountain needle grass | Perennial grass | |
| Stipa nelsonii var. dorei | Mountain needle grass | Perennial grass | 4 |
| Stipa nevadensis | Nevada needle grass | Perennial grass | |
| Stipa occidentalis | Western needlegrass | Perennial grass | 1 |
| Stipa occidentalis var. californica | California needle grass | Perennial grass | |
| Stipa occidentalis var. occidentalis | Western needle grass | Perennial grass | |
| Stipa occidentalis var. pubescens | Common western needle grass | Perennial grass | |
| Stipa pinetorum | Pinewoods needle grass | Perennial grass | |
| Stipa thurberiana | Thurber's needle grass | Perennial grass | |
| Streptanthus cordatus | Heartleaf jewelflower | Perennial herb | |
| Streptanthus cordatus var. cordatus | Heartleaf jewelflower | Perennial herb | |
| Streptanthus cordatus var. duranii | Duran's jewelflower | Perennial herb | |
| Swertia radiata | Giant frasera | Perennial herb | |
| Swertia radiata var. radiata | Elkweed | Perennial herb | |
| Symphyotrichum ascendens | Western aster | Perennial herb | 1 |
| Symphyotrichum bracteolatum | Eaton's aster | Perennial herb | 2 |
| Symphyotrichum campestre | Western meadow aster | Perennial herb | |
| Symphyotrichum campestre var. bloomeri | Bloomer's aster | Perennial herb | |
| Symphyotrichum campestre var. campestre | Western meadow aster | Perennial herb | |
| Symphyotrichum eatonii | Eaton's aster | Perennial herb | 2 |
| Symphyotrichum foliaceum | Alpine leafybract aster | Perennial herb | 2 |
| Symphyotrichum foliaceum var. apricum | Alpine leafybract aster | Perennial herb | 1 |
| Symphyotrichum foliaceum var. parryi | Parry's aster | Perennial herb | 1 |
| Symphyotrichum lanceolatum | White panicle aster | Perennial herb | |
| Symphyotrichum lanceolatum var. hesperium | Western lance leaf aster | Perennial herb | |
| Symphyotrichum spathulatum | Western mountain aster | Perennial herb | 1 |
| Symphyotrichum spathulatum var. spathulatum | Western mountain aster | Perennial herb | |
| Taraxia subacaulis | Long leaved suncup | Perennial herb | |
| Taraxia tanacetifolia | Tansy leaf evening primrose | Perennial herb | |
| Tauschia parishii | Parish's tauschia | Perennial herb | |
| Thalictrum fendleri | Fendler's meadow rue | Perennial herb | 10 |
| Thalictrum fendleri var. fendleri | Fendler's meadow rue | Perennial herb | |
| Thalictrum occidentale | Western meadow rue | Perennial herb | 6 |
| Tonestus eximius | Tahoe tonestus | Perennial herb (rhizomatous) | |
| Torreyochloa erecta | Upright mannagrass | Perennial grass | |
| Torreyochloa pallida | Pale false mannagrass | Perennial grass (rhizomatous) | |
| Torreyochloa pallida var. pauciflora | Mannagrass | Perennial grass (rhizomatous) | |
| Townsendia scapigera | Tufted townsendia | Perennial herb | |
| Toxicoscordion fremontii | Fremont's star lily | Perennial herb | 6 |
| Toxicoscordion paniculatum | Foothill deathcamas | Perennial herb | 2 |
| Toxicoscordion venenosum | Meadow deathcamas | Perennial herb | |
| Toxicoscordion venenosum var. venenosum | Meadow deathcamas | Perennial herb | |
| Trichophorum clementis | Yosemite bulrush | Perennial grass | |
| Trifolium andersonii | Anderson's clover | Perennial herb | |
| Trifolium andersonii ssp. andersonii | Anderson's clover | Perennial herb | |
| Trifolium andersonii ssp. beatleyae | Beatley's five-leaved clover | Perennial herb | |
| Trifolium andersonii var. andersonii | Anderson's clover | Perennial herb | |
| Trifolium andersonii var. beatleyae | Beatley's five leaved clover | Perennial herb | |
| Trifolium breweri | Brewer's clover | Perennial herb | |
| Trifolium kingii | King's clover | Perennial herb | |
| Trifolium kingii var. productum | King's clover | Perennial herb | |
| Trifolium longipes | Long stalked clover | Perennial herb | |
| Trifolium longipes ssp. atrorubens | Longstalk clover | Perennial herb | |
| Trifolium longipes ssp. hansenii | Hansen's clover | Perennial herb | |
| Trifolium longipes var. longipes | Long stalked clover | Perennial herb | |
| Trifolium longipes var. nevadense | Mountain clover | Perennial herb | |
| Trifolium monanthum | Carpet clover | Perennial herb | |
| Trifolium monanthum ssp. monanthum | Carpet clover | Perennial herb | |
| Trifolium monanthum ssp. parvum | Small carpet clover | Perennial herb | |
| Trifolium monanthum var. monanthum | Mountain carpet clover | Perennial herb | |
| Trifolium productum | Productive clover | Perennial herb | |
| Trifolium wormskioldii | Cow clover | Perennial herb | 8 |
| Triglochin maritima | Seaside arrow grass | Perennial herb (aquatic) | 5 |
| Trimorpha lonchophylla | Spearleaved northern daisy | Perennial herb | |
| Trisetum canescens | Nodding trisetum | Perennial grass | |
| Trisetum cernuum | Nodding oatgrass | Perennial grass | |
| Trisetum cernuum var. projectum | Nodding oatgrass | Perennial grass | |
| Trisetum projectum | Perennial grass | ||
| Trisetum spicatum | Narrow oatgrass | Perennial grass | |
| Trisetum wolfii | Beardless oatgrass | Perennial grass | |
| Triteleia hyacinthina | Wild hyacinth | Perennial herb | 9 |
| Triteleia ixioides | Pretty face | Perennial herb | 7 |
| Triteleia ixioides ssp. anilina | Mountain pretty face | Perennial herb | 1 |
| Triteleia ixioides ssp. ixioides | Golden brodiaea | Perennial herb | 1 |
| Triteleia ixioides ssp. scabra | Foothill triteleia | Perennial herb | 1 |
| Triteleia montana | Slender triplet lily | Perennial herb | |
| Turritis glabra | Tower rockcress | Perennial herb | |
| Urtica dioica | Stinging nettle | Perennial herb | 11 |
| Urtica dioica ssp. holosericea | Stinging nettle | Perennial herb | 6 |
| Valeriana californica | California valerian | Perennial herb | |
| Veratrum californicum | California false hellebore | Perennial herb | 3 |
| Veratrum californicum var. californicum | California corn lily | Perennial herb | |
| Veronica americana | American brooklime | Perennial herb | 6 |
| Veronica cusickii | Cusick's speedwell | Perennial herb | |
| Veronica scutellata | Marsh speedwell | Perennial herb | |
| Veronica serpyllifolia | Thymeleaf speedwell | Perennial herb | |
| Veronica serpyllifolia ssp. humifusa | Sprawling speedwell | Perennial herb | |
| Veronica wormskjoldii | American alpine speedwell | Perennial herb | |
| Vicia americana | American vetch | Perennial herb, Vine | 4 |
| Vicia americana ssp. americana | American vetch | Perennial herb, Vine | |
| Vicia americana var. americana | Vetch | Perennial herb, Vine | |
| Viola adunca | Western dog violet | Perennial herb | 18 |
| Viola adunca ssp. adunca | Western dog violet | Perennial herb | 1 |
| Viola adunca var. adunca | Western bog violet | Perennial herb | 1 |
| Viola adunca var. kirkii | Yosemite dog violet | Perennial herb | 1 |
| Viola aurea | Golden violet | Perennial herb | |
| Viola bakeri | Baker's violet | Perennial herb | 1 |
| Viola beckwithii | Great basin violet | Perennial herb | |
| Viola douglasii | Douglas' violet | Perennial herb | 2 |
| Viola glabella | Stream violet | Perennial herb | 12 |
| Viola macloskeyi | Macloskey's violet | Perennial herb | 1 |
| Viola nephrophylla | Leconte violet | Perennial herb | |
| Viola pinetorum | Pine violet | Perennial herb | 2 |
| Viola pinetorum ssp. grisea | Grey leaved violet | Perennial herb | |
| Viola pinetorum ssp. pinetorum | Pine violet | Perennial herb | |
| Viola purpurea | Goosefoot violet | Perennial herb | |
| Viola purpurea ssp. aurea | Golden violet | Perennial herb | |
| Viola purpurea ssp. dimorpha | Goosefoot violet | Perennial herb | |
| Viola purpurea ssp. integrifolia | Smooth leaved violet | Perennial herb | |
| Viola purpurea ssp. mesophyta | Goosefoot violet | Perennial herb | |
| Viola purpurea ssp. purpurea | Goosefoot violet | Perennial herb | |
| Viola sororia ssp. affinis | Northern bog violet | Perennial herb | |
| Wyethia angustifolia | Narrow leaved mule ears | Perennial herb | 10 |
| Wyethia mollis | Woolly mule's ears | Perennial herb | 8 |
| Zigadenus fremontii | Fremont's death camas | Perennial herb | 6 |
| Zigadenus paniculatus | Sand corn | Perennial herb | 2 |
| Zigadenus venenosus var. venenosus | Death camas | Perennial herb | |
|
Lifeform: Fern | 35 plants | ||
|
Lifeform: Shrub | 217 plants | ||
|
Lifeform: Tree | 29 plants | ||
|
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive. |
||
| NB: found in Alpine County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county. | ||