California Native Plant Link Exchange
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Criteria:   found in Modoc County  •   is native  •  group by lifeform
2475  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual601 plants
  Lifeform: Biennial2 plants
  Lifeform: Perennial1562 plants
Achillea millefolium Yarrow Perennial herb 70
Achnatherum Xbloomeri Perennial grass  
Achnatherum hymenoides Indian rice grass Perennial grass 8
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  
Achnatherum webberi Webber's needlegrass Perennial grass  
Acmispon nevadensis Sierra lotus Perennial herb  
Acmispon nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Aconitum columbianum Monkshood Perennial herb 4
Aconitum columbianum ssp. columbianum Columbian monkshood Perennial herb  
Actaea rubra Baneberry Perennial herb 8
Adenocaulon bicolor Trail plant Perennial herb  
Agastache parvifolia Small leaved horsemint Perennial herb  
Agastache urticifolia Horse mint Perennial herb 6
Ageratina occidentalis Western eupatorium Perennial herb 4
Agoseris Xdasycarpa Perennial herb  
Agoseris aurantiaca Orange flowered agoseris Perennial herb 1
Agoseris aurantiaca var. aurantiaca Orange 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 3
Agoseris grandiflora var. grandiflora Giant mountain dandelion Perennial herb  
Agoseris monticola Mountain agoseris Perennial herb  
Agoseris parviflora False dandelion Perennial herb  
Agoseris retrorsa Spear leaved agoseris Perennial herb 1
Agrostis exarata Bentgrass Perennial grass 5
Agrostis 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 scabra var. geminata Rough bentgrass Perennial grass 4
Agrostis thurberiana Thurber's bentgrass Perennial grass  
Agrostis variabilis Mountain bentgrass Perennial grass  
Alisma gramineum Grass leaf water plantain Perennial herb  
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allium acuminatum Taper tipped onion Perennial herb (bulb) 7
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium anceps Twin leaved onion Perennial herb (bulb)  
Allium bisceptrum Twincrest onion Perennial herb (bulb)  
Allium bisceptrum var. bisceptrum Twin crest onion Perennial herb (bulb)  
Allium bolanderi Bolander's onion Perennial herb (bulb)  
Allium bolanderi var. mirabile Bolander's onion Perennial herb (bulb)  
Allium campanulatum Dusky onion Perennial herb (bulb) 2
Allium fimbriatum Wild onion Perennial herb (bulb) 1
Allium fimbriatum var. fimbriatum Fringed onion Perennial herb (bulb)  
Allium lemmonii Lemmon's onion Perennial herb (bulb) 1
Allium parvum Dwarf onion Perennial herb (bulb) 1
Allium platycaule Broad stemmed onion Perennial herb (bulb) 2
Allium punctum Punctate onion Perennial herb (bulb)  
Allium tolmiei Tolmie's onion Perennial herb (bulb)  
Allium tolmiei var. tolmiei Tolmei's 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  
Amphiscirpus nevadensis Great basin bulrush Perennial grass  
Anemone drummondii Drummond's anemone Perennial herb 2
Anemone occidentalis Western anemone Perennial herb 3
Anemopsis californica Yerba mansa Perennial herb 32
Angelica capitellata Grayswamp whiteheads Perennial herb 2
Antennaria argentea Silvery everlasting Perennial herb  
Antennaria dimorpha Gray cushion pussytoes Perennial herb  
Antennaria flagellaris Stoloniferous pussytoes Perennial herb  
Antennaria geyeri Geyer's pussytoes Perennial herb  
Antennaria luzuloides Silvery brown pussytoes Perennial herb  
Antennaria luzuloides ssp. aberrans Rush pussytoes Perennial herb  
Antennaria luzuloides ssp. luzuloides Rush pussytoes Perennial herb  
Antennaria rosea Rosy everlasting Perennial herb 2
Antennaria rosea ssp. confinis Rosy pussytoes Perennial herb  
Antennaria rosea ssp. rosea Rosy pussytoes Perennial herb  
Antennaria umbrinella Brown pussytoes Perennial herb  
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 54
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 glabra var. glabra Smooth rock cress Perennial herb  
Arabis hirsuta var. glabrata Mountain rock cress Perennial herb  
Arabis holboellii 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 lemmonii Lemmon's rock cress Perennial herb  
Arabis lemmonii var. lemmonii Lemmon's rock cress Perennial herb  
Arabis lyallii Lyall's rock cress Perennial herb 1
Arabis lyallii var. lyallii Lyall's rockcress Perennial herb  
Arabis lyallii var. nubigena Lyall's cloud cress Perennial herb  
Arabis microphylla Littleleaf rockcress Perennial herb  
Arabis microphylla var. microphylla Small leaved rock cress Perennial herb  
Arabis oregana Oregon rock cress Perennial herb  
Arabis platysperma Broad seeded rock cress Perennial herb  
Arabis platysperma var. platysperma Broad seeded rock cress Perennial herb  
Arabis puberula Blue mountain rock cress Perennial herb  
Arabis sparsiflora Sicklepod rock cress Perennial herb 2
Arabis sparsiflora var. arcuata Elegant rockress Perennial herb  
Arabis sparsiflora var. californica California elegant rock cress Perennial herb 1
Arabis sparsiflora var. sparsiflora Elegant rock cress Perennial herb 2
Arabis sparsiflora var. subvillosa Hairy stemmed elegant rock cress Perennial herb  
Arabis subpinnatifida Klamath rockcress Perennial herb  
Arabis suffrutescens Woody rock cress Perennial herb  
Arabis suffrutescens var. suffrutescens Woody rockcress Perennial herb  
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium californicum Sugar pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium campylopodum Pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium cyanocarpum Blue berry dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium divaricatum Western dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium littorum Seashore dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium monticola Mountain dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium occidentale Digger pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium siskiyouense Siskiyou dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. mertensianae Mountain hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arenaria aculeata Prickly sandwort Perennial herb  
Arenaria congesta Capitate sandwort Perennial herb 1
Arenaria congesta var. congesta Capitate sandwort Perennial herb  
Arenaria congesta var. crassula Rough sandwort Perennial herb  
Arenaria congesta var. simulans Capitate sandwort Perennial herb  
Arenaria congesta var. subcongesta Capitate sandwort Perennial herb  
Arenaria congesta var. suffrutescens Suffrutescent sandwort Perennial herb  
Arenaria kingii ssp. compacta King's sandwort Perennial herb  
Arenaria kingii var. glabrescens King's smooth sandwort Perennial herb  
Arenaria pumicola var. californica Pumice sandwort Perennial herb  
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 discoidea Rayless arnica Perennial herb  
Arnica diversifolia Lawless arnica Perennial herb  
Arnica fulgens Hillside arnica Perennial herb (rhizomatous)  
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 parryi ssp. sonnei Sonne's 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
Aruncus dioicus Bride's feathers Perennial herb 11
Aruncus dioicus var. acuminatus Bride's feathers Perennial herb 1
Aruncus dioicus var. pubescens Goats beard Perennial herb  
Asclepias cordifolia Purple milkweed Perennial herb 8
Asclepias fascicularis narrow leaf milkweed Perennial herb 31
Asclepias speciosa Showy milkweed Perennial herb 41
Aster alpigenus var. andersonii Alpine aster Perennial herb 1
Aster ascendens Long leaved 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. parryi Parry's aster Perennial herb 1
Aster integrifolius Entire leaved 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 andersonii Anderson's rattle weed Perennial herb  
Astragalus austiniae Austin's milk vetch Perennial herb  
Astragalus californicus Klamath milk vetch Perennial herb  
Astragalus canadensis Canadian milkvetch Perennial herb 1
Astragalus canadensis var. brevidens Short toothed milk vetch Perennial herb  
Astragalus curvicarpus Curvepod milkvetch Perennial herb  
Astragalus curvicarpus var. curvicarpus Curved pod milk vetch Perennial herb  
Astragalus filipes Narrow pod locoweed Perennial herb  
Astragalus gibbsii Gibbs locoweed Perennial herb  
Astragalus inversus Susanville milk vetch Perennial herb  
Astragalus lemmonii Lemmon's milk vetch Perennial herb  
Astragalus malacus Shaggy milk vetch Perennial herb  
Astragalus obscurus Basalt milk vetch Perennial herb  
Astragalus pulsiferae Pulsifer's milk vetch Perennial herb  
Astragalus pulsiferae var. coronensis Modoc plateau milk vetch Perennial herb  
Astragalus pulsiferae var. pulsiferae Pulsifer's milk vetch Perennial herb  
Astragalus pulsiferae var. suksdorfii Suksdorf's milk vetch Perennial herb  
Astragalus purshii Pursh's sheeppod Perennial herb 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. confusus Whitney's milk vetch Perennial herb 1
Astragalus whitneyi var. lenophyllus Whitney's milk vetch Perennial herb  
Astragalus whitneyi var. siskiyouensis Siskiyou milk vetch Perennial herb  
Atriplex gardneri Gardner's saltbush Perennial herb 2
Atriplex gardneri var. falcata Sickle saltbush Perennial herb 1
Balsamorhiza deltoidea Deltoid balsam root Perennial herb 2
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 Big scale balsam root Perennial herb 1
Balsamorhiza macrolepis var. platylepis Flat scale balsam root Perennial herb 1
Balsamorhiza sagittata Arrow leaved balsamroot Perennial herb 6
Balsamorhiza serrata Serrate balsam root Perennial herb  
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens cernua Nodding beggartick Perennial herb  
Bidens cernua var. cernua Nodding bur marigold Perennial herb  
Bidens laevis Bur marigold Perennial herb 4
Bistorta bistortoides American bistort Perennial herb  
Boechera arcuata Arching rockcress Perennial herb  
Boechera calderi Calder's rockcress Perennial herb  
Boechera californica California rockcress Perennial herb 1
Boechera cobrensis Masonic rock cress Perennial herb  
Boechera davidsonii Davidson's rockcress Perennial herb  
Boechera divaricarpa Spreadingpod rockcress Perennial herb  
Boechera elkoensis Elko 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 microphylla var. microphylla Small-leaved rock cress Perennial herb  
Boechera pauciflora Hairy stem rockcress Perennial herb  
Boechera paupercula Small-flowered rockcress Perennial herb  
Boechera pinetorum Woodland rockcress Perennial herb  
Boechera platysperma Pioneer rockcress Perennial herb  
Boechera puberula Silver rockcress Perennial herb  
Boechera retrofracta Reflexed rockcress Perennial herb  
Boechera sparsiflora Sicklepod rockcress Perennial herb 2
Boechera stricta Drummond's rockcress Perennial herb  
Boechera subpinnatifida Klamath rockcress Perennial herb  
Boechera suffrutescens Woody rockcress Perennial herb  
Bolboschoenus fluviatilis River bulrush Perennial grass 2
Bolboschoenus maritimus Alkali bulrush Perennial grass 16
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 16
Boykinia major Large boykinia Perennial herb 5
Brickellia grandiflora Large flowered brickelbush Perennial herb  
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. rosea Indian valley brodiaea Perennial herb (bulb)  
Brodiaea elegans Harvest brodiaea Perennial herb 6
Brodiaea elegans ssp. elegans Harvest brodiaea Perennial herb 1
Brodiaea rosea Indian valley brodiaea Perennial herb (bulb)  
Brodiaea rosea ssp. rosea Indian Valley brodiaea Perennial herb (bulb  
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 laevipes Narrow flowered brome Perennial grass 3
Bromus marginatus Mountain brome Perennial grass 6
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 canadensis Canada reedgrass Perennial grass 5
Calamagrostis canadensis var. langsdorfii Canada reedgrass Perennial grass  
Callitriche fassettii Fassett's water starwort Perennial herb  
Callitriche hermaphroditica Northern water starwort Perennial herb  
Callitriche heterophylla Water starwort Perennial herb  
Calochortus bruneaunis Pinyon mariposa Perennial herb 1
Calochortus leichtlinii Leichtlin's mariposa lily Perennial herb 2
Calochortus longebarbatus Longbeard mariposa lily Perennial herb (bulb) 1
Calochortus longebarbatus var. longebarbatus Long haired star tulip Perennial herb (bulb)  
Calochortus macrocarpus Sagebrush mariposa lily Perennial herb  
Calochortus tolmiei Hairy star tulip Perennial herb 5
Caltha leptosepala White marsh marigold Perennial herb 3
Calyptridium monospermum One seeded pussypaws Perennial herb  
Calystegia occidentalis Bush morning glory Perennial herb 2
Calystegia occidentalis ssp. occidentalis Modoc morning glory Perennial herb  
Calystegia occidentalis var. tomentella Kern morning glory Perennial herb  
Camassia leichtlinii Large camas Perennial herb 11
Camassia leichtlinii ssp. suksdorfii Suksdorf's large camas Perennial herb 3
Camassia quamash Camas Perennial herb 13
Camassia quamash ssp. breviflora Small camas Perennial herb 1
Camassia quamash ssp. quamash Common camas Perennial herb 3
Camissonia subacaulis Long leaved suncup Perennial herb  
Camissonia tanacetifolia Tansy leaf evening primrose Perennial herb  
Camissonia tanacetifolia ssp. quadriperforata Sierra valley evening primrose Perennial herb  
Camissonia tanacetifolia ssp. tanacetifolia Tansy leaved suncup Perennial herb  
Campanula scabrella Rough harebell Perennial herb (rhizomatous)  
Cardamine breweri Brewer's bitter cress Perennial herb  
Cardamine breweri var. breweri Brewer's bitter cress Perennial herb  
Cardamine cordifolia Heartleaf bittercress Perennial herb  
Cardamine pensylvanica Pennsylvania bittercress Perennial herb  
Carex abrupta Abrupt beaked sedge Perennial grass  
Carex amplectens Clasping bract sedge Perennial grass 1
Carex amplifolia Ample leaved sedge Perennial grass 3
Carex angustata Narrow leaved sedge Perennial grass 1
Carex aquatilis Water sedge Perennial grass 5
Carex aquatilis var. aquatilis Water sedge Perennial grass 1
Carex atherodes Slough sedge Perennial grass  
Carex athrostachya Slender leaved sedge Perennial grass 2
Carex aurea Golden fruited sedge Perennial grass  
Carex bella Southwestern showy sedge Perennial grass  
Carex bolanderi Bolander's sedge Perennial grass  
Carex capitata Capitate sedge Perennial grass  
Carex comosa Bristly sedge Perennial grass (rhizomatous) 2
Carex densa Sedge Perennial grass 8
Carex deweyana Dewey sedge Perennial grass 5
Carex deweyana ssp. leptopoda Dewey's taper fruit sedge Perennial grass 3
Carex diandra Lesser panicled sedge Perennial grass 1
Carex disperma Soft leaf sedge Perennial grass  
Carex douglasii Douglas sedge Perennial grass 1
Carex dudleyi Dudley's sedge Perennial grass 8
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 garberi Garber's sedge Perennial grass  
Carex geyeri Geyer's sedge Perennial grass (rhizomatous)  
Carex halliana Hall's sedge Perennial grass (rhizomatous)  
Carex hassei Hasse's sedge Perennial grass  
Carex haydeniana Cloud sedge Perennial grass  
Carex heteroneura Variable nerved sedge Perennial grass  
Carex hoodii Hood's sedge Perennial grass  
Carex illota Sheep sedge Perennial grass  
Carex inops Long stolon sedge Perennial grass 1
Carex inops ssp. inops Long stolon sedge Perennial grass 2
Carex integra Smooth beak sedge Perennial grass  
Carex jonesii Jones' sedge Perennial grass  
Carex lasiocarpa Woolly fruited sedge Perennial grass (rhizomatous) 2
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 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 multicaulis Forest sedge Perennial grass  
Carex nebrascensis Nebraska sedge Perennial grass 2
Carex pachycarpa Furrowed broomsedge 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 praegracilis Field sedge Perennial grass 28
Carex raynoldsii Raynold's sedge Perennial grass  
Carex rossii Ross' sedge Perennial grass 1
Carex scopulorum Mountain sedge Perennial grass  
Carex scopulorum var. bracteosa Bracted sedge Perennial grass  
Carex sheldonii Sheldon's sedge Perennial grass (rhizomatous)  
Carex simulata Short beaked sedge Perennial grass 2
Carex specifica Narrow fruit sedge Perennial grass  
Carex spectabilis Showy sedge Perennial grass 2
Carex straminiformis Straw like sedge Perennial grass  
Carex subfusca Brown sedge Perennial grass 8
Carex tumulicola Split awn sedge Perennial grass 26
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 arachnoidea Cobwebby paintbrush Perennial herb  
Castilleja chromosa Desert paintbrush Perennial herb 3
Castilleja linariifolia Desert paintbursh Perennial herb 2
Castilleja miniata Great red paintbrush Perennial herb 6
Castilleja pilosa Pilose paintbrush Perennial herb  
Castilleja pruinosa Frosted paintbrush Perennial herb (hemiparasitic)  
Caulanthus crassicaulis Thick stemmed caulanthus Perennial herb  
Ceratophyllum demersum Hornwort Perennial herb 1
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
Chimaphila menziesii Little prince's pine Perennial herb  
Chimaphila umbellata Blake's prince's pine Perennial herb  
Cicuta douglasii Western water hemlock Perennial herb 1
Cicuta maculata Water hemlock Perennial herb 1
Cicuta maculata var. angustifolia Narrow leafed water hemlock Perennial herb  
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 cymosum var. cymosum Peregrine thistle Perennial herb  
Cirsium douglasii Swamp thistle Perennial herb 1
Cirsium douglasii var. breweri Brewer's swamp thistle Perennial herb  
Cirsium inamoenum var. inamoenum Greene's thistle Perennial herb  
Cirsium neomexicanum Desert thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. candidissimum Snowy thistle Perennial herb  
Cirsium scariosum Elk thistle Perennial herb  
Cirsium scariosum var. americanum Dinnerplate thistle Perennial herb  
Cirsium scariosum var. robustum Elk 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
Collomia tenella Slender collomia Perennial herb  
Comandra umbellata Bastard toadflax Perennial herb (parasitic)  
Comandra umbellata ssp. californica Bastard toadflax Perennial herb (parasitic)  
Comarum palustre Marsh cinquefoil Perennial herb 5
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza striata Striped coral root Perennial herb  
Corallorhiza striata var. striata Hooded coralroot Perennial herb  
Crepis acuminata Tall hawksbeard Perennial herb  
Crepis bakeri Baker's hawksbeard Perennial herb  
Crepis bakeri ssp. bakeri Baker's hawksbeard Perennial herb  
Crepis bakeri ssp. cusickii Cusick's hawksbeard Perennial herb  
Crepis intermedia Intermediate hawksbeard Perennial herb  
Crepis modocensis Modoc hawksbeard Perennial herb  
Crepis modocensis ssp. modocensis Modoc hawksbeard Perennial herb  
Crepis modocensis ssp. subacaulis Modoc hawksbeard Perennial herb  
Crepis occidentalis Western hawk's beard Perennial herb  
Crepis occidentalis ssp. conjuncta Largeflower hawksbeard Perennial herb  
Crepis occidentalis ssp. costata Largeflower hawksbeard Perennial herb  
Crepis occidentalis ssp. occidentalis Largeflower hawksbeard Perennial herb  
Crepis occidentalis ssp. pumila Largeflower hawksbeard Perennial herb  
Crepis pleurocarpa Naked stemmed hawksbeard Perennial herb  
Crepis runcinata Meadow hawksbeard Perennial herb  
Cressa truxillensis Alkali weed Perennial herb 3
Cryptantha celosioides Cocks comb cat's eye Perennial herb  
Cryptantha humilis Low oreocarya Perennial herb  
Cryptantha schoolcraftii Schoolcraft's cryptantha Perennial herb  
Cryptantha sobolifera Sierra perennial cryptantha Perennial herb  
Cusickiella douglasii Alkali draba Perennial herb  
Cymopterus terebinthinus Turpentine cymopterus Perennial herb  
Cymopterus terebinthinus var. californicus Turpentine cymopterus Perennial herb  
Cynoglossum occidentale Hound's tongue Perennial herb  
Cypripedium californicum California lady's slipper Perennial herb (rhizomatous)  
Cypripedium fasciculatum Clustered lady's slipper Perennial herb (rhizomatous)  
Cypripedium montanum Mountain lady's slipper Perennial herb (rhizomatous)  
Damasonium californicum California damsonium Perennial herb (aquatic)  
Danthonia californica California oatgrass Perennial grass 21
Danthonia californica var. americana American oatgrass Perennial grass 21
Danthonia californica var. californica California oatgrass Perennial grass 21
Danthonia intermedia Timber oatgrass Perennial grass 2
Danthonia unispicata One spiked oatgrass Perennial grass  
Delphinium andersonii Anderson larkspur Perennial herb 4
Delphinium depauperatum Few flowered larkspur Perennial herb  
Delphinium nudicaule Canyon larkspur Perennial herb 3
Delphinium nuttallianum Nuttall's larkspur Perennial herb 2
Delphinium stachydeum Spiked 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 incana Mountain tansy mustard Perennial herb  
Dicentra uniflora Steers head Perennial herb  
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 2
Dichelostemma congestum Fork toothed ookow Perennial herb 7
Dichelostemma multiflorum Many flowered brodiaea Perennial herb 6
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 15
Dipterostemon capitatus ssp. capitatus Perennial herb 2
Distichlis spicata Salt grass Perennial grass 24
Dodecatheon alpinum Alpine shooting star Perennial herb 1
Dodecatheon conjugens Bonneville shooting star Perennial herb  
Dodecatheon hendersonii Shooting star Perennial herb 11
Dodecatheon pulchellum Dark throated shooting star Perennial herb 6
Draba densifolia Dense leaved draba Perennial herb  
Draba lonchocarpa Lancepod draba Perennial herb  
Draba lonchocarpa var. lonchocarpa Spear fruited draba Perennial herb  
Draba novolympica Trelease's draba Perennial herb  
Draba paysonii Payson's draba Perennial herb  
Draba paysonii var. treleasei Trelease's draba Perennial herb  
Drosera anglica Long leaved sundew Perennial herb (carnivorous)  
Drymocallis glandulosa Sticky cinquefoil Perennial herb 12
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. reflexa Sticky cinquefoil Perennial herb  
Drymocallis lactea Perennial herb 1
Drymocallis lactea var. austiniae Austin's woodbeauty Perennial herb  
Drymocallis lactea var. lactea Sierran woodbeauty Perennial herb  
Drymocallis pseudorupestris False rock loving cinquefoil Perennial herb 1
Drymocallis pseudorupestris var. saxicola Cliff woodbeauty Perennial herb  
Dugaldia hoopesii Hoope's sneezeweed Perennial herb 7
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush Perennial grass  
Eleocharis acicularis var. bella Beautiful spikerush Perennial grass  
Eleocharis bella Beautiful spikerush Perennial grass  
Eleocharis bolanderi Bolander's spikerush Perennial grass  
Eleocharis coloradoensis Dwarf spikerush Perennial grass 2
Eleocharis macrostachya Spike rush Perennial grass 19
Eleocharis montevidensis Montevideo spike rush Perennial grass 2
Eleocharis palustris Common spikerush Perennial grass 8
Eleocharis parishii Parish's spike rush Perennial grass  
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  
Elodea canadensis Common water weed Perennial herb  
Elodea nuttallii Western waterweed Perennial herb  
Elymus Xhansenii Perennial grass  
Elymus Xsaundersii Perennial grass  
Elymus cinereus Great basin wild rye Perennial grass 8
Elymus condensatus Giant wild rye Perennial grass 31
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus elymoides ssp. californicus California squirreltail Perennial grass  
Elymus elymoides ssp. elymoides Squirreltail Perennial grass  
Elymus elymoides ssp. hordeoides Barley squirreltail Perennial grass  
Elymus elymoides var. californicus Squirrel tail grass Perennial grass  
Elymus elymoides var. elymoides Squirrel tail grass Perennial grass  
Elymus glaucus Blue wildrye Perennial grass 33
Elymus glaucus ssp. glaucus Blue wild rye Perennial grass 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 smithii Western wheat grass Perennial grass 6
Elymus spicatus Blue bunch wheat grass Perennial grass 7
Elymus trachycaulus Slender wheatgrass Perennial grass 8
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass Perennial grass 7
Elymus triticoides Beardless wild rye Perennial grass 29
Enemion stipitatum Siskiyou false rue anemone Perennial herb  
Epilobium anagallidifolium Alpine willowherb Perennial herb  
Epilobium angustifolium ssp. angustifolium Fireweed Perennial herb 2
Epilobium angustifolium ssp. circumvagum Fireweed Perennial herb 1
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 obcordatum Heart willowweed Perennial herb  
Epilobium oregonense Slimstem willowweed Perennial herb  
Epilobium saximontanum Glandular willowherb Perennial herb  
Epipactis gigantea Stream orchid Perennial herb 17
Eremogone aculeata Prickly sandwort Perennial herb  
Eremogone congesta Capitate sandwort Perennial herb  
Eremogone congesta var. congesta Capitate sandwort Perennial herb  
Eremogone congesta var. crassula Rough sandwort Perennial herb  
Eremogone congesta var. simulans Capitate sandwort Perennial herb  
Eremogone congesta var. subcongesta Capitate sandwort Perennial herb  
Eremogone congesta var. suffrutescens Suffrutescent sandwort Perennial herb  
Eremogone kingii King's sandwort Perennial herb 1
Eremogone kingii var. glabrescens King's smooth sandwort Perennial herb  
Erigeron aphanactis Rayless shaggy fleabane Perennial herb  
Erigeron aphanactis var. aphanactis Rayless shaggy fleabane Perennial herb  
Erigeron austiniae Rebecca austin's fleabane Perennial herb  
Erigeron bloomeri Scabland fleabane Perennial herb  
Erigeron bloomeri var. bloomeri Scabland fleabane Perennial herb  
Erigeron breweri Brewer's fleabane Perennial herb  
Erigeron breweri var. klamathensis Klamath fleabane Perennial herb  
Erigeron chrysopsidis Dwarf yellow fleabane Perennial herb 1
Erigeron chrysopsidis var. austiniae Rebecca austin's 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. plantagineus Eaton's daisy Perennial herb  
Erigeron elegantulus Volcanic daisy Perennial herb  
Erigeron filifolius Threadleaf fleabane Perennial herb  
Erigeron filifolius var. filifolius Thread leaved fleabane Perennial herb  
Erigeron glacialis Wandering fleabane Perennial herb 3
Erigeron glacialis var. glacialis Wandering fleabane Perennial herb  
Erigeron glacialis var. hirsutus Wandering fleabane Perennial herb  
Erigeron inornatus Rayless fleabane Perennial herb  
Erigeron inornatus var. inornatus Fleabane Perennial herb  
Erigeron klamathensis Klamath fleabane Perennial herb  
Erigeron lassenianus Mt. lassen fleabane Perennial herb  
Erigeron lassenianus var. lassenianus Mt. lassen daisy Perennial herb  
Erigeron linearis Narrow leaved fleabane Perennial herb 3
Erigeron lobatus Lobed fleabane Perennial herb 4
Erigeron lonchophyllus Shortray fleabane Perennial herb  
Erigeron peregrinus Wandering fleabane Perennial herb 3
Erigeron peregrinus var. callianthemus Wandering fleabane Perennial herb  
Erigeron peregrinus var. hirsutus Wandering fleabane Perennial herb  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Erigeron pumilus Shaggy fleabane Perennial herb  
Erigeron pumilus ssp. intermedius Shaggy fleabane Perennial herb  
Erigeron pumilus var. gracilior Shaggy fleabane Perennial herb  
Erigeron pumilus var. intermedius Shaggy fleabane Perennial herb  
Erigeron tener Slender fleabane Perennial herb  
Eriogonum caespitosum Clumping buckwheat Perennial herb 3
Eriogonum douglasii Douglas' buckwheat Perennial herb 1
Eriogonum douglasii var. douglasii Douglas' buckwheat Perennial herb  
Eriogonum douglasii var. meridionale Douglas' buckwheat Perennial herb 1
Eriogonum elatum Tall buckwheat Perennial herb  
Eriogonum elatum var. elatum Tall buckwheat Perennial herb  
Eriogonum elatum var. villosum Long hairy tall buckwheat Perennial herb  
Eriogonum heracleoides Parsnipflower buckwheat Perennial herb 4
Eriogonum heracleoides var. heracleoides Parsnip flowered buckwheat Perennial herb 1
Eriogonum microtheca Slender buckwheat Perennial herb  
Eriogonum microtheca var. ambiguum Yellow-flowered wild buckwheat Perennial herb  
Eriogonum microtheca var. laxiflorum Great basin wild buckwheat Perennial herb  
Eriogonum ovalifolium Oval leaved eriogonum Perennial herb 4
Eriogonum ovalifolium var. nivale Cushion buckwheat Perennial herb 1
Eriogonum ovalifolium var. ovalifolium Cushion buckwheat Perennial herb  
Eriogonum ovalifolium var. purpureum Purple cushion buckwheat Perennial herb  
Eriogonum prociduum Prostrate buckwheat Perennial herb  
Eriogonum sphaerocephalum Round headed buckwheat Perennial herb  
Eriogonum sphaerocephalum var. halimioides Round headed buckwheat Perennial herb  
Eriogonum sphaerocephalum var. sphaerocephalum Round headed buckwheat Perennial herb  
Eriogonum strictum Blue mountain buckwheat Perennial herb 1
Eriogonum strictum var. anserinum Blue mountain buckwheat Perennial herb  
Eriogonum umbellatum Sulphur buckwheat Perennial herb 26
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. glaberrimum Green 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
Eriophorum gracile Slender cotton grass Perennial grass  
Eriophyllum lanatum Wooly sunflower Perennial herb 28
Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. integrifolium Oregon sunshine Perennial herb  
Eryngium alismifolium Coyote thistle Perennial herb  
Eryngium articulatum Coyote thistle Perennial herb 1
Eryngium mathiasiae Mathias' button celery Perennial herb  
Erysimum argillosum Western wallflower Perennial herb  
Erysimum capitatum Wallflower Perennial herb 11
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 lewisii Lewis' monkey flower Perennial herb 12
Erythranthe linearifolia Primrose monkeyflower Perennial herb 3
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
Eurybia integrifolia Thickstem aster Perennial herb  
Euthamia occidentalis Western goldenrod Perennial herb 15
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 californica California fescue Perennial grass 48
Festuca idahoensis Blue fescue Perennial grass 53
Festuca kingii Spike fescue Perennial grass  
Festuca occidentalis Western fescue Perennial grass 8
Festuca roemeri var. klamathensis Idaho fescue Perennial grass 48
Festuca rubra Red fescue Perennial grass 39
Festuca viridula Mountain bunch fescue Perennial grass  
Fragaria crinita Beach strawberry Perennial herb 35
Fragaria vesca Wild strawberry Perennial herb 36
Fragaria virginiana Mountain strawberry Perennial herb 12
Frasera albicaulis Whitestem frasera Perennial herb  
Frasera albicaulis var. modocensis Modoc frasera Perennial herb  
Frasera albicaulis var. nitida Whitestem frasera Perennial herb  
Frasera speciosa Monument plant Perennial herb  
Fritillaria atropurpurea Spotted mountain bells Perennial herb 2
Fritillaria pinetorum Pine woods fritillary Perennial herb  
Fritillaria pudica Yellow fritillary Perennial herb 4
Fritillaria recurva Scarlet fritillary Perennial herb 1
Galium bolanderi Bolander's bedstraw Perennial herb  
Galium glabrescens Castle lake bedstraw Perennial herb  
Galium glabrescens ssp. glabrescens Castle lake bedstraw Perennial herb  
Galium glabrescens ssp. modocense Modoc bedstraw Perennial herb  
Galium grayanum Gray's bedstraw Perennial herb  
Galium grayanum var. nanum Gray's bedstraw Perennial herb  
Galium mexicanum Mexican bedstraw Perennial herb  
Galium mexicanum ssp. asperulum Mexican bedstraw Perennial herb  
Galium mexicanum var. asperulum Mexican bedstraw Perennial herb  
Galium multiflorum Many flowered bedstraw Perennial herb  
Galium serpenticum Northern bedstraw Perennial herb  
Galium serpenticum ssp. scotticum Scott mtn. bedstraw Perennial herb  
Galium serpenticum ssp. warnerense Warner mtns. bedstraw Perennial herb (rhizomatous)  
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
Geranium oreganum Oregon geranium Perennial herb 2
Geranium richardsonii Richardson's geranium Perennial herb  
Geranium viscosissimum Sticky geranium Perennial herb 2
Geum aleppicum Aleppo avens Perennial herb  
Geum macrophyllum Large leaved avens Perennial herb 8
Geum triflorum Old man's beard Perennial herb 7
Geum triflorum var. ciliatum Prairie-smoke Perennial herb 1
Glaux maritima Sea milk wort Perennial herb  
Glyceria borealis Northern mannagrass Perennial grass 1
Glyceria elata Tall mannagrass Perennial grass 8
Glyceria striata Fowl mannagrass Perennial grass 8
Gnaphalium canescens ssp. thermale Small headed cudweed Perennial herb  
Goodyera oblongifolia Rattlesnake plantain Perennial herb 4
Grindelia camporum Gumweed Perennial herb 14
Grindelia hirsutula Gumweed Perennial herb 11
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 13
Grindelia nana Idaho gumweed Perennial herb  
Hackelia bella Greater showy stickseed Perennial herb  
Hackelia californica California stickseed Perennial herb  
Hackelia cusickii Cusick stickweed Perennial herb  
Hackelia micrantha Jessica's stickseed Perennial herb  
Hastingsia alba White hastingsia Perennial herb 2
Hastingsia serpentinicola Siskiyou hastingsia Perennial herb  
Helianthella californica California helianthella Perennial herb 5
Helianthella californica var. nevadensis California helianthella Perennial herb 1
Helianthus cusickii Cusick's sunflower Perennial herb  
Helianthus nuttallii Nuttall's sunflower Perennial herb  
Heliotropium curassavicum Chinese parsley Perennial herb 7
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 1
Heracleum lanatum Cow parsnip Perennial herb 20
Heracleum maximum Common cow parsnip Perennial herb 20
Hesperochiron californicus California hesperochiron Perennial herb  
Hesperochiron pumilus Dwarf hesperochiron Perennial herb  
Hesperostipa comata Needle & thread grass Perennial grass 10
Hesperostipa comata ssp. comata Needle & thread grass Perennial grass 1
Heteranthera dubia Water star grass Perennial herb  
Heterotheca villosa Hairy goldenaster Perennial herb 10
Heterotheca villosa var. hispida Hairy goldenaster Perennial herb  
Heterotheca villosa var. minor Hairy false goldenaster Perennial herb  
Heterotheca villosa var. villosa Hairy goldenaster Perennial herb  
Heuchera cylindrica Roundleaf alumroot Perennial herb 8
Heuchera cylindrica var. alpina Alpine alumroot Perennial herb 8
Heuchera rubescens Pink alumroot Perennial herb 6
Heuchera rubescens var. glandulosa Pink alumroot Perennial herb 6
Hieracium albiflorum White flowered hawkweed Perennial herb 1
Hieracium horridum Shaggy hawkweed Perennial herb  
Hieracium nudicaule Naked stemmed scouler's hawkweed Perennial herb  
Hieracium parryi Scouler's woollyweed Perennial herb  
Hieracium scouleri Hounds tongue hawkweed Perennial herb  
Hieracium scouleri var. nudicaule Naked stemmed scouler's hawkweed Perennial herb  
Hippuris vulgaris Mare's tail Perennial herb (aquatic) 1
Hordeum brachyantherum Meadow barley Perennial grass 25
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Hordeum brachyantherum ssp. californicum Meadow barley Perennial grass 7
Hordeum jubatum Fox tail barley Perennial grass 7
Hordeum jubatum ssp. jubatum Foxtail barley, squirreltail barley Perennial grass  
Horkelia fusca Tawny horkelia Perennial herb  
Horkelia fusca ssp. capitata Dark horkelia Perennial herb  
Horkelia fusca ssp. parviflora Dusky horkelia Perennial herb  
Horkelia fusca var. brownii Tawny horkelia Perennial herb  
Horkelia fusca var. parviflora Tawny horkelia Perennial herb  
Horkelia fusca var. pseudocapitata Tawny horkelia Perennial herb  
Horkelia 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 nana Dwarf hulsea Perennial herb  
Hydrophyllum alpestre Alpine breeches Perennial herb  
Hydrophyllum capitatum Ballhead waterleaf Perennial herb  
Hydrophyllum capitatum var. alpinum Woolen breeches Perennial herb  
Hymenoxys hoopesii Owl's claws Perennial herb 10
Hymenoxys lemmonii Lemmon's goldflower Perennial herb  
Hypericum formosum St john's wort Perennial herb  
Hypericum formosum var. scouleri Scouler's st. john's wort Perennial herb 2
Hypericum scouleri Scouler's st john's wort Perennial herb 2
Iliamna bakeri Baker's globe mallow Perennial herb 1
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. 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 douglasiana Douglas iris Perennial herb 52
Iris hartwegii Hartweg's iris Perennial herb 4
Iris hartwegii ssp. hartwegii Hartweg's iris Perennial herb 1
Iris missouriensis Western blue flag Perennial herb 25
Isopyrum stipitatum Siskiyou rue anemone Perennial herb  
Iva axillaris Povertyweed Perennial herb  
Iva axillaris ssp. robustior Poverty weed Perennial herb  
Ivesia baileyi Bailey's ivesia Perennial herb  
Ivesia baileyi var. beneolens Owyhee ivesia Perennial herb  
Ivesia gordonii Alpine ivesia Perennial herb  
Ivesia gordonii var. ursinorum Alpine ivesia Perennial herb  
Ivesia paniculata Ash creek ivesia Perennial herb  
Ivesia shockleyi Sky mousetail Perennial herb  
Juncus articulatus Jointed rush Perennial grass 2
Juncus articulatus ssp. articulatus Jointed rush Perennial grass  
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 2
Juncus brachyphyllus Short leaved rush Perennial grass  
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus confusus Colorado rush Perennial grass  
Juncus drummondii Drummond's rush Perennial grass  
Juncus ensifolius Sword leaved rush Perennial grass 7
Juncus longistylis Long styled rush Perennial grass 1
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 orthophyllus Straight leaved rush Perennial grass 1
Juncus parryi Parry's rush Perennial grass  
Juncus saximontanus Rocky mountain rush Perennial grass  
Juncus tenuis Slender rush Perennial grass 9
Juncus torreyi Torrey's rush Perennial grass 5
Juncus trilocularis Perennial grass  
Juncus xiphioides Iris leaved rush Perennial grass 16
Kelloggia galioides Kelloggia Perennial herb  
Kochia americana Red sage Perennial herb  
Koeleria macrantha June grass Perennial grass 29
Lactuca tatarica Blue lettuce Perennial herb  
Lactuca tatarica ssp. pulchella Blue lettuce Perennial herb  
Lactuca tatarica var. pulchella Blue lettuce Perennial herb  
Lathyrus brownii Brown's brush pea Perennial herb  
Lathyrus lanszwertii Nevada pea Perennial herb  
Lathyrus lanszwertii var. aridus Dryland nevada pea Perennial herb  
Lathyrus lanszwertii var. lanszwertii Nevada pea Perennial herb  
Lathyrus nevadensis Sierra pea Perennial herb  
Lathyrus nevadensis ssp. lanceolatus Sierra pea Perennial herb  
Lathyrus nevadensis ssp. nevadensis Sierra pea Perennial herb  
Lathyrus nevadensis var. nevadensis Sierra nevada pea Perennial herb  
Lathyrus rigidus Rigid pea Perennial herb  
Lemna gibba Gibbous duckweed Perennial herb  
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna trisulca Star duckweed Perennial herb  
Lemna turionifera Turion duckweed Perennial herb  
Lemna valdiviana Duckweed Perennial herb  
Lepidium montanum Mountain pepper grass Perennial herb 1
Lepidium montanum var. canescens Mountain pepper grass Perennial herb 1
Leptosiphon nuttallii Nuttall's linanthus Perennial herb 2
Leptosiphon nuttallii ssp. nuttallii Nuttall's linanthus Perennial herb 2
Lesquerella occidentalis ssp. occidentalis Western bladder pod Perennial herb  
Leucocrinum montanum Sand lily 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 condensatus Giant rye grass Perennial grass 34
Leymus triticoides Alkali rye Perennial grass 30
Ligusticum californicum California lovage Perennial herb  
Ligusticum grayi Gray's lovage Perennial herb  
Lilium pardalinum California tiger lily Perennial herb 23
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 3
Lilium pardalinum ssp. shastense Shasta lily Perennial herb 1
Lilium pardalinum ssp. wigginsii Wiggins' lily Perennial herb (bulb) 2
Lilium washingtonianum Washington lily Perennial herb 6
Linanthus nuttallii Nuttall's linanthus Perennial herb 2
Linanthus nuttallii ssp. nuttallii Nuttall's linanthus Perennial herb  
Linnaea borealis Twinflower Perennial herb 8
Linnaea borealis ssp. americana Twinflower Perennial herb 2
Linnaea borealis var. longiflora Twin flower Perennial herb 2
Linum lewisii Lewis' flax Perennial herb 38
Linum lewisii var. alpicola Alpine lewis' flax Perennial herb 1
Linum lewisii var. lewisii Lewis' flax Perennial herb 5
Listera convallarioides Broad lipped twayblade Perennial herb  
Lithophragma glabrum Bulbed woodland star Perennial herb  
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma parviflorum var. parviflorum Pink woodland star Perennial herb  
Lithophragma tenellum Woodland star Perennial herb  
Lithospermum californicum California gromwell Perennial herb  
Lithospermum ruderale Western gromwell Perennial herb  
Lomatium austiniae Plummer's lomatium Perennial herb  
Lomatium bicolor Wasatch desertparsley Perennial herb  
Lomatium bicolor var. leptocarpum Slender fruited lomatium Perennial herb  
Lomatium canbyi Canby's lomatium Perennial herb  
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium dissectum Fern leaved lomatium Perennial herb 3
Lomatium dissectum var. multifidum Fern leaved lomatium Perennial herb 1
Lomatium donnellii Donnell's biscuitroot Perennial herb  
Lomatium foeniculaceum Fennel leaved lomatium Perennial herb  
Lomatium foeniculaceum ssp. fimbriatum Fennel leaved lomatium Perennial herb  
Lomatium foeniculaceum ssp. macdougalii Macdougal's lomatium Perennial herb  
Lomatium grayi Gray's lomatium Perennial herb 2
Lomatium hendersonii Henderson's lomatium Perennial herb  
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium multifidum Fern leaved lomatium Perennial herb 1
Lomatium nevadense Nevada lomatium Perennial herb  
Lomatium nevadense var. nevadense Nevada lomatium Perennial herb  
Lomatium nevadense var. parishii Parish's lomatium Perennial herb  
Lomatium nudicaule Pestle lomatium Perennial herb 4
Lomatium piperi Piper's lomatium Perennial herb  
Lomatium plummerae Plummer's lomatium Perennial herb  
Lomatium ravenii Raven's lomatium Perennial herb  
Lomatium ravenii var. paiutense Paiute lomatium Perennial herb  
Lomatium roseanum Biscuitroot Perennial herb  
Lomatium triternatum Lewis's lomatium Perennial herb 1
Lomatium triternatum var. macrocarpum Large fruited lewis' lomatium Perennial herb  
Lomatium triternatum var. triternatum Lewis' lomatium Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 2
Lomatium vaginatum Sheathed lomatium Perennial herb  
Lotus 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  
Ludwigia palustris Marsh purslane Perennial herb (aquatic)  
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Lupinus albicaulis White stemmed lupine Perennial herb 8
Lupinus albicaulis var. shastensis Shasta 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. palmeri Palmer's silver lupine Perennial herb  
Lupinus latifolius Broad leaf lupine Perennial herb 9
Lupinus latifolius var. barbatus Hair tuft lupine Perennial herb  
Lupinus latifolius var. columbianus Broad leaved lupine Perennial herb  
Lupinus latifolius var. latifolius Broad leaf lupine Perennial herb  
Lupinus latifolius var. viridifolius Green leaf lupine Perennial herb  
Lupinus lepidus Tidy lupine Perennial herb 1
Lupinus lepidus var. confertus Clustered tidy lupine Perennial herb  
Lupinus lepidus var. lobbii Lobb's lupine Perennial herb  
Lupinus lepidus var. ramosus Branched tidy lupine Perennial herb  
Lupinus lepidus var. sellulus Stool lupine Perennial herb  
Lupinus lepidus var. utahensis Utah tidy lupine Perennial herb  
Lupinus leucophyllus Velvet lupine Perennial herb  
Lupinus polyphyllus Bog lupine Perennial herb 27
Lupinus polyphyllus var. burkei Large leaved lupine Perennial herb 6
Lupinus rivularis Riverbank lupine Perennial herb 8
Lupinus saxosus Rock lupine Perennial herb  
Luzula comosa Hairy wood rush Perennial grass 4
Luzula comosa var. laxa Hairy wood rush Perennial grass 3
Luzula parviflora Small flowered wood rush Perennial grass 2
Luzula spicata Spiked wood rush Perennial grass  
Luzula subcongesta Donner wood rush Perennial grass  
Lycopus asper Rough bugleweed Perennial herb  
Lycopus uniflorus Northern bugleweed Perennial herb  
Lysimachia maritima Sea milkwort Perennial herb  
Lysimachia thyrsiflora Tufted yellow loosestrife Perennial herb  
Machaeranthera canescens Hoary aster Perennial herb 1
Machaeranthera canescens var. canescens Hoary aster Perennial herb  
Machaeranthera canescens var. shastensis Shasta aster Perennial herb  
Maianthemum racemosum Feathery false lily of the valley Perennial herb 19
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley Perennial herb 3
Maianthemum stellatum Starry false lily of the valley Perennial herb 17
Marah fabacea California man-root Perennial herb, Vine 5
Marah fabaceus Manroot Perennial herb, Vine 5
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 3
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 3
Melica bulbosa Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 25
Melica fugax Small onion grass Perennial grass  
Melica spectabilis Purple onion grass Perennial grass (rhizomatous)  
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 5
Menyanthes trifoliata Bogbean Perennial herb 2
Mertensia ciliata Ciliate lungwort Perennial herb  
Mertensia ciliata var. stomatechoides Streamside bluebells Perennial herb  
Mertensia cusickii Toiyabe bluebells Perennial herb  
Mertensia longiflora Long flower bluebells Perennial herb  
Mertensia oblongifolia Sagebrush bluebells Perennial herb  
Mertensia oblongifolia var. amoena Sagebrush bluebells Perennial herb  
Mertensia oblongifolia var. nevadensis Sagebrush bluebells Perennial herb  
Mertensia oblongifolia var. oblongifolia Sagebrush bluebells Perennial herb  
Micranthes aprica Sierra saxifrage Perennial herb  
Micranthes howellii Howell's saxifrage Perennial herb  
Micranthes integrifolia Smooth leaf saxifrage Perennial herb  
Micranthes nidifica Peak saxifrage Perennial herb  
Micranthes oregana Bog saxifrage Perennial herb  
Microseris laciniata Cut leaved scorzonella Perennial herb  
Microseris laciniata ssp. laciniata Cut leaved scorzonella Perennial herb  
Microseris nutans Nodding microceris Perennial herb  
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. linearifolius Primrose monkeyflower Perennial herb 3
Mimulus primuloides ssp. primuloides Primrose monkeyflower Perennial herb  
Mimulus primuloides var. linearifolius Primrose monkeyflower Perennial herb 3
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. fragilis Brittle sandwort Perennial herb  
Minuartia nuttallii ssp. gracilis Nuttall's sandwort Perennial herb  
Minuartia nuttallii ssp. gregaria Gregarious sandwort Perennial herb  
Minuartia nuttallii var. fragilis Nuttall sandwort Perennial herb  
Minuartia nuttallii var. gracilis Nuttall sandwort Perennial herb  
Minuartia nuttallii var. gregaria Nuttall sandwort Perennial herb  
Minuartia rubella Red seeded sandwort Perennial herb 1
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. odoratissima Mountain monardella Perennial herb  
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
Montia chamissoi Spring beauty Perennial herb  
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia jonesii Jones' muhly Perennial grass  
Muhlenbergia richardsonis Richardson's muhly Perennial grass  
Muilla transmontana Great basin muilla Perennial herb  
Myosotis laxa Forget me not Perennial herb  
Myriophyllum hippuroides Western milfoil Perennial herb (aquatic)  
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Myriophyllum verticillatum Verticillate milfoil Perennial herb (aquatic)  
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nestotus stenophyllus Narrowleaf mock goldenweed Perennial herb  
Nitrophila occidentalis Western nitrophila Perennial herb  
Noccaea fendleri Pennycress Perennial herb  
Noccaea fendleri ssp. glauca Pennycress Perennial herb 1
Nothocalais alpestris Alpine prairie dandelion Perennial herb  
Nothocalais troximoides False agoseris Perennial herb  
Nuphar luteum ssp. polysepalum Indian pond lily Perennial herb (aquatic)  
Nuphar polysepala Rocky mountain pond-lily Perennial herb (aquatic) 3
Oenothera caespitosa Fragrant evening primrose Perennial herb 8
Oenothera caespitosa ssp. crinita Caespitose evening primrose Perennial herb (rhizomatous)  
Oenothera elata Evening primrose Perennial herb 16
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera flava Yellow evening primrose Perennial herb  
Oenothera flava ssp. flava Dandelion evening primrose Perennial herb  
Oenothera villosa Hairy evening primrose Perennial herb  
Oenothera villosa ssp. strigosa Hairy evening primrose Perennial herb 20
Olsynium douglasii Douglas' grasswidow Perennial herb 4
Olsynium douglasii var. douglasii Douglas' grasswidow Perennial herb 4
Oreocarya schoolcraftii Schoolcraft's cryptantha Perennial herb  
Oreostemma alpigenum Tundra aster Perennial herb 3
Oreostemma alpigenum var. andersonii Tundra aster Perennial herb 1
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 depauperata Little sweet cicely Perennial herb  
Osmorhiza occidentalis Western sweet cicely Perennial herb 2
Osmorhiza purpurea Purple sweet cicely Perennial herb  
Oxyria digyna Alpine mountain sorrel Perennial herb  
Packera cana Woolly groundsel Perennial herb  
Packera eurycephala Widehead groundsel Perennial herb  
Packera eurycephala var. eurycephala Widehead groundsel Perennial herb  
Packera indecora Elegant groundsel Perennial herb  
Packera multilobata Lobeleaf groundsel Perennial herb  
Packera streptanthifolia Rocky mountain groundsel Perennial herb  
Packera subnuda Buek's groundsel Perennial herb  
Packera subnuda var. subnuda Cleftleaf groundsel Perennial herb  
Paeonia brownii Peony Perennial herb 1
Parnassia fimbriata Rocky mountain parnassia Perennial herb  
Pascopyrum smithii Western wheat grass Perennial grass 4
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 anguineus Siskiyou beardtongue Perennial herb 1
Penstemon cinereus Gray beardtongue Perennial herb  
Penstemon cinicola Ash beardtongue Perennial herb  
Penstemon davidsonii Davidson's penstemon Perennial herb 8
Penstemon davidsonii var. davidsonii Davidson's beardtongue Perennial herb 2
Penstemon deustus Rock penstemon Perennial herb 2
Penstemon deustus var. pedicellatus Hot rock beardtongue Perennial herb  
Penstemon gracilentus Slender beardtongue Perennial herb 1
Penstemon heterodoxus Sierra penstemon Perennial herb  
Penstemon heterodoxus var. shastensis Shasta beardtongue Perennial herb  
Penstemon humilis Low beardtongue Perennial herb  
Penstemon humilis ssp. humilis Low beardtongue Perennial herb  
Penstemon humilis var. humilis Low beardtongue Perennial herb  
Penstemon janishiae Antelope valley beardtongue Perennial herb 1
Penstemon laetus Mountain blue penstemon Perennial herb 1
Penstemon laetus var. sagittatus Mountain blue penstemon Perennial herb  
Penstemon procerus Small flowered penstemon Perennial herb 7
Penstemon roezlii Regel's mountain penstemon Perennial herb 1
Penstemon rydbergii Rydberg's penstemon Perennial herb 24
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 gairdneri Gairdner's yampah Perennial herb 2
Perideridia gairdneri ssp. gairdneri Gairdner's yampah Perennial herb  
Perideridia kelloggii Yampah Perennial herb 5
Perideridia oregana Oregon yampah Perennial herb 1
Persicaria amphibia Water smartweed Perennial herb (aquatic) 2
Persicaria punctata Dotted smartweed Perennial herb 4
Phacelia egena Rock phacelia Perennial herb 3
Phacelia hastata White leafed phacelia Perennial herb  
Phacelia hastata ssp. compacta Timberline phacelia Perennial herb  
Phacelia hastata ssp. hastata Mountain phacelia Perennial herb  
Phacelia hastata var. compacta Timberline phacelia Perennial herb  
Phacelia hastata var. hastata Mountain phacelia Perennial herb  
Phacelia heterophylla Varileaf phacelia Perennial herb 1
Phacelia heterophylla ssp. virgata Varied leaf phacelia Perennial herb  
Phacelia heterophylla var. virgata Varied leaf phacelia Perennial herb  
Phacelia imbricata Imbricate phacelia Perennial herb 3
Phacelia mutabilis Changeable phacelia Perennial herb  
Phacelia procera Tall phacelia Perennial herb  
Phacelia ramosissima Branching phacelia Perennial herb 3
Phacelia ramosissima var. eremophila Branching phacelia Perennial herb 3
Phacelia ramosissima var. ramosissima Branching phacelia Perennial herb  
Phacelia sericea Silky phacelia Perennial herb 2
Phacelia sericea ssp. ciliosa Silky phacelia Perennial herb  
Phacelia sericea var. ciliosa Blue alpine phacelia Perennial herb  
Phalaris arundinacea Reed canarygrass Perennial grass 8
Phleum alpinum Timothy grass Perennial grass 2
Phlox adsurgens Northern phlox Perennial herb 3
Phlox austromontana Southern mountain phlox Perennial herb  
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 hoodii ssp. muscoides Musk phlox Perennial herb  
Phlox longifolia ssp. brevifolia Longleaf phlox Perennial herb  
Phlox muscoides Moss phlox Perennial herb 2
Phlox speciosa Showy phlox Perennial herb  
Phlox speciosa ssp. occidentalis Western showy phlox Perennial herb  
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
Phoradendron densum Dense mistletoe Perennial herb  
Phragmites australis Common reed Perennial grass 1
Physaria occidentalis Western bladderpod Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Plagiobothrys mollis Downy popcorn flower Perennial herb  
Plagiobothrys mollis var. mollis Downy popcorn flower Perennial herb  
Plagiobothrys nitens Shiny nutlet popcorn flower 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 stricta Slender 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 juncifolia Western blue grass Perennial grass 14
Poa leptocoma Marsh bluegrass Perennial grass  
Poa leptocoma ssp. leptocoma Bog blue grass Perennial grass  
Poa nevadensis Sierra blue grass Perennial grass 14
Poa pratensis ssp. agassizensis Agassiz kentucky blue grass Perennial grass  
Poa secunda Pine bluegrass Perennial grass 18
Poa secunda ssp. juncifolia Rush blue grass Perennial grass 14
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 18
Poa wheeleri Hooker's bluegrass Perennial grass 1
Polemonium occidentale Great polemonium Perennial herb 3
Polemonium occidentale ssp. occidentale Western polemonium Perennial herb 2
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  
Polyctenium fremontii Fremont's polyctenium Perennial herb  
Polyctenium fremontii var. fremontii Fremont's polyctenium Perennial herb  
Polyctenium williamsiae Williams's combleaf Perennial herb  
Polygala subspinosa Spiny milkwort Perennial herb  
Polygonum amphibium Water smartweed Perennial herb 2
Polygonum amphibium var. emersum Water smartweed Perennial herb (aquatic) 1
Polygonum amphibium var. stipulaceum Water smartweed Perennial herb 1
Polygonum bistortoides Western knotweed Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Potamogeton alpinus Alpine pondweed Perennial herb (aquatic)  
Potamogeton diversifolius Rafinesque's pondweed Perennial herb (aquatic)  
Potamogeton epihydrus Ribbonleaf pondweed Perennial herb (rhizomatous)  
Potamogeton epihydrus ssp. nuttallii Nuttall's pondweed Perennial herb (rhizomatous)  
Potamogeton filiformis Slender leaved pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus ssp. foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus var. foliosus Pondweed Perennial herb (aquatic)  
Potamogeton gramineus Grass leaf pondweed Perennial herb (aquatic)  
Potamogeton latifolius Nevada pondweed Perennial herb (aquatic)  
Potamogeton natans Floating leaved pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton richardsonii Richardson's pondweed Perennial herb (aquatic)  
Potentilla anserina Silver weed cinquefoil Perennial herb 15
Potentilla anserina ssp. anserina Silver weed cinquefoil Perennial herb 2
Potentilla biennis Biennial cinquefoil Perennial herb 1
Potentilla breweri Brewer's cinquefoil Perennial herb 1
Potentilla bruceae Bruce's cinquefoil Perennial herb 1
Potentilla diversifolia Varileaf cinquefoil Perennial herb  
Potentilla diversifolia var. diversifolia Varileaf cinquefoil Perennial herb  
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 13
Potentilla glandulosa ssp. ashlandica Mountain cinquefoil Perennial herb  
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Potentilla glandulosa ssp. nevadensis Nevada cinquefoil Perennial herb  
Potentilla glandulosa ssp. pseudorupestris False rock loving cinquefoil Perennial herb 1
Potentilla glandulosa ssp. reflexa Sticky cinquefoil Perennial herb  
Potentilla glaucophylla Blueleaf cinquefoil Perennial herb  
Potentilla glaucophylla var. glaucophylla Blueleaf cinquefoil Perennial herb  
Potentilla gracilis Northwest cinquefoil Perennial herb 15
Potentilla gracilis var. fastigiata Slender cinquefoil Perennial herb  
Potentilla gracilis var. flabelliformis Cupform leaf cinquefoil Perennial herb  
Potentilla millefolia Cut leaf cinquefoil Perennial herb  
Potentilla newberryi Newberry's cinquefoil Perennial herb  
Potentilla palustris Marsh cinquefoil Perennial herb 5
Potentilla wheeleri Wheeler's cinquefoil Perennial herb  
Primula conjugens Bonneville shooting star Perennial herb  
Primula hendersonii Mosquito bill Perennial herb 11
Primula pauciflora Beautiful shootingstar Perennial herb 6
Primula tetrandra Alpine shooting star Perennial herb 2
Prunella vulgaris Self heal Perennial herb 19
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 9
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)  
Puccinellia lemmonii Lemmon's alkali grass Perennial grass  
Puccinellia nuttalliana Nuttall's alkali grass Perennial grass 1
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 carthamoides Largeflower goldenweed Perennial herb  
Pyrrocoma carthamoides var. cusickii Cusick's columbia pyrrocoma Perennial herb  
Pyrrocoma hirta Sticky pyrrocoma Perennial herb  
Pyrrocoma hirta var. hirta Sticky pyrrocoma Perennial herb  
Pyrrocoma hirta var. lanulosa Woolly pyrrocoma Perennial herb  
Pyrrocoma lanceolata Intermountain pyrrocoma Perennial herb  
Pyrrocoma lanceolata var. lanceolata Intermountain pyrrocoma Perennial herb  
Pyrrocoma lanceolata var. subviscosa Sticky intermountain pyrrocoma Perennial herb  
Pyrrocoma racemosa Racemose pyrrocoma Perennial herb  
Pyrrocoma racemosa var. paniculata Panicled pyrrocoma Perennial herb  
Pyrrocoma uniflora Single headed pyrrocoma Perennial herb  
Pyrrocoma uniflora var. uniflora Single headed pyrrocoma Perennial herb  
Raillardella argentea Silky 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 californicus Common buttercup Perennial herb 11
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 flabellaris Water buttercup Perennial herb  
Ranunculus flammula Spearwort Perennial herb 1
Ranunculus flammula var. ovalis Greater creeping spearwort Perennial herb  
Ranunculus glaberrimus Smooth buttercup Perennial herb  
Ranunculus glaberrimus var. ellipticus Narrow leaved smooth buttercup Perennial herb  
Ranunculus glaberrimus var. glaberrimus Smooth buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus occidentalis Western buttercup Perennial herb 6
Ranunculus occidentalis var. dissectus Western buttercup Perennial herb  
Ranunculus occidentalis var. howellii Western buttercup Perennial herb  
Ranunculus occidentalis var. occidentalis Western buttercup Perennial herb  
Ranunculus occidentalis var. ultramontanus Western buttercup Perennial herb  
Ranunculus orthorhynchus Bloomer's buttercup Perennial herb  
Ranunculus orthorhynchus var. orthorhynchus Straight beaked buttercup Perennial herb  
Rhodiola integrifolia Ledge stonecrop Perennial herb 1
Rhodiola integrifolia ssp. integrifolia Ledge stonecrop Perennial herb  
Rorippa columbiae Columbia yellow cress Perennial herb (rhizomatous)  
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rorippa sinuata Spreading yellow cress Perennial herb (aquatic)  
Rumex californicus California dock Perennial herb  
Rumex lacustris Lake dock Perennial herb (aquatic)  
Rumex occidentalis Western dock Perennial herb 1
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. lacustris Lake dock Perennial herb (aquatic)  
Rumex salicifolius var. transitorius Willow dock Perennial herb  
Rumex salicifolius var. triangulivalvis Willow dock Perennial herb  
Rumex transitorius Willow dock Perennial herb  
Rumex triangulivalvis Willow dock Perennial herb  
Sagina saginoides Alpine pearlwort Perennial herb  
Sagittaria cuneata Tule potato Perennial herb 1
Sagittaria latifolia Broad leaf arrowhead Perennial herb (aquatic) 11
Sanicula graveolens Sierra sanicle Perennial herb  
Saxifraga aprica Sierra saxifrage Perennial herb  
Saxifraga cespitosa Tufted saxifrage Perennial herb  
Saxifraga howellii Howell's saxifrage Perennial herb (rhizomatous)  
Saxifraga integrifolia Smooth leaf saxifrage Perennial herb  
Saxifraga nidifica Peak saxifrage Perennial herb  
Saxifraga nidifica var. nidifica Peak saifrage Perennial herb  
Saxifraga oregana Bog saxifrage Perennial herb  
Schoenoplectus acutus Hardstem bulrush Perennial grass 24
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus pungens Common threesquare Perennial grass 2
Schoenoplectus pungens var. badius Common threesquare Perennial grass  
Schoenoplectus pungens var. longispicatus Common threesquare Perennial grass 2
Scirpus acutus var. occidentalis Hard stemmed tule Perennial grass 1
Scirpus americanus American tule Perennial grass 17
Scirpus congdonii Congdon's bulrush Perennial grass  
Scirpus fluviatilis River bulrush Perennial grass 2
Scirpus maritimus Prairie bulrush Perennial grass 15
Scirpus microcarpus Small fruited bulrush Perennial grass 20
Scirpus nevadensis Great basin bulrush Perennial grass  
Scirpus pungens Three square Perennial grass 2
Scrophularia desertorum Desert figwort Perennial herb  
Scrophularia lanceolata Mountain figwort Perennial herb 1
Scutellaria antirrhinoides Snapdragon skullcap Perennial herb 2
Scutellaria galericulata Marsh skullcap Perennial herb (rhizomatous)  
Scutellaria nana Little skullcap Perennial herb (rhizomatous)  
Sedum lanceolatum Lance leaf stonecrop Perennial herb 4
Sedum roseum ssp. integrifolium Rosy stonecrop Perennial herb  
Sedum stenopetalum Narrow leaf stonecrop Perennial herb 9
Senecio aronicoides Butterweed Perennial herb  
Senecio canus Woolly ragwort Perennial herb  
Senecio cymbalarioides Cleft leaved groundsel Perennial herb  
Senecio eurycephalus Cut leaved butterweed Perennial herb  
Senecio eurycephalus var. eurycephalus Broadhead ragwort Perennial herb  
Senecio fremontii Fremont's groundsel Perennial herb  
Senecio fremontii var. fremontii Fremont's groundsel Perennial herb  
Senecio fremontii var. occidentalis Western fremont's groundsel Perennial herb  
Senecio hydrophiloides Sweet marsh ragwort Perennial herb  
Senecio hydrophilus Alkali marsh ragwort Perennial herb  
Senecio indecorus Rayless mountain butterweed Perennial herb  
Senecio integerrimus Mountain butterweed Perennial herb  
Senecio integerrimus var. exaltatus Columbia mountain butterweed Perennial herb  
Senecio integerrimus var. major Lambstongue groundsel Perennial herb  
Senecio multilobatus Basin butterweed 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  
Sibbaldia procumbens Sibbaldia Perennial herb  
Sidalcea glaucescens Glaucous checker mallow Perennial herb  
Sidalcea malviflora Wild hollyhock Perennial herb 21
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
Silene bernardina Palmer's campion Perennial herb  
Silene douglasii Douglas' campion Perennial herb 1
Silene douglasii var. douglasii Douglas's catchfly Perennial herb  
Silene lemmonii Lemmon's catchfly Perennial herb  
Silene menziesii Menzies' campion Perennial herb  
Silene nuda Naked campion Perennial herb  
Silene occidentalis Western campion Perennial herb 1
Silene occidentalis ssp. occidentalis Western campion Perennial herb 1
Silene oregana Oregon campion Perennial herb  
Sisyrinchium bellum Blue eyed grass Perennial herb 62
Sisyrinchium douglasii var. douglasii Douglas' blue eyed grass Perennial herb 1
Sisyrinchium halophilum Nevada blue eyed grass Perennial herb  
Sisyrinchium idahoense Idaho blue eyed grass Perennial herb 5
Sisyrinchium idahoense var. idahoense Idaho blue eyed grass Perennial herb 1
Sium suave Hemlock water parsnip Perennial herb 1
Smilacina racemosa Western false solomon's seal Perennial herb 19
Smilacina stellata Star flowered false solomon's seal Perennial herb 17
Solidago californica Oreja de liebre Perennial herb 27
Solidago canadensis Canada goldenrod Perennial herb 16
Solidago canadensis ssp. elongata Canada goldenrod Perennial herb 4
Solidago canadensis var. salebrosa Rough canada goldenrod Perennial herb 1
Solidago confinis Southern goldenrod Perennial herb 4
Solidago elongata West coast canada goldenrod Perennial herb 4
Solidago gigantea Smooth goldenrod Perennial herb (rhizomatous)  
Solidago lepida Western goldenrod Perennial herb (rhizomatous)  
Solidago lepida var. salebrosa Western goldenrod Perennial herb (rhizomatous) 1
Solidago sparsiflora Great basin goldenrod Perennial herb 4
Solidago spectabilis Showy goldenrod Perennial herb 3
Solidago velutina Threenerve goldenrod Perennial herb 8
Solidago velutina ssp. californica Oreja de liebre Perennial herb 27
Solidago velutina ssp. sparsiflora Great basin goldenrod Perennial herb 2
Sparganium angustifolium Narrow leaved bur reed Perennial herb 2
Sparganium emersum Emersed bur-reed Perennial herb 2
Sparganium eurycarpum Broadfruit bur reed Perennial herb 5
Sparganium eurycarpum ssp. eurycarpum Bur reed Perennial herb 3
Sparganium eurycarpum var. eurycarpum Broadfruit bur reed Perennial herb  
Sparganium natans Small bur reed Perennial herb (rhizomatous)  
Spartina gracilis Alkali cord grass Perennial grass (rhizomatous)  
Sphaeromeria potentilloides Cinquefoil tansy Perennial herb  
Sphaeromeria potentilloides var. potentilloides Cinquefoil tansy Perennial herb  
Sphenosciadium capitellatum Grayswamp whiteheads Perennial herb 2
Spiranthes porrifolia Western ladies tresses Perennial herb  
Spiranthes romanzoffiana Ladies' tresses Perennial herb  
Spirodela polyrhiza Giant duckmeat Perennial herb  
Spirodela polyrrhiza Giant duckmeat Perennial herb  
Stachys ajugoides Hedge nettle Perennial herb 6
Stachys ajugoides var. ajugoides Ajuga hedge nettle Perennial herb 6
Stachys ajugoides var. rigida Hedge nettle Perennial herb  
Stachys bergii Berg's hedgenettle Perennial herb  
Stachys mexicana Mexican hedgenettle Perennial herb  
Stachys palustris Marsh hedgenettle Perennial herb 1
Stachys palustris ssp. pilosa Marsh hedge nettle Perennial herb 1
Stachys pilosa Prairie woundwort Perennial herb 1
Stachys rigida Rough hedgenettle Perennial herb 3
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb  
Stachys rigida var. rigida Rough hedgenettle Perennial herb  
Stellaria calycantha Northern bogwort Perennial herb  
Stellaria longifolia Long leaved starwort Perennial herb (rhizomatous)  
Stellaria longipes Longstalk starwort Perennial herb  
Stellaria longipes ssp. longipes Chickweed, starwort Perennial herb  
Stellaria longipes var. longipes Long stalked starwort Perennial herb  
Stellaria obtusa Obtuse starwort Perennial herb (rhizomatous)  
Stellaria umbellata Umbellate chickweed Perennial herb  
Stenotus acaulis Stemless mock goldenweed Perennial herb  
Stenotus lanuginosus Woolly stenotus Perennial herb  
Stenotus lanuginosus var. lanuginosus Woolly stenotus Perennial herb  
Stenotus stenophyllus Narrowleaf 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 hymenoides Indian rice grass Perennial grass 15
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  
Stipa webberi Webber'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  
Streptopus amplexifolius Claspleaf twistedstalk Perennial herb 1
Streptopus amplexifolius var. americanus Twisted stalk Perennial herb  
Stuckenia filiformis Fineleaf pondweed Perennial herb (rhizomatous)  
Stuckenia filiformis ssp. alpina Fineleaf pondweed Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Stuckenia striata Broadleaf pondweed Perennial herb (aquatic)  
Suaeda moquinii Bush seepweed Perennial herb 3
Suaeda nigra Bush seepweed Perennial herb 3
Swertia albicaulis Whitestem gentian Perennial herb  
Swertia albicaulis var. albicaulis White stem green gentian Perennial herb  
Swertia albicaulis var. nitida Shining swertia Perennial herb  
Swertia radiata Giant frasera Perennial herb  
Swertia radiata var. radiata Elkweed Perennial herb  
Swertia shastaensis 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. 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 spathulatum Western mountain aster Perennial herb 1
Symphyotrichum spathulatum var. intermedium Larger western mountain aster Perennial herb  
Symphyotrichum spathulatum var. spathulatum Western mountain aster Perennial herb  
Synthyris missurica Kittentails Perennial herb  
Synthyris missurica ssp. missurica Kitten tails Perennial herb (rhizomatous)  
Synthyris reniformis Snow queen Perennial herb 1
Taraxia subacaulis Long leaved suncup Perennial herb  
Taraxia tanacetifolia Tansy leaf evening primrose Perennial herb  
Thalictrum fendleri Fendler's meadow rue Perennial herb 11
Thalictrum fendleri var. fendleri Fendler's meadow rue Perennial herb  
Thalictrum occidentale Western meadow rue Perennial herb 6
Thalictrum sparsiflorum Few flowered meadow rue Perennial herb  
Thelypodium brachycarpum Short podded thelypodium Perennial herb  
Thelypodium flexuosum Nodding thelypodium Perennial herb  
Thelypodium howellii Howell's thelypody Perennial herb  
Thelypodium howellii ssp. howellii Howell's thelypodium Perennial herb  
Thelypodium milleflorum Yarrow leaf thelypodium Perennial herb  
Thermopsis californica California goldenbanner Perennial herb 1
Thermopsis californica var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla Santa ynez false lupine Perennial herb 2
Thermopsis macrophylla var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Torreyochloa pallida Pale false mannagrass Perennial grass (rhizomatous)  
Torreyochloa pallida var. pauciflora Mannagrass Perennial grass (rhizomatous)  
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Toxicoscordion paniculatum Foothill deathcamas Perennial herb 2
Toxicoscordion venenosum Meadow deathcamas Perennial herb  
Toxicoscordion venenosum var. venenosum Meadow deathcamas Perennial herb  
Trifolium andersonii Anderson's clover Perennial herb  
Trifolium andersonii ssp. andersonii Anderson's clover Perennial herb  
Trifolium andersonii var. andersonii Anderson's clover Perennial herb  
Trifolium beckwithii Beckwith's clover Perennial herb  
Trifolium eriocephalum Woollyhead clover Perennial herb  
Trifolium eriocephalum ssp. cusickii Cusick's clover Perennial herb  
Trifolium eriocephalum var. harneyense Cusick's clover Perennial herb  
Trifolium gymnocarpon Hollyleaf clover Perennial herb  
Trifolium gymnocarpon ssp. plummerae Plummer's clover Perennial herb  
Trifolium gymnocarpon var. plummerae Plummer'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. hansenii Hansen's clover Perennial herb  
Trifolium longipes ssp. multipedunculatum Longstalk clover Perennial herb  
Trifolium longipes ssp. oreganum Oregon clover Perennial herb  
Trifolium longipes ssp. shastense Longstalk clover Perennial herb  
Trifolium longipes var. longipes Long stalked clover Perennial herb  
Trifolium longipes var. nevadense Mountain clover Perennial herb  
Trifolium longipes var. oreganum Oregon clover Perennial herb  
Trifolium longipes var. shastense Shasta clover Perennial herb  
Trifolium macrocephalum Big headed clover Perennial herb  
Trifolium productum Productive clover Perennial herb  
Trifolium wormskioldii Cow clover Perennial herb 7
Triglochin concinna Arrow grass Perennial herb (aquatic)  
Triglochin concinna var. debilis Slender arrow grass Perennial herb (aquatic)  
Triglochin maritima Seaside arrow grass Perennial herb (aquatic) 5
Trimorpha lonchophylla Spearleaved northern daisy Perennial herb  
Trisetum canescens Nodding trisetum Perennial grass  
Trisetum cernuum var. projectum Nodding oatgrass Perennial grass  
Trisetum spicatum Narrow oatgrass Perennial grass  
Trisetum wolfii Beardless oatgrass Perennial grass  
Triteleia grandiflora Largeflower triteleia Perennial herb  
Triteleia hyacinthina Wild hyacinth Perennial herb 9
Triteleia ixioides Pretty face Perennial herb 7
Triteleia ixioides ssp. anilina Mountain pretty face Perennial herb 1
Turritis glabra Tower rockcress Perennial herb  
Typha latifolia Broadleaf cattail Perennial herb (aquatic) 22
Urtica dioica Stinging nettle Perennial herb 11
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Utricularia macrorhiza Common bladderwort Perennial herb  
Utricularia ochroleuca Yellowishwhite bladderwort Perennial herb  
Valeriana californica California valerian Perennial herb  
Valeriana occidentalis Western valerian Perennial herb  
Vancouveria hexandra Northern vancouveria Perennial herb 21
Veratrum californicum California false hellebore Perennial herb 3
Veratrum californicum var. californicum California corn lily Perennial herb  
Verbena hastata Swamp verbena Perennial herb 8
Veronica americana American brooklime Perennial herb 6
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 19
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 beckwithii Great basin violet Perennial herb  
Viola glabella Stream violet Perennial herb 10
Viola hallii Hall's violet Perennial herb  
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 praemorsa Astoria violet Perennial herb 1
Viola praemorsa ssp. linguifolia Astoria violet Perennial herb  
Viola praemorsa ssp. praemorsa Astoria violet Perennial herb  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. dimorpha Goosefoot violet Perennial herb  
Viola purpurea ssp. mesophyta Goosefoot violet Perennial herb  
Viola purpurea ssp. mohavensis Mojave goosefoot violet Perennial herb  
Viola purpurea ssp. purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. venosa Desert violet Perennial herb  
Viola sheltonii Shelton's violet Perennial herb  
Viola sororia Common blue violet Perennial herb 2
Viola sororia ssp. affinis Northern bog violet Perennial herb  
Wyethia angustifolia Narrow leaved mule ears Perennial herb 9
Wyethia helenioides Whitehead wyethia Perennial herb 2
Wyethia mollis Woolly mule's ears Perennial herb 7
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus paniculatus Sand corn Perennial herb 2
Zigadenus venenosus Meadow deathcamas Perennial herb 2
Zigadenus venenosus var. venenosus Death camas Perennial herb  
  Lifeform: Fern40 plants
  Lifeform: Shrub222 plants
  Lifeform: Tree39 plants
  Lifeform: Vine1 plant
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in Modoc 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.