INTERIOR
Bear flower (Boykinia richardsonii) D S
Cottongrass (Eriophorum scheuchzen) S
Dwarf fireweed, Red willow herb (Epilobium latifolium) D S
Monkshood (Aconitum delphinifolium) D
Mountain bluebell (Mertensia paniculata) D
Red-stemmed saxifrage (Saxifraga lyallii) D
Whitish gentian (Gentiana algida) D
Yellow marsh saxifrage (Saxifraga hirculis) D

KENAI PENINSULA
Dwarf rhododendron, Lapland rosebay (Rhododendron lapponicum) D
Fireweed (Epilobium angustifolium) D S

SOUTHEAST
Beadruby, False lily-of-the-valley (Maianthemum dilatatum) D
Bunchberry (Cornus canadensis) D
Dwarf fireweed, Red willow herb (Epilobium latifolium) D
Roundleaf sundew (Drosera rotundifolia) D
Whorled lousewort (Pedicularis verticillata) D

CANYON AND PLATEAU COUNTRY
Armed prickly-poppy (Argemone munita) S
Banana yucca (Yucca baccata) D S
Beauty indigo-bush (Psorothamnus arborescens var. pubescens) S
Blue bowls (Gilia rigidula) D
Bristly langloisia (Langloisia setosissima) D
Brittlebush (Encelia farinosa) D S
Canada violet (Viola canadensis) D
Cardinal monkeyflower, Scarlet monkeyflower (Mimulus cardinalis) D S
Claretcup cactus, Claret cup hedgehog (Echinicereus triglochidiatus var. triglochidiatus) D S
Climbing milkweed (Sarcostemma cynanchoides) D
Common paintbrush (Castilleja chromosa) D
Common pricklypear, Porcupine pricklypear (Opuntia erinacea) D
Davidson's sage (Salvia davidsonii) D
Desert larkspur (Delphinium parishii) D
Desert marigold (Baileya multiradiata) D
Desert prickly-pear, Engelmann's pricklypear (Opuntia phaeacantha) D
Desert sage (Salvia dorrii) D
Engelmann hedgehog-cactus (Echinocereus englemannii) D S
Fendler hedgehog, Strawberry hedgehog (Echinocereus fendleri) D S
Fetid marigold (Dyssodia pentachaeta) D
Giant helleborine, Stream orchid (Epipactis gigantea) D
Golden columbine (Aquilegia chrysantha) D
Golden mariposa (Calochortus nuttallii) D
Green stem paperflower (Psilostrophe sparsiflora) D
Hairy golden aster (Heterotheca villosa) D
Jimson weed (Datura wrightii) D S
Juniper lousewort (Pedicularis centranthera) D
Kennedy's mariposa (Calorchortus kennedyi) D
Mohave poppy (Eschscholzia glyptosperma) D
Narrow-leaved yucca (Yucca angustissima) S
Nelson's larkspur (Delphinium nuttallianum) D
Ocotillo (Fouquieria splendens ssp. splendens) S
Pale evening-primrose, Red stemmed evening primrose (Oenothera pallida var. pallida) D S
Palmer's penstemon (Penstemon palmeri var. palmeri) D
Peach Springs breadroot (Pediomelum retrorsum) D
Plains pricklypear (Opuntia polycantha var. nicholii) D S
Rocky Mountain beeplant (Cleome serrulata) D
Rough mulesears (Wyethia scabra var. scabra) D S
Sand verbena (Abronia elliptica) D
Scarlet gilia (Gilia aggregata) D
Showy four-o'clock (Mirabilis multiflora) D
Sinuous mariposa, Weakstem mariposa (Calochortus flexuosis) D
Spreading daisy (Erigeron divergens) D
Strawberry hedgehog (Echinocereus fendleri) D
Thick-leaved ground cherry (Physalis crassifolia) D
Thompson's penstemon (Penstemon thompsoniae) D
Twining snapdragon (Maurandya antirrhiniflora) D
Utah century-plant (Agave utahensis) S
Water-cress (Nasturtium officinale) D
Water speedwell (Veronica anagallis-aquatica) D

MOUNTAINS
Canada violet (Viola canadensis) D
Desert mountain phlox (Phlox austromontana) D
Newberry's twinpod (Physaria newberryi) D S
New Mexico checker (Sidalcea neomexicana) S
Orange sneezeweed (Helenium hoopesii) S
Pine spiderwort (Tradescantia pinetorum) D
Showy lewisia, Southwestern lewisia (Lewisia brachycalyx) D
Southern ligusticum (Ligusticum porteri) S
Spotted joe-pye-weed (Eupatorium maculatum) S
Water crowfoot (Ranunculus aquatilis) S
Wheeler's thistle (Cirsium wheeleri) S

SONORAN DESERT
Beautiful dalea (Dalea formosa) D
Blue dicks (Dichelostemma pulchellum) D
Brittlebush (Encelia farinosa) D S
Buckhorn cholla (Opuntia acanthocarpa) D S
Chain fruit cholla (Opuntia fulgida) D S
Chia (Salvia columbariae) D
Cobblestone fiddleneck (Amsinckia tessellata) D
Collom's echeveria (Echeveria collomae) D
Common flax (Linum usitatissimum) D alien
Cooper's paperflower (Psilostrophe cooperi) D S
Coulter's lupine (Lupinus sparsiflorus) D
Crenulate phacelia, Notch-leafed phacelia (Phacelia crenulata) D S
Desert christmas flower, fruit (Opuntia leptocaulis) D
Desert lily (Hesperocallis undulata) D
Desert prickly pear (Opuntia phaeacantha var. discata) D
Desert thistle (Cirsium neomexicana) D
Emory's rock daisy (Perityle emoryi) D
*Engelmann hedgehog cactus (Echinocereus englemannii) D S
False garlic (Nothoscordum texanum) D
Golden columbine, Canary columbine (Aquilegia chrysantha) D
Gordon's bladderpod (Lesquerella gordonii) S
Hoary blackfoot (Melampodium cinereum) D
Lovely larkspur (Delphinium amabile) D
Mexican goldpoppy, Mexican gold poppies, (Eschscholzia californica ssp. mexicana) D S
Mohave desert star (Monoptilon belloides) D
Mustard evening primrose (Cammissonia californica) D
Ocotillo (Fouquieria splendens ssp. splendens) S
Organ pipe cactus (Cereus thurberi) D S
Purple owl's-clover, Red owl's-clover (Castilleja exserta) D S
Rough fiddleneck (Amsinckia intermedia) D
Saguaro (Cereus giganteus) D S
Scarlet sage (Stachys coccinea) D
Southwestern vervain (Verbena gooddingii var. nepetifolia) D
Tangled fishhook (Mammilaria microcarpa) D
Teddy bear cholla (Opuntia bigelovii) D S
Tufted evening-primrose (Oenothera caespitosa) D S
Twining snapdragon (Maurandya antirrhiniflora) D
Wild zinnia (Zinnia acerosa) D
Woolly daisy (Eriophyllum lanosum) D
Yellow desert evening primrose (Oenothera primiveris) D

Birdfoot violet (Viola pedata) D
Canadian columbine (Aquilegia canadensis) S
Crested dwarf iris (Iris cristata) D
Fire pink (Silene virginica) D

COAST AND COAST RANGES
Baby blue-eyes (Nemophila menziesii var. atomaria) D
Beach evening primrose (Camissonia cheiranthifolia) D
Beach morning glory (Calystegia soldanella) D S
Bleeding heart (Dicentra formosa) D
Blue blossom (Ceanothus thyrsiflora) D
Blue-eyed grass (Sisyrinchium bellum) D
Brook wakerobin (Trillium rivale) D
Bush monkeyflower (Mimulus aurantiacus) D
California fawn lily (Erythronium californicum) D
California goldfields (Lasthenia californica) D S
California lady's-slipper (Cypripedium californica) D S
California peony (Paeonia californica) D
California pitcher plant (Darlingtonia californica) D S
California rose-bay, Western rhododendron (Rhododendron macrophyllum) D S
Canyon sunflower (Venegasia carpesiodes) S
Chaparral zigadene (Zigadenus fremontii) D
Chick lupine (Lupinus microcarpus var. densiflorus) D S
California poppy (Eschscholzia californica) D S
California toothwort (Cardamine californica) D
Checker bloom (Sidalcea malvaeflora var. malvaeflora) D
Chick lupine (Lupinus microcarpus var. densiflorus) D S
Chocolate lily (Fritillaria biflora var. biflora) D
Coast blue larkspur (Delphinium decorum) D
Coast cholla (Opuntia prolifera) D
Coast man-root (Marah oreganus) D S
Coast morning glory (Calystegia soldenella) D S
Coast paintbrush (Castilleja affinis ssp. affinis) D
Columbia lily (Lilium columbianum) D S
Common madia (Madia elegans ssp. vernalis) D S
Common monkeyflower (Mimulus guttatus) S
Common vetch (Vicia angustifolia) D alien
Cow parsnip (Heracleum lanatum) D S
Crimson columbine (Aquilegia formosa) D
Deerweed (Lotus dentroideus var. dentriodeus) D
Diogenes lantern (Calochortus amabilis) D
Douglas' iris (Iris douglasiana) D S
Douglas' lupine (Lupinus nanus) D S
Fetid adders-tongue (Scoliopus bigelovii) D
Firecracker flower (Dichelostemma ida-maia) D
Footsteps of spring (Sanicula arctopoides) D
Forget-me-not (Myosotis discolor) D alien
Giant coreopsis (Coreopsis gigantea) D S
Hound's tongue (Cynoglossum grande) D
Indian pipe (Monotropa uniflora) D
Indian warrior (Pedicularis densiflora) D
Island wallflower (Erysimum insulare) D
Johnny-jump-up (Viloa pedunculata) D S
Lemon-colored fawn lily (Erythronium citrinum) D
Long-tubed iris (Iris tenuissima ssp. tenuissima) D
Milk maids, California toothwort (Cardamine californica) D
Miner's lettuce (Montia perfoliata) D
Nootka rose (Rosa nutkana) D
Padres' shooting star (Dodecatheon clevelandii ssp. insulare) D
Pitcher sage (Salvia spathacea) D
Powdery dudleya (Dudleya farinosa) D
Purple nightshade (Solanum xanti) D
Red ribbons (Clarkia concinna ssp. concinna) D
Redwood sorrel (Oxalis oregana) D S
Redwood violet (Viola sempervirens) D
Riverbank lupine (Lupinus rivularis) S
Rosy butter-and-eggs (Triphysaria eriantha ssp. rosea) D
Salmonberry (Rubus spectabilis) D S
Santa Cruz Island bird's-foot trefoil (Lotus argophyllus var. niveus) D S
Seaside daisy (Erigeron glaucus) D S
Seaside lotus (Lotus formosissimus) D
Seathrift, Sea-pink (Armeria maritima ssp. californica) S
Shaw's agave (Agave shawii) D S
Sheep sorrel (Rumex acetosella) S alien
Silver lupine (Lupinus albifrons var. douglasii) D
Stream violet (Viola glabella) D
Tracy's larkspur (Delphinium decorum ssp. tracyi) D S
Wallace's nightshade (Solanum wallacei) D
Western azalea (Rhododendron occidentalis) D S
Western morning glory (Calystegia purpurata ssp. purpurata) D S
Western trillium (Trillium ovatum var. ovatum) D S
Western white anemone (Anemone deltoidea) D
White trillium, Giant trillium (Trillium albidum) D S
Wild cucumber (Marah macrocarpus) D
Wild ginger (Asarum caudatum) D
Wishbone bush (Mirabilis californica) D
Woolly lasthenia (Lasthenia minor) D
Woolly paintbrush (Castilleja foliolosa) D
Yellow bush lupine, Yellow tree lupines (Lupinus arboreus) D S
Yellow pond-lily (Nuphar luteum ssp. polysepalum) D S
Yellow sand verbena (Abronia latifolia) D
Yellow skunk cabbage (Lysichiton americanum) D S

DESERT
Apricot mallow (Sphaeralcea ambigua var. rugosa) D
Arizona lupine (Lupinus arizonicus) D S
Beavertail cactus (Opuntia basilaris) D
Bigelow's brandegea (Brandegea bigelovii) D
Bigelow's monkeyflower (Mimulus bigelovii) D S
Blue-eyed grass (Sisyrinchium bellum) D
Borrego milkvetch (Astragalus lentiginosus var. borreganus) S
Brittlebush (Encelia farinosa) D S
Broadleaf gilia (Gilia latifolia) D
Brown-eyed evening primrose (Camissonia claviformis) D S
California barrel cactus (Ferocactus cylindraceus var. cylindraceus) D S
California coreopsis (Coreopsis californica) D S
California goldfields, Goldfields (Lasthenia californica) D S
Calthaleaf phacelia (Phacelia calthifolia) D
Chia (Salvia columbariae) D
Chuparosa (Justicia californica) D S
Common phacelia (Phacelia distans) D S
Common vetch (Vicia sativa ssp. nigra) D alien
Coyote melon (Cucurbita palmata) D
Death Valley brown-eyed primrose (Camissonia claviformis var. funerea) D
Death Valley gilmania (Gilmania luteola) D
Death Valley mohavea (Mohavea breviflora) D
Death Valley phacelia (Phacelia vallis-mortae) D
Desert agave (Agave deserti) D S
Desert chicory (Rafinesquia neomexicana) D
Desert dandelion (Malacothrix glabrata) D S
Desert fivespot (Eremalche rotundifolia) D
Desert four o'clock (Mirabilis bigelovii var. rettrorsa) D
Desert gold poppy (Eschscholzia glyptosperma) D
Desert indian paintbrush (Castilleja angustifolia) D
Desert lily (Hesperocallis undulata ) D S
Desert rock nettle (Eucnide urens) D
Desert sand verbena (Abronia villosa var. villosa) D
Desert shredding primrose (Camissonia boothii ssp. desertorum) D
Desert sunflower, Desertgold (Geraea canescens) D S
Desert tobacco (Nicotiana obtusifolia) D
Dune evening primrose, Birdcage evening primrose (Oenothera deltoides ssp. deltoides) D S
Emory's rock daisy (Perityle emoryi) D
Engelmann's hedgehog cactus (Echinocereus engelmannii) D S
Esteve's pincushion (Chaenactis stevioides) D
Fern-leaf phacelia (Phacelia tanacetifolia) D S
Fish-hook cactus (Mammillaria dioica) D
Fremont's phacelia (Phacelia fremontii) D
Ghost flower (Mohavea confertiflora) D
Joshua tree (Yucca brevifolia) D S
Mohave yucca (Yucca schidigra) D S
Mojave desert-star (Monoptilon bellioides) D
Mojave mound cactus (Echinocactus polycephalus var. polycephalus) D
Ocotillo (Fouquieria splendens ssp. splendens) D S
Palmer's monkeyflower (Mimulus palmeri) S
Parish's poppy (Eschscholzia parishii) D
Prickly poppy (Argemone munita) D
Purple mat (Nama demissum var. covillei) D
Pygmy poppy (Eschscholzia minutiflora) D S
Rock hibiscus (Hibiscus denudatus ) D
San Bernardino gilia (Gilia cana ssp. triceps) D
Sand blossoms (Linanthus parryae) D
Scarlet milkvetch (Astragalus coccineus) D
Teddy-bear cholla (Opuntia bigelovii) D S
Thistle sage (Salvia carduacea) D
Tobacco weed (Atrichoseris platyphylla) D
Trailing townula (Sarcostemma hirtellum) D
Turtleback (Psathyrotes ramosissima) D
White bear poppy (Arctomecon merriamii) D
Woody bottle-washer (Camissonia boothii) D
Yellow cups (Camissonia brevipes ssp. brevipes) D
Yellow peppergrass (Lepidium flavum) D

FOOTHILLS AND VALLEYS
Arroyo lupine (Lupinus succulentus) D
Baby blue-eyes (Nemophila menziesii var. menziesii) D S
Bird's eyes (Gilia tricolor) S
Blazing star (Mentzelia pectinata) S
Blue dicks (Dichelostemma capitatum) D
Butter-and-eggs (Triphysaria eriantha ssp. eriantha) D S
Calla lily (Zantedeschia aethiopica) D S alien
California catchfly, California indian pink (Silene californica) D
California coreopsis (Coreopsis californica) D S
California goldfields, Goldfields (Lasthenia californica, Lasthenia chrysostoma ) D S
California poppy, California poppies (Eschscholzia californica) D S
California milkweed (Asclepias californica) D
Chinese houses (Collinsia heterophylla) D
Chinese lantern phacelia (Phacelia ciliata) D S
Cleveland's shooting star (Dodecatheon clevelandii) D S
Coastal tidy tips, Tidy tips (Layia platyglossa) D S
Collarless California poppy (Eschscholzia caespitosa) D
Common muilla (Muilla maritima) D
Cream cups (Platystemon californicus) D
Diogenes lantern (Calochortus amabilis) D
Douglas' lupine (Lupinus nanus) D S
Dudley's clarkia (Clarkia dudleyana) D S
Elegant clarkia (Clarkia unguiculata) D
Fairy slipper (Calypso bulbosa) D
Fern leaf phacelia, Tansyleaf phacelia (Phacelia tanacetifolia) D S
Fiddleneck (Amsinckia intermedia) D S
Golden brodiaea (Triteleia ixioides ssp. scabra) D
Goldfields (Lasthenia glaberrima) D S
Gold nuggets (Calochortus luteus) D
Harvest brodiaea (Brodiaea coronaria ssp. coronaria) D
Indian warrior (Pedicularis densiflora) D
Ithuriel's spear (Triteleia laxa) D
Johnny-jump-up (Viola pedunculata) D S
Lanceleaf monolopia (Monolopia lanceolata) S
Leafystem coreopsis (Coreopsis calliopsidea) D S
Long-tubed iris (Iris tenuissima ssp. tenuissima) D
Miner's-lettuce (Montia perfoliata) D
Mustang clover (Linanthus montanus) D
Munz' tidy-tips (Layia munzii) D S
Padres' shooting star (Dodecatheon clevelandi ssp. patulum) D S
Pipestems (Clematis lasiantha) D
Pitcher sage (Salvia spathacea) D
Purple nightshade (Solanum xanti) D
Purple owl's-clover, Red owl's-clover (Castilleja excerta) D S
Pygmyweed (Crassula connata) S
Redbud, Western redbud (Cercis occidentalis) D S
Red maids (Calandrinia ciliata) D
Roundtooth ookow (Dichelostemma congestum) D
Royal larkspur (Delphinium variegatum ssp. variegatum) D
Superb mariposa lily (Calochortus superbus) D
Tree poppy (Dendromelon rigida) S
Thistle sage (Salvia carduacea) D
White globe lily (Calochortus albus) D
Wild canterbury bell (Phacelia minor) D
Wind poppy (Stylomecon heterophylla) D

MOUNTAINS
Applegate's paintbrush (Castilleja applegatei ssp. pinetorum) D
Arrowleaved balsamroot (Balsamorhiza sagittata) S
Aspen onion (Allium bisceptrum var. bisceptrum) D
Bach's downingia (Downingia bacigalupii) D
Bird's eyes (Gilia tricolor ssp. diffusa) D
Bitter root (Lewisia rediviva) D
Brewer's lupine (Lupinus breweri) D
California catchfly (Silene californica) D
California dudleya (Dudleya cymosa ssp. cymosa) D
California pitcher plant (Darlingtonia californica) D S
California polemonium (Polemonium californicum) D
Canyon pea (Lathyrus vestitus var. vestitus) D
Chaparral current (Ribes malvaceum) D
Cliff maids, Siskiyou lewisia (Lewisia cotyledon var. cotyledon) D
Columbia windflower (Anemone deltoidea) D
Colville's columbine (Aquilegia pubescens) D
Common camas (Camassia quamash ssp. breviflora) D S
Common yellow monkeyflower (Mimulus guttatus) D S
Cow parsnip (Heracleum lanatum) D S
Crimson columbine, Red columbine (Aquilegia formosa) D
Davidson's phacelia (Phacelia davidsonii) D
Deltoid balsam-root (Balsamorhiza deltoidea) D S
Douglas' violet (Viola douglasii) D
Douglas' wild buckwheat (Eriogonum douglasii var. douglasii) D
Dwarf lousewort (Pedicularis semibarbata) D
Dwarf lupine (Lupinus lepidus var. lobbii) S
Dwarf yellow fleabane (Erigeron austiniae) D
Eastwood's nemophila (Nemophila pulchella var. pulchella) D
Elephant's head (Pedicularis groenlandica) D
Fairy slipper, Calypso orchid (Calypso bulbosa) D
Field owl's-clover (Castilleja campestris ssp. campestris) D
Fiesta flower (Pholistoma auritum var. auritum) D
Giant blue-eyed-mary (Collinsia grandiflora) D
Great Basin violet (Viola beckwithii) D
Hairy balsamroot (Balsamorhiza hirsuta) S
Harlequin lupine (Lupinus stiversii) D
Hartweg's wild-ginger (Asarum hartwegii) D
Indian dream (Aspidotis densa) D
Interior rose (Rosa woodsii var. ultramontana) D
Magenta paintbrush (Castilleja parviflora) S
Indian rhubarb (Darmera peltata) S
Inside-out-flower (Vancouveria hexandra) D
Interior rose (Rosa woodsii var. ultramontana) D
Jeffrey's shooting star (Dodecatheon jeffreyi) D
Kellogg's tiger lily (Lilium kelloggi) D
Lemmon's paintbrush (Castilleja lemmonii) D S
Leopard lily (Lilium pardalinum) D S
Lewis's lomatium (Lomatium triternatum) D
Linearleaf fleabane daisy (Erigeron filifolius) D
Lowly penstemon (Penstemon humilis var. humilis) D
Meadow penstemon (Penstemon rydbergii) D
Mountain dogwood (Cornus nuttallii) D S
Mountain heather (Phyllodoce breweri) D S
Mountain pride (Penstemon newberryi var. newberryi) D S
Needle navarretia (Navarretia intertexta ssp. propinqua) D
Nuttall's linanthus (Linanthus nuttallii ssp. pubescens) D
Old man's whiskers (Geum triflorum) D
Pacific sedum (Sedum spathulifolium) D
Pink star onion (Allium platycaule) D
Prickly phlox (Leptodactylon californicum) D
Prickly poppy (Argemone munita) D
Purple nightshade (Solanum xanti) D
Queen cups (Clintonia uniflora) D
Redbud, Western redbud (Ceris occidentalis) D S
Red larkspur (Delphinium nudicaule) D
Red ribbons (Clarkia concinna ssp. concinna) D
Rock fringe (Epilobium obcordatum) D
Rosy fairy lantern (Asclepias californica) D
Seep spring arnica (Arnica longifolia) D S
Showy milkweed (Asclepias speciosa) D S
Showy phlox (Phlox speciosa ssp. occidentalis) D
Sierra nemophila (Nemophila spatulata) D
Sierra lupine (Lupinus grayii) S
Silver bush lupine (Lupinus albifrons var. albifrons) D
Siskiyou iris (Iris bracteata) D
Slim solomon's seal (Smilacina stellata) D
Small-flowered paintbrush (Castilleja parviflora) D
Snow plant (Sarcodes sanguinea) D S
Spreading phlox (Phlox diffusa) D
Square mariposa tulip (Calochortus venustus) D
Sulphur flower (Eriogonum umbellatum var. polyanthum) D
Thread-leaf fleabane daisy (Erigeron filifolius var. filifolius) D
Two-horned downingia (Downingia bicornuta) D
Western blue flag, Missouri iris (Iris missouriensis) D S
Whisker brush (Linanthus ciliatus) D
White-flowered bog-orchid (Platanthera leucostachys) D
White heather (Cassiope mertensiana) D S
* White-stemmed swertia (Swertia albicaulis var. albicaulis) D
Wiggin's lily (Lilium pardalinum ssp. wigginsii) D
Wild canterbury bell (Phacelia minor) D

CANYON AND PLATEAU COUNTRY
Arizona mulesears (Wyethia arizonicus) D
Arrowleaf balsamroot (Balsamorhiza sagittata) D S
Blue flax (Linum perenne) D
Broad-leaf bluebells (Mertensia ciliata) D
Butter-and-eggs (Linaria vulgaris) alien D
Capitate waterleaf (Hydrophyllum capitatum) D
Claretcup cactus (Echinocereus triglochidiatus var. melanacanthus) D
Colorado columbine (Aquilegia caerulea) D S
Creeping mahonia (Mahonia repens) D
Datil yucca (Yucca baccata) D
Dwarf beardtongue (Penstemon caespitosus) D
False solomon's seal (Smilacina stellata) D
Fivenerve sunflower (Helianthella quinquenervis) D
Fleabane daisy (Erigeron pumilus) D
Gauge plant (Senecio integerrimus) D
Golden-aster, Hairy goldenaster (Heterothera villosa) S
Golden pea (Thermopsis montana) D S
Goldenweed (Stenotus acaulis) D
Gray's lousewort (Pedicularis procera) D
Lion's beard, Sugarbowl (Clematis hirsutissima) D
Nuttall's violet (Viola praemorsa) D
Old-man's beard (Geum triflorum) D
Orange agoseris (Agoseris aurantiaca) D
Orange sneezeweed (Helenium hoopesii) D S
Pale evening-primrose (Oenothera pallida var. trichocalyx) D
Pink corydalis (Corydalis caseana ssp. brandegi) D
Sand lupine (Lupinus polyphyllus var. ammophilus) D
Scarlet gilia (Ipomopsis aggregata) D
Sego lily (Calochortus nuttallii) D
Showy lupine (Lupinus polyphyllus var. ammophilus) D
Showy rushpink (Lygodesmia grandiflora) D
Siskiyou aster (Aster hesperius) D
Spurred lupine (Lupinus caudatus) D
Utah serviceberry (Amelanchier utahensis) S
Whipple's penstemon (Penstemon whippleanus) D
Wood's rose (Rosa woodsii) D
Woolly locoweed (Astragalus mollissimus var. thompsonae) D
Yellow stonecrop (Sedum lanceolatum) D

ROCKY MOUNTAINS
Alpine forget-me-not (Eritrichium aretioides) D
Alpine paintbrush (Castilleja puberula) D
Alpine phlox (Phlox condensata) D
Alpine sunflower (Hymenoxys grandiflora) D S
Arrowleaf groundsel (Senecio triangularis) D S
Barby's delphinium (Delphinium barbeyi) D
Bracted lousewort (Pedicularis bracteosa) S
Butter-and-eggs, Common toadflax (Linaria vulgaris) D S alien
Colorado columbine, Colorado blue columbine (Aquilegia caerulea) D S
Cow parsnip (Heracleum lanatum) S
Cushion lupine (Lupinus caespitosus) D
Dogtooth violet, Glacier lily (Erythronium grandiflorum) D
Dwarf beardtongue (Penstemon caespitosus) D
Elephant's head (Pedicularis groenlandica) D
False hellebore (Veratrum tenuipetalum) D
Fireweed (Epilobium angustifolium) D S
Giant hyssop (Agastache urticifolia) S
Grayleaf creeping penstemon (Penstemon teucriodes) D
Green gentian (Swertia radiata) D S
Greenleaf chiming bells, Lanceleaf lungwort (Mertensia lanceolata) D
Heartleaf bittercress (Cardamine cordifolia) S
King's crown (Sedum rosea) D
Lambert's locoweed (Oxytropis lambertii) D S
Little sunflower, Aspen sunflower (Helianthella quinquenervis) D S
Marshmarigold (Caltha leptosepala) D S
Monkshood (Aconitum columbianum) S
Moss campion (Silene acaulis) D
Mountain bluebell (Mertensia ciliata) D S
Mountain blue violet (Viola adunca var. bellidfolia) D
Mule's ears, Northern mule's ears (Wyethia amplexicaulis) D S
Narrow-leaf penstemon (Penstemon angustifolius) D
Orange sneezeweed, Sneezeweed (Helenium hoopesii) D S
Parry's primrose (Primula parryi) D S
Pink corydalis (Corydalis caseyana ssp. brandegei) D
Porter's lovage, Porter's loveroot (Ligusticum porteri) S
Rhexia-leaved paintbrush, Rosy paintbrush (Castilleja rhexifolia) D S
Richardson's geranium (Geranium richarsonii) S
Showy daisy, Aspen daisy (Erigeron speciosus) D S
Silvery lupine (Lupinus argenteus) D S
Sky pilot (Polemonium viscosum) D
Spotted coralroot (Corallorhiza maculata) D
Sulphur paintbrush (Castilleja sulphurea) D S
Taper-leaved clover (Trifolium attenuatum) D
Towering polemonium (Polemonium foliosissimum) D S
Watson penstemon (Penstemon watsonii) D
Western coneflower (Rudbeckia occidentalis) D
Western yellow paintbrush (Castilleja occidentalis) D S
Wild blue flax (Linum lewisii) D S
Yellow paintbrush (Castilleja occidentalis) D S
Yellow pondlily (Nuphar lutea ssp. polysepala) D S
Yellow stonecrop (Sedum lanceolatum) D

HAWAII
Beach morning glory (Ipomoea congesta) D S

MAUI
Naupaka-kahakai (Scaevola taccada) S
Silversword (Railliardia ciliolata) D S

MOUNTAINS
Applegate's paintbrush (Castilleja applegatei) D
Bear grass (Xenophyllum tenax) D S
Bigleaf lupine (Lupinus polyphyllus var. burkei) S
Brown's peony (Paeonia brownii) D
Columbia clematis (Clematis columbiana) D
Early blue violet (Viola adunca var. adunca) D
*Elephant's head (Pedicularis groenlandica) D S
*Fairy slipper (Calypso bulbosa) D
False hellebore (Veratrum californicum var. californicum) S
Few-leaved groundsel (Senecio cymbalarioides) D S
Heart-leaf arnica (Arnica cordifolia var. cordifolia) D
Jeffrey's shooting star (Dodecatheon jeffreyi) D S
Little larkspur (Delphinium bicolor) D
Meadow buttercup (Ranunculus acris) D alien
Miner's lettuce (Montia uniflora) D
Mountain arnica (Arnica latifolia var. gracilis) D S
Naked broomrape (Orobanche uniflora var. minus) D
Nine-leaf lomatium (Lomatium triternatum) D
Northern wyethia (Wyethia amplexicaulis) D
Palish indian paintbrush (Castilleja pallescens) D
Pink microsteris (Microsteris gracilis) D
Queen's cup (Clintonia uniflora) D
Scarlet gilia (Ipomopsis aggregata) D
Scarlet paintbrush (Castilleja miniata var. miniata) S
Silky lupine (Lupinus sericeus var. sericeus) S
Slender paintbrush (Castilleja gracillima) S
Small-flowered blue-eyed-mary (Collinsia parviflora) D
Small-flowered woodland star (Lithophragma parviflora) D
Spotted coral-root (Corallorhiza maculata) D
Starry solomon's seal (Smilacina stellata) D
Subalpine arnica (Arnica rydbergii) D
Syringa (Philadelphus lewisii) D
Taper-leaved penstemon (Penstemon attenuatus var. militaris) D S
Threadleaf phacelia (Phacelia linearis) D
Three-flowered avens (Geum triflorum) D
Vaseflower (Clematis hirsutissima) D
Water-plantain buttercup (Ranunculus alismaefolius) D S
White bog-orchid (Habenaria dilitata var. dilitata) D S
White-rayed wyethia, White mule's-ears (Wyethia helianthoides) D
White swertia (Swertia montana) D
Wide-fruit mariposa (Calochortus eurycarpus) D
Woods forget-me-not (Myosotis sylvatica var. alpestris) D
Yellow buckwheat (Eriogonum flavum var. piperi) S

SNAKE RIVER PLAIN
Antelope bitterbrush (Purshia tridentata) S
Dwarf monkeyflower (Mimulus nanus) D
Giant helleborine, Stream orchid (Epipactis gigantea) D
Gland cinquefoil (Potentilla glandulosa) D S
Kansas sunflower (Helianthus annuus) D
Nakedstem sunray (Enceliopsis nudicaulis) D S
Scabland penstemon (Penstemon deustus) D
Scorpionweed (Phacelia hastata) D
Woolly sunflower (Eriophyllum lanatum var. integrifolium) D
Yellow monkeyflower (Mimulus guttatus var. guttatus) D S

New York aster (Aster novae-belgii) D

Yellow trumpets (Sarracenia alata) D

Alpine avens (Geum rossii var. turbinatum) D
Alpine forget-me-not (Eritrichium howardii) D
Alpine laurel, Small-leaved laurel (Kalmia microphyllum) D
Beargrass (Xerophyllum tenax) D S
Blanket-flower (Gaillardia aristata) D
Blue clematis (Clematis occidentalis) D
Blueleaf strawberry (Fragaria virginiana var. glauca) D
Broad-leaf bluebells (Mertensia ciliata) D
Early blue violet (Viola adunca var. adunca) D
Explorer's gentian (Gentiana calycosa) D
Fireweed (Epilobium angustifolium) D S
Green bluebells (Mertensia vindis) D
Hooker's fairybells (Disporum hookeri) D
Jacob's-ladder (Polemonium pulcherrimum) D
Lewis' monkeyflower (Mimulus lewisii) D S
Low larkspur (Delphinium nuttallianum) D
Modest buttercup (Ranunculus verecundus) D
Northern mule's-ears (Wyethia amplexicaulis) D S
Old man's whiskers (Geum triflorum) D
Pasqueflower (Anemone occidentalis) D
Red mountain-heath (Phyllodoce empetriformis) D
Rhexia-leaved paintbrush (Castilleja rhexifolia) D
Rydberg's penstemon (Penstemon rydbergii) D
Queen's cup (Clintonia uniflora) D
Silky phacelia (Phacelia sericea var. ciliosa) D
Yellow fawn-lily, Glacier lily (Erythronium grandiflora var. grandiflora) D S
Wood's forget-me-knot (Myosotis alpestris) D

GREAT BASIN
Desert dandelion (Malacothrix glabrata) S
Utah thistle (Cirsium utahense) S

MOJAVE DESERT
Bear-paw poppy (Arctomecon californica) D
Birdcage evening primrose, Tufted evening-primrose (Oenothera caespitosa) D S
Brittlebush (Encelia farinosa) D S
Jimson-weed (Datura stramonium) D S
Mohave aster (Xylorhiza tortifolia) S
Sunray (Enceliopsis argophylla) S

MOUNTAINS
Colorado columbine (Aquilegia coerulea) D S
Parry's primrose (Primula parryi) D

COLORADO PLATEAU
Blue flax (Linum perenne) D
Claretcup cactus (Echinocereus triglochidiatus) D
Creeping vervain (Verbena ciliata) D
Crescent milkvetch (Astragalus amphioxys var. amphioxys) D
Fendler's bladder-pod (Lesquerella fendleri) D
Fendler's penstemon (Penstemon fendleri) D S
Firewheel (Gaillardia pulchella) D
Fragrant sand-verbena (Abronia fragrans) D
Golden corydalis (Corydalis aurea) D
Hoary daisy (Machaeranthera canescens) D
Missouri iris, Western blue flag iris, (Iris missouriensis) D
Southwestern paintbrush (Castilleja integra) D
Uintah groundsel (Senecio multilobatus) S
Western wallflower (Erysimum asperum) D S
Yellow rag-weed (Bahia dissecta) D

Painted trillium (Trillium undulatum) D

MOUNTAINS
Canada violet (Viola canadensis) D
Common chickweed (Stellaria media) D alien
Golden ragwort (Senecio aureus) S
Jack-in-the-pulpit (Arisaema atrorubens) D
Large flowered trillium (Trillium grandiflora) D S
Lowrie's aster (Aster lowrieanus) D
Northern white violet (Viola pallens) D
Purple phacelia (Phacelia bipinnatifida) D
White erect trillium (Trillium erectum forma albiflorum) D
Wild geranium (Geranium maculatum) S
Yellow trillium (Trillium luteum) D

PIEDMONT
Red trillium (Trillium erectum) D

Common yarrow (Achillea millefolium) S
Goldenweed (Haplopappus acaulis) S
Gumbo evening primrose (Oenothera caespitosa) D S
Leafy spurge (Euphorbia esula) S alien
Textile onion (Allium textile) S

COAST AND COAST RANGES
California pitcher plant (Darlingtonia californica) D
Coast fawn lily (Erythronium revolutum) D
Cow parsnip (Heracleum lanatum) S
Davidson's penstemon (Penstemon davidsonii var. menziesii) D
Del Norte County iris (Iris innominata) D
Douglas iris (Iris douglasii) D S
Fairy lantern (Disporum smithii) D
False lily-of-the-valley (Maianthemum dilatatum) D
Field chickweed (Cerastium arvense) S
Fringecup (Tellima grandiflora) D
Harsh paintbrush (Castilleja hispida var. hispida) D
Rosy plectritis (Plectritis congesta) D
Seashore lupine (Lupinus littoralis) D S
Skunk cabbage (Lysichitum americanum) D S
Smith fairy-bell (Disporum smithii) D
Spreading phlox (Phlox diffusa) D
Stream violet (Viola glabella) D
Western rhododendron, Pacific rhododendron (Rhododendron macrophyllum) D S
Yellow monkeyflower (Mimulus guttatus var. depauperatus) D
Youth-on-age, Pig-a-back-plant (Tolmiea menziesii) D

CASCADE RANGE
Alpine laurel (Kalmia microphylla) S
Arrowleaf groundsel (Groundsel triangularis) S
Bigleaf lupine (Lupinus polyphyllus var. burkei) D
Broadleaf lupine (Lupinus latifolius) S
Bunchberry (Cornus canadensis) D
Columbia kittentails (Synthyris stellata) D
Columbia larkspur (Delphinium trolliifolium) D
Cow parsnip (Heracleum lanatum) S
Davidson's penstemon (Penstemon davidsonii) D
Dutchman's breeches (Dicentra cucullaria) D
Dwarf lupine (Lupinus lepidus var. lobbii) D
Elephant's head (Pedicularis groenlandica) S
Fairy-slipper, Calypso orchid (Calypso bulbosa) D
False solomon's seal (Smilacina racemosa) S
Fireweed (Epilobium angustifolium) S
Gray's lovage (Ligusticum grayi) S
Hairy arnica (Arnica mollis) S
Henderson's fawn lily (Erythronium hendersonii) D
Large-flowered blue-eyed mary (Collinsia grandiflora) D
Leafy arnica (Arnica chamissonis var. incana) S
Lewis monkeyflower (Mimulus lewisii) D S
Newberry's knotweed (Polygonum newberryi) S
Orange honeysuckle (Lonicera ciliosa) D
Oregon sedum (Sedum oregonum) S
Pacific bleeding heart (Dicentra formosa) D
Pussy ears (Calochortus tolmiei) D
Red columbine (Aquilegia formosa) D S
Scarlet paintbrush (Castilleja miniata) S
Scouler's corydalis (Corydalis scouleri) D
Seep-spring arnica (Arnica longifolia) D
Skunk-leaved polemonium (Polemonium pulcherrimum) D
Streambank arnica (Arnica amplexicaulis) S
Subalpine daisy (Erigeron peregrinus) D
Suksdorf's paintbrush (Castilleja suksdorfii) D S
Trout lily, Giant fawn-lily (Erythronium oregonum) D
Washington lily (Lily washingtonianum) D
Western pasqueflower (Anemone occidentalis) S
Western rhododendron (Rhododendron macrophyllum) S
Western trillium (Trillium ovatum) D S
Western white anemone (Anemone deltoidea) D
White bog orchid (Habenaria dilatata var dilatata) S

HIGH DESERT
Arrowleaf balsamroot (Balsamorhiza sagittata) D S
Bach's downingia (Downingia bacigalupii) D
Columbia desert parsley (Lomatium columbianum) D
Cusick's sunflower (Helianthus cusickii) S
Fragrant popcorn flower (Plagiobothrys figuratus) D
Golden spiderflower (Cleome platycarpa) D S
Hyacinth brodiaea (Brodiaea hyacinthina) D
John Day chaenactis (Chaenactis nevii) S
Least navarretia (Navarretia minima) D
Tansy-leaf evening-primrose (Camissonia tanacetifolia) D
Upland larkspur (Delphinium columbianum) D

GREAT BASIN AND EASTERN MOUNTAINS
Arrowleaf balsamroot (Balsamorhiza sagittata) S
Arrowleaf groundsel (Senecio triangularis) S
Big-head clover (Trifolium macrocephalum) D
Broad-leaf bluebell (Mertensia ciliata) D
Davidson's penstemon (Penstemon davidsonii var. menziesii) D
Elephant's-head (Pedicularis groenlandica) D S
Elkhorns clarkia, Pink fairies (Clarkia pulchella) D
Elkslip marshmarigold (Caltha leptosepala var. leptosepala) S
Five-fingered cinquefoil (Potentilla gracilis) S
Hairy arnica (Arnica mollis) S
Large mountain monkeyflower (Mimulus tilingii) S
Lewis monkeyflower (Mimulus lewisii) D S
Orange sneezeweed (Helenium hoopesii) D S
Oval-leafed buckwheat (Erigonum ovalifolium var. nivale) D
Owyhee clover (Trifolium owyheense) D
Prickly-leaved phlox (Phlox aculeata) D
Scarlet paintbrush (Castilleja miniata var. miniata) D
Shrubby cinquefoil (Potentilla fruticosa) S
Subalpine buttercup (Ranunculus eschscholtzii) S
Subalpine daisy (Erigeron peregrinus) S
Swamp onion (Allium validum) S
Tolmie's onion (Allium tolmiei var. platyphyllum) D
Woollypod milk-vetch (Astragalus purshii) D
Yarrow (Achillea millefolium var. alpicola) D

Bluets (Houstonia caerulea) D
Common blue violet (Viola papilionacea) D
Dames rocket (Hesperis matronaeis) S alien
Fringed polygala (Polygala paucifolia) D
Northern jack-in-the-pulpit (Arisaema stewardsonii) D
Redbud (Cercis canadensis) S
Wild columbine (Aquilegia canadensis) D S

Blue flag iris (Iris virginica) S
Floating bladderwort (Utricularia inflata) S
Flowering dogwood (Cornus florida) S
Hooded pitcher plants (Sarracenia minor) D
Mountain laurel (Kalmia latifolia) S
Oconee bells (Shortia galacifolia) D
Yellow trillium (Trillium discolor) D

Gumbo evening-primrose (Oenothera caespitosa) D S
Spiderwort, Prairie spiderwort (Tradescantia occidentalis) S

GREAT SMOKY MOUNTAINS
Bleeding heart (Dicentra eximia) D
Dutchman's-breeches (Dicentra cucullaria) D
Early azalea (Rhododendron roseum) S
Kentucky wisteria (Wisteria sinensis) S
Longspur violet (Viola rostrata) D
White erect trillium (Trillium erectum) D
Wild stonecrop (Sedum tematum) D
Yellow trillium (Trillium luteum) D

BIG BEND NATIONAL PARK
Baby-curls (Phacelia integrifolia) D S
Berlandier flax (Linum berlandieri) D
Big Bend bluebonnet (Lupinus havardii) D S
Desert marigold (Baileya multiradiata) D S
Englemann evening-primrose (Oenothera englemannii) D
Grand prairie evening-primrose (Oenothera greggii) D S
Gregg dalea (Dalea greggii) D
Harvard nama (Nama havardii) D
Heller plantain (Plantago helleri) D
Margined perityle (Perityle vaseyi) D
Mexican buckeye (Ungnadia speciosa) D
Parralena (Dyssodia pentachaeta) D
Rose vervain (verbena canadensis) D
Rough nama (Nama hispidum) D
Shaggy false-nightshade (Chamaesaracha villosa) D
Tanseyleaf spine aster (Machaeranthera bigelovii) D
Torrey yucca (Yucca torreyi) D S
Warnock's rock nettle (Eucnide bartonioides) D

HILL COUNTRY
Huisache-daisy (Amblyolepsis setigera) D
Prairie phlox (Phlox pilosa ssp. Pilosa) D
Prairie spiderwort (Tradescantia occidentalis) D
Texas bluebonnet (Lupinus texensis) D S
Texas groundsel (Senecio ampullaceus) S

CANYON COUNTRY
Alcove columbine (Aquilegia micrantha) D
Annual wirelettuce (Stephanomeria exigua) D
Barestem larkspur (Delphinium scaposum) D
Berry pricklypear (Opuntia phaeacantha) D
Bronze evening-primrose (Oenothera howardii) D
Broomrape, Clustered cancerroot (Orobanche fasiculata var. lutea) D
Cardinal monkey-flower (Mimulus cardinalis) S
Carpet phlox (Phlox hoodii var. canescens) D
Claretcup (Echinocerus triglochidiatus var. melanacanthus) D
Cliffrose (Purshia mexicana var. stansburyana) S
Common monkey-flower (Mimulus guttatus) S
Common paintbrush (Castilleja chromosa) D
Common pricklypear (Opuntia erinacea) D
Cooper's paperflower (Psilostrophe cooperi) D
Crenulate phacelia (Phacelia crenulata var. corrugata) S
Crescent milkvetch (Astragalus amphioxys) S
Cushion phlox (Phlox pulvinata) D
Desert larkspur (Delphinium parishii) D
Desert sage (Salvia doorii ssp. doorii) D
Desert trumpet (Eriogonum inflatum) S
Dwarf lupine (Lupinus pusillus) S
Dwarf milkweed (Asclepias macrosperma) D
Eastwood's camissonia (Camissonia eastwoodiae) S
Eastwood's paintbrush, Slickrock paintbrush (Castillegia scabrida var. scabrida) D S
Fremont's mahonia (Mahonia fremontii) S
Golden columbine (Aquilegia chrysantha var. formosa) D
Golden mariposa (Calochortus aureus) D
Goose-berry-leaf globemallow (Sphaeralcea grossulariifolia var. grossulariifolia) S
Harriman yucca (Yucca harrimaniae) S
Hoary aster (Machaeranthera canescens) D
Indigobush (Psorothamnus fremontii) D
Lambert's locoweed (Oxytropis lambertii) S
Lavenderleaf evening-pimrose (Calylophus lavandulifolius) D S
Longfin evening-primrose (Oenothera brachycarpa) D
Long-tube evening-primrose, Tufted evening-primrose (Oenothera caespitosa var. marginata)S
Low fleabane (Erigeron pumilus) D
Low sand-verbena (Abronia nana) D
Mountain pepperplant (Lepidium montanum var. jonesii) S
Nakedstem sunray (Enceliopsis nudicaulis) D
Narrowleaf penstemon (Penstemon angustifolius var. venosus) D
Nelson's globemallow (Sphaeralcea parvifolia) D
Northern sweetvetch (Hedysarum boreale var. boreale) S
Pale evening-primrose, Red stemmed evening primrose (Oenothera pallida var. pallida) D S
Pretty buckwheat (Eriogonum bicolor) D
Pretty phacelia (Phacelia pulchella var. sabulonum) S
Prince's plume (Stanleya pinnata) S
Purple sage (Poliomintha incana) S
Purplespot fritillary, Leopard-lily (Fritillaria atropurpurea) D
Rough mulesears (Wyethia scabra var. scabra) D S
Salt heliotrope (Heliotropium curassavicum) D
Sand sunflower (Helianthus anomalus) D
San Juan onion (Allium macropetalum) D
Scapose greenthread (Thelesperma subnudum var. subnudum) S
Scarlet-bugler penstemon (Penstemon eatonii var.eatonii) S
Sego lily (Calochortus nuttallii) D
Shrubby cinquefoil (Potentilla fruticosa) D
Silvery sophora (Sophora stenophylla) D
Simpson's footcactus (Pediocactus simpsonii) D
Sinuous mariposa (Calochortus flexuosus) D
Spider milkweed (Asclepias asperula var.asperula) D
Spiderwort (Tradescantia occidentalis) D
Stemless woollybase (Hymenoxys acaulis var. ivesiana) S
Stream orchid, Giant helleborine (Epipactis gigantea) D
Uinta groundsel (Senecio multilobatus) D
Utah daisy (Erigeron utahensis var. utahensis) D
Utah penstemon (Penstemon utahensis) S
Violet buttercup (Ranunculus andersonii var. juniperinus) D
Viscid rabbitbrush (Chrysothamnus viscidiflorus var. puberulus) S
Whipple's fishhook (Sclerocactus whipplei var. roseus) D
White thoroughwort (Eupatorium herbaceum) D
Yellow beeplant (Cleome lutea) S
Yellow cryptanth (Cryptantha flava) D S
Yellow salsify (Tragopogon dubius) D
Zion shooting star, Pretty shooting star (Dodecatheon pulchellum var. zionense) D

PLATEAU COUNTRY
Arrowleaf balsamroot (Balsamorhiza sagittata) D
Aspen bluebell (Mertensia arizonica) D
Blanketflower (Gaillardia aristata) D
Creeping mahonia (Mahonia repens) D
Elegant death camas (Zigadenus elegans) D
Elephant-head (Pedicularis groenlandica) D
Elk thistle (Cirsium scariosum var. scariosum) D
Gauge plant (Senecio integerrmus) S
Golden pea (Thermopsis montana) D S
Great bladdery milkvetch (Astragalus megacarpus) D
Greenleaf manzanita (Arctostaphylos patula) D
Lanceleaf phacelia (Phacelia hastata) D
Mountain bluebell (Mertensia ciliata) D
Onehead sunflower (Helianthella uniflora) S
Pallid milkweed (Asclepias cryptoceras) D
Pinyon-juniper lousewort (Pedicularis centranthera) D
Orange sneezeweed (Helenium hoopesii) D
Scarlet paintbrush (Castilleja miniata) S
Showy stoneseed (Lithospermum incisum) D
Star-lily (Leucocrinum montanum) D
Stinking horsemint (Monardella odoratissima) D
Wavy-leaf paintbrush (Castilleja applegatei) D
Wyoming paintbrush (Castilleja linariaefolia) D

NORTHERN MOUNTAIN RANGES
Colorado columbine (Aquilegia caerulea) D S
Elephant-head (Pedicularis groenlandica) D
Mountain bluebell (Mertensia ciliata) S
Rhexia-leaved paintbrush, Rosy paintbrush (Castilleja rhexifolia) D S
Showy milkweed (Asclepias speciosa) D

Common blue violet (Viola papilionacea)

COAST AND OLYMPIC PENINSULA
American bistort (Polgonum bistortoides) S
Baldhip rose (Rosa gymnocarpa) D
Beach pea (Lathyrus japonicus) D
Broadleaf lupine (Lupinus latifolius) S
Broadleaf stonecrop (Sedum spathulifolium) D
Common camas (Camassia quamash var. maxima) D
Cow parsnip (Heracleum lanatum) D
Fairy slipper (Calypso bulbosa) D
Giant fawn-lily, Trout lily (Erythronium oregonum) D
Manroot (Marah oreganus) D
Mission bells (Fritillaria sitchensis) D
Nodding onion (Allium cernuum) D
Olympic Mountain paintbrush (Castilleja parviflora var. olympica) S
Scarlet paintbrush (Castilleja miniata var. miniata) D
Scouler's corydalis (Corydalis scouleri) D
Sitka valerian (Valeriana sitchensis) D
Spotted coralroot (Corallorhiza maculata) D
Tiger lily (Lily columbianum) D
Western buttercup (Ranunculus occidentalis) S
Western rhododendron (Rhododendron macrophyllum) S
Western twinflower (Linnaea borealis) D
Woodnymph (Pyrola uniflora) D
Yarrow (Achillea millefolium var. californica) S

CASCADE RANGE
Alpine aster (Aster alpigenus var alpigenus) S
Avalanche lily (Erythronium montanum) D
Bigleaf lupine (Lupinus polyphyllus var. polyphyllus) D
Bracted lousewort (Pedicularis bracteosa var. latifolia) S
Broadleaf lupine (Lupinus latifolius) S
Cliff penstemon (Penstemon rupicola) D
Columbia lewisia (Lewisia columbiana var. columbiana) D
Early blue violet (Viola adunca var. adunca) D
Glacier lily (Erythronium grandiflorum var. grandiflorum) D S
Large mountain bittercress (Cardamine cordifolia) D
Magenta paintbrush (Castilleja parviflora var. oreopola) S
Marsh violet (Viola palustris) D
Merten's mountain heather (Cassiope mertensiana var. mertensiana) D
Mountain bog gentian (Gentiana calycosa var. calycosa) D
Oregon anemone (Anemone oregana var. oregana) D
Pinedrops (Pterospora andromedea) D
Purple trillium (Trillium petiolatum) D
Red columbine (Aquilegia formosa) D
Red mountain heather (Phyllodoce empetriformis) S
Shrubby penstemon (Penstemon fruticosus var. fruticosus) D
Sitka valerian (Valeriana sitchensis) D
Spreading phlox (Phlox diffusa) D
Stream violet (Viola glabella) D
Subalpine daisy (Erigeron peregrinus var. callianthemus) S
Tweedy's lewisia (Lewisia tweedyi) D
Twinflower marshmarigold (Caltha biflora var. biflora) D
Western pasqueflower (Anemone occidentalis) S
Western spring beauty (Claytonia lanceolata var. lanceolata) D
Western white trillium (Trillium ovatum) D
Yellow monkeyflower (Mimulus guttatus var. depauperatus) D

COLUMBIA BASIN
Arrowleaf balsamroot (Balsamorhiza sagittata) D S
Barestem desert parsley (Lomatium nudicaule) S
Broadleaf lupine (Lupinus latifolius var. thompsonianus) S
Clustered swertia (Swertia fastigiata) D
Columbia milk-vetch (Astragalus succumbens) D
Douglas' brodiaea (Brodiaea douglasii) D
Few-flowered shooting star (Dodecatheon pulchellum var. pulchellum) D
Grass-widows (Sisyrinchium douglasii) D
Hooker onion (Allium acuminatum) D
Large-flowered tonella (Tonella floribunda) D
Linear-leaf daisy (Erigeron linearis) D
Northern wyethia (Wyethia amplexicaulis) S
Pale evening-primrose (Oenothera pallida) D
Purple sage (Salvia dorrii var. carnosa) D
Red besseya (Besseya rubra) D
Showy phlox (Phlox speciosa) S
Silky lupine (Lupinus sericeus) S
Spreading phlox (Phlox diffusa) D
Tarweed fiddleneck (Amsinckia lycopsoides) D
White sand verbena (Abronia mellifera) D
White-stemmed swertia (Swertia albicaulis) D
Yellow bells (Fritillaria pudica) D

Flowering dogwood (Cornus florida) S
Marsh marigold (Caltha palustris) D
Skunk cabbage (Symplocarpus foetidus) D

Azure asters (Aster azureus) D
Large-flowered, White trillium (Trillium grandiflorum) D S

ROCKY MOUNTAINS
Alpine forget-me-not (Eritrichium nanum var. elongatum) D
Alpine laurel (Kalmia microphylla) D
Alpine phlox (Phlox sibirica var. pulvinata) D
Alpine sandwort (Lidia obtusiloba) D
American globeflower (Trollis laxas) D
Beautiful shooting star (Dodecatheon pulchellum) D
Colorado columbine (Aquilegia coerulea) D
Common paintbrush, Scarlet paintbrush (Castilleja miniata) D S
Cous lomatium (Lomatium cous) D
Creeping mahonia (Mahonia repens) D
Elkslip marshmarigold (Caltha leptosepala) S
Fern-leaved lousewort (Pedicularis cystopteridifolia) D
Five-veined helianthella (Helianthella quinquenervis) S
Lanceleaf spring beauty (Claytonia lanceolata) S
Marsh butterweed (Senecio hydrophilus) S
Mouse-ear chickweed (Cerastium arvense) D
Nuttall larkspur (Delphinium nuttallianum) D
Parry's townsendia (Townsendia parryi) D
Rocky Mountain douglasia (Douglasia montana) D
Showy jacobs ladder (Polemonium pulcherrimum) D
Showy milkweed (Asclepias speciosa) D
Silvery lupine (Lupinus argentus) D
Starry solomon-plume (Smilacina stellata) D
Stemless goldflower (Hymenoxys acaulis) D
Upland yellow violet (Viola praemorsa) D
Western fringed gentian (Gentiana thermalis) D
Wood forget-me-not (Myosotis alpestris) D
Yellow monkeyflower (Mimulus guttatus) D