Vascular Plants

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Scientific names beginning with D:
Dactylis glomerataorchard grass
Distribution: Distributed widely throughout Washington; distributed widely throughout North America.
Habitat: Disturbed areas such as meadows, fields, roadsides, and forest edges; common forage plant; also planted in logged areas in the mountains.
Dalea ornataBlue Mountain prairie-clover
Distribution: Distributed in the central and southeastern counties in Washington; Washington south to California, east to Idaho and Nevada.
Habitat: Dry, rocky or sandy areas, often in sagebrush, low to moderate elevations.
Damasonium californicumfringed water-plantain, star water-plantain
Distribution: Known only from Klickitat County in Washington; Washington south to California, east to southwest Idaho and western Navada.
Habitat: Sloughs, ditches and marshy fields.
Danthonia californicaCalifornia oatgrass
Distribution: British Columbia south on both sides of the Cascades to California, east to Montana and New Mexico.
Habitat: Open, grassy meadows to rocky ridges, from coastal prairies to mid-elevations in the mountains, often with ponderosa pine.
Danthonia decumbenscommon heath-grass, mountain heath-grass
Danthonia intermediatimber oatgrass
Danthonia spicatapoverty oatgrass
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia south on both sides of the Cascades to Oregon, east to Newfoundland and eastern United States.
Habitat: Sandy to rocky soil in dry woods and fairly dry meadows.
Danthonia unispicatafew-flower oatgrass, one-spike oatgrass
Distribution: British Columbia south on both sides of the Cascades to California, east to Alberta and Colorado.
Habitat: Dry to occasionally moist prairies, foothills, and open parks and ridges in mountain forests.
Daphne laureolaspurge-laurel
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south, west of the Cascades, to Oregon.
Habitat: Roadsides and open, moist woods in the lowlands.
Daphne mezereummezereon, paradise-plant mezereon
Darlingtonia californicacobraplant
Distribution: Introduced at Summer Lake in Washington; Lane County, Oregon to northwest California.
Habitat: Bogs along coast, along streams, often on serpentine
Dasiphora fruticosashrubby cinquefoil
Distribution: Both sides of the Cascades in Washington; Alaska south to California, east to New Jersey.
Habitat: Lower foothills to subalpine slopes.
Datura innoxiaangel's-trumpet
Datura stramoniumjimsonweed
Distribution: Scattered localities in eastern Washington; widely distributed throughout North America.
Habitat: Waste places and roadsides, often in dry soil.
Datura wrightiisacred thorn apple, jimson weed
Distribution: Scattered locations across Washington; California east across the U.S. to New England.
Habitat: Disturbed, dry, open areas, roadsides, and waste places.
Daucus carotaQueen Anne's-lace, wild carrot
Distribution: Widely distributed throughout Washington; Widely distributed throughout North America.
Habitat: Roadsides, ditchbanks, somewhat moist waste land.
Daucus pusillusAmerican wild carrot
Distribution: Pacific Northwest to California, and throughout the Southern States; chiefly west of the Cascades in Washington
Habitat: Dry, open areas at low elevations
Delphinium basalticumbasaltic larkspur
Delphinium depauperatumslim larkspur
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Montana, Idaho, and Nevada.
Habitat: Moist meadows and forest openings.
Delphinium distichumtwo-spike larkspur
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to Oregon, east to Montana and Wyoming.
Habitat: Vernally wet swales and meadows, in sagebrush or ponderosa pine forest.
Delphinium glareosumOlympic larkspur
Distribution: In the Olympic and Cascades mountains of Washington; British Columbia south to Oregon.
Habitat: Alpine and subalpine ridges and talus slopes, sometimes found at lower elevations.
Delphinium glaucumpale larkspur
Distribution: Widely distributed in mountainous areas throughout Washington; Alaska south to California, east to the Rocky Mountains of Canada and U.S.
Habitat: Wet places at moderate to mid-elevations in the mountains.
Delphinium leucophaeumpale larkspur
Distribution: Known only from Lewis County in Washington; Lewis County, Washington south to Willamette Valley, Oregon.
Habitat: Bluffs, open ground, and moist lowland meadows where undisturbed.
Delphinium lineapetalumthin-petal larkspur
Distribution: Endemic to Washington, primarily found in the Wenatchee Mountains of Chelan and Kittitas Counties in Washington.
Habitat: Meadows and forest openings in foothills and valleys.
Delphinium menziesii
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to Oregon.
Habitat: Coastal bluffs and prairies to moist meadows and forest openings at moderate elevations in the mountains.
ssp. menziesii – Menzies larkspur
Delphinium multiplexKittitas larkspur
Distribution: Wenatchee Mountains of Kittitas and Chelan Counties, Washington, south to northern Yakima County.
Habitat: Along rocky, usually intermitant streams or springs in sagebrush hills to moderate elevations in the mountains.
Delphinium nuttallianumtwo-lobe larkspur, upland larkspur
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Dry, gravelly ground, sagebrush deserts to the ponderosa pine region in the mountains.
Delphinium nuttallii
Distribution: Occurring chiefly west of the Cascades crest in Washington; Washington south to Oregon.
Habitat: Gravelly outwash prairies and basaltic cliffs at low elevations.
ssp. nuttallii – Nuttall's larkspur
Delphinium occidentalewestern larkspur
Delphinium stachydeumhedgenettle larkspur, spiked larkspur
Delphinium sutherlandiisutherland's larkspur
Delphinium trolliifoliumcow-poison, poison larkspur
Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; Washington south to California.
Habitat: Moist, shady woods at low to moderate elevations.
Delphinium viridescensWenatchee larkspur
Distribution: Local in the Wenatchee Mountains, Chelan and Kittitas Counties, Washington.
Habitat: Boggy meadowlands.
Delphinium xantholeucumyellow-white larkspur
Distribution: Southern Okanogan County to southern Chelan County, east into Douglas County, Washington
Habitat: Dry, grassy hillsides and ponderosa pine forests
Deschampsia cespitosa
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: From coastal marshes and moist prairies to alpine ridges, talus slopes, mountain meadows, and moist areas in the mountains in general.
ssp. beringensis – bering hair grass, Beringian hairgrass
ssp. cespitosa – tufted hair grass
ssp. holciformis – Pacific hair grass, tufted hairgrass
Deschampsia danthonioidesannual hair grass
Deschampsia elongataslender hair grass
Distribution: Occurring on both sides of the Cascades in Washington; Alaska south to California, east to Alberta, Montana and New Mexico.
Habitat: Moist sandy or gravelly banks and slopes, and borders of streams and lakes.
Descurainia incisa
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to Oregon and Nevada, east to the Rocky Mountains from Montana to Arizona, but not New Mexico.
Habitat: Moderately dry forest openings and sagebrush steppe.
ssp. incisa – cut-leaved tansymustard
Descurainia longepedicellatamountain tansymustard, narrow tansymustard, sticky tansymustard
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to Oregon and Nevada, east to the Rocky Mountains from Montana to Arizona, but not New Mexico.
Habitat: Moderately dry forest openings and sagebrush steppe.
Descurainia nelsoniiNelson's tansymustard, sagebrush tansymustard
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, Idaho, and Nevada.
Habitat: Sagrebrush-steppe to open montane forests.
Descurainia pinnata
Distribution: Occurring on both sides of the Cascades crest in Washington, but chiefly to the east; widely distributed throughout most of North America.
Habitat: Weedy native of fairly dry, open ground.
ssp. brachycarpa – shortpod tansymustard, western tansymustard
Descurainia sophiaflixweed
Distribution: East of the Cascades in Washington; introduced in most of the United States and Canada
Habitat: Weed of dry waste ground and other disturbed areas.
Desmazeria rigidafern grass
Dianthus armeriadeptford pink
Distribution: Introduced in most of the United States
Habitat: Escaped from gardens
Dianthus barbatussweet William
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east across much of North America except the southwest U.S.
Habitat: Wasteland and disturbed soil.
Dianthus deltoidesmaiden pink
Dicentra cucullariaDutchman's-breeches
Distribution: Occurring in Washington along the Columbia and Snake Rivers; southern Washington south to north-central Oregon, east to western Idaho; central and southeastern U.S. to New England and Nova Scotia.
Habitat: Moist woods and gravelly banks at low elevations.
Dicentra formosa
Distribution: Chiefly west of the Cascades in Washington, occasional on the east slope of the Cascades at mid-elevations; British Columbia south to California.
Habitat: Moist woods, from the coast to mid-elevations in the mountains.
ssp. formosa – Pacific bleeding heart
Dicentra unifloralong-horn steer's-head
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Montana and Colorado.
Habitat: Well-drained soil, foothills to subalpine slopes; blooms soon after the snow leaves.
Dichanthelium acuminatum
Distribution: Southern British Columbia south along the coast to California; east of the Cascades mainly along water courses or around springs in the mountains, east to Montana and Wyoming.
Habitat: Rocky or sandy river banks or lake margins to open woods, marshy areas or dry prairies, from sea level to high elevation in the mountains.
ssp. fasciculatum – hairy panicgrass
Dichanthelium oligosanthes
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south on both sides of the Cascades to northern California, east to Idaho, Montana and Utah, also in eastern North America.
Habitat: Dry prairies or rocky areas to sandy stream banks.
ssp. scribnerianum – Scribner's panicgrass witchgrass
Dichelostemma congestumookow, northern saitas
Distribution: Scattered locations in Washington from the east side of the Olympic Peninsula and Island County to the Columbia River; Washington south to California.
Habitat: Grassy meadows, rocky prairies and sagebrush slopes.
Dieteria canescens
Distribution: East of the Cascades in Washington; southern British Columbia to southern California, east to Saskatchewan and Arizona.
Habitat: Dry, open places in the plains and foothills, occasionally extending into the mountains.
var. incana – tall hoary aster, hoary-aster
Digitalis purpureafoxglove, purple foxglove
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska south to California, east to Montana in the west, and Wisconsin to Maine, south to west Virginia, in eastern United States.
Habitat: Widespread and common near roads, sea level to moderate elevations in the mountains.
Digitaria ischaemumsmooth crabgrass
Distribution: Most of southern Canada, and all of the United States except the extreme southeast and southwest.
Habitat: Lawns, roadsides and wastland, usually where moist.
Digitaria sanguinalishairy crabgrass
Distribution: A weed in most of the United States.
Habitat: Lawns, gardens, and wasteland.
Dionaea muscipulaVenus fly trap
Distribution: Sparingly introduced in localities in western Washington.
Habitat: Bogs, lake margins, swamps.
Diplacus cusickioides
Distribution: Known only from Klickitat County in Washington; Washington to California, east to Idaho
Habitat: Open, gravelly, dry slopes.
Diplacus nanusdwarf purple monkey-flower, dwarf purple monkeyflower
Distribution: East of the Cascades in Washington; British Columbia south to California, east to Montana and Colorado.
Habitat: Open, very dry areas.
Dipsacus fullonumfuller's teasel
Distribution: Widely distributed in Washington; introduced throughout much of North America.
Habitat: Weed of moist ground and disturbed areas in the lowlands.
Distichlis spicataalkaline grass, coastal salt grass
Distribution: Vancouver Island, British Columbia, south to California; also along the east coast of the United States from Canada to Florida and Texas.
Habitat: Coastal beaches and salt marshes.
Dodecatheon alpinumalpine shootingstar
Distribution: Known from south-central portion of Washington; Washington south to California, east to Utah and Arizona.
Habitat: Moist to wet areas in the mountains.
Dodecatheon austrofrigidumtundra shootingstar
Distribution: Occurring in coastal counties in southwestern Washington and northwestern Oregon.
Habitat: Moist basaltic slopes, cliff faces, in coniferous forests along streams, or in alpine meadows.
Dodecatheon conjugens
Distribution: East slopes of the Cascades, British Columbia to California, east to Alberta and Wyoming
Habitat: Vernally moist areas in sagebrush to meadows at mid-elevations in the mountains
var. conjugens – desert shooting star, slimpod shooting star
var. viscidum – desert shooting star, slimpod shooting star
Dodecatheon dentatumwhite shooting star
Distribution: Olympic Mountains and east of the Cascades, British Columbia to northern Oregon; also in central Idaho
Habitat: Streambanks and other wet places at moderate elevations in the mountains
Dodecatheon hendersoniibroad-leaved shooting star, Henderson's shooting star
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to California.
Habitat: Woods and prairies, at low elevations in our area.
Dodecatheon jeffreyiJeffrey's shooting star, tall mountain shooting star
Distribution: Alaska to California, east to Montana and Wyoming; in the Olympic and Cascade Mountains in Washington
Habitat: Wet meadows and stream banks, mid- to high elevations in the mountains
Dodecatheon poeticumpoet's shootingstar, narcissus shooting star
Distribution: From around Satus Creek, Yakima County, Washington, to Klickitat and Skamania Counties, south to Wasco and Hood River Counties, Oregon.
Habitat: Grassy slopes to drier woods, usually where vernally moist, often near seeps or springs along basaltic outcrops.
Dodecatheon pulchellum
Distribution: Alaska to Mexico, east to Pennsylvania; found throughout the Pacific Northwest
Habitat: Coastal prairies to inland saline swamps and shrub-steppe, sea level to timberline
var. cusickii – Cusick's shootingstar, Cusick's shooting star, sticky shooting star
var. monanthum – dark-throated shooting star
var. pulchellum – dark-throated shooting star
Doronicum pardalianchesgreat leopard's-bane
Distribution: Known from Skamania County in Washington; southwestern British Columbia to Portland Oregon.
Habitat: Disturbed, open, generally moist soil
Douglasia laevigatasmooth douglasia, cliff dwarf primrose
Distribution: In the Cascade and Olympic Mountains west of the Cascade crest in Washington; Alaska to Oregon.
Habitat: Moist coastal bluffs to rocky alpine ridges.
Douglasia nivalissnow douglasii
Distribution: Wenatchee Mountains of Kittitas County, Washington, north into Chelan, Douglas, and Okanogan counties.
Habitat: Sagebrush slopes to alpine ridges and talus, often in serpentine soils.
Downingia eleganscommon downingia
Distribution: Chiefly east of the Cascades in Washington, though known from scattered locations west of the Cascades crest; British Columbia south to California, east to Idaho and Nevada.
Habitat: Vernal pools, wet meadows, margins of ponds.
Downingia yinaCascade calico-flower, Cascade downingia
Distribution: Both sides of the Cascades in Washington; Washington south to California.
Habitat: Marshes, wet meadows and edges of ponds.
Draba albertinaAlaska draba, slender whitlow-grass
Distribution: Occurring in the the Olympics and Cascades Mountains in Washington; Alaska south to California, east to the Rocky Mountains.
Habitat: From subalpine meadows and forest openings to alpine meadows.
Draba aureagolden draba whitlow-grass
Draba aureolaalpine whitlow-grass, great alpine whitlow-grass, Mt. Lassen draba whitlow-grass
Distribution: Currently only known only from the Mt. Rainier area in Washington; Washington south to northern California
Habitat: Alpine areas, including scree and moraine areas.
Draba crassifoliaRocky Mountain draba, thick-leaved draba, snowbed whitlow-grass
Distribution: Occurring in the Olympic Mountains and North Cascades in Washington; Alaska south to Washington, Nevada, east to the Rocky Mountains; east across northern Canada to Greenland; northern Europe.
Habitat: Subalpine and alpine meadows, often in rock crevices and outcroppings.
Draba densifoliaNuttall's draba, dense-leaf whitlow-grass
Distribution: Occurring east of the Cascades crest in Washington; Alaska south to California, east to Alberta, Idaho, Wyoming, Nevada and Utah.
Habitat: Open, rocky places from mid- to high elevations in the mountains.
Draba incertawhitlow-wort, Yellowstone draba whitlow-wort
Distribution: Occurring in the Cascades and Olympic Mountains in Washington; British Columbia and Alberta south to Washington, east to Montana and Wyoming.
Habitat: Alpine and subalpine slopes.
Draba lonchocarpalancefruit draba, lancefruit draba whitlow-wort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Northwest Territories, south in Rocky mountains to Colorado.
Habitat: Alpine slopes, talus, and rocky outcroppings.
Draba nemorosawoods draba, woodland whitlow-grass
Distribution: In scattered locations on both sides of the Cascades crest in Washington; Alaska south to California, east across the northern half of the U.S. and Canada to the Atlantic Coast.
Habitat: Disturbed open areas and forest edges at low moderate elevations.
Draba novolympicadraba, Payson's whitlow-grass draba
Distribution: Occurring in the Olympics and Cascades mountains of Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Open slopes, talus ridges, and other exposed areas in the alpine.
Draba oligospermafew-seeded draba whitlow-grass
Distribution: In the North Cascades mountains in Washington; Alaska south to California, east to Colorado.
Habitat: Plains to moderate elevations in the mountains.
Draba platycarpabroad-pod whitlow-grass
Draba praealtadraba, tall whitlow-grass draba
Draba reptansCarolina whitlow-grass
Draba ruaxescoast mountain whitlow-grass draba
Draba stenolobaAlaska whitlow-grass
Draba tayloriiTaylor's draba
Draba vernaspring whitlow-grass
Distribution: Widely distributed throughout Washington; widely distributed throughout North America; circumboreal.
Habitat: Shrub-steppe, grasslands, and open disturbed areas at low to middle elevations.
Dracocephalum parviflorumAmerican dragonhead
Distribution: Occurring east of the Cascades crest in Washington; widely distributed across much of North America except in several states along the southern U.S. border.
Habitat: Open, often moist places at low to middle elevations.
Drosera anglicaEnglish sundew, giant sundew
Distribution: In scattered localities on both sides of the Cascades; Alaska south to the Sierra Nevada of California, east to the Great Lakes region and eastern Canada.
Habitat: Bogs and swamps.
Drosera rotundifoliaround-leaf sundew
Distribution: Chiefly west of the Cascades in Washington, but also in scattered localities east of the Cascades crest; Alaska to California, east across Montana and North Dakota, and most of the United states east of the Mississipps River.
Habitat: Swamps and bogs, lowlands to mid-elevations in the mountains.
Dryas drummondii
Distribution: Alaska south to the northern Cascades and Selkirk Mountains of Washington, the Wallowa Mountains of Oregon, and the Rocky Mountains of Idaho and Montana
Habitat: High mountains, often above timberline, but down to lower elevations along streams
var. drummondii – yellow mountain-avens
Dryas hookerianawhite dryas, Hooker's mountain-avens, white mountain-avens
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Washington, northeast Oregon, and in the Rockies from Montana to Colorado.
Habitat: Open, rocky areas, mid- to high elevations in the mountains.
Drymocallis convallariacordilleran drymocallis
Drymocallis glandulosa
Distribution: In Washington from the coast to mid elevations in the mountains; south to California and east to Montana.
Habitat: Open, mesic areas from coastal meadows to forest openings.
var. glandulosa – gland cinquefoil, sticky cinquefoil
Drymocallis pseudorupestris
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Alberta, Idaho, Montana, Wyoming, Utah, and Nevada.
Habitat: Hillsides, dry slopes, forest openings.
var. saxicola – cliff drymocallis
Dryopteris argutacoastal fern, marginal wood fern
Distribution: Cheifly west of the Cascade summits, southern Washington to California and east to Arizona; also in the mountains of eastern Oregon.
Habitat: Mostly in the woods, but occasionally in more open areas.
Dryopteris carthusianaspinulose fern, toothed wood fern
Distribution: Circumboreal, extending south in North America to Oregon and northern California from the Cascades to the coast; also in northern Idaho and northwest Wyoming.
Habitat: Moist woods and streambanks.
Dryopteris cristatacrested wood fern fern, shield fern
Distribution: Circumboreal, extending south in North America to northern Idaho, northwest Montana, and Arkansas.
Habitat: Moist woods and thickets.
Dryopteris expansanorthern fern, spreading wood fern
Distribution: Circumboreal; throughout the Pacific Northwest
Habitat: Moist to wet woods and streambanks
Dryopteris filix-masmale fern
Duchesnea indicaIndian-strawberry, mock-stawberry
Distribution: Introduced west of the Cascades, British Columbia to California, and in the east, Nebraska to New York south to Texas to Florida
Habitat: Ornamental, occasionally escapes
Dulichium arundinaceum
Distribution: Chiefly west of the Cascades in Washington, but also in Chelan, Yakima and Pend Oreille counties; British Columbia south to California, east to Idaho, Montana and to the eastern half of North America.
Habitat: Wet meadows, marshes, and shores of ponds and lakes.
var. arundinaceum – three-way sedge
Dysphania ambrosioidesMexican tea, wormseed
Distribution: Occurring in scattered locations in Washington; native to southeastern U.S., but introduced in scattered localities in central and western U.S.
Habitat: Roadsides and waste areas, riparian zones, tolerant of alkaline.
Dysphania botrysJerusalem oak goosefoot, Jerusalem oak
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Weed of roadsides, waste areas and streambanks.
Dysphania pumiliosmall crumbweed, clammy goosefoot
Distribution: Introduced over much of the United States.
Habitat: Sandy or gravelly soiles, waste areas.