Vascular Plants
Includes all flowering plants, conifers, ferns and fern-allies.
Browse by scientific name:
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Scientific names beginning with D:
43 genera
126 species, 20 subspecies and varieties
126 species, 20 subspecies and varieties
Show only taxa with photos
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Index to genera:
Dactylis, Dactylorhiza, Dalea, Damasonium, Danthonia, Daphne, Darlingtonia, Dasiphora, Datura, Daucus, Delphinium, Dendrolycopodium, Deschampsia, Descurainia, Dianthus, Dicentra, Dichanthelium, Dichelostemma, Dichodon, Dieteria, Digitalis, Digitaria, Dionaea, Diphasiastrum, Diplachne, Diplacus, Diplotaxis, Dipsacus, Distichlis, Dodecatheon, Doronicum, Douglasia, Downingia, Draba, Dracocephalum, Dracunculus, Drosera, Dryas, Drymocallis, Dryopteris, Duchesnea, Dulichium, DysphaniaDactylis glomerata – orchard 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.
Origin: Introduced
Flowers: June-August
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.
Origin: Introduced
Flowers: June-August
Dactylorhiza viridis – frog-orchis, Frog-orchis, long-bracted orchid
Distribution: Known only from Okanogan County in Washington; Alaska south to Washington, east across the southern half of Canada to the Atlantic Coast; south in the Rocky Mountains to New Mexico; east from the upper Midwest to the northeastern U.S., south in the Appalachian Mts.
Habitat: Moist to wet meadows at moderate elevations.
Origin: Native
Flowers: July-August
Distribution: Known only from Okanogan County in Washington; Alaska south to Washington, east across the southern half of Canada to the Atlantic Coast; south in the Rocky Mountains to New Mexico; east from the upper Midwest to the northeastern U.S., south in the Appalachian Mts.
Habitat: Moist to wet meadows at moderate elevations.
Origin: Native
Flowers: July-August
Dalea ornata – Blue 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.
Origin: Native
Flowers: May-July
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.
Origin: Native
Flowers: May-July
Damasonium californicum – fringed 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.
Origin: Native
Flowers: June-July
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.
Origin: Native
Flowers: June-July
Danthonia californica – California 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.
Origin: Native
Flowers: June - July
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.
Origin: Native
Flowers: June - July
Danthonia decumbens – common heath-grass, mountain heath-grass
Origin: Introduced from Europe
Flowers: July - September
Origin: Introduced from Europe
Flowers: July - September
Danthonia spicata – poverty 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.
Origin: Native
Flowers: June-July
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.
Origin: Native
Flowers: June-July
Danthonia unispicata – few-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.
Origin: Native
Flowers: June - July
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.
Origin: Native
Flowers: June - July
Daphne laureola – spurge-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.
Origin: Introduced from Eurasia
Flowers: March-June
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.
Origin: Introduced from Eurasia
Flowers: March-June
Darlingtonia californica – cobraplant
Distribution: Introduced at Summer Lake in Washington; Lane County, Oregon to northwest California.
Habitat: Bogs along coast, along streams, often on serpentine
Origin: Introduced
Flowers: June - August
Distribution: Introduced at Summer Lake in Washington; Lane County, Oregon to northwest California.
Habitat: Bogs along coast, along streams, often on serpentine
Origin: Introduced
Flowers: June - August
Dasiphora fruticosa – shrubby cinquefoil
Distribution: Both sides of the Cascades in Washington; Alaska south to California, east to New Jersey.
Habitat: Lower foothills to subalpine slopes.
Origin: Native
Flowers: May-August
Distribution: Both sides of the Cascades in Washington; Alaska south to California, east to New Jersey.
Habitat: Lower foothills to subalpine slopes.
Origin: Native
Flowers: May-August
Datura stramonium – jimsonweed
Distribution: Scattered localities in eastern Washington; widely distributed throughout North America.
Habitat: Waste places and roadsides, often in dry soil.
Origin: Introduced
Flowers: June-August
Distribution: Scattered localities in eastern Washington; widely distributed throughout North America.
Habitat: Waste places and roadsides, often in dry soil.
Origin: Introduced
Flowers: June-August
Datura wrightii – sacred 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.
Origin: Introduced from Mexico
Flowers: June-August
Distribution: Scattered locations across Washington; California east across the U.S. to New England.
Habitat: Disturbed, dry, open areas, roadsides, and waste places.
Origin: Introduced from Mexico
Flowers: June-August
Daucus carota – Queen Anne's-lace, wild carrot
Distribution: Widely distributed throughout Washington; Widely distributed throughout North America.
Habitat: Roadsides, ditchbanks, somewhat moist waste land.
Origin: Introduced; native to Europe
Flowers: June-August
Distribution: Widely distributed throughout Washington; Widely distributed throughout North America.
Habitat: Roadsides, ditchbanks, somewhat moist waste land.
Origin: Introduced; native to Europe
Flowers: June-August
Daucus pusillus – American 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
Origin: Native
Flowers: May - July
Distribution: Pacific Northwest to California, and throughout the Southern States; chiefly west of the Cascades in Washington
Habitat: Dry, open areas at low elevations
Origin: Native
Flowers: May - July
Delphinium ajacis – doubtful knight's-spur
Distribution: Limited in distribution to a few localities west of the Cascades in Washington; widely distributed throughout much of North America.
Habitat: Drainage ditches, roadsides, old home sites, waste areas.
Origin: Introduced
Flowers: June-July
Distribution: Limited in distribution to a few localities west of the Cascades in Washington; widely distributed throughout much of North America.
Habitat: Drainage ditches, roadsides, old home sites, waste areas.
Origin: Introduced
Flowers: June-July
Delphinium ×burkei – Burke's larkspur
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Moist meadows and seasonally damp open sagebrush and ponderosa pine forests.
Origin: Native
Flowers: April-June
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Moist meadows and seasonally damp open sagebrush and ponderosa pine forests.
Origin: Native
Flowers: April-June
Delphinium depauperatum – slim 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.
Origin: Native
Flowers: May-July
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.
Origin: Native
Flowers: May-July
Delphinium distichum – two-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.
Origin: Native
Flowers: May-July
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.
Origin: Native
Flowers: May-July
Delphinium glareosum – Olympic 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.
Origin: Native
Flowers: May-August
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.
Origin: Native
Flowers: May-August
Delphinium glaucum – pale 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.
Origin: Native
Flowers: July-September
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.
Origin: Native
Flowers: July-September
Delphinium leucophaeum – pale 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.
Origin: Native
Flowers: May-June
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.
Origin: Native
Flowers: May-June
Delphinium lineapetalum – thin-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.
Origin: Native
Flowers: April-June
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.
Origin: Native
Flowers: April-June
Delphinium menziesii – Menzies larkspur
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.
Origin: Native
Flowers: April-July
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.
Origin: Native
Flowers: April-July
Delphinium multiplex – Kittitas 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.
Origin: Native
Flowers: Late May - Early August
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.
Origin: Native
Flowers: Late May - Early August
Delphinium nuttallianum – two-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.
Origin: Native
Flowers: March-July
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.
Origin: Native
Flowers: March-July
Delphinium nuttallii – Nuttall's larkspur
Distribution: Pierce and eastern Grays Harbor Counties, Washington, south to the Columbia River Gorge and Clackamus County, Oregon.
Habitat: Gravelly outwash prairies and basaltic cliffs.
Origin: Native
Flowers: May - June
Distribution: Pierce and eastern Grays Harbor Counties, Washington, south to the Columbia River Gorge and Clackamus County, Oregon.
Habitat: Gravelly outwash prairies and basaltic cliffs.
Origin: Native
Flowers: May - June
Delphinium stachydeum – hedgenettle larkspur, spiked larkspur
Distribution: Occurring in southeastern Washington; Washington to northeast California and northern Nevada, east to Idaho.
Habitat: Dry sagebrush to ponderosa or lodgepole pine forests
Origin: Native
Flowers: June-August
Distribution: Occurring in southeastern Washington; Washington to northeast California and northern Nevada, east to Idaho.
Habitat: Dry sagebrush to ponderosa or lodgepole pine forests
Origin: Native
Flowers: June-August
Delphinium sutherlandii – sutherland's larkspur
Distribution: Occurring in northeastern Washington; Southeastern British Columbia and adjacent Washington, east across northern Idaho to northwestern Montana.
Habitat: Dry meadows and open conifer forests.
Origin: Native
Flowers: April-June
Distribution: Occurring in northeastern Washington; Southeastern British Columbia and adjacent Washington, east across northern Idaho to northwestern Montana.
Habitat: Dry meadows and open conifer forests.
Origin: Native
Flowers: April-June
Delphinium trolliifolium – cow-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.
Origin: Native
Flowers: April-May
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.
Origin: Native
Flowers: April-May
Delphinium viridescens – Wenatchee larkspur
Distribution: Local in the Wenatchee Mountains, Chelan and Kittitas Counties, Washington.
Habitat: Boggy meadowlands.
Origin: Native
Flowers: June - July
Distribution: Local in the Wenatchee Mountains, Chelan and Kittitas Counties, Washington.
Habitat: Boggy meadowlands.
Origin: Native
Flowers: June - July
Delphinium xantholeucum – yellow-white larkspur
Distribution: Southern Okanogan County to southern Chelan County, east into Douglas County, Washington
Habitat: Dry, grassy hillsides and ponderosa pine forests
Origin: Native
Flowers: April - June
Distribution: Southern Okanogan County to southern Chelan County, east into Douglas County, Washington
Habitat: Dry, grassy hillsides and ponderosa pine forests
Origin: Native
Flowers: April - June
Dendrolycopodium dendroideum – prickly tree clubmoss, tree ground-pine
Distribution: Widespread across boreal forests of North America, south to northern Washington, Idaho, Montana, Colorado, and NE U.S. Also found in Asia. In Washington, known from scattered locations in the west Cascades and in Pend Oreille county.
Habitat: Woodlands and open brushy areas. In Washington, found mostly among rock or talus with thick moss or duff layers, often under brush or on edges of forest. At mid elevations in the mountains.
Origin: Native
Distribution: Widespread across boreal forests of North America, south to northern Washington, Idaho, Montana, Colorado, and NE U.S. Also found in Asia. In Washington, known from scattered locations in the west Cascades and in Pend Oreille county.
Habitat: Woodlands and open brushy areas. In Washington, found mostly among rock or talus with thick moss or duff layers, often under brush or on edges of forest. At mid elevations in the mountains.
Origin: Native
Deschampsia cespitosa – bering hair grass, Pacific hair grass, tufted hair grass, Beringian hairgrass, tufted hairgrass
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.
Origin: Native
Flowers: June-September
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.
Origin: Native
Flowers: June-September
Deschampsia elongata – slender 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.
Origin: Native
Flowers: June-July
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.
Origin: Native
Flowers: June-July
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.
Origin: Native
Flowers: April-June
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.
Origin: Native
Flowers: April-June
• ssp. incisa – cut-leaved tansymustard
Descurainia longepedicellata – mountain 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.
Origin: Native
Flowers: April-June
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.
Origin: Native
Flowers: April-June
Descurainia nelsonii – Nelson'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.
Origin: Native
Flowers: May-June
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.
Origin: Native
Flowers: May-June
Descurainia pinnata – western tansymustard
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.
Origin: Native
Flowers: April-July
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.
Origin: Native
Flowers: April-July
• ssp. brachycarpa – shortpod tansymustard, western tansymustard
Descurainia sophia – flixweed
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.
Origin: Introduced from Eurasia
Flowers: March-July
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.
Origin: Introduced from Eurasia
Flowers: March-July
Dianthus armeria – deptford pink
Distribution: Introduced in most of the United States
Habitat: Escaped from gardens
Origin: Introduced from Europe
Flowers: June - August
Distribution: Introduced in most of the United States
Habitat: Escaped from gardens
Origin: Introduced from Europe
Flowers: June - August
Dianthus barbatus – sweet William
Distribution: Introduced ornamental that occastionally escapes in western Washington and Oregon.
Habitat: Wasteland and disturbed soil.
Origin: Introduced from Europe
Flowers: June - August
Distribution: Introduced ornamental that occastionally escapes in western Washington and Oregon.
Habitat: Wasteland and disturbed soil.
Origin: Introduced from Europe
Flowers: June - August
Dicentra cucullaria – Dutchman'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.
Origin: Native
Flowers: March-May
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.
Origin: Native
Flowers: March-May
Dicentra formosa – Pacific bleedingheart
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.
Origin: Native
Flowers: March-July
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.
Origin: Native
Flowers: March-July
• ssp. formosa – Pacific bleeding heart
Dicentra uniflora – long-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.
Origin: Native
Flowers: February-June
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.
Origin: Native
Flowers: February-June
Dichanthelium acuminatum – hairy perennial panicgrass
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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
• ssp. fasciculatum – hairy panicgrass
Dichanthelium oligosanthes – Scribner's perennial panicgrass
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.
Origin: Native
Flowers: May-July
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.
Origin: Native
Flowers: May-July
• ssp. scribnerianum – Scribner's panicgrass witchgrass
Dichelostemma congestum – ookow, 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.
Origin: Native
Flowers: May-June
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.
Origin: Native
Flowers: May-June
Dieteria canescens – hoary-aster
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.
Origin: Native
Flowers: July-October
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.
Origin: Native
Flowers: July-October
• var. incana – tall hoary aster, hoary-aster
Digitalis purpurea – 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.
Origin: Introduced from Eurasia
Flowers: May-July
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.
Origin: Introduced from Eurasia
Flowers: May-July
Digitaria ischaemum – smooth 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.
Origin: Introduced from Eurasia
Flowers: July - September
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.
Origin: Introduced from Eurasia
Flowers: July - September
Digitaria sanguinalis – hairy crabgrass
Distribution: A weed in most of the United States.
Habitat: Lawns, gardens, and wasteland.
Origin: Introduced from Eurasia
Flowers: July - October
Distribution: A weed in most of the United States.
Habitat: Lawns, gardens, and wasteland.
Origin: Introduced from Eurasia
Flowers: July - October
Dionaea muscipula – Venus fly trap
Distribution: Sparingly introduced in localities in western Washington.
Habitat: Bogs, lake margins, swamps.
Origin: Introduced from southeast United States
Flowers: July-August
Distribution: Sparingly introduced in localities in western Washington.
Habitat: Bogs, lake margins, swamps.
Origin: Introduced from southeast United States
Flowers: July-August
Diphasiastrum alpinum – alpine clubmoss ground-pine
Distribution: Alaska to northern Washington, east to northern Idaho and northwest Montana.
Habitat: Rocky slopes, dry heath meadows, and open conifer forests at high elevations. In Washington, often found associated with Phyllodoce, Cassiope, and Vaccinium in dry heath soils.
Origin: Native
Distribution: Alaska to northern Washington, east to northern Idaho and northwest Montana.
Habitat: Rocky slopes, dry heath meadows, and open conifer forests at high elevations. In Washington, often found associated with Phyllodoce, Cassiope, and Vaccinium in dry heath soils.
Origin: Native
Diphasiastrum alpinum Diphasiastrum sitchense – hybrid clubmoss
Distribution: Known from British Columbia south to Oregon and east to Montana, also in Greenland and Newfoundland.
Habitat: Upper montane coniferous forest and brushy areas, and subalpine and alpine meadows. In Washington, has been found in subalpine-alpine heath meadows and on shaded mossy mineral soil below conifers on high montane roadcuts.
Origin: Native
Distribution: Known from British Columbia south to Oregon and east to Montana, also in Greenland and Newfoundland.
Habitat: Upper montane coniferous forest and brushy areas, and subalpine and alpine meadows. In Washington, has been found in subalpine-alpine heath meadows and on shaded mossy mineral soil below conifers on high montane roadcuts.
Origin: Native
Diphasiastrum complanatum – ground cedar, trailing ground-pine
Distribution: Occurring on both sides of the Cascades crest in Washington, primarily in the northern half of the state; Alaska south to Washington, Idaho and Montana, east across Canada and the northern U.S. to the Atlantic Coast.
Habitat: Moist to dry, usually coniferous forests, rocky slopes and sandy openings, low to mid-elevations.
Origin: Native
Spores: Sporing structures in summer and fall
Distribution: Occurring on both sides of the Cascades crest in Washington, primarily in the northern half of the state; Alaska south to Washington, Idaho and Montana, east across Canada and the northern U.S. to the Atlantic Coast.
Habitat: Moist to dry, usually coniferous forests, rocky slopes and sandy openings, low to mid-elevations.
Origin: Native
Spores: Sporing structures in summer and fall
Diphasiastrum sitchense – Alaskan clubmoss, Sitka clubmoss
Distribution: Alaska to Oregon, east to Idaho and Montana, and across central Canada to northeastern U.S. and eastern Canada; also in eastern Asia from Japan north.
Habitat: Subalpine-alpine meadows and open rocky areas at mid-to high elevations in the mountains; occasionally in conifer forest or under brush.
Origin: Native
Distribution: Alaska to Oregon, east to Idaho and Montana, and across central Canada to northeastern U.S. and eastern Canada; also in eastern Asia from Japan north.
Habitat: Subalpine-alpine meadows and open rocky areas at mid-to high elevations in the mountains; occasionally in conifer forest or under brush.
Origin: Native
Diplachne fusca – clustered salt-grassprangletop, loose-flowered sprangletop
Distribution: Occurring in a few scattered locations chiefly east of the Cascades crest in Washington; widely distributed throughout North America.
Habitat: Disturbed areas at low elevations.
Origin: Native
Flowers: August-September
Distribution: Occurring in a few scattered locations chiefly east of the Cascades crest in Washington; widely distributed throughout North America.
Habitat: Disturbed areas at low elevations.
Origin: Native
Flowers: August-September
• ssp. fascicularis – bearded sprangletop
Diplacus cusickioides – nesom's monkey-flower
Distribution: Known only from Klickitat County in Washington; Washington to California, east to Idaho
Habitat: Open, gravelly, dry slopes.
Origin: Native
Flowers: June-July
Distribution: Known only from Klickitat County in Washington; Washington to California, east to Idaho
Habitat: Open, gravelly, dry slopes.
Origin: Native
Flowers: June-July
Diplacus nanus – dwarf 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.
Origin: Native
Flowers: May-August
Distribution: East of the Cascades in Washington; British Columbia south to California, east to Montana and Colorado.
Habitat: Open, very dry areas.
Origin: Native
Flowers: May-August
Dipsacus fullonum – fuller's teasel
Distribution: Widely distributed in Washington; introduced throughout much of North America.
Habitat: Weed of moist ground and disturbed areas in the lowlands.
Origin: Introduced from Europe
Flowers: July-September
Distribution: Widely distributed in Washington; introduced throughout much of North America.
Habitat: Weed of moist ground and disturbed areas in the lowlands.
Origin: Introduced from Europe
Flowers: July-September
Distichlis spicata – alkaline 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.
Origin: Native
Flowers: June - September
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.
Origin: Native
Flowers: June - September
Dodecatheon alpinum – alpine 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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
Dodecatheon austrofrigidum – tundra shootingstar
Distribution: Occurring in coastal counties in southwestern Washington; Washington south to northwestern Oregon in coastal counties.
Habitat: Moist basaltic slopes, cliff faces, in coniferous forests along streams, or in alpine meadows.
Origin: Native
Flowers: April-May
Distribution: Occurring in coastal counties in southwestern Washington; Washington south to northwestern Oregon in coastal counties.
Habitat: Moist basaltic slopes, cliff faces, in coniferous forests along streams, or in alpine meadows.
Origin: Native
Flowers: April-May
Dodecatheon conjugens – slimpod shooting star, desert shooting star
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
Origin: Native
Flowers: April - June
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
Origin: Native
Flowers: April - June
Dodecatheon dentatum – white 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
Origin: Native
Flowers: May - July
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
Origin: Native
Flowers: May - July
Dodecatheon dentatum – white 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
Origin: Native
Flowers: May - July
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
Origin: Native
Flowers: May - July
Dodecatheon hendersonii – broad-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.
Origin: Native
Flowers: March-June
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to California.
Habitat: Woods and prairies, at low elevations in our area.
Origin: Native
Flowers: March-June
Dodecatheon jeffreyi – tall mountain shooting star, Jeffrey's 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
Origin: Native
Flowers: June - August
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
Origin: Native
Flowers: June - August
Dodecatheon poeticum – poet'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.
Origin: Native
Flowers: March - May
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.
Origin: Native
Flowers: March - May
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
Origin: Native
Flowers: April-July
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
Origin: Native
Flowers: April-July
• var. cusickii – Cusick's shootingstar, Cusick's shooting star, sticky shooting star
• var. pulchellum – dark-throated shooting star
Doronicum pardalianches – great leopard's-bane
Distribution: Known from Skamania County in Washington; southwestern British Columbia to Portland Oregon.
Habitat: Disturbed, open, generally moist soil
Origin: Introduced
Flowers: March-November
Distribution: Known from Skamania County in Washington; southwestern British Columbia to Portland Oregon.
Habitat: Disturbed, open, generally moist soil
Origin: Introduced
Flowers: March-November
Douglasia laevigata – smooth Douglasia, cliff dwarf primrose
Distribution: West of the Cascade crest in Washington; Alaska to Oregon, and in the Washington Olympics.
Habitat: Moist coastal bluffs to rocky alpine ridges.
Origin: Native
Flowers: March-August
Distribution: West of the Cascade crest in Washington; Alaska to Oregon, and in the Washington Olympics.
Habitat: Moist coastal bluffs to rocky alpine ridges.
Origin: Native
Flowers: March-August
Douglasia nivalis – snow 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.
Origin: Native
Flowers: April-August
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.
Origin: Native
Flowers: April-August
Downingia elegans – common 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.
Origin: Native
Flowers: July-August
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.
Origin: Native
Flowers: July-August
Downingia willamettensis – Willamette downingia
Distribution: Both sides of the Cascades in Washington; Washington south to California.
Habitat: Marshes, wet meadows and edges of ponds.
Origin: Native
Flowers: April-August
Distribution: Both sides of the Cascades in Washington; Washington south to California.
Habitat: Marshes, wet meadows and edges of ponds.
Origin: Native
Flowers: April-August
Draba albertina – Alaska 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.
Origin: Native
Flowers: May-August
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.
Origin: Native
Flowers: May-August
Draba aureola – alpine 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.
Origin: Native
Flowers: July-August
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.
Origin: Native
Flowers: July-August
Draba crassifolia – Rocky 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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
Draba densifolia – Nuttall'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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
Draba incerta – whitlow-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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
Draba lonchocarpa – lancefruit 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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
Draba nemorosa – woods 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.
Origin: Native
Flowers: March-June
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.
Origin: Native
Flowers: March-June
Draba novolympica – draba, 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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
Draba oligosperma – few-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.
Origin: Native
Flowers: May-July
Distribution: In the North Cascades mountains in Washington; Alaska south to California, east to Colorado.
Habitat: Plains to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Draba verna – spring 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.
Origin: Introduced from Europe
Flowers: February-May
Distribution: Widely distributed throughout Washington; widely distributed throughout North America; circumboreal.
Habitat: Shrub-steppe, grasslands, and open disturbed areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: February-May
Dracocephalum parviflorum – American 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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
Drosera anglica – English 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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
Drosera rotundifolia – round-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.
Origin: Native
Flowers: June-September
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.
Origin: Native
Flowers: June-September
Dryas drummondii – yellow mountain-avens
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
Origin: Native
Flowers: May - Early July
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
Origin: Native
Flowers: May - Early July
Dryas hookeriana – white 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.
Origin: Native
Flowers: June-September
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.
Origin: Native
Flowers: June-September
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.
Origin: Native
Flowers: June-August
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.
Origin: Native
Flowers: June-August
• ssp. glabrata – Idaho wood beauty
• ssp. glandulosa – gland cinquefoil, sticky cinquefoil
• ssp. pseudorupestris – cliff drymocallis
Dryopteris arguta – coastal 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.
Origin: Native
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.
Origin: Native
Dryopteris carthusiana – spinulose 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.
Origin: Native
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.
Origin: Native
Dryopteris cristata – crested wood fern fern, shield fern
Distribution: Circumboreal, extending south in North America to northern Idaho, northwest Montana, and Arkansas.
Habitat: Moist woods and thickets.
Origin: Native
Distribution: Circumboreal, extending south in North America to northern Idaho, northwest Montana, and Arkansas.
Habitat: Moist woods and thickets.
Origin: Native
Dryopteris expansa – northern fern, spreading wood fern
Distribution: Circumboreal; throughout the Pacific Northwest
Habitat: Moist to wet woods and streambanks
Origin: Native
Distribution: Circumboreal; throughout the Pacific Northwest
Habitat: Moist to wet woods and streambanks
Origin: Native
Duchesnea indica – Indian-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
Origin: Introduced
Flowers: May - June
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
Origin: Introduced
Flowers: May - June
Dulichium arundinaceum – three-way sedge
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.
Origin: Native
Flowers: July-September
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.
Origin: Native
Flowers: July-September
Dysphania ambrosioides – Mexican 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.
Origin: Introduced from southern North America and tropical America
Flowers: July-November
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.
Origin: Introduced from southern North America and tropical America
Flowers: July-November
Dysphania botrys – Jerusalem 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.
Origin: Introduced from Eurasia
Flowers: May-October
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.
Origin: Introduced from Eurasia
Flowers: May-October
Dysphania pumilio – small crumbweed, clammy goosefoot
Distribution: Introduced over much of the United States.
Habitat: Sandy or gravelly soiles, waste areas.
Origin: Introduced from Australia
Flowers: July - September
Distribution: Introduced over much of the United States.
Habitat: Sandy or gravelly soiles, waste areas.
Origin: Introduced from Australia
Flowers: July - September
