Vascular Plants
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Common names beginning with D:
Nonesuch daffodil (Narcissus incomparabilis)
Daffofil (Narcissus pseudonarcissus)
Distribution: Escaped and naturalized over much of eastern United States; occasional in western Washington, especially Island County.
Habitat: Roadsides, fields and waste places.
Origin: Introduced from Europe
Hybrid daffofil (Narcissus ×incomparabilis)
Origin: Introduced to gardens from Europe
Daggerpod (Phoenicaulis cheiranthoides)
Distribution: East of the Cascades in Washington; Washington to California, east to Idaho and Nevada.
Habitat: Shrub-steppe and open Ponderosa pine forests.
Origin: Native
Columbia River daisy (Columbiadoria hallii)
Distribution: Occurring in the south-central region of Washington; Washington south to Oregon.
Habitat: Dry, open or sparsely wooded slopes.
Origin: Native
Cutleaf daisy (Erigeron compositus)
Distribution: British Columbia to Oregon, east to Montana
Habitat: Sandy riverbanks at low elevations to rocky outcrops at mid- to high elevation in the mountains
Origin: Native
Desert yellow daisy (Erigeron linearis)
Distribution: East of the Cascades in Washington; southern British Columbia to Oregon.
Habitat: Dry, open, often rocky areas at low to mid-elevations
Origin: Native
Diffuse daisy (Erigeron divergens)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to the Great Plains of the U.S.
Habitat: Meadows, grasslands, riverbanks, and forest openings from low to moderate elevations.
Origin: Native
Eastwood's daisy (Erigeron aliceae)
Distribution: In the Olympic Mountains of Washington, in the Cascades of Oregon, and in the Siskiyou Mountains of Oregon and California.
Habitat: Moist to fairly dry, sandy, open areas at mid-elevations in the mountains.
Origin: Native
English daisy (Bellis perennis)
Distribution: Introduced throughout the United States; chiefly west of the Cascades in Washington and Oregon
Habitat: Lawns and cultivated areas, usually where moist
Origin: Introduced
Foothill daisy (Erigeron corymbosus)
Distribution: Cheifly east of the Cascades, southern British Columbia to eastern Oregon, east to Montana and Wyoming.
Habitat: Open, usually dry places, often among sagebrush.
Origin: Native
Golden daisy (Erigeron aureus)
Distribution: Both sides of the Cascades in Washington; British Columbia south to Washington, east to Alberta.
Habitat: Exposed rocky areas, cliffs, and ridges, often at high elevations in the mountains.
Origin: Native
Gorge daisy (Erigeron oreganus)
Distribution: Columbia River Gorge, more common on the Oregon side.
Habitat: Moist shady cliffs and ledges.
Origin: Native
Howell's daisy (Erigeron howellii)
Distribution: Soouth side of the Columbia River Gorge in Oregon and Skamania County, Washington
Habitat: Moist, rocky places in the lowlands.
Origin: Native
Lawn daisy (Bellis perennis)
Distribution: Introduced throughout the United States; chiefly west of the Cascades in Washington and Oregon
Habitat: Lawns and cultivated areas, usually where moist
Origin: Introduced
Northern daisy (Erigeron nivalis)
Distribution: Occurring on both sides of the Cascades crest in Washington;
Habitat: Moist open areas from streambanks to subalpine meadows. Alaska to California, east to the Rocky Mountains.
Origin: Native
Oxeye daisy (Leucanthemum vulgare)
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: Open, disturbed areas including roadsides, pastures, prairies, grasslands and wastelots.
Origin: Introduced from Eurasia
Salish daisy (Erigeron salishii)
Distribution: British Columbia and Washington.
Habitat: Cliffs, ridges, ledges and gravelly slopes at mid- to high elevations in the mountains.
Origin: Native
Shasta daisy (Leucanthemum maximum)
Distribution: Occasionally escaping from cultivation, but usually short-lived.
Habitat: Disturbed sites, meadows, clearings.
Origin: Introduced
Shasta daisy (Leucanthemum ×superbum)
Origin: Introduced
Short rayed daisy (Erigeron lonchophyllus)
Distribution: East of the Cascades, British Columbia to California, east to Quebec and North Dakota.
Habitat: Damp meadows and other moist places at high elevations in the mountains.
Origin: Native
Showy daisy (Erigeron speciosus)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, Nevada, and Arizona, east to the Rocky Mountains and South Dakota.
Habitat: Prairies and forest openings from the lowlands to moderate elevations in the mountains.
Origin: Native
Snake River daisy (Erigeron disparipilus)
Distribution: Near the Snake River from extreme southeast Washington to Owyhee County, Idaho
Habitat: Dry, rocky hillsides
Origin: Native
Triple nerved daisy (Erigeron subtrinervis)
Distribution: Washington to the Dakotas, south to Colorado, but not found in Oregon
Habitat: Moderately dry, open places at moderate to mid-elevations in the mountains
Origin: Native
Tufted daisy (Erigeron caespitosus)
Distribution: Alaska and Yukon to eastern Washington and Idaho, south to Arizona.
Habitat: Dry, open, and often rocky places.
Origin: Native
Common dandelion (Taraxacum officinale)
Distribution: Occurring throughout Washington; introduced throughout North America.
Habitat: Common in disturbed areas, fields, lawns, from the coast to the alpine.
Origin: Introduced from Europe
False dandelion (Hypochaeris glabra)
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to California; central and eastern U.S.
Habitat: Rocky balds, disturbed meadows, wasteland areas, especially in sandy soil.
Origin: Introduced from Europe
Horned dandelion (Taraxacum ceratophorum)
Origin: Native
Red-seeded dandelion (Taraxacum erythrospermum)
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Meadows, grasslands, prairies, and other open areas, typically where some level of disturbance present.
Origin: Introduced
Weevil prairie dandelion (Nothocalais troximoides)
Distribution: East of the Caascades crest in Washington; British Columbia south to California, east to Montana, Wyoming and Utah.
Habitat: Dry, open areas in lowlands and foothills, especially in lithosol.
Origin: Native
Orange daylily (Hemerocallis fulva)
Distribution: Occurring in the Puget Sound lowlands; widely distributed throughout North America.
Habitat: Roadsides, old homesteads, stream banks, disturbed sites.
Origin: Introduced from eastern Asia
Common dead-nettle (Lamium amplexicaule)
Distribution: Both sides of the Cascades in Washington; introduced and widespread in North America; Eurasia and North Africa.
Habitat: Weed in distrurbed areas, fields, lawns.
Origin: Introduced from Eurasia
Cutleaf dead-nettle (Lamium hybridum)
Origin: Introduced from Eurasia
Red dead-nettle (Lamium purpureum)
Distribution: Both sides of the Cascades in Washington, but more common on the west side; introduced throughout North America.
Habitat: Weed in distrurbed areas, fields, lawns at lower elevations.
Origin: Introduced from Eurasia
Red dead-nettle (Lamium purpureum)
Distribution: Both sides of the Cascades in Washington, but more common on the west side; introduced throughout North America.
Habitat: Weed in distrurbed areas, fields, lawns at lower elevations.
Origin: Introduced from Eurasia
Deeproot (Iva axillaris)
Distribution: Chiefly east of the Castades, southern British Columbia to California, east to Manitoba and Oklahoma.
Habitat: Dry, often alkaline places, in the valleys, plains and foothills.
Origin: Native
Deer's-foot (Achlys californica)
Distribution: On both sides of the Cascades and in the Olympic Mountains in Washington; British Columbia south to California.
Habitat: Moist areas in deep woods to open parks.
Origin: Native
Deer-cabbage (Fauria crista-galli)
Origin: Native
Deerbrush (Ceanothus integerrimus)
Distribution: East of the Cascades in Washington along and near the Columbia; Washington south to Baja California.
Habitat: Dry, open forests and open areas at low to moderate elevations.
Origin: Native
Deerfoot (Achlys triphylla)
Distribution: Both sides of the Cascades in Washington; British Columbia south to California.
Habitat: Moist areas in deep woods to forest openings.
Origin: Native
Meadow deervetch (Lotus pinnatus)
Distribution: Northwest Washington south to central California, east along rivers to Idaho.
Habitat: Moist soil.
Origin: Native
Bladder desert-parsley (Lomatium utriculatum)
Distribution: West of the Cascades in Washington;British Columbia south to California.
Habitat: Low elevations; somewhat moist, open, often rocky areas.
Origin: Native
Bradshaw's desert-parsley (Lomatium bradshawii)
Distribution: Willamette Valley of Oregon from near Salem to near Eugene.
Habitat: Low, moist ground.
Origin: Native
Brandegee's desert-parsley (Lomatium brandegeei)
Distribution: Chiefly east of the Cascades in Washington;
Habitat: Open to wooded slopes, moderate to fairly high elevations in the mountains; southern British Columbia south to Washington.
Origin: Native
Canby's desert-parsley (Lomatium canbyi)
Distribution: Along Columbia River in NE Washington, common from Kittitas County south into Oregon
Habitat: Scablands and sagebrush steppe in rather deep soil
Origin: Native
Columbia Gorge desert-parsley (Lomatium columbianum)
Distribution: At the east end of the Columbia River Gorge in Washington; Washington south to northern Oregon.
Habitat: Deeper soil in shrub-steppe.
Origin: Native
Cous-root desert-parsley (Lomatium cous)
Distribution: Southeast Washington and northeast Oregon,east through Idaho to Montana and Wyoming
Habitat: Dry, open, often rocky places often with sagebrush; common at low elevations, occasionally found much higher
Origin: Native
Geyer's desert-parsley (Lomatium geyeri)
Distribution: Chiefly east of the Cascades in Washington; southern British Columbia south to Washington, east to Idaho.
Habitat: Deeper soil in low to mid-elevations of open, dry areas, and under Ponderosa pine.
Origin: Native
Gorman's desert-parsley (Lomatium gormanii)
Distribution: East of the Cascades in Washington; Washington south to Oregon, east to Idaho.
Habitat: Open slopes and scablands in the foothills, valleys and plains, often with sagebrush.
Origin: Native
Large-fruit desert-parsley (Lomatium macrocarpum)
Distribution: East of the Cascades in Washington; British Columbia south to California, east to North Dakota, Wyoming and Utah.
Habitat: Open, dry, rocky areas at low elevations.
Origin: Native
Potato desert-parsley (Lomatium tuberosum)
Distribution: Scattered locations in Yakima County, Washington, and adjacent counties.
Habitat: Rocky slopes and talus.
Origin: Native
Rollins' desert-parsley (Lomatium rollinsii)
Distribution: Canyons of the Snake and lower Salmon Rivers, eastern Oregon and western Idaho.
Habitat: Open slopes.
Origin: Native
Salmon River desert-parsley (Lomatium salmoniflorum)
Distribution: Near the Snake and Clearwater Rivers in Idaho, Latah and Nez Perce Counties, Idaho, and Whitman County west to Palouse Falls, Washington.
Habitat: Open, rocky slopes.
Origin: Native
Slickrock desert-parsley (Lomatium laevigatum)
Distribution: Along the Columbia River in Klickitat County, Washington, and adjacent Oregon.
Habitat: Crevices is basalt cliffs.
Origin: Native
Snake Canyon desert-parsley (Lomatium serpentinum)
Distribution: Near the Snake River Canyon, western Idaho, eastern Oregon and extreme southeast Washington.
Habitat: Open, often rocky slopes.
Origin: Native
Streambank desert-parsley (Lomatium ambiguum)
Distribution: Chiefly east of the Cascades in Washington; southern British Columbia south to northeast Oregon, east to western Montana.
Habitat: Open, often rocky slopes and flats, from the foothills to moderate elevations in the mountains.
Origin: Native
Suksdorf's desert-parsley (Lomatium suksdorfii)
Distribution: Endemic in Klickitat County, Washington
Habitat: Dry, open slopes
Origin: Native
Swale desert-parsley (Lomatium ambiguum)
Distribution: Chiefly east of the Cascades in Washington; southern British Columbia south to northeast Oregon, east to western Montana.
Habitat: Open, often rocky slopes and flats, from the foothills to moderate elevations in the mountains.
Origin: Native
Thompson's desert-parsley (Lomatium thompsonii)
Origin: Native
Umptanum desert-parsley (Lomatium quintuplex)
Distribution: Endemic to eastern Kittitas County and northeastern Yakima County, Washington.
Habitat: Principally lithosol areas in the shrub-steppe.
Origin: Native
Watson's desert-parsley (Lomatium watsonii)
Distribution: Soluthern Kittitas County, south through Yakima and Klickitat Counties, to northcentral Oregon.
Habitat: Open hillsides, often with sagebrush.
Origin: Native
Wenatchee desert-parsley (Lomatium cuspidatum)
Distribution: Endemic to the Wenatchee Mountains of Chelan and Kittitas Counties, Washington.
Habitat: Open, rocky slopes, often on serpentine, between 2500-6000 ft.
Origin: Native
Bolander's desert-trumpets (Leptosiphon bolanderi)
Distribution: Near the east base of the Cascades in Klickitat County, Washington, and in the Sierra Nevada and Coast Range of California.
Habitat: Dry, open places at lower elevations, often on serpentine.
Origin: Native
King devil (Hieracium aurantiacum)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east across southern Canada and northern U.S; widely distributed throughout eastern U.S.
Habitat: Moist sites from lowlands to mid-elevations in the mountains, typically where disturbed.
Origin: Introduced from Europe
Yellow king devil (Hieracium caespitosum)
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia south to Washington, east to Idaho, Montana, and Wyoming; also occurring throughout eastern North America.
Habitat: Moist places from the lowlands to moderate elevations in the mountains, usually where the soil has been disturbed.
Origin: Introduced from Europe
Devil's-club (Oplopanax horridus)
Distribution: Widely distributed throughout the forested areas of Washington; Alaska south to Oregon, east to Ontario.
Habitat: Moist woods at mid-elevations, especially along streams.
Origin: Native
Devil-in-the-bush (Nigella damascena)
Distribution: Introduced across the northern states in the United States, and parts of southern Canada.
Habitat: Dump sites and waste ground.
Origin: Introduced from Eurasia
Bristly dewberry (Rubus hispidus)
Origin: Introduced
Dewberry (Rubus ursinus)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia south to California, east to Idaho.
Habitat: Open to fairly dense woodlands, sea level to mid-elevations in the mountains; common in logged areas.
Origin: Native
Hairy-fruit smooth dewberry (Rubus lasiococcus)
Distribution: Occurring on both sides of the Cascades crest and in the Olympic Mountains in Washington; British Columbia south to California.
Habitat: Moist to dry woods, lowlands to subalpine.
Origin: Native
Snow dewberry (Rubus nivalis)
Distribution: British Columbia south to southwest Oregon, in the Cascade, Olympic and coastal mountains.
Habitat: Open to deeply shaded, usually moist areas in the mountains at moderate to mid-elevations.
Origin: Native
Swamp dewberry (Rubus hispidus)
Origin: Introduced
Dill (Anethum graveolens)
Origin: Introduced. Native to Asia.
Beaked ditch-grass (Ruppia maritima)
Distribution: Along the Pacific Coast from Alaska to California, inland throughout Canada and the United States to the Atlantic Coast.
Habitat: Coastal in saline or brackish water, inland in ponds, ditches, and lakes.
Origin: Native
Ditch-grass (Ruppia maritima)
Distribution: Along the Pacific Coast from Alaska to California, inland throughout Canada and the United States to the Atlantic Coast.
Habitat: Coastal in saline or brackish water, inland in ponds, ditches, and lakes.
Origin: Native
Spiral ditch-grass (Ruppia maritima)
Distribution: Along the Pacific Coast from Alaska to California, inland throughout Canada and the United States to the Atlantic Coast.
Habitat: Coastal in saline or brackish water, inland in ponds, ditches, and lakes.
Origin: Native
Western ditch-grass (Ruppia maritima)
Distribution: Along the Pacific Coast from Alaska to California, inland throughout Canada and the United States to the Atlantic Coast.
Habitat: Coastal in saline or brackish water, inland in ponds, ditches, and lakes.
Origin: Native
Dittander (Lepidium latifolium)
Distribution: Chiefly east of the Cascades in Washington but also found in the western lowlands; widely distributed throughout central and western North America.
Habitat: Moist areas and irrigated land, but also on drier areas.
Origin: Introduced from Eurasia
American golden dock (Rumex fueginus)
Origin: Native
Bitter dock (Rumex obtusifolius)
Distribution: Occurring on both sides of the Cascades in Washington; widely distributed throughout much of North America.
Habitat: Moist roadsides and wasteland.
Origin: Introduced
Clustered dock (Rumex conglomeratus)
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, also along southern U.S. border to central and eastern U.S.
Habitat: A weed of waste ground.
Origin: Introduced
Curly dock (Rumex crispus)
Distribution: Introduced and common in most of North America from the coast to inland mountains.
Habitat: Moist meadows.
Origin: Introduced
Golden dock (Rumex maritimus)
Distribution: Distributed throughout much of Washington; Alaska east to Quebec, south over most of the United States.
Habitat: Mostly in wet places.
Origin: Introduced
Narrow-leaved dock (Rumex stenophyllus)
Origin: Introduced from Europe
Narrow-leaved dock (Rumex transitorius)
Origin: Native
Narrowleaf dock (Rumex stenophyllus)
Origin: Introduced from Europe
Or triangular-valved dock (Rumex triangulivalvis)
Distribution: Occurring east of the Cascades in Washington; widely distributed throughout most of North America except the southeastern U.S.
Habitat: Range of habitats from riverbanks, stream edges, meadows, open hillsides, roadsides and wastelots; often associated with some type of disturbance.
Origin: Native
Pacific willow dock (Rumex transitorius)
Origin: Native
Patience dock (Rumex patientia)
Origin: Introduced
Red-vein dock (Rumex sanguineus)
Origin: Introduced
Seashore dock (Rumex persicarioides)
Origin: Native
Sharp dock (Rumex conglomeratus)
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, also along southern U.S. border to central and eastern U.S.
Habitat: A weed of waste ground.
Origin: Introduced
Sour dock (Rumex crispus)
Distribution: Introduced and common in most of North America from the coast to inland mountains.
Habitat: Moist meadows.
Origin: Introduced
Tierra del Fuego dock (Rumex fueginus)
Origin: Native
Veiny dock (Rumex venosus)
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to the Rocky Mountains and Great Plains.
Habitat: Sand dunes and sandy river banks to dry, gravelly soil, sagebrush deserts and grasslands at low elevations.
Origin: Native
Western dock (Rumex occidentalis)
Distribution: Distributed on both sides of the Cascades in Washington; Alaska south to central California, east to North Dakota and New Mexico.
Habitat: Moist to swampy areas and wet meadows, from the sea coast to foothill valleys.
Origin: Native
Western willow dock (Rumex hesperius)
Origin: Native
Winged dock (Rumex venosus)
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to the Rocky Mountains and Great Plains.
Habitat: Sand dunes and sandy river banks to dry, gravelly soil, sagebrush deserts and grasslands at low elevations.
Origin: Native
Yellow dock (Rumex persicarioides)
Origin: Native
Alfalfa dodder (Cuscuta approximata)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to the Great Plains.
Habitat: Agricultural fields, often on alfalfa, and other disturbed, open areas.
Origin: Introduced
Buttonbush dodder (Cuscuta cephalanthi)
Origin: Native
Desert dodder (Cuscuta denticulata)
Distribution: Central Washington; south to Baja California, east to Colorado.
Habitat: Parasitic on shrubs in arid shrub-steppe communities.
Origin: Native
Field dodder (Cuscuta campestris)
Origin: Native
Field dodder (Cuscuta pentagona)
Distribution: Chiefly east of the Cascades in Washington; widely distributed throughout North America.
Habitat: Parasitic on a variety of hosts.
Origin: Native probably
Field dodder (Cuscuta pentagona)
Distribution: Chiefly east of the Cascades in Washington; widely distributed throughout North America.
Habitat: Parasitic on a variety of hosts.
Origin: Native probably
Five-angled dodder (Cuscuta pentagona)
Distribution: Chiefly east of the Cascades in Washington; widely distributed throughout North America.
Habitat: Parasitic on a variety of hosts.
Origin: Native probably
Flax dodder (Cuscuta epilinum)
Origin: Introduced
Mountain dodder (Cuscuta suksdorfii)
Distribution: Southern Washington to the southern Sierra Nevada, California, at medium to high elevations.
Habitat: On Aster, Spraguea, and other hosts.
Origin: Native
Prairie dodder (Cuscuta plattensis)
Origin: Native
Salt marsh dodder (Cuscuta pacifica)
Distribution: British Columbia to Baja California.
Habitat: Coastal marshes and saltwater tideflats.
Origin: Native
Salt marsh dodder (Cuscuta pacifica)
Distribution: British Columbia to Baja California.
Habitat: Coastal marshes and saltwater tideflats.
Origin: Native
Western dodder (Cuscuta occidentalis)
Distribution: In most Western states, Washington to California, east to Colorado.
Habitat: Found on many different hoasts.
Origin: Native
Spreading dogbane (Apocynum androsaemifolium)
Distribution: Throughout Washington and much of Canada and the United States
Habitat: Common on rather dry soil in open areas from low to fairly high elevations
Origin: Native
Dogfennel (Anthemis cotula)
Distribution: Introduced throughout the United States
Habitat: Weed of roadsides and disturbed area
Origin: Introduced
Crested dogtail (Cynosurus cristatus)
Distribution: Introduced in scattered locations west of the Cascades in Washington and Oregon, and in California and Idaho.
Habitat: Waste places, old meadows, roadsides.
Origin: Introduced
Mountain dogwood (Cornus nuttallii)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho.
Habitat: Open to rather dense damp forests, often along streams.
Origin: Native
Nuttall's dogwood (Cornus nuttallii)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho.
Habitat: Open to rather dense damp forests, often along streams.
Origin: Native
Pacific dogwood (Cornus nuttallii)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho.
Habitat: Open to rather dense damp forests, often along streams.
Origin: Native
Western flowering dogwood (Cornus nuttallii)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho.
Habitat: Open to rather dense damp forests, often along streams.
Origin: Native
Smooth douglasia (Douglasia laevigata)
Distribution: Alaska to Oregon.
Habitat: Moist coastal bluffs to rocky alpine ridges.
Origin: Native
Smooth douglasia (Douglasia laevigata)
Distribution: Alaska to Oregon.
Habitat: Moist coastal bluffs to rocky alpine ridges.
Origin: Native
Snow douglasii (Douglasia nivalis)
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
Doveweed (Croton setiger)
Distribution: East of the Cascades crest in Washington; Washington south to Baja California.
Habitat: Chiefly in semi-desert conditions, but to the coast in California.
Origin: Native
Doveweed (Croton setiger)
Distribution: East of the Cascades crest in Washington; Washington south to Baja California.
Habitat: Chiefly in semi-desert conditions, but to the coast in California.
Origin: Native
Cascade downingia (Downingia yina)
Distribution: Both sides of the Cascades in Washington; Washington south to California.
Habitat: Marshes, wet meadows and edges of ponds.
Origin: Native
Common downingia (Downingia elegans)
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
Alaska draba (Draba albertina)
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
Coast mountain whitlow-grass draba (Draba ruaxes)
Origin: Native
Draba (Draba novolympica)
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
Draba (Draba praealta)
Origin: Native
Draba (Draba ruaxes)
Origin: Native
Lancefruit draba (Draba lonchocarpa)
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
Nuttall's draba (Draba densifolia)
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
Payson's whitlow-grass draba (Draba novolympica)
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
Rocky Mountain draba (Draba crassifolia)
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
Tall whitlow-grass draba (Draba praealta)
Origin: Native
Taylor's draba (Draba taylorii)
Origin: Native
Thick-leaved draba (Draba crassifolia)
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
Woods draba (Draba nemorosa)
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
American dragonhead (Dracocephalum parviflorum)
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
Purple dragonhead (Physostegia parviflora)
Distribution: East of the Cascade summits, British Columbia south through Washington to the Columbia Gorge, where west to Portland, Oregon; east to Idaho and North Dakota.
Habitat: Shores of strams and lakes, marshes, and other low, wet places in the valleys and foothills.
Origin: Native
Western false dragonhead (Physostegia parviflora)
Distribution: East of the Cascade summits, British Columbia south through Washington to the Columbia Gorge, where west to Portland, Oregon; east to Idaho and North Dakota.
Habitat: Shores of strams and lakes, marshes, and other low, wet places in the valleys and foothills.
Origin: Native
Indian's dream (Aspidotis densa)
Distribution: British Columbia to California, east to Idaho and Montana
Habitat: Cliff crevices and moist, rocky slopes, foothills to near timberline, often on serpentine
Origin: Native
Sand dropseed (Sporobolus cryptandrus)
Distribution: British Columbia south, east of the Cascades, to southern California, east to Ontario, Maine, and most of the United States except the extreme southeast.
Habitat: Sagebrush desert, especilly where sandy, to the foothills and grassland.
Origin: Native
Small dropseed (Sporobolus neglectus)
Origin: Native
White dryas (Dryas hookeriana)
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
Cordilleran drymocallis (Drymocallis convallaria)
Origin: Native
Duck's-bill (Pedicularis ornithorhyncha)
Distribution: In the Cascades of Washington; Alaska south to Washington.
Habitat: High mountain meadows.
Origin: Native
Duckmeal (Spirodela polyrrhiza)
Distribution: Widely distributed throughout the United States and southern Canada
Habitat: Quiet water, ponds, marshes and slow-moving streams
Origin: Native
Common duckmeat (Spirodela polyrrhiza)
Distribution: Widely distributed throughout the United States and southern Canada
Habitat: Quiet water, ponds, marshes and slow-moving streams
Origin: Native
Dotted duckmeat (Spirodela punctata)
Origin: Introduced from Old World tropics
Common duckweed (Lemna minor)
Distribution: Cosmopolitan in temperate and subtropical regions
Habitat: In standing or slow-moving fresh water
Origin: Native
Greater duckweed (Spirodela polyrrhiza)
Distribution: Widely distributed throughout the United States and southern Canada
Habitat: Quiet water, ponds, marshes and slow-moving streams
Origin: Native
Ivy duckweed (Lemna trisulca)
Distribution: Throughout much of the temperate and subtropical regions of the world.
Habitat: Quiet streams and standing fresh water.
Origin: Native
Ivy-leaved duckweed (Lemna trisulca)
Distribution: Throughout much of the temperate and subtropical regions of the world.
Habitat: Quiet streams and standing fresh water.
Origin: Native
Least duckweed (Lemna minuta)
Origin: Native
Lesser duckweed (Lemna minor)
Distribution: Cosmopolitan in temperate and subtropical regions
Habitat: In standing or slow-moving fresh water
Origin: Native
Star duckweed (Lemna trisulca)
Distribution: Throughout much of the temperate and subtropical regions of the world.
Habitat: Quiet streams and standing fresh water.
Origin: Native
Turion duckweed (Lemna turionifera)
Distribution: Occurring in aquatic environments throughout Washington; cosmopolitan in temperate and subtropical regions.
Habitat: In standing or slow-moving fresh water.
Origin: Native
Dutchman's-breeches (Dicentra cucullaria)
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
Douglas-fir dwarf-mistletoe (Arceuthobium douglasii)
Distribution: British Columbia to California, east to Montana and New Mexico.
Habitat: On the branches of Pseudotsuga menziesii.
Origin: Native
Fir dwarf-mistletoe (Arceuthobium campylopodum)
Distribution: In the Pacific Northwest on Pinus contorta and P. ponderosa (Compare range of these two species)
Habitat: Parasitic on Pinus contorta and P. ponderosa, sea level to mid-elevations in the mountains
Origin: Native
Larch dwarf-mistletoe (Arceuthobium laricis)
Origin: Native
Lodgepole pine dwarf-mistletoe (Arceuthobium americanum)
Distribution: Chiefly east of the Cascades crest in Washington; southern British Columbia south to California, east to Montana, Colorado and New Mexico.
Habitat: Parasitic on Pinus, usually on Pinus contorta.
Origin: Native
Western dwarf-mistletoe (Arceuthobium campylopodum)
Distribution: In the Pacific Northwest on Pinus contorta and P. ponderosa (Compare range of these two species)
Habitat: Parasitic on Pinus contorta and P. ponderosa, sea level to mid-elevations in the mountains
Origin: Native
Dwarf-snapdragon (Chaenorhinum minus)
Distribution: Scattered locations on both sides of the Cascades in Washington; British Columbia south to Oregon; occurring throughout much of North America.
Habitat: Roadside, disturbed open areas, waste ground.
Origin: Introduced from Europe
Yellow dye (Reseda luteola)
Distribution: Scattered locations in Washington; British Columbia south to California; scattered locations in central and eastern North America.
Habitat: Disturbed ground.
Origin: Introduced from Europe