Includes all flowering plants, conifers, ferns and fern-allies.
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14 genera
41 species, 15 subspecies and varieties
Show only taxa with photos
Index to genera:
Fagopyrum,
Fallopia,
Festuca,
Ficaria,
Filago,
Filipendula,
Floerkea,
Foeniculum,
Fragaria,
Frangula,
Frasera,
Fraxinus,
Fritillaria,
Fumaria
– garden buckwheat
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, fields, waste areas; frequently escapes cultivation.
Origin: Introduced from Europe
Flowers: June-September
Growth Duration: Annual
– Bukhara fleeceflower, Chinese fleecevine, mile-a-minute vine
Distribution: Occurring chiefly west of the Cascades crest in Washington; southern British Columbia to Oregon, east to Idaho, also in scattered locations across North America.
Habitat: Roadsides, ditches, embankments, forest edge, and other disturbed open areas.
Origin: Introduced from central Asia
Flowers: Aug.-Sept.
Growth Duration: Perennial
– Bohemian knotweed, hybrid knotweed
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to Oregon, east to Montana, and in scattered locations across North America.
Habitat: Riparian zones, roadsides, ditches, wastelots, and other disturbed open areas generally at low elevations.
Origin: Introduced from eastern Asia
Flowers: July-October
Growth Duration: Perennial
– black bindweed, climbing bindweed, ivy bindweed
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, ditches, wastelots, cultivated fields, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: May-October
Growth Duration: Annual
–
Japanese knotweed
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Riparian zones, roadsides, ditches, wastelots, and other disturbed open areas.
Origin: Introduced from eastern Asia
Flowers: June-September
Growth Duration: Perennial
– Japanese knotweed
– giant knotweed
Distribution: Occurring chiefly west of the Cascades crest and east in the Columbia River Gorge in Washington; Alaska to California, east to Idaho and Montana, also in eastern North America.
Habitat: Riparian zones, roadsides, meadows, ditches, and other disturbed areas generally at low elevations.
Origin: Introduced from eastern Asia
Flowers: July-September
Growth Duration: Perennial
–
alpine fescue
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, and northeastern North America; circumboreal.
Habitat: Open rocky places in the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
– alpine fescue
– Colorado alpine fescue
– prairie fescue
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho, Montana, and the northern Great Plains.
Habitat: Upland prairies, montane and subalpine grasslands.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
– fine-leaf sheep fescue
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to Oregon; also in eastern North America.
Habitat: Sand dunes, quarries, roadsides, lawns.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Perennial
– bluebunch fescue, Idaho fescue
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Grasslands and sagebrush desert to dry mountain slopes, occasionally to the subalpine.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
– western fescue
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to southwestern Alberta and Wyoming; disjunct in the Great Lakes area.
Habitat: Forest understory, edges, and openings to rocky slopes.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
–
Roemer's fescue
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California.
Habitat: Meadows, grasslands, balds and forest openings mostly at low elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
– Roemer's fescue
– sand fescue
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast; circumboreal.
Habitat: Grasslands, balds, coastal bluffs, fields, meadows, and roadsides.
Origin: Both native and introduced
Flowers: May-August
Growth Duration: Perennial
–
Rocky Mountain fescue
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Lakes region, and northeastern North America, also in Far East Russia.
Habitat: Montane and subalpine meadows and open forest.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
– Rocky Mountain fescue
– bearded fescue
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the northern Great Plains and Colorado.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
– crinkle-awn fescue
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to California.
Habitat: Shady sites in dry to moist, lowland to montane forest.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
– hard fescue
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial
– Valais fescue
Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to California, east to Idaho.
Habitat: Roadsides, pastures, and grasslands.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial
– green-leaf fescue
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta and Montana.
Habitat: Subalpine slopes, rock slides, and meadows to well above timberline.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
– Washington fescue
Distribution: Occurring east of the Cascades crest in Washington; Southern British Columbia Washington.
Habitat: Well-drained slopes in sagebrush and open pine forest.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
– lesser celandine
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Oregon, also in eastern North America.
Habitat: Disturbed areas generally at low elevations, often where seasonally moist in the spring.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Perennial
– field cottonrose, field filago
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to Oregon, east to the northern Rocky Mountains, northern Great Plains, and Great Lakes region
Habitat: Dry meadows, fields, roadsides, and other disturbed, open areas at low to middle elevations.
Origin: Introduced
Flowers: July-September
Growth Duration: Annual
– German filago
Distribution: Known from lowland northwestern Washington; British Columbia to Oregon, also in the eastern U.S.
Habitat: Fields, roadsides, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Annual
– queen-of-the-forest
Distribution: Occurring west of the Cascades crest in southwestern Washington; southwestern Washington and adjacent northwestern Oregon.
Habitat: Damp mossy river rocks, near high water line, wet rocky slopes.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
– false mermaidweed
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across the northern U.S. and southern Canada to the Altantic Coast.
Habitat: Along vernal streams in the foothills to wet areas at middle elevations in the mountains.
Origin: Native
Flowers: April-July
Growth Duration: Annual
–
sweet fennel
Distribution: Occurring chiefly west of the Cascades crest in lowland areas in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Roadsides, fields, meadows, ditches, wastelots, and other disturbed open areas.
Origin: Introduced from the Mediterranean region
Flowers: July-September
Growth Duration: Biennial, Perennial
–
beach strawberry, coastal strawberry
Distribution: Occurring west of the Cascades crest in the coastal counties of Washington; Alaska to California.
Habitat: Sand dunes, strand, headlands, and other open coastal habitats.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
– beach strawberry, coastal strawberry
–
woodland strawberry
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Moist woods, stream banks and sandy meadows, low to middle elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
– woodland strawberry
–
blueleaf strawberry, mountain strawberry
Distribution: Occurring chiefly east of the Cascades crest in Washington except in sagebrush areas; Alaska to California, east to the Atlantic Coast.
Habitat: Open woods to gravelly meadows in the plains and lower mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
– blueleaf strawberry, broadpetal strawberry, wild strawberry
–
buckthorn, false buckthorn, cascara
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana.
Habitat: Forest understory and margins from low to moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
– buckthorn, cascara
–
white-stemmed frasera
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Montana and Nevada.
Habitat: Low plains to open areas in the mountains at moderate elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
– white-stemmed frasera
– Columbia frasera
– clustered frasera, Umpqua green-gentian
Distribution: Occurring east of the Cascades crest in eastern and southeastern Washington; southeastern Washington to adjacent Oregon, east to northeast Idaho.
Habitat: Moist woods and meadowlands.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
–
elkweed, giant frasera, monument plant
Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington to California, east to the Great Plains.
Habitat: Slopes, forest openings, and meadows from middle elevations to the subalpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
– showy frasera
– Oregon ash
Distribution: Occurring chiefly west of the Cascades crest but also east in the Columbia River Gorge in Washington; southwestern British Columbia to California.
Habitat: Forest edge, thickets, prairie margins, and fields, generally where moist.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
– green ash
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho and Montana; native to central and eastern North America.
Habitat: Riparian zones where soil is moist but not saturated.
Origin: Introduced from central and eastern North America
Flowers: April-June
Growth Duration: Perennial
– checker lily, chocolate lily, rice-root lily
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, disjunct in eastern Washington and northern Idaho.
Habitat: Prairies, balds, and grassy bluffs to woodlands and coniferous forests, sea level to fairly high elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
– black lily, Indian rice
Distribution: Occurring west of the Cascades crest in northwestern Washington; Alaska to Oregon.
Habitat: Moist areas from near tide flats to mountain meadows.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
– yellow bells, yellow fritillary, yellow mission bells
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California and Nevada, east to Montana and Utah.
Habitat: Shrub-steppe to mixed coniferous forests, from low to moderate elevations.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
– common fumitory, wall fumitory
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to Washington.
Habitat: Forest edge, roadsides, sidewalk cracks, wastelots, and other disturbed sites.
Origin: Introduced
Flowers: April-June
Growth Duration: Perennial
– common fumitory
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Disturbed soil and waste places.
Origin: Introduced from Europe
Flowers: May-June
Growth Duration: Annual
– few-flower fumitory, Martin's fumitory
Distribution: Occurring west of the Cascades crest in Washington. currently known from Washington only.
Habitat: Roadsides, ditches, wastelots, sidewalk cracks, and other disturbed areas.
Origin: Introduced
Flowers: April-June
Growth Duration: Perennial