Vascular Plants

Includes all flowering plants, conifers, ferns and fern-allies.


Browse by scientific name:

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
Scientific names beginning with F:
14 genera
43 species, 22 subspecies and varieties
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Fagopyrum esculentumgarden buckwheat
Distribution: Introduced in much of the United States.
Habitat: Roadsides, fields, waste areas; frequently escapes cultivation.
Origin: Introduced
Flowers: June - September
Fallopia baldschuanicaBukhara 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.
Fallopia ×bohemicaBohemian 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
Fallopia convolvulusblack 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
Fallopia japonicaJapanese 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
var. japonica – Japanese knotweed
Fallopia sachalinensisgiant 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
Festuca brachyphyllaalpine fescue
Origin: Native
ssp. brachyphylla – alpine fescue
Festuca campestrisprairie fescue
Origin: Native
Festuca filiformisfine-leaf sheep fescue
Origin: Introduced from Europe
Flowers: May - August
Festuca idahoensisbluebunch 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
Festuca occidentaliswestern fescue
Origin: Native
Flowers: Late May - July
Festuca ovinasheep fescue
Origin: Introduced
Festuca roemeriRoemer's fescue
Distribution: Chiefly west of the Cascades crest in Washington; British Columbia south to California.
Habitat: Meadows, grasslands, balds and forest openings mostly at low elevations.
Origin: Native
Flowers: May-July
Festuca rubrared fescue
Origin: Both native and introduced
Flowers: June - August
ssp. juncea – rock fescue
ssp. mediana – dune red fescue
ssp. rubra – red fescue
ssp. secunda – red fescue
Festuca saximontanaRocky 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
var. purpusiana – Rocky Mountain fescue
Festuca subulatabearded fescue
Origin: Native
Flowers: Late May - Early June
Festuca subulifloracrinkle-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
Festuca trachyphyllahard fescue
Origin: Introduced
Festuca valesiacaValais fescue
Origin: Introduced
Festuca viridulagreen-leaf fescue
Distribution: British Colubia south to California, east to Alberta and Montana.
Habitat: Subalpine slopes, rock slides, and meadows to well above timberline.
Origin: Native
Flowers: June - July
Festuca washingtonicaWashington fescue
Distribution: Occurring east of the Cascades crest in Washington; Southern British Columbia Washington.
Origin: Native
Ficaria vernalesser celandine
Distribution: In scattered locations in western Washington but likely more widespread; British Columbia south to Oregon; eastern North America.
Habitat: Disturbed areas often where shaded and moist.
Origin: Introduced from Europe
Flowers: April-May
Filago arvensisfield cottonrose, cudweed, field filago, field cotton rose
Distribution: Occurring east of the Cascades crest in Washington; Alaska to Oregon, east to Sasketchewan, Nebraska, Minnesota and Michigan.
Habitat: Dry, open waste land and overgrazed ranges.
Origin: Introduced
Flowers: July-September
Filago vulgarisGerman filago
Origin: Introduced from Europe
Filipendula occidentalisqueen-of-the-forest
Origin: Native
Flowers: June - July
Floerkea proserpinacoidesfalse mermaidweed
Distribution: Chiefly east of the Cascades in Washington; British Columbia south 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 mid-elevations in the mountains.
Origin: Native
Flowers: April-July
Foeniculum vulgaresweet 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
Fragaria chiloensisbeach strawberry, coastal strawberry
Distribution: Occurring in the coastal counties in Washington; Alaska to California.
Habitat: Sand dunes, strand, headlands, and other open coastal habitats.
Origin: Native
Flowers: April-June
ssp. pacifica – beach strawberry, coastal strawberry
Fragaria vescawoodland strawberry
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: Moist woods, stream banks and sandy meadows, low to mid-elevations in the mountains
Origin: Native
Flowers: April-June
ssp. californica – Pacific strawberry, wood strawberry
Fragaria virginianablueleaf strawberry, mountain strawberry
Distribution: Distributed widely throughout Washington except in sagebrush areas; Alaska south to California, east to the Rocky Mountains.
Habitat: Open woods to gravelly meadows in the plains and lower mountains
Origin: Native
Flowers: May-August
ssp. glauca – blueleaf strawberry, broadpetal strawberry, wild strawberry
Frangula purshianabuckthorn, 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
ssp. purshiana – buckthorn, cascara
Frasera albicaulis
Distribution: East of the Cascades in Washington; British Columbia to California, east to Montana and Nevada.
Habitat: Low plains to open areas in the mountains at moderate elevations.
Origin: Native
Flowers: May-July
var. albicaulis – white-stemmed frasera
var. columbiana – Columbia frasera
Frasera fastigiataclustered frasera, Umpqua green-gentian
Distribution: In the Blue Mountains of Washington; Oregon, east to northeast Idaho.
Habitat: Moist woods and meadowlands.
Origin: Native
Flowers: May-July
Frasera speciosaelkweed, 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
Fraxinus latifoliaOregon 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
Fraxinus pennsylvanicagreen ash
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America except some West Coast states and provinces.
Habitat: Riparian zones where soil is moist but not saturated.
Origin: Introduced
Flowers: April-June
Fritillaria affinismission bells, 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
Fritillaria camschatcensisblack lily, Indian rice
Distribution: Chiefly northern Puget Sound lowlands in Washington; Kodiak Island and coastal Alaska south to Washington.
Habitat: Moist areas from near tide flats to mountain meadows.
Origin: Native
Flowers: May-July
Fritillaria pudicayellow bells, yellow fritillary, yellow missionbells
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
Fumaria muraliscommon 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
Fumaria officinaliscommon 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
Fumaria reuterifew-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