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 W:
6 genera
10 species, 3 subspecies and varieties
Show only taxa with photos
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Whipplea modestamodesty, common whipplea
Distribution: Occurring on the Olympic Peninsula in Washington; Washington to California.
Habitat: Dry, rocky, open to lightly forested areas.
Origin: Native
Flowers: April-June
Wolffia borealisnorthern watermeal
Distribution: Oregon and Idaho, and most of the United States from Kansas east and Tennesee north
Habitat: Ponds and standing water at low elevations
Origin: Native
Wolffia brasiliensisBrazilian watermeal
Distribution: Common in central and eastern United States, occasional in Washington to California, chiefly west of the Cascades
Habitat: Ponds and standing water at low elevations
Origin: Native
Wolffia columbianaColumbian watermeal
Origin: Native
Wolffiella gladiatasword bogmat, mud-midget
Origin: Introduced from eastern United States
Woodsia oreganaOregon cliff-fern, Oregon woodsia
Distribution: Alaska to California, chiefly east of the Cascade summits in Washington and Oregon
Habitat: Rock crevices, ledges and talus slopes in the mountains, and in less arid parts of the lowlands.
Origin: Native
ssp. oregana – Oregon fern, western cliff fern
Woodsia scopulinacliff-fern, woodsia
Distribution: Alaska to California, chiefly east of the Cascade summits in Washington and Oregon
Habitat: Rock crevices, ledges and talus slopes in the mountains, and in less arid parts of the lowlands.
Origin: Native
ssp. laurentiana – Laurentian cliff fern
ssp. scopulina – mountain fern, Rocky Mountain cliff fern
Woodwardia fimbriatagiant chain fern
Distribution: Occurring in lowland western Washington; southern Vancouver Island to California, also in Nevada and Arizona.
Habitat: Mixed conifer and mixed conifer-hardwood forests, always where moist such as stream banks, springs, and seepy rocky outcrops.
Origin: Native
Wyethia amplexicaulisnorthern mule's ears, smooth dwarf sunflower
Distribution: Occurring east of the Cascades crest in Washington; Washington to Nevada, east to the Rocky Mountains.
Habitat: Seasonally moist areas in sagebrush-steppe, to open areas at moderate elevations.
Origin: Native
Flowers: May-July
Wyethia angustifolianarrowleaf mule's ears, narrowleaf wyethia
Distribution: Occurring west of the Cascades crest in southwestern Washington, and east in the Columbia River Gorge; Washington to California.
Habitat: Meadows and moist, open hillsides at low elevations.
Origin: Native
Flowers: May-July