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 X:
2 genera
3 species, 0 subspecies and varieties
3 species, 0 subspecies and varieties
Show only taxa with photos
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Xanthium orientale – cocklebur, common cocklebur
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast
Habitat: Wet meadows, shorelines, and disturbed open areas where moist.
Origin: Native
Flowers: July-October
Growth Duration: Annual
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast
Habitat: Wet meadows, shorelines, and disturbed open areas where moist.
Origin: Native
Flowers: July-October
Growth Duration: Annual
Xanthium spinosum – spiny clotbur, spiny cocklebur
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Fields, damp or seasonally wet, alkaline soils, wastelots and other disturbed, open areas.
Origin: Introduced from South America (although treated as native in CA by Jeps. Man.)
Flowers: July-October
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Fields, damp or seasonally wet, alkaline soils, wastelots and other disturbed, open areas.
Origin: Introduced from South America (although treated as native in CA by Jeps. Man.)
Flowers: July-October
Growth Duration: Annual
Xerophyllum tenax – beargrass, western turkeybeard
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the northern Rocky Mountains.
Habitat: Open woods and clearings, from near sea level on the Olympic Peninsula to high elevations in the Rockies.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the northern Rocky Mountains.
Habitat: Open woods and clearings, from near sea level on the Olympic Peninsula to high elevations in the Rockies.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
