Polypogon
beard-grass, polypogon
4 species
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Polypogon interruptus – ditch rabbit's-foot grass
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, also in Idaho, Texas, and eastern North America.
Habitat: Roadsides, fields, wastelots, and other disturbed areas.
Origin: Introduced from South America
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, also in Idaho, Texas, and eastern North America.
Habitat: Roadsides, fields, wastelots, and other disturbed areas.
Origin: Introduced from South America
Flowers: June-August
Growth Duration: Perennial
Polypogon maritimus – Mediterranean rabbit's-foot grass
Distribution: Known from east of the Cascades crest in Klickitat County in Washington; Washington to California, east to Nevada; also in southeastern North America.
Habitat: Shoreline of ponds, lakes and rivers.
Origin: Introduced from Eurasia
Flowers: June-August
Growth Duration: Annual
Distribution: Known from east of the Cascades crest in Klickitat County in Washington; Washington to California, east to Nevada; also in southeastern North America.
Habitat: Shoreline of ponds, lakes and rivers.
Origin: Introduced from Eurasia
Flowers: June-August
Growth Duration: Annual
Polypogon monspeliensis – annual rabbit's-foot grass
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Wet to dry waste areas, including vernal pools where the water is brackish.
Origin: Introduced from Eurasia
Flowers: May-August
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Wet to dry waste areas, including vernal pools where the water is brackish.
Origin: Introduced from Eurasia
Flowers: May-August
Growth Duration: Annual
Polypogon viridis – beardless rabbit's-foot grass
Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east to Texas; also in the northeastern U.S.
Habitat: Shores of streams and rivers, dredge spoils.
Origin: Introduced from Eurasia
Flowers: June-September
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east to Texas; also in the northeastern U.S.
Habitat: Shores of streams and rivers, dredge spoils.
Origin: Introduced from Eurasia
Flowers: June-September
Growth Duration: Perennial
