Dichanthelium
perennial panicgrass
2 species
2 subspecies and varieties
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Dichanthelium acuminatumhairy perennial panicgrass
Distribution: Southern British Columbia south along the coast to California; east of the Cascades mainly along water courses or around springs in the mountains, east to Montana and Wyoming.
Habitat: Rocky or sandy river banks or lake margins to open woods, marshy areas or dry prairies, from sea level to high elevation in the mountains.
Origin: Native
Flowers: June-August
ssp. fasciculatum – hairy panicgrass
Dichanthelium oligosanthesScribner's perennial panicgrass
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south on both sides of the Cascades to northern California, east to Idaho, Montana and Utah, also in eastern North America.
Habitat: Dry prairies or rocky areas to sandy stream banks.
Origin: Native
Flowers: May-July
ssp. scribnerianum – Scribner's panicgrass witchgrass