Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, and east across the northern Great Plains to the Atlantic Coast.
Habitat: Moist subalpine meadows and stream banks, often in partial shade.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Calamagrostis purpurascens in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Calamagrostis purpurascens checklist entry.
OregonFlora: Calamagrostis purpurascens information.
E-Flora BC: Calamagrostis purpurascens atlas page.
CalPhotos: Calamagrostis purpurascens photos.
USDA Plants: Calamagrostis purpurascens information.