Origin: Native
Conservation Status: Not of concern
[none provided]
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, and eastern North America.
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, and eastern North America.
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, and eastern North America.
Occurring in the Columbia River Gorge in Washington; south-central Washington to adjacent Oregon.
Occurring west of the Cascades crest in Washington along the coast; Alaska to California.
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.
Occurring east of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana and Colorado
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast.
Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast.
Occurring in the Olympic Mountains and Cascade Range in Washington. Washington to northern Oregon.
Occurring chiefly east of the Cascades crest in central Washington; central Washington to southern Oregon, east to Idaho and Montana.PNW Herbaria: Specimen records of Calamagrostis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Calamagrostis checklist entry
OregonFlora: Calamagrostis information
E-Flora BC: Calamagrostis atlas page
CalPhotos: Calamagrostis photos