Origin: Native
Conservation Status: Not of concern
[none provided]
Occurring west of the Cascades crest in Washington, where known only from Jefferson and Whatcom Counties; British Columbia to Washington, east across the northern half of North America to the Atlantic Coast.
Ocurring chiefly west of the Cascades crest in Washington; southwestern British Columbia to California, east to Idaho and Montana; native from central North America to the Atlantic Coast.
Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east in Canada and northern United States to New England.
Occurring east of the Cascades crest in Washington; southern British Columbia to Oregon, east to the Great Plains, Great Lakes region, and northeastern U.S.PNW Herbaria: Specimen records of Scirpus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Scirpus checklist entry
OregonFlora: Scirpus information
E-Flora BC: Scirpus atlas page
CalPhotos: Scirpus photos