Distribution: Occurring east of the Cascades crest in Okanogan County in Washington; Alaska to northern Washington, east to the Rocky Mountains, east across Canada to the Atlantic Coast; circumboreal.
Habitat: Alpine areas.
Flowers: July-August
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Juncus biglumis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Juncus biglumis checklist entry
OregonFlora: Juncus biglumis information
E-Flora BC: Juncus biglumis atlas page
CalPhotos: Juncus biglumis photos