Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America; circumboreal.
Habitat: Shores, peatlands, wet meadows, springs, wet talus, often where limy.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Threatened in Washington (WANHP)
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Carex capillaris in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Carex capillaris checklist entry
OregonFlora: Carex capillaris information
E-Flora BC: Carex capillaris atlas page
CalPhotos: Carex capillaris photos