Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Nevada, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Snowmelt meadows, fellfields, dry ridges, and shores, often limy, lowland to alpine.
Flowers: June-August
Origin: Native
Conservation Status: Sensitive in Washington (WANHP)
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Carex scirpoidea ssp. scirpoidea in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Carex scirpoidea ssp. scirpoidea checklist entry
OregonFlora: Carex scirpoidea ssp. scirpoidea information
E-Flora BC: Carex scirpoidea ssp. scirpoidea atlas page
CalPhotos: Carex scirpoidea ssp. scirpoidea photos