Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Conservation Status: Not of concern
PNW Herbaria: Specimen records of Carex hassei in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Carex hassei checklist entry.
E-Flora BC: Carex hassei atlas page.
CalPhotos: Carex hassei photos.
USDA Plants: Carex hassei information.