Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana, also in New Mexico.
Habitat: Swamps, bogs and other wet places, lowlands to moderate elevations in the mountains
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Carex amplifolia in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Carex amplifolia checklist entry.
E-Flora BC: Carex amplifolia atlas page.
CalPhotos: Carex amplifolia photos.
USDA Plants: Carex amplifolia information.