Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; southwestern British Columbia to California, disjunct in northern Idaho.
Habitat: Boggy areas and wet woods, low to middle elevations in the mountains.
Flowers: May-June
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Carex hendersonii in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Carex hendersonii checklist entry
OregonFlora: Carex hendersonii information
E-Flora BC: Carex hendersonii atlas page
CalPhotos: Carex hendersonii photos