Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, and Colorado.
Habitat: Subalpine and alpine ridges, rocky slopes, talus and scree, snowmelt areas and stream banks, often in wetter sites in our more eastern mountains.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Review Group 1 in Washington (WANHP)
Pollination: Wind
[none provided]
Publication: Botany (Fortieth Parallel). 366. 1871.
Carex macloviana d'Urv. ssp. haydeniana (Olney) Roy L. Taylor & MacBryde
Carex nubicola Mack.
PNW Herbaria: Specimen records of Carex haydeniana in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Carex haydeniana checklist entry.
OregonFlora: Carex haydeniana information.
E-Flora BC: Carex haydeniana atlas page.
CalPhotos: Carex haydeniana photos.
USDA Plants: Carex haydeniana information.
