Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, and Colorado.
Habitat: Springs, mesic slopes, shores, riparian forests, and ditches.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Carex infirminervia in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Carex infirminervia checklist entry.
OregonFlora: Carex infirminervia information.
E-Flora BC: Carex infirminervia atlas page.
CalPhotos: Carex infirminervia photos.
USDA Plants: Carex infirminervia information.