Distribution: Occurring east of the Cascades crest in northeastern Washington; Alberta to Washington, east across the northern half of North America to the Atlantic Coast.
Habitat: Wetland, swamps, and marshes.
Flowers: July-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Review Group 1 in Washington (WANHP)
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Carex lacustris in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Carex lacustris checklist entry.
OregonFlora: Carex lacustris information.
E-Flora BC: Carex lacustris atlas page.
CalPhotos: Carex lacustris photos.
USDA Plants: Carex lacustris information.