slenderbeak sedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex athrostachya
- Fort Saskatchewan
Alberta- Kimberley
- Nelson
- Prince George
- Vanderhoof
- Victoria
British Columbia
Canada- Juneau
Alaska- Boulder
Colorado- Colfax
- Pullman
- Selah
- Spokane
- Sunnyslope
- West Wenatchee
- White Salmon
Washington- Green River
- Laramie
- Saratoga
Wyoming
United States