thinleaf cottonsedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Eriophorum
- species: Eriophorum viridicarinatum
- Hinton
Alberta- Burns Lake
- Prince George
British Columbia- La Broquerie
Manitoba- Angus
Ontario- Prince Albert
Saskatchewan
Canada- Kalifornsky
Alaska
United States