Back's sedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex backii
Mayerthorpe
Alberta- Belleville
- Guelph
- Ottawa
Ontario
Canada
Valentine
Nebraska- Belleville
- North Arlington
New Jersey- Gouverneur
- Herkimer
- Mohawk
- Watertown
New York
United States