scrabrous black sedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex atratiformis
Fort Nelson
British ColumbiaNorman Wells
Northwest TerritoriesCap-Chat
Gaspé
Rivière-du-Loup
QuebecDawson City
Haines Junction
Yukon
CanadaCripple Creek
Georgetown
Colorado
United States