Carex hystericina
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex hystericina
Mississauga- Richmond Hill
Ontario
Canada
Brookmont- Lutherville
- Mays Chapel
- Timonium
Maryland- Washington, D. C.
Washington, D.C.
United States