Carex retroflexa
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex retroflexa
Brookmont- Cabin John
Maryland- Alexandria
- Belle Haven
Virginia- Washington, D. C.
Washington, D.C.
United States