square-stem spike-rush
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Eleocharis
- species: Eleocharis quadrangulata
- Spanish Fort
- Stevenson
Alabama- Delmar
Delaware- Hometown
Pennsylvania- Washington, D. C.
Washington, D.C.
United States