flatleaf rush
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Magnoliales
- family: Juncaceae
- genus: Juncus
- species: Juncus polycephalus
Dauphin Island- Mobile
- Troy
Alabama- Apalachicola
- Jacksonville
Florida- Remerton
Georgia- New Orleans
- Opelousas
Louisiana- Emmitsburg
Maryland- Gulf Hills
- Ocean Springs
Mississippi- Green Island
- Troy
- Watervliet
New York
United States