savannah hairgrass
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Muhlenbergia
- species: Muhlenbergia expansa
Mobile
Alabama- Apalachicola
- Baldwin
- Jacksonville
Florida- Morgan
Georgia- Medford
Massachusetts- Seagate
North Carolina- Aiken
South Carolina
United States