Appalachian mountain-mint
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Lamiales
- family: Lamiaceae
- genus: Pycnanthemum
- species: Pycnanthemum flexuosum
- Cairo
Georgia- Cabin John
Maryland- Fairfax
- Mount Vernon
- Woodlawn
Virginia
United States