American buckwheat vine
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Polygonaceae
- genus: Brunnichia
- species: Brunnichia ovata
Coosada- Dauphin Island
- Mobile
- Montgomery
- Prattville
- Selma
Alabama- Dardanelle
Arkansas- Arabi
- Village Saint George
- Zwolle
Louisiana
United States