roundleaf toothcup
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Myrtales
- family: Lythraceae
- genus: Rotala
- species: Rotala rotundifolia
Khowai
Tripura
India
Bergshamra- Djursholm
Stockholm
Sweden
Tuscaloosa
Alabama
United States