Callianthe megapotamica
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Malvales
- family: Malvaceae
- genus: Callianthe
- species: Callianthe megapotamica
Montenegro- São Leopoldo
Rio Grande do Sul
Brazil
Antiguo Cuscatlán- Nuevo Cuscatlán
La Libertad
El Salvador
El Retiro