Tropical pickerel-weed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Commelinales
- family: Pontederiaceae
- genus: Pontederia
- species: Pontederia rotundifolia
Santa Inês
Maranhão
Brazil
Los Chiles
Alajuela- San Pablo
Heredia- San Juan
San José
Costa Rica
Antiguo Cuscatlán- Nuevo Cuscatlán
La Libertad
El Salvador
La Guama
Cortés
Honduras