Tropical pickerel-weed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Commelinales
- family: Pontederiaceae
- genus: Pontederia
- species: Pontederia rotundifolia
Santa Inês
Maranhão
BrazilLos Chiles
AlajuelaSan Pablo
HerediaSan Juan
San José
Costa RicaAntiguo Cuscatlán
Nuevo Cuscatlán
La Libertad
El SalvadorLa Guama
Cortés
Honduras