Hydrochorea marginata
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Fabaceae
- genus: Hydrochorea
- species: Hydrochorea marginata
- Barcelos
- Humaitá
- São Gabriel da Cachoeira
Amazonas
Brazil- Puerto Ayacucho
- San Fernando de Atabapo
Amazonas
Venezuela