Ludwigia tomentosa
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Myrtales
- family: Onagraceae
- genus: Ludwigia
- species: Ludwigia tomentosa
Barreiras
Bahia- Brasília
Federal District- Aragarças
Goiás- Barra do Garças
Mato Grosso
Brazil