Pisonia ambigua
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Nyctaginaceae
- genus: Pisonia
- species: Pisonia ambigua
Mairana
Santa Cruz
Bolivia
Novo Hamburgo
Rio Grande do Sul- Rio do Sul
- São Francisco do Sul
Santa Catarina
Brazil