Pterocaulon rugosum
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Pterocaulon
- species: Pterocaulon rugosum
Brasília
Federal District- Diamantina
Minas Gerais- Jundiaí
São Paulo
Brazil