Calamagrostis rupestris
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Calamagrostis
- species: Calamagrostis rupestris
Palmas
Paraná- Uruguaiana
Rio Grande do Sul- Itatiaia
Rio de Janeiro
Brazil