giant beaksedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Rhynchospora
- species: Rhynchospora gigantea
Maraú
Bahia- Alta Floresta
Mato Grosso- Arraial do Cabo
Rio de Janeiro
Brazil
Mana
Guyane
French Guiana