murain grass
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Ischaemum
- species: Ischaemum rugosum
Mana- Saint-Laurent-du-Maroni
Guyane
French Guiana
Beyla
Nzerekore
Guinea
Georgetown
Demerara-Mahaica
Guyana
Kambia
Northern Province
Sierra Leone
Albina
Marowijne- Nieuw Nickerie
Nickerie
Suriname