Aristida riparia
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Aristida
- species: Aristida riparia
Barreiras
BahiaBrasília
Federal DistrictCristalina
GoiásItirapina
Pedregulho
São Paulo
BrazilCiudad Bolívar
Bolívar
Venezuela