Actinocephalus rigidus
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Eriocaulaceae
- genus: Actinocephalus
- species: Actinocephalus rigidus
Diamantina
Minas Gerais
Brazil
Actinocephalus rigidus
Diamantina