Actinocephalus polyanthus
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Eriocaulaceae
- genus: Actinocephalus
- species: Actinocephalus polyanthus
Passa Quatro
Minas Gerais
Campo Largo
Ponta Grossa
Paraná
Torres
Rio Grande do Sul
Lages
Santa Catarina
Brazil