threeleaf goldback fern
- kingdom: Plantae
- phylum: Tracheophyta
- class: Polypodiopsida
- order: Polypodiales
- family: Pteridaceae
- genus: Pityrogramma
- species: Pityrogramma trifoliata
- Argentina
Brasília
Federal DistrictItuiutaba
Mariana
São Sebastião do Paraíso
Viçosa
Minas GeraisGuarapuava
ParanáCabo Frio
Rio de Janeiro
BrazilAranzazu
Caldas
ColombiaTucurrique
Cartago
Costa RicaAntiguo Cuscatlán
La Libertad
El SalvadorLambaré
Villa Elisa
CentralAcahay
Paraguarí
ParaguayAbancay
San Pedro De Cachora
Tamburco
Apurímac
Peru