fragile filmy fern
- kingdom: Plantae
- phylum: Tracheophyta
- class: Polypodiopsida
- order: Hymenophyllales
- family: Hymenophyllaceae
- genus: Hymenophyllum
- species: Hymenophyllum fragile
Guaratuba
Paraná- Teresópolis
Rio de Janeiro
Brazil
Tucurrique
Cartago
Costa Rica