Hymenophyllum polyanthos (Smooth Filmy Fern) is a species of tree in the family filmy-ferns. They are native to Espirito Santo, Distrito Federal, U.S. Virgin Islands, SãO Paulo, Puerto Rico, Pacific Basin excluding Hawaii, Santa Catarina, Bahia, Maranhao, Amapá, Paraná, RondôNia, Tocantins, Ceará, Mato Grosso Do Sul, GoiáS, Acre (Brazil), Pará, Rio De Janeiro, Cerrado, Alagoas, Roraima, Rio Grande Do Sul, Mata AtlâNtica, Pernambuco, Minas Gerais, AmazôNia, AmazôNia, and Mato Grosso. They have bipinnate + pinnatifid leaves. They have alternation of generations.
EOL has data for 13 attributes, including: