Hymenophyllum polyanthos (Smooth Filmy Fern) is a species of tree in the family filmy-ferns. They are native to Pernambuco, Pará, Paraná, Mato Grosso Do Sul, U.S. Virgin Islands, RondôNia, Amazônia, Tocantins, Distrito Federal, SãO Paulo, Acre (Brazil), Pacific Basin excluding Hawaii, Bahia, Rio Grande Do Sul, Santa Catarina, Alagoas, GoiáS, Mata Atlântica, Roraima, Amapá, Cerrado, Puerto Rico, Maranhao, Mato Grosso, Rio De Janeiro, Minas Gerais, Espirito Santo, and Ceará. They have bipinnate + pinnatifid leaves. They have alternation of generations.
EOL has data for 14 attributes, including: