Didymoglossum

Didymoglossum is a tropical genus of ferns in the family Hymenophyllaceae. It comprises more than 30 epilithic or low-epiphytic species under two subgenera. Subgenus Didymoglossum is mainly neotropical, with about 20 species, which include: Subgenus Microgonium (C.Presl) Ebihara & K.Iwats. 2006 is mainly paleotropical with more than 10 species, which include: