Family Code: HYMENO Genus Code: DIDYM Genus CN: Filmy Fern Genus Summary: A genus of 30-40 species, primarily tropical. All five of our species belong to subgenus Didymoglossum (Ebihara et al. 2006). Genus Identification: Genus References: Wessels Boer (1962)=Y; Ebihara et al. (2006)=Z; Ebihara et al. (2007); Iwatsuki in Kramer & Green (1990); Morton (1968); Dubuisson et al. (2003). Last Updated: 2019-12-01 Publish: 1