Lemmaphyllum is a genus of ferns in the family Polypodiaceae, subfamily Microsoroideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I).
Taxonomy Lemmaphyllum was first described by Carl Presl in 1851. A molecular phylogenetic study in 2019 suggested that Lemmaphyllum was one of a group of closely related genera in the subfamily Microsoroideae; a group the authors termed "Lepisorus sensu lato".
Species , the Checklist of Ferns and Lycophytes of the World recognized the following species: Lemmaphyllum carnosum (Wall. ex J.Sm.) C.Presl Lemmaphyllum diversum (Rosenst.) Tagawa Lemmaphyllum drymoglossoides (Baker) Ching Lemmaphyllum microphyllum C.Presl Lemmaphyllum rostratum (Bedd.) Tagawa Lemmaphyllum squamatum (A.R.Sm. & X.C.Zhang) Li Wang
Plants of the World Online also accepted Lemmaphyllum accedens (Blume) Donk, which the Checklist of Ferns and Lycophytes of the World placed in Lepisorus.
References