''Lemmaphyllum'' is a genus of

fern The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissue ...

s in the family

Polypodiaceae Polypodiaceae is a Family (biology), family of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family includes around 65 genus, genera and an estimated 1,650 species and is placed in the order Polypodiales, suborder ...

, subfamily

Microsoroideae Microsoroideae is a subfamily in the fern family Polypodiaceae in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The subfamily is also treated as the tribe Microsoreae within a very broadly defined family Polypodiaceae ''se ...

, according to the

Pteridophyte Phylogeny Group The Pteridophyte Phylogeny Group (PPG) is an informal international group of systematic botanists who collaborate to establish on the classification of pteridophytes ( lycophytes and ferns) that reflects knowledge about plant relationships discove ...

classification of 2016 (PPG I).

Taxonomy

''Lemmaphyllum'' was first described by

Carl Presl Carl Borivoj Presl (; 17 February 1794 – 2 October 1852) was a Czechs, Czech botanist. Biography Presl lived his entire life in Prague, and was a professor of botany at the Charles University in Prague, University of Prague (1833–52).

in 1851. A

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

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 ''Sensu'' is a Latin word meaning "in the sense of". It is used in a number of fields including biology, geology, linguistics, semiotics, and law. Commonly it refers to how strictly or loosely an expression is used in describing any particular co ...

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 Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...

'' also accepted ''Lemmaphyllum accedens'' (Blume) Donk, which the ''Checklist of Ferns and Lycophytes of the World'' placed in '' Lepisorus''.

References

Polypodiaceae Fern genera {{Polypodiaceae-stub