Leptochilus (plant)

Leptochilus is a fern genus in the family Polypodiaceae, subfamily Microsoroideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I).
Taxonomy.
A molecular phylogenetic study of the subfamily Microsoroideae in 2019 suggested that the genus was monophyletic, being sister to "Microsorum", together forming one of the three main clades in the subfamily:
Species.
The Pteridophyte Phylogeny Group classification of 2016 (PPG I) suggests that the genus contains about 10 species. , the "Checklist of Ferns and Lycophytes of the World" noted that the species circumscription was "fairly controversial and fluctuating", and accepted 34 species and hybrids: