Lemmaphyllum
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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".
| Lepisorus s.l. | Lemmaphyllum Lepidomicrosorium + Neocheiropteris + Neolepisorus + Tricholepidium Lepisorus s.s. Paragramma (as Lepisorus longifolius) |
| Lemmaphyllum Lepidomicrosorium + Neocheiropteris + Neolepisorus + Tricholepidium | |
| Lemmaphyllum | |
| Lepidomicrosorium + Neocheiropteris + Neolepisorus + Tricholepidium | |
| Lepisorus s.s. Paragramma (as Lepisorus longifolius) | |
| Lepisorus s.s. | |
| Paragramma (as Lepisorus longifolius) | |
Species
As of February 2020[update], 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.