Pteridrys Explained

Pteridrys is a genus of ferns in the family Tectariaceae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I).

Taxonomy

The genus Pteridrys was erected by Carl Christensen and Ren-Chang Ching in 1934. The type species is Pteridrys syrmatica, transferred from Aspidium syrmaticum.

A 2016 molecular phylogenetic showed Pteridrys to be related to two new genera, Draconopteris and Malaifilix, separate from the clade containing Tectaria.

Species

, the Checklist of Ferns and Lycophytes of the World recognized the following species:

• Pteridrys acutissima Ching ex C.Chr. & Ching
• Pteridrys australis Ching ex C.Chr. & Ching
• Pteridrys cnemidaria (Christ) C.Chr. et. Ching
• Pteridrys confertiloba Holttum
• Pteridrys costularis Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou
• Pteridrys dongshiyongii Li Bing Zhang & X.M.Zhou
• Pteridrys dorsifixa Li Bing Zhang & X.M.Zhou
• Pteridrys hanoiensis Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou
• Pteridrys lofouensis (Christ) C.Chr. & Ching
• Pteridrys microthecia (Fée) C.Chr. & Ching
• Pteridrys olivacea (Rosenst.) Copel.
• Pteridrys syrmatica (Willd.) C.Chr. & Ching
• Pteridrys vietnamensis Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou