''Pteridrys'' is a genus of

fern A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except t ...

s in the family Tectariaceae, according to the

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

classification of 2016 (PPG I).

Taxonomy

The genus ''Pteridrys'' was erected by Carl Christensen and Ren-Chang Ching in 1934. The

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...

is ''

Pteridrys syrmatica ''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 ...

'', transferred from ''Aspidium syrmaticum''. A 2016

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 ...

showed ''Pteridrys'' to be related to two new genera, ''

Draconopteris ''Draconopteris'' is a genus of ferns in the family Tectariaceae, with a single species ''Draconopteris draconoptera'', according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Taxonomy The genus ''Draconopteris'' was e ...

'' and ''

Malaifilix ''Malaifilix'' is a genus of ferns in the family Tectariaceae, with a single species ''Malaifilix grandidentata'', according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Taxonomy The genus ''Malaifilix'' was erected i ...

'', separate from the clade containing ''

Tectaria ''Tectaria'' is a genus of fern in the family Tectariaceae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Halberd fern is a common name for species in this genus. Species , the ''Checklist of Ferns and Lycophyt ...

''.

Species

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

Pteridrys acutissima ''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 ...

'' Ching ex C.Chr. & Ching *''

Pteridrys australis ''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 ...

'' Ching ex C.Chr. & Ching *''

Pteridrys cnemidaria ''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 ...

'' (Christ) C.Chr. et. Ching *''

Pteridrys confertiloba ''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 Frederik Albert Christensen, Carl Christensen a ...

'' Holttum *''

Pteridrys costularis ''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 ...

'' Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou *''

Pteridrys dongshiyongii ''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 ...

'' Li Bing Zhang & X.M.Zhou *''

Pteridrys dorsifixa ''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 ...

'' Li Bing Zhang & X.M.Zhou *''

Pteridrys hanoiensis ''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 ...

'' Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou *''

Pteridrys lofouensis ''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 ...

'' (Christ) C.Chr. & Ching *''

Pteridrys microthecia ''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 ...

'' (Fée) C.Chr. & Ching *''

Pteridrys olivacea ''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 ...

'' (Rosenst.) Copel. *''

'' (Willd.) C.Chr. & Ching *''

Pteridrys vietnamensis ''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 ...

'' Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou

References

Tectariaceae Fern genera Taxa named by Ren-Chang Ching {{Polypodiales-stub