Polytaenium is a genus of ferns in the subfamily Vittarioideae of the family Pteridaceae. Species are native to Mexico and Southern America.
Phylogeny , the Checklist of Ferns and Lycophytes of the World recognized the following species: Phylogeny of Polytaenium
P. anetioides Benedict P. dussianum Benedict P. intramarginale (Baker ex Jenman) Alston P. jenmanii Benedict P. ophioglossoides (Lellinger) S.Linds. P. quadriseriatum Benedict P. urbani (Brause) Alain
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