Polytaenium is a genus of ferns in the subfamily Vittarioideae of the family Pteridaceae.

[3] Species are native to Mexico and Southern America.

[1] As of December 2019[update], the Checklist of Ferns and Lycophytes of the World recognized the following species:[2] P. citrifolium (L.) Schuettp.

Alston P. chlorosporum (Mickel & Beitel) E.H.Crane P. feei (W.Schaffn.

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