''Polytaenium'' 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 subfamily

Vittarioideae Vittarioideae is a subfamily of the fern family Pteridaceae, in the order Polypodiales. The subfamily includes the previous families Adiantaceae (adiantoids or maidenhair ferns) and Vittariaceae (vittarioids or shoestring ferns). Description The ...

of the family

Pteridaceae Pteridaceae is a family of ferns in the order Polypodiales, including some 1150 known species in ca 45 genera (depending on taxonomic opinions), divided over five subfamilies. The family includes four groups of genera that are sometimes recogni ...

. Species are native to

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

and

Southern America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the south ...

Species

, the ''Checklist of Ferns and Lycophytes of the World'' recognized the following species: *'' Polytaenium anetioides'' Benedict *'' Polytaenium cajenense'' (Desv.) Benedict *'' Polytaenium chlorosporum'' (Mickel & Beitel) E.H.Crane *'' Polytaenium citrifolium'' (L.) Schuettp., syn. ''Anetium citrifolium'' (L.) Splitg. *''

Polytaenium dussianum ''Polytaenium'' is a genus of ferns in the subfamily Vittarioideae of the family Pteridaceae. Species are native to Mexico and Southern America. Species , the ''Checklist of Ferns and Lycophytes of the World'' recognized the following species: ...

'' Benedict *'' Polytaenium feei'' (W.Schaffn. ex Fée) Maxon *'' Polytaenium guayanense'' (Hieron.) Alston *'' Polytaenium intramarginale'' (Baker ex Jenman) Alston *'' Polytaenium jenmanii'' Benedict *'' Polytaenium lineatum'' J.Sm. *'' Polytaenium ophioglossoides'' (Lellinger) S.Linds. *'' Polytaenium quadriseriatum'' Benedict *''

Polytaenium urbani ''Polytaenium'' is a genus of ferns in the subfamily Vittarioideae of the family Pteridaceae. Species are native to Mexico and Southern America South America is a continent entirely in the Western Hemisphere and mostly in the Southern ...

'' (Brause) Alain

References

Pteridaceae Fern genera {{Pteridaceae-stub