Article · Wikipedia archive · Last revised Jun 17, 2026

Polytaenium

Polytaenium is a genus of ferns in the subfamily Vittarioideae of the family Pteridaceae. Species are native to Mexico and Southern America.

Last revised
Jun 17, 2026
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Polytaenium
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Family: Pteridaceae
Subfamily: Vittarioideae
Genus: Polytaenium
J.Sm.1
Type species
Polytaenium lanceolatum
(Swartz) Desvaux
Species

See text.

Synonyms2
  • Antrophyum subg. Polytaenium (Desv.) Bened.
  • Anetium (Kunze) Splitg.
  • Pteridanetium Copel. (nom. superfl.)
  • Acrostichum sect. Anetium Kunze

Polytaenium is a genus of ferns in the subfamily Vittarioideae of the family Pteridaceae.3 Species are native to Mexico and Southern America.1

Phylogeny

As of December 2019, the Checklist of Ferns and Lycophytes of the World recognized the following species:2

Phylogeny of Polytaenium45

P. citrifolium (L.) Schuettp.6

P. lineatum J.Sm.

P. cajenense (Desv.) Benedict

P. guayanense (Hieron.) Alston

P. chlorosporum (Mickel & Beitel) E.H.Crane

P. feei (W.Schaffn. ex Fée) Maxon

  • 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
References

References

  1. "Polytaenium J.Sm.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-12-30
  2. Hassler, Michael & Schmitt, Bernd (November 2019), "Polytaenium", Checklist of Ferns and Lycophytes of the World, 8.11, retrieved 2019-12-30
  3. PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, doi:10.1111/jse.12229, S2CID 39980610
  4. Nitta, Joel H.; Schuettpelz, Eric; Ramírez-Barahona, Santiago; Iwasaki, Wataru; et al. (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science. 13 909768. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.
  5. "Tree viewer: interactive visualization of FTOL". FTOL v1.5.0 [GenBank release 256]. 2023. Retrieved 17 August 2023.
  6. "Polytaenium citrifolium (L.) Schuettp.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-12-30