Athyrioideae

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Athyrioideae
Illustration Athyrium filix-femina0.jpg
Athyrium filix-femina
Scientific classification
Kingdom: Plantae
(unranked): Polypodiophyta
Subclass: Polypodiidae
Order: Polypodiales
Family: Aspleniaceae
Subfamily: Athyrioideae
B.K.Nayar
Type genus
Athyrium
Genera

See text

Athyrioideae is a subfamily of terrestrial ferns, with a cosmopolitan distribution.

Taxonomy[edit]

Earlier classifications[edit]

Previously treated as a separate family, Athyriaceae Alston,[1][2] in 2014 Christenhusz and Chase submerged it as subfamily Athyrioideae within family Aspleniaceae.[3]

Originally considered as a member of the Eupolypods II clade, the Athyriaceae was related to other families in the clade as in this cladogram:[4][5]

eupolypods II

Cystopteridaceae





Rhachidosoraceae




Diplaziopsidaceae




Aspleniaceae



Hemidictyaceae







Thelypteridaceae




Woodsiaceae





Onocleaceae



Blechnaceae




Athyriaceae







The Athyriaceae in the past included Cystopteris and Gymnocarpium, now part of Cystopteridaceae. Inversely, this family has by some been subsumed in the family Woodsiaceae, but a Woodsiaceae defined in this way may be paraphyletic if it omits the Onocleaceae and Blechnaceae (as of 2006, the evidence was not clear).[2]

Christenhusz and Chase classification[edit]

Athyrioideae is placed within the Aspleniaceae as follows:[3]

Aspleniaceae

Cystopteridoideae (Acystopteris, Cystoathyrium, Cystopteris, Gymnocarpium)





Rhachidosoroideae (Rhachidosorus)




Diplaziopsidoideae (Diplaziopsis, Homalosorus)



Asplenioideae (Asplenium, Hemidictyum, Hymenasplenium)






Thelypteridoideae (Macrothelypteris, Phegopteris, Thelypteris)




Woodsioideae (Woodsia)




Blechnoideae (Blechnum, Onoclea, Stenochlaena, Woodwardia)



Athyrioideae (Athyrium, Cornopteris, Deparia, Diplazium)







Subdivision[edit]

Athyrioideae contain the following five genera.[1]

with the following phylogenetic relationship: [6][7]

Athyriaceae




Deparia









Diplazium







Anisocampium





Cornopteris



Athyrium






References[edit]

  1. ^ a b Maarten J. M. Christenhusz, Xian-Chun Zhang & Harald Schneider (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa. 19: 7–54. 
  2. ^ a b Alan R. Smith; Kathleen M. Pryer; Eric Schuettpelz; Petra Korall; Harald Schneider; Paul G. Wolf (2006). "A classification for extant ferns" (PDF). Taxon. 55 (3): 705–731. doi:10.2307/25065646. Archived from the original (PDF) on 2008-02-26. 
  3. ^ a b Christenhusz, Maarten J.M. & Chase, Mark W. (2014). "Trends and concepts in fern classification". Annals of Botany. 113 (9): 571–594. PMC 3936591Freely accessible. PMID 24532607. doi:10.1093/aob/mct299. 
  4. ^ Samuli Lehtonen (2011). "Towards Resolving the Complete Fern Tree of Life" (PDF). PLoS ONE. 6 (10): e24851. PMC 3192703Freely accessible. PMID 22022365. doi:10.1371/journal.pone.0024851. 
  5. ^ Carl J. Rothfels; Anders Larsson; Li-Yaung Kuo; Petra Korall; Wen- Liang Chiou; Kathleen M. Pryer (2012). "Overcoming Deep Roots, Fast Rates, and Short Internodes to Resolve the Ancient Rapid Radiation of Eupolypod II Ferns". Systematic Biology. 61 (1): 70. PMID 22223449. doi:10.1093/sysbio/sys001. 
  6. ^ Eric Schuettpelz & Kathleen M. Pryer (2007). "Fern phylogeny inferred from 400 leptosporangiate species and three plastid genes" (PDF). Taxon. 56 (4): 1037–1050. doi:10.2307/25065903. 
  7. ^ Yea-Chen Liu, Wen-Liang Chiou & Masahiro Kato (2011). "Molecular phylogeny and taxonomy of the fern genus Anisocampium (Athyriaceae)" (PDF). Taxon. 60 (3): 824–830.