Woodsiaceae

Cliff fern
Woodsia ilvensis
Scientific classification
Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida/Pteridopsida
(disputed)
Order: Polypodiales
Suborder: Aspleniineae
Family: Woodsiaceae
Herter
Genera
  • Woodsia
  • Cheilanthopsis
  • Hymenocystis

The Woodsiaceae or cliff ferns is a family of ferns in the Eupolypods II clade of the order Polypodiales, in the class Polypodiopsida.[1] It contains the three genera Cheilanthopsis, Hymenocystis, and Woodsia. However, the first two are very similar to Woodsia and may be merged into it at some point.[2]

Phylogenic relationships

Woodsiaceae formerly included the members of the families Athyriaceae and Diplaziopsidaceae, but analysis has consistently shown that they should be treated as separate families.[2] The following diagram for the eupolypods II, based on Lehtonen, 2011,[3] and Rothfels & al., 2012,[4] shows a likely phylogenic relationship between the Woodsiaceae and the other families of the eupolypods II clade.

eupolypods II


Cystopteridaceae



Rhachidosoraceae


Diplaziopsidaceae


Aspleniaceae

Hemidictyaceae


Thelypteridaceae


Woodsiaceae



Onocleaceae

Blechnaceae

Athyriaceae







References

  1. ↑ 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.
  2. 1 2 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.
  3. ↑ Samuli Lehtonen (2011). "Towards Resolving the Complete Fern Tree of Life" (PDF). PLoS ONE. 6 (10): e24851. PMC 3192703 Freely accessible. PMID 22022365. doi:10.1371/journal.pone.0024851.
  4. ↑ 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.


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