Cystopteridaceae

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Cystopteridaceae
Cystopteris tenuis-habitat.jpg
Scientific classification
Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida
Order: Polypodiales
(unranked): Eupolypods II
Family: Cystopteridaceae
(Payer) Schmakov
Genera

Cystopteridaceae are a family of ferns in the eupolypods II clade of the order Polypodiales, class Polypodiopsida.[1] They include four genera: Acystopteris, Cystoathyrium, Cystopteris, and Gymnocarpium. Gymnocarpium and Cystopteris have been found to be sister to the remaining Eupolypods II.[2]

Cystopteridaceae are small or medium-sized ferns in forests and crevices.[2] They generally have thin laminae, and small, round, naked sori.

Phylogenic relationships[edit]

The following diagram for the eupolypods II, based on Lehtonen, 2011,[3] and Rothfels & al., 2012,[4] shows a likely phylogenic relationship between the Cystopteridaceae and the other families of the eupolypods II clade.

eupolypods II

Cystopteridaceae





Rhachidosoraceae




Diplaziopsidaceae




Aspleniaceae



Hemidictyaceae







Thelypteridaceae




Woodsiaceae





Onocleaceae



Blechnaceae




Athyriaceae








References[edit]

  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. Archived from the original (PDF) on 2008-02-26. 
  2. ^ 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. 
  3. ^ Samuli Lehtonen (2011). "Towards Resolving the Complete Fern Tree of Life" (PDF). PLoS ONE. 6 (10): e24851. doi:10.1371/journal.pone.0024851. PMC 3192703Freely accessible. PMID 22022365. 
  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. doi:10.1093/sysbio/sys001. PMID 22223449.