Cystopteridaceae

Cystopteridaceae
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Cystopteridaceae
(Payer) Schmakov[1]
Genera[2][1]
Synonyms[3]

Cystopteridoideae Ching & Z.R.Wang

Cystopteridaceae is a family of ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Aspleniineae of the order Polypodiales, and includes three genera.[2] Alternatively, it may be treated as the subfamily Cystopteridoideae of a very broadly defined family Aspleniaceae.[3]

Cystopteridaceae are small or medium-sized ferns in forests and crevices.[4] They generally have thin laminae, and small, round, naked sori.

Genera

Three genera are accepted in the PPG I classification, and by the Checklist of Ferns and Lycophytes of the World as of August 2022. One hybrid genus also exists:[2][1]

Cystopteris chinensis has been placed in a separate genus, Cystoathyrium, but the genus is not accepted by recent sources.[5][6]

Phylogenetic relationships

Gymnocarpium and Cystopteris have been found to be sister to the remaining Aspleniineae.[4]

External phylogeny[7][8] Internal phylogeny[9][10]
Aspleniineae (eupolypods II)

References

  1. ^ a b c Hassler, Michael (21 August 2022), "Cystopteridaceae", World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World, 14.1, retrieved 2022-08-27
  2. ^ a b c 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.
  3. ^ a b Christenhusz, Maarten J.M. & Chase, Mark W. (2014). "Trends and concepts in fern classification". Annals of Botany. 113 (9): 571–594. doi:10.1093/aob/mct299. PMC 3936591. PMID 24532607.
  4. ^ 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. doi:10.11646/phytotaxa.19.1.2.
  5. ^ Hassler, Michael (21 August 2022), "Cystopteris chinensis", World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World, 14.1, retrieved 2022-08-27
  6. ^ "Cystopteris chinensis Ching". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-11-27.
  7. ^ Samuli Lehtonen (2011). "Towards Resolving the Complete Fern Tree of Life". PLOS ONE. 6 (10): e24851. Bibcode:2011PLoSO...624851L. doi:10.1371/journal.pone.0024851. PMC 3192703. PMID 22022365.
  8. ^ 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): 490–509. doi:10.1093/sysbio/sys001. PMID 22223449.
  9. ^ 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.
  10. ^ "Tree viewer: interactive visualization of FTOL". FTOL v1.3.0. 2022. Retrieved 12 December 2022.


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