Aspleniineae

Aspleniineae is a suborder of ferns in the order Polypodiales. It is equivalent to the clade eupolypods II in earlier systems;[1][2] it is also treated as a single very broadly defined family Aspleniaceae.[3] The suborder generally corresponds with the order Blechnales as described by J. L. Reveal in 1993.[4] Aspleniineae includes some important ferns, including Onoclea sensibilis, the sensitive fern, which grows as a virtual weed throughout much of its temperate North American range, and ferns of the genus Thelypteris, a genus that has shown remarkable speciation. It also includes one of the more common horticultural ferns, Matteuccia struthiopteris, the ostrich fern.

Aspleniineae
Asplenium adiantum-nigrum, the black spleenwort
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
H.Schneid. & C.J.Rothf.[1]
Families[1]
Synonyms

Blechnales Pic.Serm. ex Reveal

Taxonomy

In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the group is treated as the suborder Aspleniinae, and divided into 11 families.[1] Alternatively, it may be treated as a single, very broadly circumscribed family Aspleniaceae sensu lato, which is then divided into subfamilies.[3] The relationship between the two approaches is shown in the table below.

PPG I[1]Christenhusz & Chase (2014)[3]
Suborder Aspleniineae H.Schneid. & C.J.RothfFamily Aspleniaceae Newman
  Family Cystopteridaceae Shmakov  Subfamily Cystopteridoideae Ching & Z.R.Wang
  Family Rhachidosoraceae X.C.Zhang  Subfamily Rhachidosoroideae M.L.Wang & Y.T.Hsieh
  Family Diplaziopsidaceae X.C.Zhang & Christenh.  Subfamily Diplaziopsidoideae Christenh.
  Family Desmophlebiaceae Mynssen  (The only genus was described after 2014.)
  Family Hemidictyaceae Christenh. & H.Schneid.  Subfamily Asplenioideae Link
  Family Aspleniaceae Newman
  Family Woodsiaceae Herter  Subfamily Woodsioideae Schmakov
  Family Onocleaceae Pic.Serm.  Subfamily Blechnoideae Hook.
  Family Blechnaceae Newman
  Family Athyriaceae Alston  Subfamily Athyrioideae B.K.Nayar
  Family Thelypteridaceae Ching ex Pic.Serm.  Subfamily Thelypteridoideae C.F.Reed

Phylogenic relationships

The following diagram shows a likely phylogenic relationship between the families of Aspleniineae (as eupolypods II), based on Lehtonen (2011),[5] and Rothfels & al. (2012).[6]

Aspleniineae (eupolypods II)
 

Cystopteridaceae

 
 
 
 

Rhachidosoraceae

 
 
 

Diplaziopsidaceae

 
 
 

Aspleniaceae

 
 

Hemidictyaceae

 
 
 
 
 
 

Thelypteridaceae

 
 
 

Woodsiaceae

 
 
 
 

Onocleaceae

 
 

Blechnaceae

 
 
 

Athyriaceae

 
 
 
 
 
 
gollark: Sequences of them, I mean. That's one word truncated.
gollark: Or sequences of random dictionary words.
gollark: How about `qhjdndjwiqkdfbehqrfpfndbwbqvsjsk` and the like?
gollark: *does not understand above text*
gollark: If a site is accidentally doing stuff which it shouldn't, then it can probably be temporarily turned off by blocking its key (or IP, anyway); if it's someone deliberately doing stuff which they shouldn't, it probably won't even need the API.

References
  1. 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.
  2. 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. 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. Rodolfo Emilio Giuseppe Pichi-Sermolli ex J. L. Reveal in Phytologia 74:175. 1993.
  5. Samuli Lehtonen (2011). "Towards Resolving the Complete Fern Tree of Life" (PDF). PLoS ONE. 6 (10): e24851. doi:10.1371/journal.pone.0024851. PMC 3192703. PMID 22022365.
  6. 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.


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