Thelypteridaceae

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Marsh fern family
Temporal range: Cenomanian–Recent
Starr 041221-1892 Pneumatopteris sandwicensis.jpg
Cyclosorus cyatheoides
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Thelypteridaceae
Ching ex Pic.Serm. [1]
Genera

See text.

Thelypteridaceae is a family of about 900 [2] species of ferns in the order Polypodiales. [3] [4] [5] In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is placed in the suborder Aspleniineae. [3] Alternatively, the family may be submerged in a very broadly defined family Aspleniaceae as the subfamily Thelypteridoideae. [6]

Contents

The ferns are terrestrial, with the exception of a few which are lithophytes (grow on rocks). [5] The bulk of the species are tropical, although there are a number of temperate species. [5]

These ferns typically have creeping rhizomes. The fronds are simply pinnate to pinnate-pinnatifid. There is either no frond dimorphism or only mild dimorphism, either open venation or very simple anastomosing. The sori are mostly reniform in shape and have indusia, except for the Phegopteris group.

Classification

During the early and mid 1900's [7] all thelypterioid ferns were included in the genus Dryopteris because of the sorus shape. However, there are a great many differences between the groups, and these plants are now segregated in their own family. [2] [3] Genetic evidence shows that the family is clearly monophyletic. [3]

Phylogenetic relationships

The following cladogram for the suborder Aspleniineae (as eupolypods II), based on Lehtonen (2011), [8] and Rothfels & al. (2012), [9] shows a likely phylogenetic relationship between the Thelypteridaceae and the other families of the clade.

Aspleniineae  (eupolypods II)

Cystopteridaceae

Rhachidosoraceae

Diplaziopsidaceae

Aspleniaceae

Hemidictyaceae

Thelypteridaceae

Woodsiaceae

Onocleaceae

Blechnaceae

Athyriaceae

Genera

The family can be divided into two major clades, which the Pteridophyte Phylogeny Group classification of 2016 (PPG I) recognizes as two subfamilies, Phegopteridoideae and Thelypteroideae. [3] Their division into genera has been described as "highly controversial and fluctuating". [10] The family includes several complexes of species that are difficult to distinguish, and seem to represent a remarkable evolutionary radiation. Some researchers include the entire family Thelypteridaceae in the genus Thelypteris ;[ citation needed ] others divide the family into as many as 30 genera. [10] An intermediate position is to place the bulk in Thelypteris (which can then be divided into subgenera and sections corresponding to the genera of other authors) but to separate out Phegopteris and Macrothelypteris . [2] Another choice is to divide the family into a half a dozen or so genera. [5]

Phylogeny of Thelypteriaceae [11] [12]

Phegopteridoideae

Macrothelypteris

Phegopteris

Pseudophegopteris

Thelypteridoideae
Thelypterideae

Thelypteris

Amauropelteae

Coryphopteris

Metathelypteris

Amauropelta

Oreopteris

Steiropteris

Leptogrammeae

Cyclogramma

Stegnogramma

Leptogramma

Meniscieae

Steiropteris species-group 2

Goniopteridinae

Goniopteris

Menisciinae

Cyclosorus

Ampelopteris

Mesophlebion

Meniscium

Pseudocyclosorinae

Pelazoneuron

Pakau

Pelazoneuron species-group 2

Glaphyropteridopsis

Chingia

Plesioneuron

Menisciopsis

Grypothrix

Mesopteris

Plesioneuron archboldiae

Strophocaulon

Pneumatopteris

Reholttumia

Pronephrium

Sphaerostephanos

Trigonospora

Pseudocyclosorus

Amblovenatum

Sphaerostephanos elatus

Abacopteris

Christella

The Pteridophyte Phylogeny Group classification of 2016 (PPG I) accepts 30 genera: [3]

Some species of Pronephrium were split off into other genera in 2021 as a result of a phylogenetic study of the family Thelypteridaceae: [15] [16]

The extinct genus Holttumopteris from the Cenomanian aged Burmese amber has been suggested to have affinities with the family, but several important diagnostic characters are not preserved. [17]

Related Research Articles

<i>Phegopteris</i> Genus of ferns

Phegopteris is a genus of ferns in the family Thelypteridaceae, subfamily Phegopteridoideae, in the Pteridophyte Phylogeny Group classification of 2016. They are known collectively as the beech ferns. Species are native to Asia, North America and Europe.

<span class="mw-page-title-main">Dryopteridaceae</span> Family of ferns

The Dryopteridaceae are a family of leptosporangiate ferns in the order Polypodiales. They are known colloquially as the wood ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Polypodiineae. Alternatively, it may be treated as the subfamily Dryopteridoideae of a very broadly defined family Polypodiaceae sensu lato.

<span class="mw-page-title-main">Polypodiaceae</span> Family of ferns

Polypodiaceae is a family of ferns. In the Pteridophyte Phylogeny Group classification of 2016, the family includes around 65 genera and an estimated 1,650 species and is placed in the order Polypodiales, suborder Polypodiineae. A broader circumscription has also been used, in which the family includes other families kept separate in PPG I. Nearly all species are epiphytes, but some are terrestrial.

<span class="mw-page-title-main">Blechnaceae</span> Family of ferns

Blechnaceae is a family of ferns in the order Polypodiales, with a cosmopolitan distribution. Its status as a family and the number of genera included have both varied considerably. In the Pteridophyte Phylogeny Group classification of 2016, the family has 24 genera, and excludes genera placed in the separate family Onocleaceae. The family is divided into three subfamilies, including Blechnoideae s.s. Alternatively, the entire family may be treated as the subfamily Blechnoideae s.l. of a very broadly defined family Aspleniaceae, and include genera others place in Onocleaceae.

<span class="mw-page-title-main">Athyriaceae</span> Family of ferns

The Athyriaceae are a family of terrestrial ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Aspleniineae, and includes two genera. Alternatively, it may be treated as the subfamily Athyrioideae of a very broadly defined family Aspleniaceae. The family has with a cosmopolitan distribution.

<i>Woodwardia</i> Genus of ferns

Woodwardia is a genus of ferns in the family Blechnaceae, in the suborder Aspleniineae of the order Polypodiales. Species are known as chain ferns. The genus is native to warm temperate and subtropical regions of the Northern Hemisphere. They are large ferns, with fronds growing to 50–300 cm long depending on the species. The fossil record of the genus extends to the Paleocene.

<i>Thelypteris</i> Genus of polypod ferns

Thelypteris is a genus of ferns in the subfamily Thelypteridoideae, family Thelypteridaceae, order Polypodiales. Two radically different circumscriptions of the genus are in use as of January 2020. In the Pteridophyte Phylogeny Group classification of 2016, the genus is a very small one with about two species. In other approaches, the genus is the only one in the subfamily Thelypteridoideae, and so includes between 875 and 1083 species.

Cyclogramma is a genus of ferns in the family Thelypteridaceae, subfamily Thelypteridoideae, in the Pteridophyte Phylogeny Group classification of 2016. Other sources sink Cyclogramma into a very broadly defined genus Thelypteris.

<span class="mw-page-title-main">Tectariaceae</span> Family of ferns

Tectariaceae is a family of leptosporangiate ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Polypodiineae. Alternatively, it may be treated as the subfamily Tectarioideae of a very broadly defined family Polypodiaceae sensu lato. The family comprises seven genera, of which Tectaria is by far the largest.

<i>Abacopteris</i> Genus of plants

Abacopteris is a small genus of ferns in the family Thelypteridaceae.

<i>Christella</i> Genus of ferns

Christella is a genus of around 70-80 species of ferns in the subfamily Thelypteridoideae of the family Thelypteridaceae in the Pteridophyte Phylogeny Group classification of 2016. Other sources sink Christella into a very broadly defined genus Thelypteris. The genus was named after Konrad H. Christ, a Swiss botanist. The distribution of these plants is mostly in the tropics and sub tropical areas. An Australian example is C. dentata.

<i>Cyclosorus</i> Genus of ferns

Cyclosorus is a genus of ferns in the family Thelypteridaceae, subfamily Thelypteridoideae, in the Pteridophyte Phylogeny Group classification of 2016. Other sources sink Cyclosorus into a very broadly defined genus Thelypteris, or expand the genus to include other genera which PPG I keeps separate. Thus the online Flora of China suggests there are about 250 species compared to the two species suggested in PPG I.

Pronephrium is a genus of ferns in the family Thelypteridaceae in the family Thelypteridaceae, subfamily Thelypteridoideae, in the Pteridophyte Phylogeny Group classification of 2016. Other sources sink Pronephrium into a very broadly defined genus Thelypteris. Some species were split off into the genera Abacopteris, Grypothrix and Menisciopsis in 2021 as a result of a phylogenetic study of the family Thelypteridaceae.

The Pteridophyte Phylogeny Group (PPG) is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes that reflects knowledge about plant relationships discovered through phylogenetic studies. In 2016, the group published a classification for extant pteridophytes, termed "PPG I". The paper had 94 authors.

<i>Macrothelypteris</i> Genus of ferns

Macrothelypteris is a genus of ferns in the family Thelypteridaceae, subfamily Phegopteridoideae, in the Pteridophyte Phylogeny Group classification of 2016. The genus name means 'large Thelypteris'.

<i>Parathelypteris</i> Genus of ferns

Parathelypteris is a genus of ferns in the family Thelypteridaceae, subfamily Thelypteridoideae, in the Pteridophyte Phylogeny Group classification of 2016. Other sources sink Parathelypteris into a very broadly defined genus Thelypteris.

Stegnogramma is a genus of ferns in the subfamily Thelypteridoideae of the family Thelypteridaceae in the Pteridophyte Phylogeny Group classification of 2016. Other sources sink Stegnogramma into a very broadly defined genus Thelypteris.

<i>Goniopteris</i> Genus of ferns

Goniopteris is a genus of ferns in the family Thelypteridaceae, subfamily Thelypteridoideae, in the Pteridophyte Phylogeny Group classification of 2016. Other sources sink Goniopteris into a very broadly defined genus Thelypteris.

<i>Grypothrix</i>

Grypothrix is a small genus of ferns in the family Thelypteridaceae.

References

  1. ↑ Thelypteridaceae Ching ex Pic. Serm. Tropicos.org. Missouri Botanical Garden. 24 Jan 2012
  2. 1 2 3 "Thelypteridaceae". Flora of North America.
  3. 1 2 3 4 5 6 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.
  4. ↑ 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. 1 2 3 4 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. JSTOR   25065646.
  6. ↑ 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.
  7. ↑ Collinson, M. E. (2001). "Cainozoic ferns and their distribution". Brittonia. 53 (2): 173–235. doi:10.1007/BF02812700. JSTOR   2666600. S2CID   19984401.
  8. ↑ Samuli Lehtonen (2011). "Towards Resolving the Complete Fern Tree of Life" (PDF). PLOS ONE. 6 (10): e24851. Bibcode:2011PLoSO...624851L. doi: 10.1371/journal.pone.0024851 . PMC   3192703 . PMID   22022365.
  9. ↑ 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. arXiv: cond-mat/0606434 . doi:10.1093/sysbio/sys001. PMID   22223449.
  10. 1 2 Hassler, Michael & Schmitt, Bernd (January 2020). "Thelypteridaceae". Checklist of Ferns and Lycophytes of the World. 8.20. Retrieved 2020-01-11.
  11. ↑ 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.
  12. ↑ "Tree viewer: interactive visualization of FTOL". FTOL v1.3.0. 2022. Retrieved 12 December 2022.
  13. ↑ Hassler, Michael & Schmitt, Bernd (January 2020). "Phegopteris". Checklist of Ferns and Lycophytes of the World. 8.20. Retrieved 2020-01-10.
  14. ↑ "Phegopteris (C.Presl) Fée". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2020-01-10.
  15. ↑ Fawcett, S. & Smith, A.R. (2021), A Generic Classification of the Thelypteridaceae, Sida, Botanical Miscellany 59, Fort Worth: Botanical Research Institute of Texas Press
  16. ↑ Fawcett, Susan; Smith, Alan R.; Sundue, Michael; Burleigh, J. Gordon; Sessa, Emily B.; Kuo, Li-Yaung; Chen, Cheng-Wei; Testo, Weston L.; Kessler, Michael & Barrington, David S. (2021), "A Global Phylogenomic Study of the Thelypteridaceae" (PDF), Systematic Botany, 46 (4): 891–915, doi:10.1600/036364421X16370109698650, S2CID   245512861 , retrieved 2022-06-04
  17. ↑ Regalado, Ledis; Schmidt, Alexander R.; Krings, Michael; Bechteler, Julia; Schneider, Harald; Heinrichs, Jochen (January 2018). "Fossil evidence of eupolypod ferns in the mid-Cretaceous of Myanmar". Plant Systematics and Evolution. 304 (1): 1–13. doi:10.1007/s00606-017-1439-2. ISSN   0378-2697. S2CID   21617872.
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