Setaphyta

The Setaphyta are a clade within the Bryophyta which includes Marchantiophytina (liverworts) and Bryophytina (mosses). Anthocerotophytina (hornworts) are excluded.[1][2] A 2018 study found through molecular sequencing that liverworts are more closely related to mosses than hornworts, with the implication that liverworts were not among the first species to colonize land.[3]

Setaphyta
A mosaic of liverworts and mosses
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Setaphyta
Divisions

Phylogeny

There is strong phylogenetic evidence for Setaphyta.[1][4][5]

'Monophyletic bryophytes' model 'Liverworts plus mossesbasal' model
embryophytes
bryophytes
setaphytes

liverworts

mosses

hornworts

vascular plants

embryophytes
setaphytes

liverworts

mosses

hornworts

vascular plants

Two of the most likely models for bryophyte evolution.[5]


References

  1. Puttick, Mark N.; et al. (March 2018). "The Interrelationships of Land Plants and the Nature of the Ancestral Embryophyte". Current Biology. 28 (5): 733–745.e2. doi:10.1016/j.cub.2018.01.063. hdl:1983/ad32d4da-6cb3-4ed6-add2-2415f81b46da. PMID 29456145. S2CID 3269165.
  2. Sousa, Filipe; Civáň, Peter; Brazão, João; Foster, Peter G.; Cox, Cymon J. (28 April 2020). "The mitochondrial phylogeny of land plants shows support for Setaphyta under composition-heterogeneous substitution models". PeerJ. 8: e8995. doi:10.7717/peerj.8995. PMC 7194085. PMID 32377448.
  3. Nannan, Zhang (2 March 2018). "Setaphyta:A New Family Tree Given to Plants----Chinese Academy of Sciences". english.cas.cn. Chinese Academy of Sciences. Retrieved 10 July 2022.
  4. Sousa, Filipe; et al. (2020). "The mitochondrial phylogeny of land plants shows support for Setaphyta under composition-heterogeneous substitution models". PeerJ. 8 (4): e8995. doi:10.7717/peerj.8995. PMC 7194085. PMID 32377448.
  5. Cox, Cymon J. (2018). "Land Plant Molecular Phylogenetics: A Review with Comments on Evaluating Incongruence Among Phylogenies". Critical Reviews in Plant Sciences. 37 (2–3): 113–127. doi:10.1080/07352689.2018.1482443. hdl:10400.1/14557. S2CID 92198979.
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