[article]
| Titre : |
Biogeography and integrative taxonomy of Epipterygium (Mniaceae, Bryophyta) |
| Type de document : |
Imprimé |
| Auteurs : |
Maximilian Hanusch ; Edgardo M. Ortiz ; Jairo Patiño ; Hanno Schaefer |
| Année de publication : |
2020 |
| Article en page(s) : |
1150-1171 |
| Langues : |
Anglais (eng) |
| Catégories : |
[Thématique] Bryophytes
|
| Mots-clés : |
Epipterygium |
| Résumé : |
A significant number of bryophyte species are thought to have transcontinental geographic ranges, oftenwithmultiple disjunct distribution areas.One of these cases is Epipterygiumtozeri (Mniaceae),with a Holarctic distribution and disjunct ranges inwestern North America, theMediterranean, Japan and central Asia. Collections from different geographic regions were lumped into E. tozeri based on morphology, but a molecular confirmation was lacking so far. Here, we tested species concepts in the genus Epipterygium, with a special focus on the E. tozeri species complex, combining morphological and DNA sequence data for the nuclear ribosomal ITS region and two plastid loci (trnG intron, trnT-psbD spacer). In a second step, we reconstructed the historical biogeography of the genus. We found that Epipterygiummost likely originated inAsia orNorth/CentralAmerica and that the alleged singlewidespread species E. tozeri with disjunct ranges is in fact a group of genetically andmorphologically distinct taxa, including four overlooked species, forwhichwe provide descriptions: E. atlanticumsp. nov., E. biauritumsp. nov., E. oreophilumsp. nov., and E. yunnanense sp. nov. The biogeographical history of these species is best explained by a step-wise parallel colonization of the Eurasian and American continents followed by in-situ speciation. |
| Lien pérenne : |
DOI : 10.1002/tax.12324  |
in Taxon > 69 (6) (2020) . - 1150-1171
Hanusch, M., Ortiz, EM., Patiño, J., Schaefer, H.
2020.
Biogeography and integrative taxonomy of Epipterygium (Mniaceae, Bryophyta).
Taxon, 69(6): 1150-1171.
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