Cenozoic migration of a desert plant lineage across the North Atlantic

© 2023 The Authors New Phytologist © 2023 New Phytologist Foundation.

Détails bibliographiques
Publié dans:The New phytologist. - 1979. - 238(2023), 6 vom: 31. Juni, Seite 2668-2684
Auteur principal: Denk, Thomas (Auteur)
Autres auteurs: Bouchal, Johannes M, Güner, H Tuncay, Coiro, Mario, Butzmann, Rainer, Pigg, Kathleen B, Tiffney, Bruce H
Format: Article en ligne
Langue:English
Publié: 2023
Accès à la collection:The New phytologist
Sujets:Journal Article Research Support, Non-U.S. Gov't Kageneckia North Atlantic land bridge Paleogene Vauquelinia biogeography paleobotany sclerophyllous plants
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500 |a CommentIn: New Phytol. 2023 Jun;238(6):2261-2263. doi: 10.1111/nph.18867. - PMID 37060280 
500 |a Citation Status MEDLINE 
520 |a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation. 
520 |a Previous paleobotanical work concluded that Paleogene elements of the sclerophyllous subhumid vegetation of western Eurasia and western North America were endemic to these disjunct regions, suggesting that the southern areas of the Holarctic flora were isolated at that time. Consequently, molecular studies invoked either parallel adaptation to dry climates from related ancestors, or long-distance dispersal in explaining disjunctions between the two regions, dismissing the contemporaneous migration of dry-adapted lineages via land bridges as unlikely. We report Vauquelinia (Rosaceae), currently endemic to western North America, in Cenozoic strata of western Eurasia. Revision of North American fossils previously assigned to Vauquelinia confirmed a single fossil-species of Vauquelinia and one of its close relative Kageneckia. We established taxonomic relationships of fossil-taxa using diagnostic character combinations shared with modern species and constructed a time-calibrated phylogeny. The fossil record suggests that Vauquelinia, currently endemic to arid and subdesert environments, originated under seasonally arid climates in the Eocene of western North America and subsequently crossed the Paleogene North Atlantic land bridge (NALB) to Europe. This pattern is replicated by other sclerophyllous, dry-adapted and warmth-loving plants, suggesting that several of these taxa potentially crossed the North Atlantic via the NALB during Eocene times 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Kageneckia 
650 4 |a North Atlantic land bridge 
650 4 |a Paleogene 
650 4 |a Vauquelinia 
650 4 |a biogeography 
650 4 |a paleobotany 
650 4 |a sclerophyllous plants 
700 1 |a Bouchal, Johannes M  |e verfasserin  |4 aut 
700 1 |a Güner, H Tuncay  |e verfasserin  |4 aut 
700 1 |a Coiro, Mario  |e verfasserin  |4 aut 
700 1 |a Butzmann, Rainer  |e verfasserin  |4 aut 
700 1 |a Pigg, Kathleen B  |e verfasserin  |4 aut 
700 1 |a Tiffney, Bruce H  |e verfasserin  |4 aut 
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