Journal
MOLECULAR PHYLOGENETICS AND EVOLUTION
Volume 52, Issue 2, Pages 303-311Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ympev.2009.03.016
Keywords
Boechera; Brassicaceae; cpDNA; Phylogeography; Hybridisation
Funding
- DFG (German Research Foundation)
- ASF (Austrian Science Foundation)
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Continental-wide phylogeographic studies of plants in North America are rare. In our study we examined the phylogeographic history of Boechera (Brassicaceae) on a continental-wide scale testing if it is possible to do an analysis for 57 of the currently accepted taxa simultaneously. A large amount of haplotype sharing is explained both by recurrent hybridization and by non-differentiation of haplotypes since speciation. Hence, the chloroplast gene pool in Boechera predates speciation and therefore justifies the simultaneous analysis of a large number of taxa. Unrelated from taxon identity we can show that the evolutionary lineages detected have a different phylogeographic history in terms of glacial refugia and recently recolonised areas. (C) 2009 Elsevier Inc. All rights reserved
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