Data from: Reconciling extremely strong barriers with high levels of gene exchange in annual sunflowers

Julianno Bergoch Monteiro Sambatti, Jared L. Strasburg, Daniel Ortiz-Barrientos, Eric J. Baack & Loren Henry Rieseberg
In several cases, estimates of gene flow between species appears to be higher than predicted given the strength of interspecific barriers. However, as far as we are aware, detailed measurements of reproductive isolation have not previously been compared with a coalescent-based assessment of gene flow. Here, we contrast these two measures in two species of sunflower, Helianthus annuus and Helianthus petiolaris. We quantified the total reproductive barrier strength between these species by compounding the contributions...

Registration Year

  • 2011
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  • Dataset
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Affiliations

  • University of Queensland
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  • Indiana University
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  • Luther College
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  • University of British Columbia
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