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Université de Fribourg

Interspecific hybridization in the genus Hieracium s. str.: evidence for bidirectional gene flow and spontaneous allopolyploidization

Mráz, Patrik ; Chrtek, Jindřich ; Fehrer, Judith

In: Plant Systematics and Evolution, 2011, vol. 293, p. 237–245

Although reticulation has indisputably played an important role in the evolutionary history of the genus Hieracium s. str. (Asteraceae), convincingly documented cases of recent interspecific hybridization are very rare. Here we report combined evidence on recent hybridization between two diploid species, Hieracium alpinum and H. transsilvanicum. The hybrid origin of...