Abstract.
Applying Amplified Fragment Length Polymorphism, we explored genetic differences between widespread Oxytropis campestris subsp. campestris and O. campestris subsp. tiroliensis, a presumed glacial relict restricted to a small area along the main chain of the Eastern Alps. We could not find genetic differences between the two “taxa”. Neither do the morphological characters given in the literature discriminate between them. Therefore Oxytropis campestris subsp. tiroliensis is unlikely a glacial relict that survived Pleistocene glaciations on nunataks, but rather a genetically insignificantly differentiated phenotype that arose in the course of postglacial recolonisation. There is no phylogeographical structure in O. campestris s.l. in the Alps most probably due to the fact that the taxon did not survive the cold stages of the Pleistocene in the interior of the Alps but immigrated to that region at a later date.
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Schönswetter, P., Tribsch, A. & Niklfeld, H. Amplified Fragment Length Polymorphism (AFLP) reveals no genetic divergence of the Eastern Alpine endemic Oxytropis campestris subsp. tiroliensis (Fabaceae) from widespread subsp. campestris . Plant Syst. Evol. 244, 245–255 (2004). https://doi.org/10.1007/s00606-003-0096-9
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DOI: https://doi.org/10.1007/s00606-003-0096-9