Does glacial survival really not matter? The Pleistocene fate of Saxifraga oppositifolia in the European Alps

Abstract

The outbreeding Saxifraga oppositifolia is one of those arctic-alpine plant species that are best studied with molecular methods. A recent survey ol cpDNA haplotypes in the Holarctic found Pleistocene refugia of S. oppositifolia both in the Arctic and at more southern latitudes . However, in situ glacial survival of this species was not detected in a RAPD study in Northern Europe and Svalbard. It was concluded thai local glacial refugia were of no relevance in these latter areas because in situ surviving genotypes were swamped by massive immigration of periglacial genotypes after glaciation. So far, no specific phylogeographicanalysis on the purple saxifrage across the Alps has been carried out.

https://doi.org/10.12685/bauhinia.2173
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Copyright (c) 2026 Rolf Holderegger, Ivana Stehlik, Richard J. Abbott