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Skrede I, Eidesen PB, Piñeiro Portela R, Brochmann C. Refugia, differentiation and postglacial migration in arctic-alpine Eurasia, exemplified by the mountain avens (Dryas octopetala L.). Molecular Ecology. 2006, 15 (7): 1827–1840. PMID 16689901. doi:10.1111/j.1365-294X.2006.02908.x.