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    Université de Fribourg

    Glacial relicts in the Alps: the decline and conservation strategy for Nuphar pumila (Nymphaeaceae)

    Bétrisey, Sébastien ; Arrigo, Nils ; Graf, Larissa ; Bilat, Julia ; Gerber, Emanuel ; Kozlowski, Gregor

    In: Alpine Botany, 2020, vol. 130, no. 1, p. 89–99

    The Alps played an important role in the biogeography of European plants and acted as a refugium for numerous species during the interglacial cycles. We investigated Nuphar pumila, one of the most emblematic glacial relicts of the Alps, by carrying out exhaustive literature and field surveys to collect relevant data on its distribution and threats. We further evaluated the level of ...

    Université de Fribourg

    Hybridization as a threat in climate relict Nuphar pumila (Nymphaeaceae)

    Arrigo, Nils ; Bétrisey, Sébastien ; Graf, Larissa ; Bilat, Julia ; Gerber, Emanuel ; Kozlowski, Gregor

    In: Biodiversity and Conservation, 2016, vol. 25, no. 10, p. 1863–1877

    Field studies and conceptual work on hybridization-mediated extinction risk in climate relicts are extremely rare. Nuphar pumila (Nymphaeaceae) is one of the most emblematic climate relicts in Europe with few isolated populations in the Alpine arc. The extent of introgression with related lowland and generalist species Nupharlutea has never been studied using molecular methods. All...