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Reproductive strategies in some arctic Saxifraga (Saxifragaceae), with emphasis on the narrow endemic S. svalbardensis and its parental species

Christian Brochmann, Auteur ; Arnodd Håpnes, Auteur

Dans Botanical Journal of the Linnean Society (137(1) 2001-09-01)

Arctic saxifrages show conspicuous reproductive and chromosomal variation. We examined sexual and asexual traits in 43 phytotron-cultivated Svalbard populations of nine species, including the endemic, supposedly entirely asexual and aneupolyploi[...]

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Same parental species, but different taxa: molecular evidence for hybrid origins of the rare endemics Saxifraga opdalensis and S. svalbardensis (Saxifragaceae)

Snorre W. Steen, Auteur ; Ludovic Gielly, Auteur ; Pierre Taberlet, Auteur ; Christian Brochmann, Auteur

Dans Botanical Journal of the Linnean Society (132(2) 2000-02-01)

Saxifraga opdolensis was described from Oppdal in southern Norway and hypothesized to have originated as the hybrid S. cernua × rivularis or to have been derived from a S. cernua-like progenitor. We tested these alternative hypotheses using uni-[...]

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