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Pollen-limited production of viable seeds in an endemic dwarf birch, Betula apoiensis, and incomplete reproductive barriers to a sympatric congener, B-ermanii

T. Nagamitsu, Auteur ; T. Kawahara, Auteur ; A. Kanazashi, Auteur

Dans Biological Conservation (129(1) APR 2006)

An endemic dwarf birch, Betula apoiensis, is critically endangered, and two populations of this species are restricted to the ridges of Mt. Apoi in Hokkaido, Japan. We observed the flowering phenology, pollen dispersal, and viable seed productio[...]

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