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  • Differences in the temperature requirements for PTG of three species (Campanula alpina, Trollius europaeus and Gentiana asclepiadea) occurring in climatically contrasting habitats.
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    Temperature requirements of pollen germination shape species distributional ranges

    Although plant distribution patterns are well documented, our understanding of the ecophysiological mechanisms that control the geographical ranges of plant species remains poor. Using a largely ignored method, the performance of the male gametophyte in vitro, Rosbakh and Poschlod assessed whether the thermal range of pollen germination and tube growth control species distribution ranges along […] More