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Genetic diversity may promote a plant species’ invasiveness by facilitating the evolution of local adaptation, enhanced competitive abilities, and phenotypic plasticity. We examined the possible role of genetic diversity in the invasiveness of purple loosestrife, Lythrum salicaria L., a Eurasian native introduced to North America, through a broad geographic comparison of eight populations, four from Europe and four from North America. We further cultivated these populations in two common gardens varying by nearly 20 degrees of latitude to evaluate whether invasive populations exhibit heightened growth/reproductive capabilities and/or phenotypic plasticity when faced with widely varying environmental conditions....
    map background search result map search result map Morphology and genetics of Lythrum salicaria from latitudinal gradients of the Northern Hemisphere grown in cold and hot common gardens Morphology and genetics of Lythrum salicaria from latitudinal gradients of the Northern Hemisphere grown in cold and hot common gardens