Population divergence along lines of genetic variance and covariance in the invasive plant Lythrum salicaria in eastern North America.

Abstract excerpt

Evolution during biological invasion may occur over contemporary timescales, but the rate of evolutionary change may be inhibited by a lack of standing genetic variation for ecologically relevant traits and by fitness trade-offs among them. The extent to which these genetic constraints limit the evolution of local adaptation during biological invasion has rarely been examined. To investigate genetic constraints...

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