Strong differences in genetic structure across disjunct, edge, and core populations of the distylous forest herb Pulmonaria officinalis (Boraginaceae).

Abstract excerpt

PREMISE OF THE STUDY: Populations at the edge of a species' distribution area are often small and have low levels of gene flow resulting in lower genetic variation and higher differentiation compared to core populations. This study examined genetic variation among populations of the distylous temperate forest herb Pulmonaria officinalis located in the core, the edge, and outside the species' main distribution...

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