Additional file 6: of Low genetic diversity despite multiple introductions of the invasive plant species Impatiens glandulifera in Europe

Illustration of scenarios used in ABC analyses of population history with the recent history at the bottom of the panels and the past history at the top. Pop 1 = Southern European individuals, pop 2 = Northern European individuals, pop 3 = Kashmir individuals, with different colours denoting differences in population size. Scenario 1: Initial separation of all European individuals from Kashmir individuals at t2 followed by separation of the two European populations from each other at t1. Scenario 2: Initial separation of southern European individuals from northern European and Kashmir individuals at t2 followed by a later separation of the northern European individuals from the Kashmir ones at t1.