Fig. 6From: Low effective population size and high spatial genetic structure of black poplar populations from the Oder valley in PolandThe distribution map of black poplar trees at the studied area located near Brzeg Dolny city in Poland. The red points indicate the location of black poplar trees. Different color squares indicate the location of black poplar trees which share the same genotype. The location data of each studied tree are available online: https://mygeodata.cloud/map/#9680702-Black-poplar-population-BrzegDolnyBack to article page