Fig. 4From: Fine-scale assessment of genetic diversity of trembling aspen in northwestern North AmericaNeighbour-joining tree obtained using Nei’s distance matrix for 27 populations of Populus tremuloides with data obtained from 10 polymorphic microsatellite loci. The numbers represent the bootstrap values as percentages. On the right side are the STRUCTURE results graphically displayed to show, for each sample, the probability of belonging to each of the 3 groups detectedBack to article page