Fig. 3From: Environmental isolation explains Iberian genetic diversity in the highly homozygous model grass Brachypodium distachyon Principal Coordinate analysis (PCoA) of the studied Brachypodium distachyon samples using the scored nSSRs markers. Percentage of explained variance of each axis is given in parentheses. Population symbols and colours are shown in the chart. Population codes are indicated in Table 1. Please note that only a small number of individuals can be seen since most individuals bear identical alleles within each populationBack to article page