Fig. 2From: Environmental isolation explains Iberian genetic diversity in the highly homozygous model grass Brachypodium distachyon Frequency of the alleles found in Brachypodium distachyon across the three geographical areas sampled: North-West (NW), North-East (NE) and South (S) Spain. The x-axis indicates the allele size (see Additional file 1: Table S1)Back to article page