Figure 2From: Persistence across Pleistocene ice ages in Mediterranean and extra-Mediterranean refugia: phylogeographic insights from the common wall lizardPhylogenetic relationships among nuclear haplotypes. Haplotype median joining networks based on sequences of the nuclear genes acm4, mc1r, and pdc. Haplotypes are represented by circles with area proportional to their frequency and coloured according to mitochondrial clades as defined by the Maximum Likelihood tree (see Figure 1).Back to article page