Figure 4From: Deep divergences and extensive phylogeographic structure in a clade of lowland tropical salamandersHaplotype network for POMC data. Haplotypes are colored by species: red, B. rufescens; blue, B. occidentalis; green, B. chinanteca; pink, B. nympha. Size of circles is proportional to haplotype frequency. Small black dots indicate unsampled haplotypes inferred from analysis.Back to article page