Figure 3
From: MtDNA diversity among four Portuguese autochthonous dog breeds: a fine-scale characterisation

Median-joining network of dog mtDNA haplotypes belonging to haplogroup D. Haplotypes D1, D2, D3 and D4 were observed in Scandinavian dogs, while D5 was observed in Turkey, D6 in Spain and ID in this work. Circle sizes are proportional to the number of individuals they represent.