Figure 1

Geographic distribution of multi-locus mtDNA haplotypes (mitotypes) in Scots pine natural populations from Europe and Asia. (A) Gray color represents the natural range of Scots pine. The colours corresponding to the mitotypes are defined in plate B. Note a large mixed zone involving the ancestral lineages AA and BA over northeastern Europe. (B) Haplotype network of the four mitotypes identified in this study. Each link represents one indel. The size of circles is proportional to the relative frequency of mitotypes (for exact frequencies, see Table 3).