Figure 2.

Likely postglacial colonization routes from refugial areas in Europe and North America for a distinctive sample of species that have been deduced from DNA haplotype relationships. Note that regions like central Scandinavia, Britain, the Pacific North West and central Canada contain a mixture of species whose genomes have come from different refugia (see text for discussion).

Hewitt Frontiers in Zoology 2004 1:4   doi:10.1186/1742-9994-1-4
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