Figure 4.

Geographical distribution of the 13 sampled populations of Oreina speciosissima and results from AFLP Bayesian clustering. Populations are labeled according to morphotype (i.e. square - Oreina speciosissima sensu stricto, circle - Oreina speciosissima troglodytes and polygon - intermediate forms) and clusters defined using the Bayesian model-based STRUCTURE algorithm (i.e. colors of tips according to K = 5 groups). Grey shaded areas represent elevated regions with altitudes above 1000 m. For full names of the populations see Table 1.

Borer et al. BMC Evolutionary Biology 2011 11:310   doi:10.1186/1471-2148-11-310
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