Figure 2.

Geographical distribution of O. secunda chloroplast trnS-trnG haplotypes. Pie chart sizes are approximately proportional to sample size, with the smallest circles representing N = 1 and the largest representing N = 8. Inset shows the phylogenetic relationships between the seven haplotypes. Small black circles represent unique haplotypes i.e. those found in a single individual. The population of origin of each unique haplotype is indicated.

Beatty and Provan BMC Evolutionary Biology 2011 11:29   doi:10.1186/1471-2148-11-29
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