Fig. 7From: Molecular characterisation of Pinus sylvestris (L.) in Ireland at the western limit of the species distributionPrincipal Coordinates Analysis (PCoA) of the nSSR allelic composition of each Scots pine population. Shown are the first and second principal coordinates. Labels are coloured according to the STRUCTURE group (K = 3) that is most frequent in each population. Coloured shapes are also drawn around these points to assist in interpretationBack to article page