Figure 4From: Comparative transcriptomics of a complex of four European pine species Principal Coordinates Analysis (PCoA) based on pairwise nucleotide difference matrix at 676 contigs (>1.3Mbp, 27929 SNPs) showing genetic relationships between P. sylvestris (●), P. mugo (■), P. uncinata (♦) and P. uliginosa (▲) samples. Back to article page