Fig. 2From: Population genomics of an exceptional hybridogenetic system of Pelophylax water frogsPCA on individual genotypes (2521 SNPs) from P. lessonae (circles), P. kl. esculentus (triangles) and P. ridibundus (squares) sampled in northern (dark blue) and southern Ticino (light blue), as well as nearby reference populations (purple: northern Italy; white: Joux Valley in W-Switzerland)Back to article page