Fig. 2From: Hybrid origin of European Vipers (Vipera magnifica and Vipera orlovi) from the Caucasus determined using genomic scale DNA markersMaximum likelihood tree (RAxML v 8.2.4, 1000 bootstrap replicates) obtained from the analysis of concatenated sequence of RAD loci. Bootstrap supports above 90Â % are reported at nodesBack to article page