Supplementary figure 4 from: Backeljau T, Breugelmans K, Jordaens K, Adriaens E, Remon J, Quintana Cardona J (2013) DNA barcodes and phylogenetic affinities of the terrestrial slugs Arion gilvus and A. ponsi (Gastropoda, Pulmonata, Arionidae). ZooKeys 365: 83-104. https://doi.org/10.3897/zookeys.365.6104

Supplementary figure 4 - Neighbour-Joining tree (Kimura 2-parameter model) of a 378 bp fragment of the nuclear internal transcribed spacer 1 (ITS1) region for the land slug subgenus Mesarion. This figure also includes the Iberian Mesarion ITS1 sequences of Quinteiro et al. (2005) Bootstrap values ≥ 70% are shown at the nodes. For sample codes see Table 1.