Figure 1

© Eric Gaba for Wikimedia Commons. Licensed under CC BY-SA 3.0 license (https://commons.wikimedia.org/wiki/File:Italy_topographic_map-blank.svg).
Geographical distribution of the wild examined grapevine populations (red circles and number according to Supplementary Table S3) and of the traditional growing area of Lambrusco varieties in the Italian region of Emilia-Romagna and Trentino (black letters). Image modified from Blank topographic map from Wikimedia Commons.