Distribution of potato accessions for 3 different sets of information. “Categories” shows heirloom accessions in green, old accessions in blue and modern accessions in red. “Continents” shows North American accessions in green, South American accessions in purple (Andigena) and in yellow (from Chiloe Island), European accessions in red, African accessions in blue, Asian accessions in cyan, Oceanian accessions in black. “Countries” shows accessions from Austria in black, from China in light red, from France in cyan, from Germany in green, from the Netherlands in dark red, from United Kingdom in blue, from the USA in yellow, and all other accessions in gray.