Geographic origin of the accessions. Colour-coding refers to the assignation in two groups as inferred using Instruct for K = 2. Group 1 (red) comprises 25 accessions and is broadly distributed geographically. Group 2 (blue) consists of n = 32 accessions.
De Mita et al. BMC Evolutionary Biology 2011 11:229 doi:10.1186/1471-2148-11-229