Acknowledgements

This work was supported by the Marie Curie Actions of the 7th European Community Framework Programme: FP7/2007-2013/, REA grant agreement n° 606895-MedPlant to NR, NIA, KMS, VM, PS, MX, NZ, and OG. We would like to thank ADNid, Montpellier (France) for DNA extractions, and The Global Diversity Facility (GDF) of Cornell University for genotyping-by-sequencing.