Diversity of Naturalized Hairy Vetch ( Roth) Populations in Central Argentina as a Source of Potential Adaptive Traits for Breeding.

Hairy vetch ( ssp. Roth) is native of Europe and Western Asia and it is the second most cultivated vetch worldwide. Hairy vetch is used as forage species in semiarid environments and as a legume cover crop in sub-humid and humid regions.