VARIETAL GROUPS IN GARLIC CULTIVARS
Six groups can be distinguished in garlic cultivars of the Western world by morphophysiological characters and by isozyme patterns. There is good agreement between the results of the two methods. A few Asiatic cultivars studied do not fit into the Western world groups.
Messiaen, C.M., Lallemand, J. and Briand, F. (1994). VARIETAL GROUPS IN GARLIC CULTIVARS. Acta Hortic. 358, 157-160