Fig. 1.

Distribution of Brassica incana natural populations. On the left is a photograph of a flowering B. incana in the PALI population. On the right, the Campania region is represented in dark gray on the Italy map. The 21 natural populations of B. incana are indicated with colored dots on the map. The orange dots indicate six populations on tuff soil and the blue dots 15 populations on limestone soil. See supplementary table S1, Supplementary Material online for full name of populations. Courtesy of Léa Frachon.