(a)
(b)
(c)
(d)
(e)
(f)
Figure 1: Photos of the analyzed plants: “Catalogna” chicory (a), “Otrantina” chicory (b), wild chicory from San Pietro Vernotico (c), wild chicory from Statte (d), and wild poppy (e); sampling sites (green spots) in the Salento Peninsula, Southern Italy (f).