“…Leaves were the most used plant part (100%). Previous studies involving the D. gnidium plant realized in several regions of Morocco were in accordance with this result (Akdime et al 2015, Bellakhdar et al 1991, El-Hilaly et al 2003, Fatiha et al 2019, Merzouki et al 2000, Slimani et al 2016, also in Algeria (Benarba et al 2015, Boudjelal et al 2013, Yaici et al 2020.…”