amaranthus deflexus, heliotropium europaeum, malva parviflora, amaranthus albus, convolvulus arvensis, polygonum aviculare, tribulus terrestris, xanthium spinosum, chondrilla juncea, cirsium arvense, fumaria parviflora, helminthotheca echioides, hordeum murinum, ononis spinosa, papaver rhoeas, sisymbrium hispanicum, solanum nigrum