verbascum dentifolium, bromus sterilis, centaurea calcitrapa, cirsium vulgare, onopordum acanthium, cirsium arvense, convolvulus arvensis, daucus carota, hordeum murinum, jacobaea vulgaris, medicago sativa, reseda luteola, rumex crispus, rumex pulcher, scolymus hispanicus, urtica dioica, cichorium intybus, dipsacus fullonum, echium vulgare, hyoscyamus niger, lactuca serriola, verbascum virgatum