silybum marianum, carduus bourgeanus, avena barbata, bromus diandrus, centaurea calcitrapa, foeniculum vulgare, hordeum murinum, medicago sativa, onopordum acanthium, anacyclus clavatus, bromus sterilis, cirsium arvense, cirsium vulgare, conium maculatum, convolvulus arvensis, dipsacus fullonum, erodium malacoides, eruca vesicaria, galium aparine, helminthotheca echioides, hirschfeldia incana, lolium rigidum, marrubium vulgare, sinapis arvensis, sisymbrium irio