carduus bourgeanus, silybum marianum, anacyclus clavatus, lolium rigidum, mantisalca salmantica, carthamus lanatus, centaurea melitensis, convolvulus arvensis, medicago sativa, papaver rhoeas, plantago lagopus, artemisia herba-alba, avena barbata, beta vulgaris, elymus repens, lactuca virosa, mercurialis tomentosa, silene vulgaris, sinapis arvensis