centaurea calcitrapa, lolium perenne, cynodon dactylon, cichorium intybus, anthemis cotula, convolvulus arvensis, plantago lanceolata, torilis arvensis, trifolium leucanthum, polygonum aviculare, dasypyrum villosum, lathyrus sativus, lepidium draba, malva sylvestris, medicago polymorpha, scolymus hispanicus