hordeum murinum, cynodon dactylon, poa annua, polygonum aviculare, torilis arvensis, anthemis cotula, bromus arvensis, bromus sterilis, cichorium intybus, crepis setosa, descurainia sophia, erodium cicutarium, lepidium perfoliatum, lolium perenne, malva sylvestris, sisymbrium officinale, tripleurospermum inodorum, verbascum blattaria, verbena officinalis, xanthium strumarium