hordeum murinum, bromus arvensis, bromus sterilis, torilis arvensis, cichorium intybus, crepis setosa, cynodon dactylon, descurainia sophia, erigeron canadensis, eryngium campestre, lepidium ruderale, lolium perenne, malva sylvestris, plantago major, polygonum aviculare, sisymbrium officinale, verbascum blattaria, xanthium strumarium