hordeum murinum, bromus arvensis, bromus hordeaceus, cichorium intybus, crepis setosa, erigeron canadensis, bromus sterilis, cynodon dactylon, erodium cicutarium, lactuca serriola, lepidium ruderale, matricaria chamomilla, plantago major, poa annua, sisymbrium officinale, torilis arvensis, verbena officinalis