polygonum aviculare, lolium perenne, verbena officinalis, achillea millefolium, amaranthus retroflexus, cichorium intybus, cynodon dactylon, echinochloa crus-galli, erodium cicutarium, matricaria chamomilla, matricaria discoidea, mentha pulegium, plantago major, poa annua, rorippa sylvestris, sisymbrium officinale, tripleurospermum inodorum, xanthium spinosum