plantago coronopus, lolium perenne, cynodon dactylon, matricaria chamomilla, polygonum aviculare, trifolium nigrescens, verbena officinalis, amaranthus retroflexus, capsella bursa-pastoris, convolvulus arvensis, dasypyrum villosum, erodium cicutarium, hordeum murinum, plantago lanceolata, poa annua, rumex pulcher, sisymbrium officinale