matricaria discoidea, polygonum aviculare, arctium lappa, bromus japonicus, cichorium intybus, convolvulus arvensis, cynodon dactylon, hordeum geniculatum, hordeum murinum, lactuca serriola, lolium perenne, malva neglecta, matricaria chamomilla, medicago lupulina, plantago lanceolata, plantago major, poa annua, scleranthus annuus, sonchus oleraceus, trifolium repens