polygonum aviculare, amaranthus retroflexus, arctium lappa, capsella bursa-pastoris, chenopodium album, echinochloa crus-galli, elymus repens, erigeron canadensis, hordeum murinum, lepidium draba, lepidium ruderale, lolium perenne, matricaria chamomilla, onopordum acanthium, persicaria maculosa, plantago major, poa annua, ranunculus repens, sinapis arvensis, trifolium repens