chenopodium vulvaria, urtica urens, agropyron cristatum, amaranthus retroflexus, atriplex oblongifolia, atriplex tatarica, convolvulus arvensis, cynodon dactylon, herniaria glabra, hordeum murinum, hyoscyamus niger, lamium amplexicaule, lepidium draba, lolium perenne, matricaria chamomilla, polygonum aviculare, setaria pumila, sonchus oleraceus, xanthium spinosum