lactuca serriola, chenopodium album, erigeron canadensis, persicaria maculosa, poa annua, achillea millefolium, galinsoga quadriradiata, matricaria discoidea, sisymbrium officinale, sonchus oleraceus, tripleurospermum inodorum, artemisia vulgaris, chaerophyllum temulum, matricaria chamomilla, sinapis arvensis, solanum nigrum, epilobium montanum, plantago major, senecio viscosus