triticum aestivum, apera spica-venti, artemisia vulgaris, centaurea cyanus, chenopodium album, cirsium arvense, convolvulus arvensis, elymus repens, erigeron canadensis, galium aparine, lactuca serriola, papaver rhoeas, polygonum aviculare, setaria pumila, tanacetum vulgare, tripleurospermum inodorum, vicia hirsuta, vicia sativa, vicia tetrasperma, viola arvensis