polygonum aviculare, arctium lappa, atriplex littoralis, atriplex tatarica, cannabis sativa, capsella bursa-pastoris, chenopodium album, cichorium intybus, descurainia sophia, elymus repens, helianthus annuus, lactuca serriola, lepidium ruderale, onopordum acanthium, plantago major, poa pratensis, rumex crispus, sinapis arvensis, thlaspi arvense, tripleurospermum inodorum, triticum aestivum