zea mays, avena fatua, convolvulus arvensis, persicaria lapathifolia, viola arvensis, atriplex patula, cirsium arvense, echinochloa crus-galli, fallopia convolvulus, galium aparine, hordeum vulgare, lamium amplexicaule, sonchus arvensis, thlaspi arvense, tripleurospermum inodorum, sonchus oleraceus