brassica nigra, chenopodium album, persicaria lapathifolia, thlaspi arvense, artemisia annua, cirsium arvense, descurainia sophia, fallopia convolvulus, galium aparine, persicaria maculosa, polygonum aviculare, sinapis arvensis, sisymbrium officinale, sonchus arvensis, stellaria media, tripleurospermum inodorum, veronica polita, vicia sativa, vicia villosa