hordeum vulgare, avena sativa, spergula arvensis, sinapis arvensis, equisetum arvense, rumex acetosella, centaurea cyanus, chenopodium album, fallopia convolvulus, galeopsis ladanum, lysimachia arvensis, oxalis stricta, papaver dubium, raphanus raphanistrum, scleranthus annuus, thlaspi arvense, vicia sativa, viola arvensis, viola tricolor