zea mays, medicago sativa, calystegia sepium, echinochloa crus-galli, fallopia convolvulus, galega officinalis, helminthotheca echioides, lepidium ruderale, medicago lupulina, polygonum aviculare, rapistrum rugosum, solanum nigrum, sonchus arvensis, atriplex prostrata, cuscuta europaea, pimpinella major, rumex crispus, rumex obtusifolius