centaurea cyanus, vicia sativa, apera spica-venti, capsella bursa-pastoris, chenopodium album, equisetum arvense, myosotis arvensis, scleranthus annuus, tripleurospermum inodorum, veronica arvensis, viola arvensis, agrostemma githago, anthemis cotula, aphanes arvensis, cirsium arvense, convolvulus arvensis, fallopia convolvulus, galium aparine, rumex crispus, spergula arvensis