scleranthus annuus, centaurea cyanus, apera spica-venti, lapsana communis, tripleurospermum inodorum, viola arvensis, aphanes arvensis, capsella bursa-pastoris, fallopia convolvulus, galeopsis tetrahit, galium aparine, poa annua, raphanus raphanistrum, veronica arvensis, vicia tetrasperma, lysimachia arvensis