brassica napus, apera spica-venti, elymus repens, myosotis arvensis, stellaria media, tripleurospermum inodorum, viola arvensis, anthemis arvensis, capsella bursa-pastoris, centaurea cyanus, chenopodium album, fallopia convolvulus, galeopsis tetrahit, galium aparine, geranium pusillum, phleum pratense, poa annua, rumex crispus, silene latifolia, triticum aestivum