apera spica-venti, convolvulus arvensis, centaurea cyanus, chenopodium album, cirsium arvense, elymus repens, equisetum arvense, lolium perenne, lysimachia arvensis, myosotis arvensis, papaver rhoeas, poa annua, polygonum aviculare, rumex crispus, scleranthus annuus, secale cereale, stachys palustris, stellaria media, veronica arvensis, vicia hirsuta