centaurea cyanus, cirsium arvense, mentha arvensis, scleranthus annuus, stellaria media, veronica arvensis, vicia hirsuta, vicia sativa, vicia tetrasperma, aethusa cynapium, anthemis arvensis, chenopodium album, myosotis arvensis, persicaria hydropiper, thlaspi arvense, veronica persica, viola arvensis, galeopsis tetrahit