galinsoga parviflora, gnaphalium uliginosum, capsella bursa-pastoris, chenopodium album, lamium amplexicaule, lysimachia arvensis, papaver dubium, plantago uliginosa, poa annua, senecio vulgaris, sinapis arvensis, stellaria media, thlaspi arvense, tripleurospermum inodorum, urtica urens, veronica persica, viola arvensis, centaurea cyanus, equisetum arvense, lycopsis arvensis, solanum nigrum