gnaphalium uliginosum, thlaspi arvense, viola arvensis, capsella bursa-pastoris, centaurea cyanus, chenopodium album, cirsium arvense, elymus repens, equisetum arvense, lamium amplexicaule, lysimachia arvensis, myosotis arvensis, plantago uliginosa, poa annua, sonchus arvensis, spergula arvensis, stellaria media, tripleurospermum inodorum, veronica arvensis, veronica persica, artemisia vulgaris, galinsoga parviflora, senecio vulgaris