arabidopsis thaliana, cirsium arvense, plantago uliginosa, poa annua, raphanus raphanistrum, chenopodium album, fallopia convolvulus, fumaria officinalis, gnaphalium uliginosum, lamium purpureum, myosotis arvensis, polygonum aviculare, rumex crispus, scleranthus annuus, spergula arvensis, veronica persica, viola arvensis, anthemis cotula, galinsoga parviflora, lamium amplexicaule, ranunculus repens, thlaspi arvense, trifolium repens, tripleurospermum inodorum