elymus repens, tripleurospermum inodorum, viola arvensis, artemisia vulgaris, capsella bursa-pastoris, centaurea cyanus, cerastium holosteoides, cirsium arvense, equisetum arvense, euphorbia peplus, fallopia convolvulus, lamium amplexicaule, lycopsis arvensis, myosotis arvensis, plantago uliginosa, poa annua, sinapis arvensis, sonchus arvensis, sonchus oleraceus, stellaria media, veronica arvensis, veronica persica, arabidopsis thaliana, gnaphalium uliginosum