poa annua, elymus repens, stellaria media, capsella bursa-pastoris, rumex crispus, arabidopsis thaliana, fallopia convolvulus, tripleurospermum inodorum, veronica persica, cerastium holosteoides, lamium amplexicaule, lamium purpureum, myosotis arvensis, veronica arvensis, veronica hederifolia, viola arvensis