poa annua, viola arvensis, aphanes arvensis, stellaria media, veronica arvensis, veronica hederifolia, veronica persica, arabidopsis thaliana, arenaria serpyllifolia, artemisia vulgaris, cerastium holosteoides, lamium amplexicaule, lycopsis arvensis, myosotis arvensis, myosurus minimus, tripleurospermum inodorum