stellaria media, arabidopsis thaliana, capsella bursa-pastoris, tripleurospermum inodorum, viola arvensis, apera spica-venti, lamium amplexicaule, lamium purpureum, poa annua, veronica hederifolia, aphanes arvensis, centaurea cyanus, elymus repens, geranium pusillum, myosotis arvensis, papaver dubium, veronica persica