aphanes arvensis, stellaria media, viola arvensis, apera spica-venti, arabidopsis thaliana, capsella bursa-pastoris, centaurea cyanus, draba verna, elymus repens, fallopia convolvulus, lamium amplexicaule, myosotis arvensis, poa annua, tripleurospermum inodorum, veronica persica, vicia hirsuta