veronica persica, capsella bursa-pastoris, poa annua, viola arvensis, stellaria media, apera spica-venti, centaurea cyanus, veronica hederifolia, lamium amplexicaule, aphanes arvensis, arabidopsis thaliana, galium aparine, rumex crispus, thlaspi arvense, tripleurospermum inodorum, veronica arvensis, veronica triphyllos