poa annua, tripleurospermum inodorum, aphanes arvensis, apera spica-venti, capsella bursa-pastoris, lamium purpureum, myosotis arvensis, stellaria media, veronica hederifolia, arabidopsis thaliana, lamium amplexicaule, veronica arvensis, veronica persica, viola arvensis, thlaspi arvense, vicia sativa