triticum aestivum, centaurea cyanus, matricaria chamomilla, arabidopsis thaliana, thlaspi arvense, veronica arvensis, capsella bursa-pastoris, draba verna, elymus repens, lamium amplexicaule, lamium purpureum, matricaria discoidea, myosotis arvensis, scleranthus annuus, stellaria media, tripleurospermum inodorum, vicia tetrasperma, viola arvensis, erodium cicutarium, poa annua, poa pratensis, veronica persica, veronica serpyllifolia