triticum aestivum, veronica persica, arabidopsis thaliana, capsella bursa-pastoris, galium aparine, lamium purpureum, matricaria discoidea, plantago major, poa annua, poa pratensis, stellaria media, thlaspi arvense, trifolium repens, tripleurospermum inodorum, veronica arvensis, veronica sublobata, viola arvensis, euphorbia helioscopia, myosotis arvensis