triticum aestivum, viola arvensis, anthemis arvensis, capsella bursa-pastoris, apera spica-venti, arabidopsis thaliana, elymus repens, galium aparine, lamium purpureum, lapsana communis, myosotis arvensis, stellaria media, tripleurospermum inodorum, veronica arvensis, veronica persica, veronica sublobata, cirsium arvense, geranium pusillum