stellaria media, achillea millefolium, arabidopsis thaliana, capsella bursa-pastoris, cirsium arvense, lamium purpureum, poa trivialis, ranunculus acris, ranunculus repens, tripleurospermum inodorum, veronica arvensis, veronica persica, viola arvensis, apera spica-venti, myosotis arvensis, thlaspi arvense, vicia cracca