aphanes arvensis, myosotis arvensis, triticum aestivum, achillea millefolium, apera spica-venti, cirsium arvense, convolvulus arvensis, elymus repens, equisetum arvense, galium aparine, papaver rhoeas, persicaria maculosa, polygonum aviculare, stellaria media, tripleurospermum inodorum, veronica arvensis, veronica persica, viola arvensis