brassica napus, papaver rhoeas, apera spica-venti, centaurea cyanus, matricaria chamomilla, stellaria media, tripleurospermum inodorum, anthemis arvensis, geranium pusillum, myosotis arvensis, triticum aestivum, viola arvensis, aphanes arvensis, capsella bursa-pastoris, matricaria discoidea, silene latifolia, veronica persica, vicia hirsuta