brassica napus, centaurea cyanus, tripleurospermum inodorum, anthemis cotula, triticum aestivum, viola arvensis, apera spica-venti, chenopodium album, cirsium arvense, convolvulus arvensis, elymus repens, fallopia convolvulus, lolium perenne, matricaria chamomilla, stellaria media, avena fatua, matricaria discoidea, secale cereale