brassica napus, centaurea cyanus, apera spica-venti, elymus repens, equisetum arvense, matricaria chamomilla, stellaria media, vicia villosa, achillea millefolium, chenopodium album, erodium cicutarium, fallopia convolvulus, myosotis stricta, papaver rhoeas, scleranthus annuus, secale cereale, viola arvensis