secale cereale, centaurea cyanus, fallopia convolvulus, apera spica-venti, achillea millefolium, agrostis capillaris, allium vineale, convolvulus arvensis, delphinium consolida, elymus repens, equisetum arvense, erigeron canadensis, medicago lupulina, myosotis arvensis, rumex acetosella, scleranthus annuus, sinapis arvensis, spergula arvensis, veronica arvensis, vicia villosa, viola arvensis