secale cereale, viola arvensis, elymus repens, erigeron acris, scleranthus annuus, tripleurospermum inodorum, achillea millefolium, anthemis arvensis, apera spica-venti, cichorium intybus, cirsium arvense, convolvulus arvensis, draba verna, equisetum arvense, erigeron canadensis, myosotis arvensis, rumex acetosella, setaria viridis, veronica arvensis, vicia villosa