brassica napus, apera spica-venti, elymus repens, stellaria media, centaurea cyanus, juncus bufonius, scleranthus annuus, tripleurospermum inodorum, viola arvensis, achillea millefolium, aphanes arvensis, cirsium arvense, fallopia convolvulus, myosotis stricta, rumex acetosella, stellaria graminea, thlaspi arvense, vicia cracca