brassica napus, viola arvensis, apera spica-venti, centaurea cyanus, equisetum arvense, geranium pusillum, stellaria media, achillea millefolium, aphanes arvensis, erodium cicutarium, fallopia convolvulus, myosotis arvensis, polygonum aviculare, roemeria argemone, veronica arvensis, veronica triphyllos, vicia hirsuta, vicia sativa