apera spica-venti, hordeum vulgare, scleranthus annuus, myosotis arvensis, veronica arvensis, viola arvensis, achillea millefolium, aphanes arvensis, arabidopsis thaliana, buglossoides arvensis, capsella bursa-pastoris, centaurea cyanus, chenopodium album, equisetum arvense, fallopia convolvulus, lolium perenne, papaver dubium, polygonum aviculare, raphanus raphanistrum, roemeria argemone, stellaria media, trifolium arvense, vicia sativa