chenopodium album, hordeum vulgare, stellaria media, centaurea cyanus, galeopsis bifida, persicaria lapathifolia, sonchus arvensis, trifolium pratense, viola arvensis, erysimum cheiranthoides, fallopia convolvulus, lapsana communis, spergula arvensis, trifolium repens, myosotis arvensis, phleum pratense, ranunculus repens, thlaspi arvense, vicia cracca