text: hordeum vulgare, chenopodium album, galeopsis bifida, knautia arvensis, persicaria lapathifolia, stellaria media, phleum pratense, rumex acetosella, viola arvensis, achillea millefolium, centaurea cyanus, erysimum cheiranthoides, fallopia convolvulus, myosotis arvensis, spergula arvensis, vicia hirsuta