text: apera spica-venti, chenopodium album, elymus repens, capsella bursa-pastoris, spergula arvensis, stellaria media, tripleurospermum inodorum, viola arvensis, artemisia vulgaris, centaurea cyanus, crepis tectorum, fallopia convolvulus, holcus mollis, hypochaeris glabra, lycopsis arvensis, matricaria discoidea, persicaria amphibia, raphanus raphanistrum, rumex acetosella, scleranthus annuus, gnaphalium uliginosum