text: chenopodium album, echinochloa crus-galli, tripleurospermum inodorum, capsella bursa-pastoris, elymus repens, galinsoga parviflora, gnaphalium uliginosum, persicaria hydropiper, persicaria maculosa, poa annua, rumex acetosella, solanum nigrum, spergula arvensis, stellaria media, vicia sativa, viola arvensis, arnoseris minima, artemisia vulgaris, bidens tripartita, fallopia convolvulus, galeopsis tetrahit, myosotis arvensis, persicaria lapathifolia, veronica arvensis