text: apera spica-venti, arnoseris minima, spergula arvensis, aphanes arvensis, capsella bursa-pastoris, centaurea cyanus, elymus repens, equisetum arvense, fallopia convolvulus, persicaria hydropiper, rumex acetosella, scleranthus annuus, setaria viridis, stellaria media, tripleurospermum inodorum, veronica arvensis, vicia hirsuta, vicia sativa, viola arvensis, chenopodium album