hordeum vulgare, apera spica-venti, juncus bufonius, persicaria lapathifolia, echinochloa crus-galli, elymus repens, holcus mollis, persicaria hydropiper, tripleurospermum inodorum, avena sativa, bidens tripartita, centaurea cyanus, chenopodium album, erodium cicutarium, gnaphalium uliginosum, hypochaeris glabra, matricaria discoidea, myosotis arvensis, spergula arvensis, trifolium repens, viola arvensis