centaurea cyanus, aphanes arvensis, arabidopsis thaliana, chenopodium album, crepis tectorum, elymus repens, fallopia convolvulus, gnaphalium uliginosum, juncus bufonius, lycopsis arvensis, myosotis arvensis, raphanus raphanistrum, rumex acetosella, scleranthus annuus, spergula arvensis, stellaria media, thlaspi arvense, tripleurospermum inodorum, vicia hirsuta, viola arvensis, artemisia vulgaris, echinochloa crus-galli