apera spica-venti, viola arvensis, poa annua, tripleurospermum inodorum, matricaria chamomilla, capsella bursa-pastoris, centaurea cyanus, chenopodium album, elymus repens, fallopia convolvulus, myosotis arvensis, persicaria maculosa, stellaria media, lolium perenne, rumex crispus, scleranthus annuus, vicia hirsuta, vicia sativa