hordeum vulgare, centaurea cyanus, chenopodium album, equisetum arvense, fallopia convolvulus, polygonum aviculare, raphanus raphanistrum, sonchus arvensis, spergula arvensis, vicia hirsuta, cerastium holosteoides, convolvulus arvensis, elymus repens, erysimum cheiranthoides, myosotis arvensis, scleranthus annuus, veronica arvensis, tripleurospermum inodorum