hordeum vulgare, chenopodium album, elymus repens, rumex acetosella, setaria pumila, spergula arvensis, lycopsis arvensis, centaurea cyanus, equisetum arvense, fallopia convolvulus, lysimachia arvensis, oxalis stricta, scleranthus annuus, silene latifolia, viola arvensis, anthemis arvensis, persicaria maculosa, polygonum aviculare