hordeum vulgare, lysimachia arvensis, lysimachia foemina, cynosurus echinatus, legousia speculum-veneris, lolium multiflorum, lolium temulentum, papaver rhoeas, veronica persica, alopecurus myosuroides, anthemis arvensis, avena fatua, cota altissima, fallopia convolvulus, helminthotheca echioides, nigella damascena, phalaris brachystachys, polygonum aviculare, ranunculus arvensis