hordeum vulgare, chenopodium album, galinsoga parviflora, veronica persica, atriplex patula, plantago uliginosa, sonchus oleraceus, artemisia vulgaris, centaurea cyanus, cirsium arvense, elymus repens, polygonum aviculare, silene latifolia, stellaria media, tripleurospermum inodorum, viola arvensis, convolvulus arvensis, equisetum arvense