hordeum vulgare, agrostis stolonifera, cirsium arvense, fallopia convolvulus, poa angustifolia, polygonum aviculare, veronica persica, capsella bursa-pastoris, lipandra polysperma, thlaspi arvense, tripleurospermum inodorum, veronica polita, viola arvensis, euphorbia helioscopia, lysimachia arvensis