brassica napus, capsella bursa-pastoris, elymus repens, galium aparine, thlaspi arvense, tripleurospermum inodorum, chenopodium album, cirsium arvense, lamium amplexicaule, noccaea perfoliata, papaver rhoeas, poa annua, stellaria media, veronica hederifolia, veronica persica, veronica polita, descurainia sophia, erysimum cheiranthoides, viola arvensis