papaver rhoeas, brassica napus, tripleurospermum inodorum, capsella bursa-pastoris, cirsium arvense, descurainia sophia, elymus repens, euphorbia helioscopia, fumaria officinalis, roemeria argemone, stellaria media, thlaspi arvense, veronica persica, veronica polita, viola arvensis, arctium tomentosum, fallopia convolvulus, lactuca serriola