hordeum vulgare, galinsoga quadriradiata, thlaspi arvense, stellaria media, tripleurospermum inodorum, cirsium arvense, galium aparine, lapsana communis, sinapis arvensis, veronica hederifolia, veronica persica, vicia tetrasperma, anthemis arvensis, capsella bursa-pastoris, fallopia convolvulus, glechoma hederacea, persicaria lapathifolia, poa annua, viola arvensis