triticum aestivum, veronica hederifolia, apera spica-venti, descurainia sophia, galium aparine, hordeum murinum, lamium amplexicaule, papaver rhoeas, persicaria maculosa, stellaria media, tripleurospermum inodorum, veronica arvensis, cirsium arvense, delphinium consolida, sonchus arvensis, sonchus oleraceus, viola arvensis