triticum aestivum, agrostemma githago, apera spica-venti, centaurea cyanus, cirsium arvense, fallopia convolvulus, gnaphalium uliginosum, lamium amplexicaule, myosotis arvensis, papaver rhoeas, sonchus arvensis, tripleurospermum inodorum, veronica persica, vicia hirsuta, vicia tetrasperma, viola arvensis