galium aparine, aethusa cynapium, centaurea cyanus, lapsana communis, stellaria media, thlaspi arvense, viola arvensis, aphanes arvensis, arrhenatherum elatius, buglossoides arvensis, cirsium arvense, convolvulus arvensis, fallopia convolvulus, myosotis arvensis, papaver rhoeas, valerianella dentata, vicia hirsuta, vicia tetrasperma, knautia arvensis