triticum aestivum, apera spica-venti, papaver rhoeas, centaurea cyanus, cirsium arvense, aphanes arvensis, avena fatua, campanula rapunculoides, fallopia convolvulus, galium aparine, lysimachia arvensis, matricaria chamomilla, myosotis arvensis, persicaria lapathifolia, stellaria media, tripleurospermum inodorum, viola arvensis