triticum aestivum, apera spica-venti, anthemis arvensis, centaurea cyanus, achillea millefolium, artemisia vulgaris, avena sativa, convolvulus arvensis, elymus repens, equisetum arvense, fumaria officinalis, galinsoga parviflora, galium aparine, hordeum distichon, lysimachia arvensis, matricaria chamomilla, myosotis arvensis, neslia paniculata, oxalis stricta, persicaria lapathifolia, polygonum aviculare, sinapis arvensis, spergula arvensis, stellaria media, vicia tetrasperma, viola arvensis