triticum aestivum, apera spica-venti, equisetum arvense, capsella bursa-pastoris, centaurea cyanus, chenopodium album, cirsium arvense, convolvulus arvensis, fallopia convolvulus, geranium pusillum, gnaphalium uliginosum, lycopsis arvensis, matricaria chamomilla, myosotis arvensis, oxalis stricta, polygonum aviculare, rumex crispus, stellaria media, tripleurospermum inodorum, viola arvensis