triticum aestivum, sinapis arvensis, veronica hederifolia, buglossoides arvensis, capsella bursa-pastoris, centaurea cyanus, chenopodium album, cirsium arvense, convolvulus arvensis, fallopia convolvulus, papaver rhoeas, polygonum aviculare, stellaria media, anthemis arvensis, descurainia sophia, equisetum arvense, galium aparine, ranunculus repens, roemeria argemone, viola arvensis