triticum aestivum, galeopsis tetrahit, poa annua, achillea millefolium, centaurea cyanus, elymus repens, fallopia convolvulus, phleum pratense, poa pratensis, polygonum aviculare, stellaria graminea, viola arvensis, agrostis stolonifera, cirsium arvense, galeopsis speciosa, gnaphalium uliginosum, plantago major, poa compressa, scleranthus annuus, capsella bursa-pastoris, rumex crispus, tripleurospermum inodorum