secale cereale, elymus repens, stellaria palustris, apera spica-venti, centaurea cyanus, digitaria ischaemum, erigeron canadensis, polygonum aviculare, raphanus raphanistrum, cerastium arvense, chenopodium album, cirsium arvense, convolvulus arvensis, equisetum arvense, fallopia convolvulus, gnaphalium uliginosum, herniaria hirsuta, oenothera biennis, oxalis stricta, pilosella officinarum, plantago major, rumex acetosella, scleranthus annuus, sonchus arvensis, trifolium arvense, trifolium campestre