triticum aestivum, apera spica-venti, scleranthus annuus, centaurea cyanus, holcus mollis, rumex acetosella, secale cereale, viola arvensis, arnoseris minima, cirsium arvense, convolvulus arvensis, equisetum arvense, galeopsis tetrahit, persicaria lapathifolia, raphanus raphanistrum, spergula arvensis, thlaspi arvense, vicia sativa