secale cereale, centaurea cyanus, equisetum arvense, polygonum aviculare, rumex acetosella, scleranthus annuus, viola arvensis, apera spica-venti, aphanes arvensis, chenopodium album, cirsium arvense, convolvulus arvensis, draba verna, elymus repens, erodium cicutarium, myosotis stricta, persicaria lapathifolia, raphanus raphanistrum, spergula arvensis, vicia hirsuta, vicia tetrasperma