viola arvensis, apera spica-venti, anthemis arvensis, centaurea cyanus, elymus repens, fallopia convolvulus, polygonum aviculare, scleranthus annuus, chenopodium album, lapsana communis, persicaria lapathifolia, secale cereale, spergula arvensis, tripleurospermum inodorum, artemisia vulgaris, cirsium arvense, plantago major, silene vulgaris, sonchus arvensis, vicia hirsuta, vicia sativa, vicia tetrasperma