secale cereale, apera spica-venti, centaurea cyanus, vicia villosa, convolvulus arvensis, papaver rhoeas, tripleurospermum inodorum, vicia hirsuta, cirsium arvense, equisetum arvense, fallopia convolvulus, polygonum aviculare, raphanus raphanistrum, spergula arvensis, thlaspi arvense, vicia sativa, viola arvensis