secale cereale, centaurea cyanus, apera spica-venti, trifolium arvense, delphinium consolida, lysimachia arvensis, odontites vernus, trifolium campestre, viola arvensis, chenopodium album, equisetum arvense, fallopia convolvulus, myosotis arvensis, sinapis arvensis, thlaspi arvense, vicia tetrasperma, vicia villosa