secale cereale, centaurea cyanus, fallopia convolvulus, roemeria argemone, anthemis arvensis, apera spica-venti, aphanes arvensis, buglossoides arvensis, chenopodium album, cirsium arvense, convolvulus arvensis, equisetum arvense, galium spurium, lycopsis arvensis, myosotis arvensis, neslia paniculata, polygonum aviculare, thlaspi arvense, veronica hederifolia, veronica triphyllos, vicia hirsuta, viola arvensis