secale cereale, apera spica-venti, anthemis arvensis, anthoxanthum aristatum, capsella bursa-pastoris, centaurea cyanus, fallopia convolvulus, matricaria discoidea, myosotis arvensis, polygonum aviculare, roemeria argemone, spergula arvensis, thlaspi arvense, veronica hederifolia, vicia sativa, viola arvensis