myosotis arvensis, anthemis arvensis, aphanes arvensis, centaurea cyanus, fallopia convolvulus, galium aparine, veronica persica, calystegia sepium, convolvulus arvensis, legousia speculum-veneris, lolium multiflorum, poa trivialis, veronica arvensis, viola arvensis, bromus secalinus, cirsium arvense, erigeron annuus, lamium purpureum, papaver rhoeas, persicaria maculosa, polygonum aviculare