convolvulus arvensis, papaver rhoeas, veronica persica, capsella bursa-pastoris, cirsium arvense, crepis vesicaria, fallopia convolvulus, legousia speculum-veneris, lolium rigidum, polygonum aviculare, trifolium repens, veronica arvensis, bromus sterilis, chenopodium album, lepidium draba, poa compressa