helminthotheca echioides, avena fatua, capsella bursa-pastoris, cerastium glomeratum, chenopodium album, convolvulus arvensis, daucus carota, delphinium consolida, euphorbia platyphyllos, fallopia convolvulus, lolium perenne, lolium temulentum, lysimachia arvensis, medicago lupulina, medicago sativa, papaver rhoeas, plantago major, poa pratensis, polygonum aviculare, potentilla reptans, ranunculus arvensis, rumex crispus, trifolium repens, veronica persica