helminthotheca echioides, rumex crispus, allium vineale, avena sativa, bromus sterilis, capsella bursa-pastoris, cerastium glomeratum, cirsium arvense, convolvulus arvensis, daucus carota, delphinium consolida, euphorbia exigua, fallopia convolvulus, lolium perenne, lysimachia arvensis, medicago lupulina, medicago sativa, papaver rhoeas, poa trivialis, polygonum aviculare, ranunculus arvensis, trifolium pratense, trifolium repens, veronica persica