papaver rhoeas, viola arvensis, convolvulus arvensis, euphorbia platyphyllos, galium aparine, myosotis arvensis, poa trivialis, triticum aestivum, capsella bursa-pastoris, cerastium fontanum, lapsana communis, lysimachia arvensis, senecio vulgaris, sonchus asper, sonchus oleraceus, veronica persica, vicia sativa, lactuca serriola