sorghum halepense, veronica arvensis, diplotaxis erucoides, reseda phyteuma, sherardia arvensis, sonchus oleraceus, capsella bursa-pastoris, chenopodium album, iberis amara, lolium perenne, lysimachia arvensis, papaver rhoeas, poa annua, ranunculus arvensis, senecio vulgaris, trifolium campestre