digitaria ischaemum, cirsium arvense, convolvulus arvensis, polygonum aviculare, setaria viridis, sonchus arvensis, atriplex patula, capsella bursa-pastoris, echinochloa crus-galli, elymus repens, erodium cicutarium, galinsoga parviflora, lysimachia arvensis, papaver rhoeas, setaria pumila, sherardia arvensis, vicia cracca