amaranthus powellii, amaranthus retroflexus, chenopodium album, cirsium arvense, convolvulus arvensis, digitaria ischaemum, echinochloa crus-galli, setaria pumila, atriplex patula, elymus repens, fallopia convolvulus, papaver rhoeas, polygonum aviculare, rubus caesius, setaria verticillata, setaria viridis, geranium pusillum, matricaria discoidea, rumex crispus, sonchus arvensis, sonchus oleraceus