amaranthus hybridus, stellaria media, chenopodium opulifolium, digitaria sanguinalis, echinochloa crus-galli, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, setaria pumila, solanum nigrum, sonchus oleraceus, trifolium arvense, verbena officinalis, bidens tripartita, echium vulgare, erigeron canadensis, oxybasis glauca, persicaria maculosa, setaria verticillata, xanthium orientale