setaria pumila, amaranthus retroflexus, rumex crispus, calystegia sepium, chenopodiastrum murale, chenopodium album, convolvulus arvensis, cyperus rotundus, digitaria sanguinalis, echinochloa crus-galli, erigeron canadensis, oxalis corniculata, plantago major, poa annua, setaria verticillata, sonchus asper, sonchus oleraceus, sorghum halepense, stellaria media, symphyotrichum squamatum