setaria pumila, chenopodiastrum murale, chenopodium album, plantago major, potentilla reptans, sorghum halepense, amaranthus retroflexus, convolvulus arvensis, cyperus rotundus, echinochloa crus-galli, erigeron canadensis, medicago lupulina, polygonum aviculare, portulaca oleracea, rumex crispus, setaria verticillata, setaria viridis, sonchus asper, sonchus oleraceus, stellaria media, trifolium repens, verbena officinalis