echinochloa crus-galli, persicaria lapathifolia, erigeron canadensis, setaria pumila, amaranthus albus, amaranthus retroflexus, aristolochia clematitis, chenopodium album, equisetum arvense, hibiscus trionum, persicaria maculosa, rorippa sylvestris, rumex conglomeratus, solanum nigrum, sonchus arvensis, sonchus asper, symphytum officinale