amaranthus retroflexus, portulaca oleracea, cirsium arvense, cynodon dactylon, solanum nigrum, chenopodium album, convolvulus arvensis, elymus repens, erigeron canadensis, lolium perenne, setaria pumila, setaria viridis, sorghum halepense, stellaria media, digitaria sanguinalis, echinochloa crus-galli, fallopia convolvulus, rubus caesius, sambucus ebulus, sinapis arvensis, solanum dulcamara, sonchus arvensis, sonchus oleraceus, urtica dioica