amaranthus powellii, chenopodiastrum hybridum, lipandra polysperma, mercurialis annua, persicaria lapathifolia, amaranthus retroflexus, chenopodium album, cirsium arvense, lysimachia arvensis, phragmites australis, plantago major, silene noctiflora, sonchus oleraceus, stellaria media, tripleurospermum inodorum, urtica dioica, veronica persica, cichorium intybus, echinochloa crus-galli, erigeron canadensis