setaria pumila, lipandra polysperma, oxalis stricta, chenopodium album, clematis vitalba, plantago major, polygonum aviculare, symphytum officinale, viola arvensis, amaranthus powellii, amaranthus retroflexus, artemisia vulgaris, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, erigeron annuus, panicum miliaceum, persicaria maculosa, scrophularia nodosa, silene latifolia, solanum nigrum, solidago canadensis, tussilago farfara, veronica persica