amaranthus retroflexus, bidens tripartita, lipandra polysperma, mentha arvensis, plantago major, sonchus arvensis, chenopodium album, cirsium arvense, persicaria maculosa, ranunculus repens, carex hirta, echinochloa crus-galli, erigeron annuus, erigeron canadensis, lythrum salicaria, panicum capillare, potentilla reptans, setaria pumila, solanum nigrum, sonchus oleraceus, stachys palustris, symphytum officinale