panicum dichotomiflorum, convolvulus arvensis, digitaria sanguinalis, lipandra polysperma, setaria pumila, echinochloa crus-galli, amaranthus hybridus, ambrosia artemisiifolia, calystegia sepium, chenopodium album, robinia pseudoacacia, solanum nigrum, trifolium hybridum, viola arvensis, ailanthus altissima, phytolacca americana