amaranthus retroflexus, amaranthus powellii, aristolochia clematitis, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, elymus repens, erigeron canadensis, lactuca serriola, polygonum aviculare, setaria pumila, setaria viridis, solanum nigrum, stellaria media