amaranthus retroflexus, convolvulus arvensis, amaranthus powellii, aristolochia clematitis, atriplex tatarica, capsella bursa-pastoris, chenopodium album, cirsium arvense, echinochloa crus-galli, erigeron canadensis, lepidium draba, polygonum aviculare, setaria viridis, solanum nigrum, sonchus arvensis, stellaria media