echinochloa crus-galli, convolvulus arvensis, setaria pumila, stellaria media, amaranthus powellii, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, cirsium arvense, digitaria sanguinalis, erigeron canadensis, lactuca serriola, polygonum aviculare, senecio vulgaris, setaria viridis, solanum nigrum, sonchus arvensis, tripleurospermum inodorum