chenopodium album, amaranthus blitoides, amaranthus retroflexus, erigeron canadensis, ajuga chamaepitys, capsella bursa-pastoris, cynodon dactylon, digitaria sanguinalis, echinochloa crus-galli, eragrostis minor, lactuca serriola, malva pusilla, portulaca oleracea, rumex crispus, setaria pumila, setaria verticillata, solanum nigrum, sonchus oleraceus, stachys annua