polygonum aviculare, portulaca oleracea, amaranthus albus, digitaria sanguinalis, eragrostis minor, plantago major, artemisia vulgaris, erigeron canadensis, setaria viridis, amaranthus retroflexus, chenopodium album, cichorium intybus, convolvulus arvensis, daucus carota, sonchus oleraceus, taraxacum minimum