herniaria hirsuta, plantago major, erigeron canadensis, trifolium repens, lolium perenne, medicago lupulina, poa annua, polygonum aviculare, taraxacum minimum, amaranthus retroflexus, artemisia annua, artemisia vulgaris, chenopodium album, cichorium intybus, echinochloa crus-galli, eragrostis minor, lactuca serriola, setaria verticillata, setaria viridis, sonchus oleraceus