polygonum aviculare, plantago major, euphorbia maculata, tragus racemosus, cynodon dactylon, convolvulus arvensis, elymus repens, eragrostis pilosa, erigeron canadensis, poa annua, taraxacum minimum, trifolium repens, artemisia vulgaris, chenopodium album, lactuca serriola, lolium perenne, medicago lupulina, oxalis stricta, poa compressa, setaria viridis, sisymbrium orientale, sonchus oleraceus