lolium perenne, plantago major, medicago lupulina, trifolium repens, chenopodium album, dactylis glomerata, echinochloa crus-galli, erigeron canadensis, plantago lanceolata, poa annua, polygonum aviculare, setaria pumila, sonchus asper, taraxacum minimum, verbena officinalis, chenopodium vulvaria, lysimachia arvensis