paspalum dilatatum, symphyotrichum squamatum, agrostis stolonifera, dactylis glomerata, erigeron canadensis, paspalum distichum, setaria pumila, bromus catharticus, cyperus eragrostis, daucus carota, echinochloa crus-galli, elymus repens, lolium arundinaceum, malva sylvestris, arctium minus, bidens aurea, dipsacus fullonum, erigeron floribundus, helminthotheca echioides, piptatherum miliaceum, plantago lanceolata, rumex crispus, solanum nigrum, sonchus oleraceus, verbena officinalis