agrostis stolonifera, digitaria sanguinalis, mentha suaveolens, setaria viridis, bromus catharticus, calystegia sepium, cyperus eragrostis, echinochloa crus-galli, erigeron sumatrensis, paspalum dilatatum, persicaria maculosa, polygonum aviculare, sorghum halepense, verbena officinalis, amaranthus hybridus, bidens frondosa, chenopodium album, cichorium intybus, daucus carota, erigeron bonariensis, euphorbia maculata, helminthotheca echioides, lipandra polysperma, melilotus albus, plantago uliginosa, saponaria officinalis, setaria verticillata, solanum nigrum, sonchus asper, symphyotrichum squamatum