digitaria sanguinalis, euphorbia maculata, panicum dichotomiflorum, bryum argenteum, barbula unguiculata, setaria pumila, setaria viridis, daucus carota, echinochloa crus-galli, elymus repens, eragrostis minor, erigeron annuus, medicago lupulina, plantago lanceolata, plantago major, setaria faberi, convolvulus arvensis, trifolium pratense