agrostis stolonifera, rorippa sylvestris, persicaria mitis, cynodon dactylon, deschampsia cespitosa, persicaria lapathifolia, solidago gigantea, symphyotrichum lanceolatum, phalaris arundinacea, acer negundo, digitaria sanguinalis, setaria viridis, chenopodium album, echinochloa crus-galli, populus nigra