xanthium orientale, plantago uliginosa, atriplex prostrata, bidens radiata, gnaphalium uliginosum, rorippa sylvestris, agrostis stolonifera, bidens frondosa, bidens tripartita, carex acuta, erysimum cheiranthoides, juncus compressus, lythrum salicaria, phalaris arundinacea, rorippa amphibia, sonchus asper, oxybasis rubra, persicaria lapathifolia, stachys palustris, stellaria aquatica