trifolium repens, alopecurus geniculatus, lolium perenne, persicaria hydropiper, persicaria maculosa, phleum pratense, poa annua, poa trivialis, echinochloa crus-galli, gnaphalium uliginosum, persicaria lapathifolia, stellaria media, glyceria fluitans, juncus bufonius, ranunculus repens, bidens tripartita, chenopodium album, lotus pedunculatus, rorippa palustris