agrostis stolonifera, glyceria fluitans, alopecurus geniculatus, poa trivialis, holcus lanatus, lolium perenne, oenanthe fistulosa, persicaria hydropiper, phalaris arundinacea, alopecurus pratensis, berula erecta, equisetum fluviatile, equisetum palustre, glyceria maxima, myosotis scorpioides, persicaria amphibia, ranunculus repens, spirodela polyrhiza, stellaria media, polygonum aviculare, ranunculus sceleratus, sagittaria sagittifolia