agrostis stolonifera, alopecurus geniculatus, holcus lanatus, elymus repens, glyceria maxima, oenanthe aquatica, persicaria hydropiper, poa trivialis, argentina anserina, bolboschoenus maritimus, glyceria fluitans, myosotis scorpioides, persicaria amphibia, phalaris arundinacea, ranunculus repens, sagittaria sagittifolia, juncus articulatus, sparganium erectum