agrostis stolonifera, glyceria fluitans, persicaria hydropiper, bolboschoenus maritimus, elymus repens, holcus lanatus, poa trivialis, alisma plantago-aquatica, oenanthe aquatica, sparganium erectum, hydrocharis morsus-ranae, juncus articulatus, lolium perenne, butomus umbellatus, persicaria amphibia, rorippa amphibia, sagittaria sagittifolia, polygonum aviculare