Beds of water crowfoots, pondweeds, water starworts and other aquatic vegetation of streams comprising in particular Butomus umbellatus f. valisneriifolius, Callitriche cophocarpa, C. hamulata, C. obtusangula, C. stagnatilis, Groenlandia densa, Potamogeton coloratus, P. helveticus, P. natans var. prolixus, P. nodosus, Ranunculus fluitans, R. penicillatus, R. trichophyllus, Sagittaria sagittifolia var. vallisneriifolia, Schoenoplectus lacustris var. fluitans, Sparganium emersum ssp. fluitans. For fringing vegetation use codes of 53.