butomus umbellatus, rubia tatarica, polygonum arenarium, alisma plantago-aquatica, althaea officinalis, bolboschoenus maritimus, inula britannica, oenanthe aquatica, persicaria amphibia, persicaria minor, potamogeton lucens, rumex stenophyllus, sparganium erectum, stachys palustris, thalictrum flavum, xanthium strumarium