glyceria maxima, poa trivialis, sparganium erectum, agrostis stolonifera, cardamine flexuosa, alisma plantago-aquatica, cardamine pratensis, equisetum fluviatile, glechoma hederacea, oenanthe aquatica, phalaris arundinacea, ranunculus repens, urtica dioica, persicaria amphibia, persicaria hydropiper