glyceria maxima, rorippa amphibia, acorus calamus, iris pseudacorus, phalaris arundinacea, poa palustris, poa trivialis, mentha aquatica, persicaria maculosa, scutellaria galericulata, lemna minor, oenanthe aquatica, ranunculus repens, ranunculus sceleratus, sagittaria sagittifolia, spirodela polyrhiza