agrostis stolonifera, alopecurus geniculatus, butomus umbellatus, ceratophyllum demersum, elodea nuttallii, glyceria fluitans, glyceria maxima, juncus articulatus, lemna trisulca, myriophyllum verticillatum, oenanthe fistulosa, ranunculus circinatus, ranunculus repens, spirodela polyrhiza