elodea nuttallii, chara vulgaris, agrostis stolonifera, equisetum fluviatile, glyceria maxima, alopecurus geniculatus, glyceria fluitans, juncus articulatus, myosotis scorpioides, ranunculus circinatus, ranunculus sceleratus, sagittaria sagittifolia, spirodela polyrhiza, persicaria amphibia