agrostis stolonifera, alopecurus geniculatus, bidens cernuus, butomus umbellatus, ceratophyllum demersum, eleocharis palustris, elodea nuttallii, glyceria fluitans, juncus articulatus, lemna trisulca, nymphoides peltata, oenanthe fistulosa, potamogeton friesii, ranunculus circinatus, ranunculus sceleratus