nl, oost-zuid-holland, agrostis stolonifera, glyceria fluitans, glyceria maxima, lemna trisulca, spirodela polyrhiza, ranunculus repens, sparganium erectum, ceratophyllum demersum, myosotis scorpioides, poa trivialis, phalaris arundinacea, rorippa amphibia, elodea nuttallii, persicaria amphibia, oenanthe fistulosa, eleocharis palustris, galium palustre, equisetum fluviatile, holcus lanatus, hydrocharis morsus-ranae, butomus umbellatus, ranunculus circinatus, lemna minor, alopecurus geniculatus, trifolium repens, cardamine pratensis, nuphar lutea, persicaria hydropiper, ranunculus sceleratus, lemna gibba, sagittaria sagittifolia, phragmites australis, juncus articulatus, potamogeton pusillus, stratiotes aloides, alisma plantago-aquatica, lolium perenne, rumex acetosa, juncus effusus, berula erecta, elodea canadensis, ranunculus flammula, wolffia arrhiza, ranunculus acris, potamogeton natans, myriophyllum spicatum, rumex hydrolapathum, acorus calamus, stuckenia pectinata, carex acuta