be, arr. mechelen, lemna minor, glyceria maxima, agrostis stolonifera, stuckenia pectinata, persicaria amphibia, phalaris arundinacea, rorippa amphibia, eleocharis palustris, alisma plantago-aquatica, persicaria hydropiper, elodea nuttallii, elodea canadensis, spirodela polyrhiza, myosotis scorpioides, sagittaria sagittifolia, oenanthe aquatica, myriophyllum spicatum, potamogeton pusillus, phragmites australis, gnaphalium uliginosum, ranunculus sceleratus, rorippa palustris, alopecurus geniculatus, glyceria fluitans, ranunculus repens, butomus umbellatus, persicaria lapathifolia, lythrum salicaria, sparganium erectum, bidens frondosa, galium palustre, ceratophyllum demersum, potamogeton natans, poa trivialis, potamogeton perfoliatus, bidens tripartita, hydrocharis morsus-ranae, lemna trisulca, potamogeton lucens, nuphar lutea, juncus articulatus, potamogeton trichoides, lycopus europaeus, potamogeton crispus, zannichellia palustris, sparganium emersum, carex acuta, equisetum fluviatile, poa annua, schoenoplectus lacustris