be, arr. oostende, apium nodiflorum, eleocharis palustris, helosciadium nodiflorum, oenanthe fistulosa, agrostis stolonifera, bolboschoenus maritimus, persicaria amphibia, glyceria notata, lemna minor, juncus articulatus, glyceria fluitans, ranunculus sceleratus, galium palustre, alisma plantago-aquatica, phragmites australis, sparganium erectum, rumex conglomeratus, alopecurus geniculatus, ranunculus repens, nasturtium officinale, ranunculus trichophyllus, veronica catenata, schoenoplectus lacustris, glyceria maxima, eleocharis uniglumis, poa trivialis, myosotis laxa, schoenoplectus tabernaemontani, trifolium fragiferum, stuckenia pectinata, potamogeton natans, rumex crispus, trifolium repens, myosotis scorpioides, hippuris vulgaris, ranunculus flammula, myriophyllum spicatum, rorippa amphibia, equisetum fluviatile, argentina anserina, phalaris arundinacea, juncus bufonius, typha angustifolia, ceratophyllum demersum, lemna trisulca, zannichellia palustris, iris pseudacorus, jacobaea aquatica, ranunculus aquatilis, carex riparia