be, arr. oostende, eleocharis palustris, agrostis stolonifera, helosciadium nodiflorum, apium nodiflorum, bolboschoenus maritimus, ranunculus sceleratus, lemna minor, persicaria amphibia, cotula coronopifolia, oenanthe fistulosa, alisma plantago-aquatica, phragmites australis, ranunculus repens, alopecurus geniculatus, sparganium erectum, glyceria maxima, galium palustre, butomus umbellatus, glyceria fluitans, glyceria notata, poa trivialis, potamogeton natans, phalaris arundinacea, veronica catenata, nasturtium officinale, epilobium hirsutum, myosotis scorpioides, stuckenia pectinata, rumex crispus, lemna trisulca, lycopus europaeus, schoenoplectus tabernaemontani, juncus articulatus, myosotis laxa, rumex conglomeratus, hippuris vulgaris, ceratophyllum demersum, argentina anserina, persicaria hydropiper, hydrocharis morsus-ranae, cirsium arvense, trifolium repens, juncus bufonius, spirodela polyrhiza, iris pseudacorus, rorippa amphibia, ranunculus flammula, elodea canadensis, typha latifolia, typha angustifolia