be, arr. oostende, agrostis stolonifera, eleocharis palustris, bolboschoenus maritimus, ranunculus sceleratus, ranunculus repens, phragmites australis, helosciadium nodiflorum, persicaria amphibia, poa trivialis, alopecurus geniculatus, apium nodiflorum, lemna minor, trifolium repens, juncus articulatus, glyceria fluitans, oenanthe fistulosa, argentina anserina, alisma plantago-aquatica, rumex conglomeratus, juncus bufonius, glyceria maxima, rumex crispus, sparganium erectum, galium palustre, epilobium hirsutum, schoenoplectus tabernaemontani, cirsium arvense, lolium perenne, plantago major, glyceria notata, phalaris arundinacea, holcus lanatus, trifolium fragiferum, stuckenia pectinata, lycopus europaeus, cardamine pratensis, myosotis laxa, veronica catenata, carex hirta, juncus gerardii, carex riparia, myosotis scorpioides, epilobium parviflorum, juncus effusus, lemna trisulca, eleocharis uniglumis, berula erecta, typha latifolia, atriplex prostrata, persicaria hydropiper