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