be, arr. oostende, agrostis stolonifera, ranunculus repens, poa trivialis, alopecurus geniculatus, ranunculus sceleratus, bolboschoenus maritimus, eleocharis palustris, trifolium repens, glyceria fluitans, lolium perenne, phragmites australis, persicaria amphibia, cirsium arvense, glyceria maxima, plantago major, elymus repens, juncus articulatus, lemna minor, poa annua, holcus lanatus, stuckenia pectinata, phalaris arundinacea, helosciadium nodiflorum, argentina anserina, rumex crispus, oenanthe fistulosa, cardamine pratensis, juncus bufonius, apium nodiflorum, persicaria hydropiper, carex hirta, rumex conglomeratus, alisma plantago-aquatica, myosotis scorpioides, sparganium erectum, polygonum aviculare, zannichellia palustris, veronica catenata, lemna trisulca, butomus umbellatus, bellis perennis, stellaria media, elodea nuttallii, galium palustre, urtica dioica, trifolium fragiferum, atriplex prostrata, potamogeton pusillus, phleum pratense, spirodela polyrhiza