be, arr. oostende, agrostis stolonifera, eleocharis palustris, helosciadium nodiflorum, apium nodiflorum, alopecurus geniculatus, ranunculus repens, bolboschoenus maritimus, trifolium repens, oenanthe fistulosa, poa trivialis, trifolium fragiferum, lolium perenne, juncus articulatus, glyceria fluitans, ranunculus sceleratus, persicaria amphibia, glyceria notata, juncus gerardii, argentina anserina, ranunculus sardous, rumex crispus, juncus bufonius, phragmites australis, eleocharis uniglumis, plantago major, holcus lanatus, rumex conglomeratus, elymus repens, lemna minor, bellis perennis, galium palustre, cirsium arvense, poa annua, myosotis laxa, juncus inflexus, alisma plantago-aquatica, ranunculus flammula, scorzoneroides autumnalis, jacobaea aquatica, hordeum secalinum, cardamine pratensis, cynosurus cristatus, nasturtium officinale, atriplex prostrata, carex hirta, triglochin palustris, juncus effusus, sparganium erectum, cotula coronopifolia, schoenoplectus tabernaemontani