be, arr. oostende, phragmites australis, agrostis stolonifera, ranunculus repens, poa trivialis, phalaris arundinacea, cirsium arvense, persicaria amphibia, epilobium hirsutum, symphytum officinale, calystegia sepium, iris pseudacorus, urtica dioica, elodea nuttallii, lythrum salicaria, glyceria maxima, althaea officinalis, lemna minor, butomus umbellatus, lolium perenne, carex riparia, trifolium repens, holcus lanatus, elymus repens, stachys palustris, lycopus europaeus, bolboschoenus maritimus, alisma plantago-aquatica, sparganium erectum, solanum dulcamara, cardamine pratensis, lemna trisulca, ceratophyllum demersum, eleocharis palustris, stuckenia pectinata, ranunculus sceleratus, argentina anserina, ranunculus acris, pulicaria dysenterica, valeriana officinalis, spirodela polyrhiza, galium palustre, rumex crispus, rumex hydrolapathum, plantago lanceolata, plantago major, rorippa amphibia, glechoma hederacea, dactylis glomerata, equisetum palustre, galium aparine