be, arr. sint-niklaas, bidens frondosa, ludwigia grandiflora, crassula helmsii, lycopus europaeus, azolla filiculoides, lythrum salicaria, phragmites australis, lysimachia vulgaris, acorus calamus, solanum dulcamara, iris pseudacorus, elodea nuttallii, rumex hydrolapathum, glyceria maxima, persicaria hydropiper, lemna minor, galium palustre, urtica dioica, stachys palustris, sparganium erectum, rorippa amphibia, hydrocharis morsus-ranae, nuphar lutea, lemna minuta, nymphaea marliacea, epilobium hirsutum, juncus effusus, alisma plantago-aquatica, myriophyllum aquaticum, symphytum officinale, phalaris arundinacea, echinochloa crus-galli, eupatorium cannabinum, alnus glutinosa, epilobium ciliatum, calystegia sepium, persicaria amphibia, spirodela polyrhiza, myosotis scorpioides, typha latifolia, galinsoga quadriradiata, sagittaria sagittifolia, ranunculus repens, hottonia palustris, carex acuta, ranunculus sceleratus, hydrocotyle ranunculoides, equisetum fluviatile, scutellaria galericulata, cyperus eragrostis