fr, pas-de-calais, lemna minor, nuphar lutea, ceratophyllum demersum, myriophyllum spicatum, nymphaea alba, elodea canadensis, hydrocharis morsus-ranae, sparganium erectum, spirodela polyrhiza, stuckenia pectinata, lemna trisulca, rorippa amphibia, potamogeton natans, phragmites australis, potamogeton crispus, schoenoplectus lacustris, potamogeton lucens, sparganium emersum, typha angustifolia, alisma plantago-aquatica, sagittaria sagittifolia, lythrum salicaria, persicaria amphibia, ranunculus circinatus, myriophyllum verticillatum, glyceria maxima, iris pseudacorus, lycopus europaeus, equisetum fluviatile, myosotis scorpioides, galium palustre, eleocharis palustris, butomus umbellatus, lysimachia vulgaris, utricularia vulgaris, azolla filiculoides, rumex hydrolapathum, lemna gibba, typha latifolia, phalaris arundinacea, solanum dulcamara, utricularia australis, potamogeton berchtoldii, hottonia palustris, oenanthe aquatica, potamogeton trichoides, trapa natans, callitriche obtusangula, hippuris vulgaris, berula erecta