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