fr, pas-de-calais, lemna minor, nuphar lutea, elodea canadensis, sparganium erectum, potamogeton natans, phragmites australis, ceratophyllum demersum, hydrocharis morsus-ranae, lemna trisulca, stuckenia pectinata, alisma plantago-aquatica, spirodela polyrhiza, myriophyllum spicatum, persicaria amphibia, lycopus europaeus, typha angustifolia, potamogeton crispus, glyceria maxima, lythrum salicaria, butomus umbellatus, sparganium emersum, sagittaria sagittifolia, eleocharis palustris, typha latifolia, nymphaea alba, rumex hydrolapathum, elodea nuttallii, rorippa amphibia, iris pseudacorus, lemna gibba, phalaris arundinacea, schoenoplectus lacustris, epilobium hirsutum, solanum dulcamara, myosotis scorpioides, equisetum fluviatile, azolla filiculoides, galium palustre, lysimachia vulgaris, ranunculus sceleratus, ranunculus circinatus, potamogeton berchtoldii, hottonia palustris, ludwigia grandiflora, berula erecta, potamogeton lucens, glyceria fluitans, bidens frondosa, acorus calamus, agrostis stolonifera