fr, pas-de-calais, lemna minor, sparganium erectum, lythrum salicaria, lycopus europaeus, solanum dulcamara, phalaris arundinacea, epilobium hirsutum, alisma plantago-aquatica, phragmites australis, iris pseudacorus, calystegia sepium, glyceria maxima, urtica dioica, nuphar lutea, myosotis scorpioides, rorippa amphibia, spirodela polyrhiza, typha latifolia, persicaria amphibia, sparganium emersum, ceratophyllum demersum, lysimachia vulgaris, ranunculus repens, sagittaria sagittifolia, galium palustre, nasturtium officinale, potamogeton natans, persicaria hydropiper, equisetum fluviatile, eleocharis palustris, potamogeton crispus, glyceria fluitans, helosciadium nodiflorum, butomus umbellatus, elodea canadensis, lemna trisulca, agrostis stolonifera, juncus effusus, ranunculus sceleratus, carex acuta, apium nodiflorum, salix alba, hydrocharis morsus-ranae, typha angustifolia, oenanthe aquatica, veronica beccabunga, rumex hydrolapathum, poa trivialis, berula erecta, equisetum palustre