fr, pas-de-calais, crassula helmsii, ludwigia grandiflora, phragmites australis, cladium mariscus, lythrum salicaria, hydrocotyle vulgaris, juncus subnodulosus, lycopus europaeus, potamogeton natans, typha angustifolia, lysimachia vulgaris, eupatorium cannabinum, utricularia vulgaris, baldellia ranunculoides, galium palustre, mentha aquatica, eleocharis palustris, nuphar lutea, iris pseudacorus, elodea canadensis, schoenoplectus lacustris, myriophyllum spicatum, pulicaria dysenterica, nymphaea alba, alisma plantago-aquatica, rumex hydrolapathum, hydrocharis morsus-ranae, sparganium erectum, samolus valerandi, solanum dulcamara, epilobium hirsutum, carex elata, typha latifolia, calystegia sepium, ceratophyllum demersum, scutellaria galericulata, agrostis stolonifera, persicaria amphibia, stuckenia pectinata, ranunculus flammula, hippuris vulgaris, lemna trisulca, equisetum fluviatile, apium nodiflorum, utricularia australis, equisetum palustre, oenanthe fistulosa, elodea nuttallii, juncus articulatus, epipactis palustris