fr, pas-de-calais, eleocharis palustris, galium palustre, agrostis stolonifera, lythrum salicaria, phragmites australis, lycopus europaeus, persicaria amphibia, alisma plantago-aquatica, iris pseudacorus, phalaris arundinacea, oenanthe fistulosa, lysimachia vulgaris, ranunculus repens, althaea officinalis, ludwigia grandiflora, bolboschoenus maritimus, lemna minor, rorippa amphibia, myosotis scorpioides, calystegia sepium, glyceria maxima, ranunculus flammula, carex riparia, sparganium erectum, ranunculus sceleratus, glyceria fluitans, butomus umbellatus, stachys palustris, poa trivialis, argentina anserina, alopecurus geniculatus, typha angustifolia, juncus articulatus, rumex crispus, rumex hydrolapathum, hydrocotyle vulgaris, epilobium hirsutum, schoenoplectus lacustris, persicaria hydropiper, juncus effusus, bidens frondosa, solanum dulcamara, mentha aquatica, cirsium arvense, bidens tripartita, cardamine pratensis, typha latifolia, rumex conglomeratus, scutellaria galericulata, myosotis laxa