fr, pas-de-calais, eleocharis palustris, agrostis stolonifera, oenanthe fistulosa, ranunculus repens, persicaria amphibia, galium palustre, glyceria fluitans, poa trivialis, myosotis scorpioides, phalaris arundinacea, juncus articulatus, rumex crispus, glyceria maxima, alopecurus geniculatus, argentina anserina, carex hirta, rumex conglomeratus, carex disticha, phragmites australis, iris pseudacorus, trifolium repens, alisma plantago-aquatica, ranunculus flammula, lythrum salicaria, lysimachia nummularia, carex riparia, cardamine pratensis, bolboschoenus maritimus, carex vulpina, carex acuta, juncus effusus, rorippa amphibia, eleocharis uniglumis, apium nodiflorum, helosciadium nodiflorum, lycopus europaeus, trifolium fragiferum, equisetum palustre, plantago major, sparganium erectum, jacobaea aquatica, juncus inflexus, lolium perenne, potentilla reptans, glyceria notata, lemna minor, holcus lanatus, lysimachia vulgaris, equisetum fluviatile, myosotis laxa