fr, pas-de-calais, ranunculus repens, agrostis stolonifera, eleocharis palustris, poa trivialis, oenanthe fistulosa, galium palustre, persicaria amphibia, trifolium repens, phalaris arundinacea, lysimachia nummularia, argentina anserina, glyceria fluitans, lolium perenne, rumex crispus, potentilla reptans, myosotis scorpioides, carex vulpina, alopecurus geniculatus, ranunculus flammula, trifolium fragiferum, cardamine pratensis, carex hirta, ranunculus acris, althaea officinalis, plantago major, iris pseudacorus, jacobaea aquatica, holcus lanatus, lythrum salicaria, alopecurus pratensis, carex disticha, elymus repens, silene flos-cuculi, scorzoneroides autumnalis, plantago lanceolata, glyceria maxima, alisma plantago-aquatica, juncus articulatus, carex acuta, symphytum officinale, phragmites australis, trifolium pratense, rumex acetosa, eleocharis uniglumis, lycopus europaeus, cirsium arvense, lysimachia vulgaris, juncus effusus, lolium pratense, rumex conglomeratus