fr, pas-de-calais, ranunculus repens, lythrum salicaria, symphytum officinale, althaea officinalis, phalaris arundinacea, agrostis stolonifera, ludwigia grandiflora, poa trivialis, iris pseudacorus, phragmites australis, lycopus europaeus, calystegia sepium, lysimachia vulgaris, galium palustre, persicaria amphibia, cirsium arvense, urtica dioica, myosotis scorpioides, potentilla reptans, stachys palustris, epilobium hirsutum, pulicaria dysenterica, bidens frondosa, solanum dulcamara, holcus lanatus, trifolium repens, rumex crispus, cardamine pratensis, plantago major, alisma plantago-aquatica, rorippa amphibia, lolium perenne, lysimachia nummularia, eleocharis palustris, thalictrum flavum, filipendula ulmaria, plantago lanceolata, ranunculus acris, glyceria maxima, persicaria hydropiper, silene flos-cuculi, butomus umbellatus, eupatorium cannabinum, galega officinalis, glechoma hederacea, geranium dissectum, argentina anserina, carex riparia, alopecurus geniculatus, achillea ptarmica