fr, pas-de-calais, althaea officinalis, symphytum officinale, iris pseudacorus, lythrum salicaria, ranunculus repens, fritillaria meleagris, cardamine pratensis, poa trivialis, filipendula ulmaria, lysimachia nummularia, potentilla reptans, lysimachia vulgaris, pulicaria dysenterica, agrostis stolonifera, galium palustre, silene flos-cuculi, phalaris arundinacea, calystegia sepium, holcus lanatus, lycopus europaeus, phragmites australis, ranunculus acris, ranunculus flammula, cirsium arvense, eupatorium cannabinum, oenanthe crocata, epilobium hirsutum, urtica dioica, persicaria amphibia, stachys palustris, trifolium repens, solanum dulcamara, juncus subnodulosus, achillea ptarmica, heracleum sphondylium, argentina anserina, carex riparia, plantago major, centaurea nigra, lathyrus pratensis, myosotis scorpioides, plantago lanceolata, vicia cracca, oenanthe fistulosa, prunella vulgaris, galium aparine, rumex crispus, rumex acetosa, geranium dissectum, mentha aquatica