fr, pas-de-calais, lythrum salicaria, althaea officinalis, ranunculus repens, poa trivialis, potentilla reptans, iris pseudacorus, phalaris arundinacea, agrostis stolonifera, symphytum officinale, fritillaria meleagris, butomus umbellatus, calystegia sepium, urtica dioica, solanum dulcamara, sparganium erectum, cardamine pratensis, trifolium repens, lysimachia nummularia, persicaria amphibia, salix alba, heracleum sphondylium, epilobium hirsutum, nuphar lutea, filipendula ulmaria, cirsium arvense, ranunculus acris, rumex crispus, glechoma hederacea, geranium dissectum, convolvulus arvensis, lycopus europaeus, myosotis scorpioides, phragmites australis, lolium perenne, alopecurus pratensis, lemna minor, alisma plantago-aquatica, taxodium distichum, plantago major, cruciata laevipes, eleocharis palustris, humulus lupulus, galium palustre, holcus lanatus, lysimachia vulgaris, arrhenatherum elatius, rorippa amphibia, stachys palustris, galium aparine, plantago lanceolata