fr, pas-de-calais, ranunculus repens, holcus lanatus, ranunculus acris, trifolium repens, rumex acetosa, agrostis stolonifera, plantago lanceolata, poa trivialis, lotus pedunculatus, silene flos-cuculi, juncus subnodulosus, ranunculus flammula, juncus effusus, cynosurus cristatus, trifolium pratense, anthoxanthum odoratum, lolium perenne, pulicaria dysenterica, festuca rubra, cardamine pratensis, cirsium palustre, prunella vulgaris, galium palustre, cirsium arvense, filipendula ulmaria, carex hirta, lathyrus pratensis, argentina anserina, iris pseudacorus, lythrum salicaria, centaurea nigra, bellis perennis, arrhenatherum elatius, dactylis glomerata, epilobium hirsutum, juncus inflexus, urtica dioica, oenanthe crocata, achillea millefolium, agrostis capillaris, heracleum sphondylium, glyceria fluitans, eleocharis palustris, cerastium fontanum, rumex crispus, persicaria amphibia, potentilla reptans, hydrocotyle vulgaris, phragmites australis, lycopus europaeus