fr, pas-de-calais, holcus lanatus, ranunculus repens, poa trivialis, ranunculus acris, rumex acetosa, plantago lanceolata, lolium perenne, trifolium repens, agrostis stolonifera, cirsium arvense, dactylis glomerata, arrhenatherum elatius, trifolium pratense, urtica dioica, anthoxanthum odoratum, cerastium fontanum, cardamine pratensis, filipendula ulmaria, phleum pratense, festuca rubra, cynosurus cristatus, heracleum sphondylium, alopecurus pratensis, lathyrus pratensis, rumex crispus, lolium pratense, cirsium palustre, silene flos-cuculi, centaurea nigra, achillea millefolium, juncus effusus, lotus pedunculatus, bellis perennis, potentilla reptans, juncus subnodulosus, galium aparine, vicia cracca, cerastium holosteoides, poa pratensis, persicaria amphibia, symphytum officinale, centaurea nemoralis, lythrum salicaria, prunella vulgaris, plantago major, bromus hordeaceus, agrostis capillaris, galium palustre, phalaris arundinacea, elymus repens