fr, pas-de-calais, plantago lanceolata, centaurea jacea, arrhenatherum elatius, holcus lanatus, poa trivialis, dactylis glomerata, agrostis stolonifera, ranunculus repens, potentilla reptans, trifolium pratense, ranunculus acris, lotus corniculatus, festuca rubra, trifolium repens, lathyrus pratensis, symphytum officinale, achillea millefolium, poa pratensis, rumex acetosa, medicago lupulina, vicia cracca, cirsium arvense, daucus carota, briza media, heracleum sphondylium, galium verum, lolium pratense, carex flacca, lythrum salicaria, prunella vulgaris, calystegia sepium, galium mollugo, equisetum arvense, lolium perenne, agrimonia eupatoria, phragmites australis, jacobaea vulgaris, pulicaria dysenterica, convolvulus arvensis, rhinanthus minor, leontodon hispidus, rumex crispus, cerastium holosteoides, lysimachia nummularia, phleum pratense, colchicum autumnale, silaum silaus, crepis biennis, vicia sativa, poterium sanguisorba