fr, pas-de-calais, potentilla reptans, centaurea jacea, agrostis stolonifera, plantago lanceolata, galium verum, lotus corniculatus, phragmites australis, pulicaria dysenterica, lythrum salicaria, ranunculus acris, dactylis glomerata, festuca rubra, holcus lanatus, ranunculus repens, achillea millefolium, daucus carota, trifolium pratense, calystegia sepium, arrhenatherum elatius, cirsium arvense, vicia cracca, trifolium repens, prunella vulgaris, poa trivialis, althaea officinalis, lysimachia vulgaris, convolvulus arvensis, carex flacca, symphytum officinale, briza media, equisetum arvense, pastinaca sativa, medicago lupulina, galium mollugo, elymus repens, sanguisorba officinalis, silaum silaus, rubus caesius, plantago major, lathyrus pratensis, poa pratensis, leontodon hispidus, anthoxanthum odoratum, eupatorium cannabinum, argentina anserina, succisa pratensis, lolium perenne, molinia caerulea, ononis spinosa, iris pseudacorus