fr, pas-de-calais, carex flacca, centaurea nemoralis, briza media, brachypodium pinnatum, lotus corniculatus, danthonia decumbens, succisa pratensis, centaurea nigra, centaurea jacea, poterium sanguisorba, holcus lanatus, plantago lanceolata, festuca ovina, agrostis capillaris, potentilla erecta, leontodon hispidus, polygala vulgaris, hypochaeris radicata, linum catharticum, cirsium acaulon, stachys officinalis, pilosella officinarum, achillea millefolium, festuca rubra, anthoxanthum odoratum, prunella vulgaris, scorzoneroides hispidula, dactylis glomerata, genista tinctoria, blackstonia perfoliata, bromus erectus, primula veris, daucus carota, centaurium erythraea, trifolium pratense, calluna vulgaris, molinia caerulea, serratula tinctoria, carex caryophyllea, helianthemum nummularium, galium verum, carlina vulgaris, pimpinella saxifraga, hypericum perforatum, dactylorhiza maculata, arrhenatherum elatius, ranunculus bulbosus, crataegus monogyna, viola hirta, hippocrepis comosa