fr, pas-de-calais, cirsium acaulon, poterium sanguisorba, leontodon hispidus, briza media, festuca ovina, lotus corniculatus, helictochloa pratensis, carex flacca, linum catharticum, koeleria macrantha, plantago lanceolata, scorzoneroides hispidula, scabiosa columbaria, thymus praecox, bromus erectus, pimpinella saxifraga, hippocrepis comosa, pilosella officinarum, brachypodium pinnatum, campanula rotundifolia, viola hirta, helianthemum nummularium, galium verum, plantago media, medicago lupulina, centaurea nemoralis, dactylis glomerata, jacobaea vulgaris, prunella vulgaris, ranunculus bulbosus, carex caryophyllea, centaurea nigra, festuca rubra, filipendula vulgaris, achillea millefolium, avenula pubescens, trifolium pratense, trisetum flavescens, centaurea scabiosa, polygala calcarea, anthyllis vulneraria, polygala vulgaris, primula veris, carlina vulgaris, galium mollugo, daucus carota, euphrasia nemorosa, origanum vulgare, campanula glomerata, trifolium repens