fr, pas-de-calais, poterium sanguisorba, lotus corniculatus, brachypodium pinnatum, leontodon hispidus, plantago lanceolata, briza media, pilosella officinarum, thymus praecox, hippocrepis comosa, linum catharticum, cirsium acaulon, jacobaea vulgaris, festuca ovina, blackstonia perfoliata, carex flacca, bromus erectus, dactylis glomerata, medicago lupulina, galium verum, anacamptis pyramidalis, centaurea scabiosa, achillea millefolium, scabiosa columbaria, scorzoneroides hispidula, pimpinella saxifraga, ranunculus bulbosus, centaurea nigra, plantago media, carlina vulgaris, koeleria macrantha, reseda lutea, prunella vulgaris, helianthemum nummularium, helictochloa pratensis, trifolium pratense, daucus carota, origanum vulgare, campanula rotundifolia, onobrychis viciifolia, anthyllis vulneraria, ononis spinosa, centaurea nemoralis, festuca rubra, viola hirta, trisetum flavescens, eryngium campestre, arrhenatherum elatius, ophrys apifera, primula veris, filipendula vulgaris