fr, pas-de-calais, brachypodium pinnatum, poterium sanguisorba, leontodon hispidus, origanum vulgare, briza media, pimpinella saxifraga, lotus corniculatus, scabiosa columbaria, cirsium acaulon, linum catharticum, scorzoneroides hispidula, pilosella officinarum, achillea millefolium, centaurea scabiosa, carex flacca, festuca ovina, plantago lanceolata, viola hirta, bromus erectus, medicago lupulina, daucus carota, dactylis glomerata, crataegus monogyna, hypericum perforatum, hippocrepis comosa, carlina vulgaris, ranunculus bulbosus, campanula rotundifolia, helictochloa pratensis, centaurea jacea, ononis spinosa, knautia arvensis, primula veris, trisetum flavescens, arrhenatherum elatius, koeleria pyramidata, polygala vulgaris, helianthemum nummularium, centaurea nemoralis, galium pumilum, thymus praecox, jacobaea vulgaris, galium mollugo, thymus pulegioides, agrimonia eupatoria, plantago media, polygala calcarea, trifolium pratense, avenula pubescens, galium pusillum