fr, pas-de-calais, brachypodium pinnatum, cirsium acaulon, leontodon hispidus, linum catharticum, briza media, carex flacca, poterium sanguisorba, scorzoneroides hispidula, viola hirta, hippocrepis comosa, lotus corniculatus, gymnadenia conopsea, festuca ovina, scabiosa columbaria, koeleria pyramidata, pimpinella saxifraga, pilosella officinarum, centaurea jacea, bromus erectus, helianthemum nummularium, carlina vulgaris, origanum vulgare, primula veris, galium pumilum, crataegus monogyna, hypericum perforatum, neottia ovata, centaurea scabiosa, polygala vulgaris, cornus sanguinea, genista tinctoria, achillea millefolium, campanula rotundifolia, agrimonia eupatoria, centaurea nemoralis, succisa pratensis, galium pusillum, quercus robur, plantago lanceolata, carex caryophyllea, gentianella germanica, polygala calcarea, ononis spinosa, thymus praecox, helictochloa pratensis, juniperus communis, medicago lupulina, prunus spinosa, bupleurum falcatum, solidago virgaurea