fr, pas-de-calais, brachypodium pinnatum, origanum vulgare, poterium sanguisorba, leontodon hispidus, carex flacca, cornus sanguinea, briza media, viola hirta, crataegus monogyna, scorzoneroides hispidula, quercus robur, primula veris, linum catharticum, cirsium acaulon, lotus corniculatus, corylus avellana, pimpinella saxifraga, centaurea nemoralis, hippocrepis comosa, scabiosa columbaria, hedera helix, hypericum perforatum, bromus erectus, festuca ovina, neottia ovata, centaurea scabiosa, achillea millefolium, centaurea nigra, helianthemum nummularium, clematis vitalba, viburnum lantana, agrimonia eupatoria, ligustrum vulgare, centaurea jacea, fragaria vesca, dactylis glomerata, solidago virgaurea, succisa pratensis, polygala vulgaris, pilosella officinarum, gymnadenia conopsea, arrhenatherum elatius, daucus carota, galium pumilum, medicago lupulina, galium mollugo, prunus spinosa, polygala calcarea, plantago lanceolata, fraxinus excelsior