fr, pas-de-calais, carex flacca, brachypodium pinnatum, crataegus monogyna, cornus sanguinea, corylus avellana, poterium sanguisorba, cirsium acaulon, origanum vulgare, hedera helix, festuca ovina, ligustrum vulgare, solidago virgaurea, leontodon hispidus, fagus sylvatica, viburnum lantana, hippocrepis comosa, fragaria vesca, fraxinus excelsior, viola hirta, neottia ovata, primula veris, clematis vitalba, dactylis glomerata, prunus avium, centaurea scabiosa, quercus robur, lotus corniculatus, polygala calcarea, prunus spinosa, betula pendula, orchis purpurea, scorzoneroides hispidula, pimpinella saxifraga, linum catharticum, acer pseudoplatanus, briza media, scabiosa columbaria, brachypodium sylvaticum, galium mollugo, bromus erectus, pilosella officinarum, centaurea nemoralis, centaurea nigra, rosa canina, pinus sylvestris, gymnadenia conopsea, galium pumilum, hypericum perforatum, galium pusillum, juniperus communis