fr, pas-de-calais, brachypodium pinnatum, carex flacca, viburnum lantana, crataegus monogyna, cornus sanguinea, corylus avellana, leontodon hispidus, hedera helix, poterium sanguisorba, ligustrum vulgare, primula veris, scorzoneroides hispidula, hippocrepis comosa, viola hirta, fagus sylvatica, cirsium acaulon, origanum vulgare, solidago virgaurea, linum catharticum, briza media, fraxinus excelsior, neottia ovata, lotus corniculatus, polygala calcarea, festuca ovina, scabiosa columbaria, orchis purpurea, gymnadenia conopsea, sesleria caerulea, quercus robur, centaurea nemoralis, clematis vitalba, teucrium chamaedrys, bromus erectus, succisa pratensis, helianthemum nummularium, acer campestre, bupleurum falcatum, juniperus communis, rosa arvensis, thymus praecox, prunus spinosa, centaurea scabiosa, fragaria vesca, rhamnus cathartica, galium mollugo, hippomarathrum montanum, rosa blondaeana, frangula alnus, pilosella officinarum