fr, pas-de-calais, brachypodium pinnatum, poterium sanguisorba, origanum vulgare, hippocrepis comosa, festuca ovina, bromus erectus, cirsium acaulon, carex flacca, centaurea scabiosa, crataegus monogyna, pilosella officinarum, briza media, helianthemum nummularium, scabiosa columbaria, linum catharticum, lotus corniculatus, viola hirta, cornus sanguinea, primula veris, leontodon hispidus, orchis purpurea, pimpinella saxifraga, polygala calcarea, hypericum perforatum, viburnum lantana, teucrium chamaedrys, achillea millefolium, carlina vulgaris, dactylis glomerata, galium pumilum, scorzoneroides hispidula, prunus spinosa, agrimonia eupatoria, thymus praecox, bupleurum falcatum, ligustrum vulgare, knautia arvensis, plantago lanceolata, eryngium campestre, centaurea nemoralis, clematis vitalba, centaurea nigra, galium mollugo, arrhenatherum elatius, medicago lupulina, blackstonia perfoliata, hedera helix, centaurea jacea, daucus carota, corylus avellana