fr, pas-de-calais, quercus robur, corylus avellana, crataegus monogyna, hedera helix, fraxinus excelsior, fagus sylvatica, cornus sanguinea, teucrium scorodonia, lonicera periclymenum, acer pseudoplatanus, brachypodium pinnatum, primula veris, carex flacca, viola hirta, fragaria vesca, poterium sanguisorba, prunus avium, origanum vulgare, solidago virgaurea, viola riviniana, betula pendula, rosa blondaeana, mercurialis perennis, centaurea nemoralis, lotus corniculatus, betula pubescens, clematis vitalba, ligustrum vulgare, dactylis glomerata, prunus spinosa, pimpinella saxifraga, festuca ovina, arum maculatum, anemone nemorosa, pteridium aquilinum, achillea millefolium, arrhenatherum elatius, neottia ovata, acer campestre, brachypodium sylvaticum, viburnum lantana, sorbus aucuparia, hyacinthoides non-scripta, leontodon hispidus, holcus lanatus, quercus petraea, polygonatum multiflorum, rosa canina, carpinus betulus, euphorbia amygdaloides