fr, pas-de-calais, fagus sylvatica, carpinus betulus, hedera helix, lonicera periclymenum, quercus robur, quercus petraea, carex sylvatica, fraxinus excelsior, corylus avellana, ilex aquifolium, euphorbia amygdaloides, hyacinthoides non-scripta, dryopteris filix-mas, pteridium aquilinum, arum maculatum, dryopteris carthusiana, crataegus monogyna, circaea lutetiana, lamium galeobdolon, anemone nemorosa, acer campestre, viola reichenbachiana, milium effusum, betula pendula, luzula pilosa, polygonatum multiflorum, rosa arvensis, teucrium scorodonia, oxalis acetosella, betula pubescens, melica uniflora, acer pseudoplatanus, mercurialis perennis, prunus avium, deschampsia flexuosa, fragaria vesca, avenella flexuosa, athyrium filix-femina, holcus mollis, galium odoratum, brachypodium sylvaticum, deschampsia cespitosa, geum urbanum, ajuga reptans, ligustrum vulgare, crataegus laevigata, castanea sativa, carex pilulifera, torminalis glaberrima, rabelera holostea