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