fr, pas-de-calais, fagus sylvatica, hedera helix, carpinus betulus, hyacinthoides non-scripta, carex sylvatica, lonicera periclymenum, ilex aquifolium, fraxinus excelsior, euphorbia amygdaloides, quercus robur, acer campestre, milium effusum, corylus avellana, anemone nemorosa, quercus petraea, arum maculatum, melica uniflora, dryopteris filix-mas, mercurialis perennis, crataegus monogyna, acer pseudoplatanus, prunus avium, polygonatum multiflorum, viola reichenbachiana, lamium galeobdolon, galium odoratum, rosa arvensis, dryopteris carthusiana, torminalis glaberrima, brachypodium sylvaticum, ligustrum vulgare, luzula pilosa, circaea lutetiana, pteridium aquilinum, betula pendula, avenella flexuosa, cornus sanguinea, fragaria vesca, deschampsia flexuosa, euonymus europaeus, geum urbanum, crataegus laevigata, mespilus germanica, betula pubescens, vicia sepium, ruscus aculeatus, cornus mas, ficaria verna, holcus mollis, castanea sativa