fr, pas-de-calais, hedera helix, fagus sylvatica, carex sylvatica, arum maculatum, quercus robur, lonicera periclymenum, dryopteris filix-mas, euphorbia amygdaloides, fraxinus excelsior, carpinus betulus, ilex aquifolium, hyacinthoides non-scripta, crataegus monogyna, corylus avellana, viola reichenbachiana, circaea lutetiana, acer campestre, mercurialis perennis, milium effusum, melica uniflora, anemone nemorosa, rosa arvensis, lamium galeobdolon, betula pubescens, brachypodium sylvaticum, dryopteris carthusiana, pteridium aquilinum, polygonatum multiflorum, galium odoratum, fragaria vesca, prunus avium, geum urbanum, athyrium filix-femina, quercus petraea, oxalis acetosella, acer pseudoplatanus, cornus sanguinea, ligustrum vulgare, vicia sepium, sanicula europaea, euonymus europaeus, teucrium scorodonia, ficaria verna, geranium robertianum, betula pendula, viola riviniana, holcus mollis, luzula pilosa, urtica dioica, deschampsia flexuosa