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