fr, pas-de-calais, fagus sylvatica, hedera helix, carpinus betulus, carex sylvatica, fraxinus excelsior, quercus robur, acer campestre, lonicera periclymenum, circaea lutetiana, viola reichenbachiana, euphorbia amygdaloides, corylus avellana, dryopteris filix-mas, arum maculatum, crataegus monogyna, rosa arvensis, lamium galeobdolon, brachypodium sylvaticum, milium effusum, dryopteris carthusiana, ilex aquifolium, deschampsia cespitosa, melica uniflora, anemone nemorosa, crataegus laevigata, galium odoratum, quercus petraea, polygonatum multiflorum, cornus sanguinea, prunus avium, pteridium aquilinum, mercurialis perennis, fragaria vesca, athyrium filix-femina, acer pseudoplatanus, vicia sepium, luzula pilosa, betula pendula, primula elatior, ligustrum vulgare, betula pubescens, carex remota, geum urbanum, hyacinthoides non-scripta, oxalis acetosella, torminalis glaberrima, viburnum opulus, populus tremula, carex pendula, salix caprea