fr, pas-de-calais, fagus sylvatica, carpinus betulus, hedera helix, quercus petraea, quercus robur, lonicera periclymenum, corylus avellana, fraxinus excelsior, carex sylvatica, prunus avium, crataegus monogyna, anemone nemorosa, acer campestre, arum maculatum, viola reichenbachiana, rosa arvensis, fragaria vesca, polygonatum multiflorum, euphorbia amygdaloides, cornus sanguinea, betula pendula, acer pseudoplatanus, luzula pilosa, milium effusum, lamium galeobdolon, dryopteris filix-mas, torminalis glaberrima, brachypodium sylvaticum, teucrium scorodonia, ligustrum vulgare, avenella flexuosa, deschampsia flexuosa, crataegus laevigata, melica uniflora, convallaria majalis, pteridium aquilinum, vicia sepium, populus tremula, solidago virgaurea, dryopteris carthusiana, viburnum opulus, deschampsia cespitosa, ilex aquifolium, circaea lutetiana, carex flacca, mercurialis perennis, geum urbanum, galium odoratum, ajuga reptans, prunus spinosa