fr, pas-de-calais, corylus avellana, carpinus betulus, hedera helix, fagus sylvatica, prunus avium, quercus robur, fraxinus excelsior, acer campestre, crataegus monogyna, cornus sanguinea, acer pseudoplatanus, ligustrum vulgare, carex sylvatica, rosa arvensis, arum maculatum, fragaria vesca, viburnum lantana, clematis vitalba, quercus petraea, anemone nemorosa, viola reichenbachiana, viburnum opulus, polygonatum multiflorum, betula pendula, torminalis glaberrima, brachypodium sylvaticum, crataegus laevigata, lamium galeobdolon, neottia ovata, lonicera xylosteum, euonymus europaeus, paris quadrifolia, ulmus minor, cornus mas, milium effusum, mercurialis perennis, convallaria majalis, populus tremula, euphorbia amygdaloides, prunus spinosa, lonicera periclymenum, solidago virgaurea, luzula pilosa, salix caprea, geum urbanum, carex flacca, galium odoratum, dryopteris filix-mas, campanula trachelium, vicia sepium