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