fr, pas-de-calais, fraxinus excelsior, hedera helix, corylus avellana, arum maculatum, mercurialis perennis, acer pseudoplatanus, crataegus monogyna, geum urbanum, fagus sylvatica, circaea lutetiana, quercus robur, urtica dioica, galium aparine, carex sylvatica, geranium robertianum, hyacinthoides non-scripta, acer campestre, sambucus nigra, brachypodium sylvaticum, dryopteris filix-mas, lamium galeobdolon, ficaria verna, lonicera periclymenum, glechoma hederacea, carpinus betulus, euonymus europaeus, stachys sylvatica, anemone nemorosa, ilex aquifolium, viola reichenbachiana, prunus avium, allium ursinum, cornus sanguinea, deschampsia cespitosa, prunus spinosa, heracleum sphondylium, alnus glutinosa, veronica montana, sanicula europaea, adoxa moschatellina, asplenium scolopendrium, poa trivialis, neottia ovata, galium odoratum, euphorbia amygdaloides, ligustrum vulgare, viburnum opulus, milium effusum, clematis vitalba, oxalis acetosella