fr, pas-de-calais, arum maculatum, hedera helix, mercurialis perennis, fraxinus excelsior, crataegus monogyna, corylus avellana, hyacinthoides non-scripta, asplenium scolopendrium, urtica dioica, geum urbanum, heracleum sphondylium, acer campestre, dioscorea communis, galium aparine, acer pseudoplatanus, sambucus nigra, fagus sylvatica, geranium robertianum, glechoma hederacea, neottia ovata, cornus sanguinea, circaea lutetiana, allium ursinum, stachys sylvatica, prunus spinosa, euphorbia amygdaloides, quercus robur, euonymus europaeus, clematis vitalba, rubus fruticosus, brachypodium sylvaticum, prunus avium, carpinus betulus, silene dioica, lamium galeobdolon, ficaria verna, carex sylvatica, ilex aquifolium, sanicula europaea, dryopteris filix-mas, daphne laureola, lonicera periclymenum, ligustrum vulgare, primula vulgaris, adoxa moschatellina, viburnum opulus, orchis mascula, primula veris, viola reichenbachiana, anthriscus sylvestris