fr, pas-de-calais, fagus sylvatica, carpinus betulus, fraxinus excelsior, acer pseudoplatanus, hedera helix, corylus avellana, quercus robur, carex sylvatica, quercus petraea, lamium galeobdolon, prunus avium, anemone nemorosa, arum maculatum, crataegus monogyna, polygonatum multiflorum, lonicera periclymenum, convallaria majalis, acer campestre, milium effusum, dryopteris filix-mas, betula pendula, geum urbanum, viola reichenbachiana, brachypodium sylvaticum, dryopteris carthusiana, circaea lutetiana, cornus sanguinea, fragaria vesca, glechoma hederacea, athyrium filix-femina, luzula pilosa, deschampsia cespitosa, galium odoratum, sorbus aucuparia, stachys sylvatica, sambucus nigra, mercurialis perennis, primula elatior, scrophularia nodosa, urtica dioica, tilia cordata, euonymus europaeus, poa nemoralis, melica uniflora, ulmus minor, ficaria verna, ligustrum vulgare, ilex aquifolium, geranium robertianum, euphorbia amygdaloides