fr, pas-de-calais, hyacinthoides non-scripta, lonicera periclymenum, hedera helix, fraxinus excelsior, corylus avellana, arum maculatum, quercus robur, fagus sylvatica, castanea sativa, carpinus betulus, acer pseudoplatanus, mercurialis perennis, crataegus monogyna, ilex aquifolium, polygonatum multiflorum, circaea lutetiana, carex sylvatica, euphorbia amygdaloides, acer campestre, prunus avium, geum urbanum, pteridium aquilinum, lamium galeobdolon, dryopteris filix-mas, sambucus nigra, betula pendula, betula pubescens, urtica dioica, anemone nemorosa, glechoma hederacea, teucrium scorodonia, galium aparine, quercus petraea, cornus sanguinea, ruscus aculeatus, euonymus europaeus, milium effusum, ficaria verna, ligustrum vulgare, ulmus minor, mespilus germanica, geranium robertianum, ajuga reptans, brachypodium sylvaticum, athyrium filix-femina, heracleum sphondylium, melica uniflora, viola riviniana, holcus mollis, adoxa moschatellina