fr, pas-de-calais, lonicera periclymenum, hyacinthoides non-scripta, quercus robur, betula pubescens, fagus sylvatica, pteridium aquilinum, hedera helix, teucrium scorodonia, ilex aquifolium, corylus avellana, carpinus betulus, betula pendula, quercus petraea, castanea sativa, holcus mollis, deschampsia flexuosa, fraxinus excelsior, avenella flexuosa, anemone nemorosa, polygonatum multiflorum, crataegus monogyna, carex pilulifera, sorbus aucuparia, euphorbia amygdaloides, frangula alnus, dryopteris carthusiana, viola riviniana, dryopteris filix-mas, vaccinium myrtillus, acer pseudoplatanus, molinia caerulea, prunus avium, calluna vulgaris, populus tremula, carex sylvatica, arum maculatum, milium effusum, mespilus germanica, athyrium filix-femina, luzula pilosa, melica uniflora, agrostis capillaris, lamium galeobdolon, oxalis acetosella, circaea lutetiana, ajuga reptans, rabelera holostea, dryopteris dilatata, mercurialis perennis, viola reichenbachiana