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