fr, seine-maritime, fraxinus excelsior, fagus sylvatica, hedera helix, corylus avellana, acer pseudoplatanus, hyacinthoides non-scripta, quercus robur, lonicera periclymenum, ilex aquifolium, mercurialis perennis, arum maculatum, circaea lutetiana, betula pubescens, anemone nemorosa, oxalis acetosella, crataegus monogyna, dryopteris filix-mas, carex sylvatica, lamium galeobdolon, geum urbanum, sorbus aucuparia, dryopteris dilatata, prunus avium, polygonatum multiflorum, quercus petraea, carpinus betulus, athyrium filix-femina, pteridium aquilinum, milium effusum, euphorbia amygdaloides, sambucus nigra, ficaria verna, geranium robertianum, ajuga reptans, galium odoratum, urtica dioica, allium ursinum, galium aparine, adoxa moschatellina, veronica montana, melica uniflora, viola riviniana, rabelera holostea, ulmus glabra, viola reichenbachiana, deschampsia cespitosa, acer campestre, holcus mollis, betula pendula, castanea sativa