fr, ardennes, carpinus betulus, quercus robur, corylus avellana, fraxinus excelsior, hedera helix, lonicera periclymenum, fagus sylvatica, crataegus laevigata, arum maculatum, carex sylvatica, acer campestre, polygonatum multiflorum, crataegus monogyna, lamium galeobdolon, prunus avium, primula elatior, rosa arvensis, anemone nemorosa, quercus petraea, populus tremula, viburnum opulus, viola reichenbachiana, circaea lutetiana, cornus sanguinea, deschampsia cespitosa, betula pendula, milium effusum, acer pseudoplatanus, geum urbanum, alnus glutinosa, dryopteris filix-mas, euonymus europaeus, euphorbia amygdaloides, ficaria verna, luzula pilosa, athyrium filix-femina, brachypodium sylvaticum, ajuga reptans, glechoma hederacea, dryopteris carthusiana, paris quadrifolia, convallaria majalis, ligustrum vulgare, rubus plicatus, fragaria vesca, rabelera holostea, betula pubescens, prunus spinosa, ulmus minor, cardamine pratensis