fr, ardennes, fagus sylvatica, quercus robur, hedera helix, quercus petraea, carpinus betulus, corylus avellana, lonicera periclymenum, pteridium aquilinum, crataegus monogyna, teucrium scorodonia, solidago virgaurea, euphorbia amygdaloides, cornus sanguinea, betula pendula, anemone nemorosa, rosa arvensis, deschampsia flexuosa, fragaria vesca, fraxinus excelsior, prunus avium, acer campestre, frangula alnus, avenella flexuosa, castanea sativa, torminalis glaberrima, carex flacca, ilex aquifolium, polygonatum multiflorum, stachys officinalis, brachypodium pinnatum, melampyrum pratense, viola riviniana, luzula pilosa, hypericum pulchrum, ligustrum vulgare, viola reichenbachiana, populus tremula, betula pubescens, brachypodium sylvaticum, prunus spinosa, carex sylvatica, primula veris, vicia sepium, agrostis capillaris, viburnum opulus, ajuga reptans, anthoxanthum odoratum, convallaria majalis, crataegus laevigata, acer pseudoplatanus