fr, pas-de-calais, lonicera periclymenum, quercus robur, hedera helix, carpinus betulus, fraxinus excelsior, betula pubescens, fagus sylvatica, corylus avellana, crataegus monogyna, carex sylvatica, anemone nemorosa, acer campestre, circaea lutetiana, brachypodium sylvaticum, dryopteris carthusiana, ilex aquifolium, hyacinthoides non-scripta, arum maculatum, dryopteris filix-mas, viola reichenbachiana, quercus petraea, betula pendula, pteridium aquilinum, rosa arvensis, euonymus europaeus, populus tremula, polygonatum multiflorum, ligustrum vulgare, euphorbia amygdaloides, crataegus laevigata, cornus sanguinea, milium effusum, deschampsia cespitosa, holcus mollis, teucrium scorodonia, mercurialis perennis, prunus spinosa, lamium galeobdolon, geum urbanum, deschampsia flexuosa, athyrium filix-femina, prunus avium, viburnum opulus, alnus glutinosa, melica uniflora, acer pseudoplatanus, torminalis glaberrima, primula elatior, frangula alnus, avenella flexuosa