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