fr, pas-de-calais, ilex aquifolium, fagus sylvatica, carex sylvatica, dryopteris filix-mas, melica uniflora, hedera helix, milium effusum, circaea lutetiana, carex remota, dryopteris carthusiana, athyrium filix-femina, lonicera periclymenum, oxalis acetosella, pteridium aquilinum, euphorbia amygdaloides, hyacinthoides non-scripta, viola reichenbachiana, galium odoratum, fraxinus excelsior, carpinus betulus, brachypodium sylvaticum, lamium galeobdolon, quercus robur, holcus mollis, arum maculatum, anemone nemorosa, avenella flexuosa, veronica montana, mercurialis perennis, rabelera holostea, luzula pilosa, carex pilulifera, deschampsia flexuosa, acer campestre, crataegus monogyna, quercus petraea, deschampsia cespitosa, dryopteris dilatata, poa nemoralis, vicia sepium, ficaria verna, corylus avellana, polygonatum multiflorum, geranium robertianum, geum urbanum, betula pubescens, urtica dioica, ruscus aculeatus, rosa arvensis, teucrium scorodonia