fr, pas-de-calais, carpinus betulus, fraxinus excelsior, circaea lutetiana, carex sylvatica, fagus sylvatica, hedera helix, quercus robur, corylus avellana, arum maculatum, dryopteris filix-mas, acer campestre, brachypodium sylvaticum, viola reichenbachiana, crataegus monogyna, geum urbanum, lamium galeobdolon, milium effusum, glechoma hederacea, acer pseudoplatanus, dryopteris carthusiana, deschampsia cespitosa, lonicera periclymenum, urtica dioica, athyrium filix-femina, polygonatum multiflorum, stachys sylvatica, mercurialis perennis, anemone nemorosa, crataegus laevigata, cornus sanguinea, prunus avium, galium odoratum, euonymus europaeus, geranium robertianum, fragaria vesca, primula elatior, euphorbia amygdaloides, galium aparine, ficaria verna, veronica montana, carex remota, scrophularia nodosa, rosa arvensis, melica uniflora, ulmus minor, paris quadrifolia, oxalis acetosella, viburnum opulus, betula pendula, ilex aquifolium