fr, pas-de-calais, arum maculatum, hedera helix, fraxinus excelsior, hyacinthoides non-scripta, heracleum sphondylium, corylus avellana, carpinus betulus, acer campestre, sambucus nigra, euonymus europaeus, cornus sanguinea, galium aparine, lathraea clandestina, urtica dioica, glechoma hederacea, castanea sativa, crataegus monogyna, ribes rubrum, prunus avium, stachys sylvatica, acer pseudoplatanus, cruciata laevipes, arum italicum, quercus robur, allium ursinum, viburnum opulus, geum urbanum, cyclamen hederifolium, fagus sylvatica, lamium galeobdolon, dioscorea communis, prunus spinosa, juglans regia, lapsana communis, ilex aquifolium, crataegus laevigata, mercurialis perennis, geranium robertianum, ficaria verna, silene dioica, lonicera periclymenum, ajuga reptans, polygonatum multiflorum, asplenium scolopendrium, rabelera holostea, alnus glutinosa, clematis vitalba, ulmus minor, circaea lutetiana, ribes uva-crispa