fr, pas-de-calais, hedera helix, fraxinus excelsior, crataegus monogyna, corylus avellana, acer pseudoplatanus, clematis vitalba, cornus sanguinea, fagus sylvatica, mercurialis perennis, quercus robur, brachypodium sylvaticum, dioscorea communis, prunus avium, arum maculatum, neottia ovata, origanum vulgare, fragaria vesca, acer campestre, heracleum sphondylium, brachypodium pinnatum, prunus spinosa, viburnum lantana, ligustrum vulgare, sambucus nigra, carex flacca, primula veris, lonicera periclymenum, euphorbia amygdaloides, dactylis glomerata, sanicula europaea, geranium robertianum, geum urbanum, viburnum opulus, poterium sanguisorba, solidago virgaurea, urtica dioica, viola hirta, arrhenatherum elatius, rosa canina, rosa arvensis, galium aparine, betula pendula, euonymus europaeus, ilex aquifolium, carex sylvatica, rosa blondaeana, carpinus betulus, orchis purpurea, hyacinthoides non-scripta, viola reichenbachiana