fr, pas-de-calais, betula pendula, quercus robur, pinus sylvestris, fagus sylvatica, lonicera periclymenum, castanea sativa, frangula alnus, hedera helix, corylus avellana, populus tremula, teucrium scorodonia, crataegus monogyna, carpinus betulus, calluna vulgaris, sorbus aucuparia, ligustrum vulgare, molinia caerulea, cornus sanguinea, betula pubescens, salix caprea, pteridium aquilinum, ilex aquifolium, quercus petraea, acer pseudoplatanus, fraxinus excelsior, viburnum lantana, prunus avium, viburnum opulus, prunus spinosa, avenella flexuosa, hyacinthoides non-scripta, rosa canina, sambucus nigra, hypericum perforatum, cytisus scoparius, clematis vitalba, acer campestre, fagopyrum esculentum, euonymus europaeus, epipactis helleborine, euphorbia cyparissias, carex pilulifera, urtica dioica, eupatorium cannabinum, rhamnus cathartica, dryopteris carthusiana, prunus serotina, agrostis capillaris, galium aparine, reseda lutea