fr, pas-de-calais, carex arenaria, prunus serotina, quercus robur, pinus sylvestris, calamagrostis epigejos, lonicera periclymenum, betula pendula, rosa spinosissima, corynephorus canescens, sorbus aucuparia, rumex acetosella, agrostis capillaris, calluna vulgaris, avenella flexuosa, rumex angiocarpus, salix repens, hypochaeris radicata, betula pubescens, aira praecox, senecio sylvaticus, frangula alnus, jacobaea vulgaris, holcus lanatus, luzula campestris, cytisus scoparius, polypodium vulgare, galium verum, pinus nigra, rubus caesius, crataegus monogyna, deschampsia flexuosa, veronica officinalis, molinia caerulea, cynoglossum officinale, hippophae rhamnoides, agrostis vinealis, festuca filiformis, teucrium scorodonia, ulex europaeus, jasione montana, dryopteris dilatata, populus tremula, urtica dioica, pilosella officinarum, ligustrum vulgare, viola tricolor, moehringia trinervia, erica cinerea, erica tetralix, erodium cicutarium