fr, pas-de-calais, teucrium scorodonia, lonicera periclymenum, castanea sativa, quercus robur, agrostis capillaris, hyacinthoides non-scripta, pteridium aquilinum, holcus lanatus, cytisus scoparius, hedera helix, betula pendula, corylus avellana, fagus sylvatica, calluna vulgaris, carpinus betulus, carex pilulifera, achillea millefolium, anthoxanthum odoratum, holcus mollis, rumex acetosa, ilex aquifolium, crataegus monogyna, rumex acetosella, frangula alnus, quercus petraea, heracleum sphondylium, dactylis glomerata, plantago lanceolata, prunus avium, hypochaeris radicata, prunus spinosa, avenella flexuosa, rumex angiocarpus, festuca rubra, centaurea nigra, rabelera holostea, betula pubescens, arrhenatherum elatius, populus tremula, polygonatum multiflorum, fraxinus excelsior, ulex europaeus, hypericum perforatum, potentilla erecta, ranunculus repens, erica cinerea, trifolium repens, arum maculatum, molinia caerulea, vicia faba