fr, seine-maritime, pteridium aquilinum, calluna vulgaris, avenella flexuosa, molinia caerulea, vaccinium myrtillus, pinus sylvestris, deschampsia flexuosa, frangula alnus, betula pendula, betula pubescens, quercus robur, fagus sylvatica, quercus petraea, carex pilulifera, sorbus aucuparia, lonicera periclymenum, erica tetralix, ilex aquifolium, dryopteris carthusiana, galium saxatile, teucrium scorodonia, holcus mollis, potentilla erecta, erica cinerea, agrostis capillaris, juncus effusus, melampyrum pratense, picea abies, cytisus scoparius, castanea sativa, agrostis canina, dryopteris dilatata, oxalis acetosella, ceratocapnos claviculata, digitalis purpurea, hypericum pulchrum, hedera helix, holcus lanatus, luzula multiflora, populus tremula, ulex minor, luzula pilosa, eriophorum angustifolium, quercus rubra, struthiopteris spicant, prunus serotina, athyrium filix-femina, vaccinium vitis-idaea, anthoxanthum odoratum, carex nigra