nl, noord-drenthe, quercus robur, avenella flexuosa, deschampsia flexuosa, vaccinium myrtillus, pinus sylvestris, sorbus aucuparia, betula pendula, fagus sylvatica, frangula alnus, prunus serotina, dryopteris carthusiana, molinia caerulea, pseudotsuga menziesii, dryopteris dilatata, picea abies, calluna vulgaris, carex pilulifera, quercus rubra, ceratocapnos claviculata, betula pubescens, galium saxatile, lonicera periclymenum, ilex aquifolium, pteridium aquilinum, larix kaempferi, amelanchier lamarckii, vaccinium vitis-idaea, agrostis capillaris, erica tetralix, rubus idaeus, rumex angiocarpus, melampyrum pratense, maianthemum bifolium, luzula pilosa, empetrum nigrum, rumex acetosella, pinus nigra, quercus petraea, oxalis acetosella, juncus effusus, picea sitchensis, castanea sativa, carex arenaria, holcus mollis, populus tremula, juniperus communis, abies alba, senecio sylvaticus, acer pseudoplatanus, rabelera holostea