nl, noord-drenthe, quercus robur, pinus sylvestris, avenella flexuosa, deschampsia flexuosa, frangula alnus, sorbus aucuparia, prunus serotina, betula pendula, molinia caerulea, ceratocapnos claviculata, calluna vulgaris, amelanchier lamarckii, vaccinium myrtillus, quercus rubra, dryopteris dilatata, dryopteris carthusiana, betula pubescens, carex pilulifera, agrostis capillaris, pseudotsuga menziesii, lonicera periclymenum, rumex angiocarpus, galium saxatile, rumex acetosella, erica tetralix, ilex aquifolium, fagus sylvatica, rubus gratus, rubus plicatus, agrostis vinealis, larix kaempferi, festuca filiformis, holcus mollis, galeopsis tetrahit, holcus lanatus, juncus effusus, carex arenaria, vaccinium vitis-idaea, rubus idaeus, pteridium aquilinum, danthonia decumbens, picea abies, hypochaeris radicata, melampyrum pratense, corynephorus canescens, senecio sylvaticus, empetrum nigrum, hieracium laevigatum, populus tremula, luzula campestris