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