be, arr. tongeren, pinus sylvestris, quercus robur, betula pendula, avenella flexuosa, prunus serotina, vaccinium myrtillus, sorbus aucuparia, deschampsia flexuosa, frangula alnus, dryopteris carthusiana, quercus rubra, dryopteris dilatata, calluna vulgaris, fagus sylvatica, molinia caerulea, pseudotsuga menziesii, galium saxatile, carex pilulifera, amelanchier lamarckii, ceratocapnos claviculata, picea abies, betula pubescens, lonicera periclymenum, pinus nigra, agrostis capillaris, vaccinium vitis-idaea, rumex angiocarpus, rumex acetosella, ilex aquifolium, pteridium aquilinum, larix kaempferi, quercus petraea, erica tetralix, castanea sativa, rubus idaeus, holcus mollis, melampyrum pratense, rubus plicatus, agrostis vinealis, carex arenaria, empetrum nigrum, senecio sylvaticus, rubus gratus, juncus effusus, festuca filiformis, maianthemum bifolium, galeopsis tetrahit, holcus lanatus, teucrium scorodonia, populus tremula