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