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