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