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