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, molinia caerulea, fagus sylvatica, pseudotsuga menziesii, galium saxatile, carex pilulifera, amelanchier lamarckii, ceratocapnos claviculata, betula pubescens, agrostis capillaris, lonicera periclymenum, pinus nigra, picea abies, rumex angiocarpus, rumex acetosella, vaccinium vitis-idaea, ilex aquifolium, pteridium aquilinum, erica tetralix, larix kaempferi, quercus petraea, castanea sativa, holcus mollis, rubus plicatus, rubus idaeus, agrostis vinealis, melampyrum pratense, carex arenaria, juncus effusus, festuca filiformis, senecio sylvaticus, rubus gratus, holcus lanatus, empetrum nigrum, galeopsis tetrahit, teucrium scorodonia, cytisus scoparius, maianthemum bifolium