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