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