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