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