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