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