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