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