be, arr. tongeren, pinus sylvestris, avenella flexuosa, prunus serotina, betula pendula, deschampsia flexuosa, quercus robur, quercus rubra, sorbus aucuparia, vaccinium myrtillus, calluna vulgaris, frangula alnus, fagus sylvatica, dryopteris carthusiana, molinia caerulea, carex pilulifera, agrostis capillaris, dryopteris dilatata, pseudotsuga menziesii, rumex angiocarpus, rumex acetosella, pinus nigra, lonicera periclymenum, ceratocapnos claviculata, galium saxatile, castanea sativa, betula pubescens, quercus petraea, pteridium aquilinum, amelanchier lamarckii, picea abies, ilex aquifolium, teucrium scorodonia, agrostis vinealis, holcus mollis, vaccinium vitis-idaea, cytisus scoparius, hypericum perforatum, melampyrum pratense, festuca filiformis, calamagrostis epigejos, rubus plicatus, holcus lanatus, rubus idaeus, senecio sylvaticus, digitalis purpurea, carex arenaria, erica tetralix, danthonia decumbens, moehringia trinervia, corynephorus canescens