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