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