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