be, arr. tongeren, molinia caerulea, pinus sylvestris, calluna vulgaris, betula pendula, erica tetralix, quercus robur, frangula alnus, avenella flexuosa, deschampsia flexuosa, vaccinium myrtillus, prunus serotina, betula pubescens, sorbus aucuparia, quercus rubra, carex pilulifera, dryopteris carthusiana, eriophorum angustifolium, ceratocapnos claviculata, rumex acetosella, rumex angiocarpus, dryopteris dilatata, agrostis capillaris, juncus effusus, juncus bulbosus, galium saxatile, drosera intermedia, drosera rotundifolia, rhynchospora alba, pinus nigra, amelanchier lamarckii, gentiana pneumonanthe, pseudotsuga menziesii, fagus sylvatica, lonicera periclymenum, juncus squarrosus, agrostis vinealis, pteridium aquilinum, vaccinium vitis-idaea, picea abies, ilex aquifolium, festuca filiformis, castanea sativa, agrostis canina, eriophorum vaginatum, rhynchospora fusca, trichophorum cespitosum, empetrum nigrum, narthecium ossifragum, quercus petraea, potentilla erecta