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