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