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