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