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