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