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