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