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