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