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