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