be, arr. tongeren, quercus robur, prunus serotina, quercus rubra, sorbus aucuparia, pinus sylvestris, betula pendula, avenella flexuosa, frangula alnus, deschampsia flexuosa, vaccinium myrtillus, dryopteris carthusiana, dryopteris dilatata, molinia caerulea, calluna vulgaris, fagus sylvatica, lonicera periclymenum, carex pilulifera, amelanchier lamarckii, agrostis capillaris, betula pubescens, castanea sativa, pseudotsuga menziesii, rumex angiocarpus, holcus mollis, rumex acetosella, ilex aquifolium, galium saxatile, pteridium aquilinum, ceratocapnos claviculata, teucrium scorodonia, rubus gratus, pinus nigra, festuca filiformis, galeopsis tetrahit, agrostis vinealis, rubus plicatus, holcus lanatus, cytisus scoparius, picea abies, larix kaempferi, acer pseudoplatanus, rubus idaeus, corylus avellana, sambucus nigra, hypericum perforatum, robinia pseudoacacia, erica tetralix, quercus petraea, populus tremula, juncus effusus