be, arr. tongeren, pinus sylvestris, prunus serotina, quercus robur, avenella flexuosa, betula pendula, quercus rubra, sorbus aucuparia, deschampsia flexuosa, vaccinium myrtillus, frangula alnus, dryopteris carthusiana, agrostis capillaris, dryopteris dilatata, calluna vulgaris, fagus sylvatica, ceratocapnos claviculata, rumex angiocarpus, pseudotsuga menziesii, rumex acetosella, amelanchier lamarckii, molinia caerulea, carex pilulifera, lonicera periclymenum, galium saxatile, pinus nigra, holcus mollis, betula pubescens, picea abies, castanea sativa, holcus lanatus, ilex aquifolium, galeopsis tetrahit, hypericum perforatum, rubus idaeus, cytisus scoparius, agrostis vinealis, pteridium aquilinum, teucrium scorodonia, impatiens parviflora, quercus petraea, senecio sylvaticus, festuca filiformis, calamagrostis epigejos, moehringia trinervia, urtica dioica, vaccinium vitis-idaea, acer pseudoplatanus, digitalis purpurea, stellaria media, luzula campestris