be, arr. tongeren, pinus sylvestris, prunus serotina, avenella flexuosa, betula pendula, quercus robur, deschampsia flexuosa, quercus rubra, sorbus aucuparia, agrostis capillaris, frangula alnus, vaccinium myrtillus, calluna vulgaris, dryopteris carthusiana, rumex angiocarpus, rumex acetosella, fagus sylvatica, dryopteris dilatata, ceratocapnos claviculata, molinia caerulea, pseudotsuga menziesii, pinus nigra, carex pilulifera, amelanchier lamarckii, galium saxatile, agrostis vinealis, lonicera periclymenum, hypericum perforatum, holcus lanatus, holcus mollis, picea abies, calamagrostis epigejos, cytisus scoparius, betula pubescens, castanea sativa, senecio sylvaticus, festuca filiformis, carex arenaria, quercus petraea, galeopsis tetrahit, ilex aquifolium, vaccinium vitis-idaea, rubus idaeus, pteridium aquilinum, luzula campestris, hypochaeris radicata, corynephorus canescens, erigeron canadensis, achillea millefolium, rubus plicatus, teucrium scorodonia