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