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