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