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