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