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