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