be, arr. tongeren, pinus sylvestris, prunus serotina, quercus rubra, quercus robur, betula pendula, avenella flexuosa, frangula alnus, sorbus aucuparia, deschampsia flexuosa, vaccinium myrtillus, calluna vulgaris, molinia caerulea, castanea sativa, fagus sylvatica, lonicera periclymenum, dryopteris carthusiana, carex pilulifera, betula pubescens, dryopteris dilatata, amelanchier lamarckii, pteridium aquilinum, ilex aquifolium, ceratocapnos claviculata, pseudotsuga menziesii, teucrium scorodonia, agrostis capillaris, pinus nigra, quercus petraea, holcus mollis, erica tetralix, rumex angiocarpus, galium saxatile, rumex acetosella, melampyrum pratense, cytisus scoparius, picea abies, pinus strobus, larix kaempferi, populus tremula, pinus pinaster, corylus avellana, erica cinerea, robinia pseudoacacia, festuca filiformis, hedera helix, rhododendron ponticum, vaccinium vitis-idaea, digitalis purpurea, convallaria majalis, juncus effusus