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