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