be, arr. leuven, castanea sativa, quercus rubra, quercus robur, prunus serotina, betula pendula, pinus sylvestris, frangula alnus, sorbus aucuparia, molinia caerulea, calluna vulgaris, lonicera periclymenum, vaccinium myrtillus, teucrium scorodonia, deschampsia flexuosa, avenella flexuosa, carex pilulifera, pteridium aquilinum, fagus sylvatica, betula pubescens, dryopteris dilatata, amelanchier lamarckii, agrostis capillaris, robinia pseudoacacia, dryopteris carthusiana, corylus avellana, pinus nigra, cytisus scoparius, ilex aquifolium, holcus mollis, juncus effusus, erica tetralix, rhododendron ponticum, populus tremula, acer pseudoplatanus, rumex angiocarpus, salix caprea, hieracium umbellatum, rumex acetosella, silene coronaria, festuca filiformis, hedera helix, holcus lanatus, pinus pinaster, juncus tenuis, quercus petraea, polygonatum multiflorum, luzula multiflora, potentilla erecta, athyrium filix-femina, sambucus nigra