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