be, arr. leuven, quercus rubra, castanea sativa, prunus serotina, pinus sylvestris, quercus robur, sorbus aucuparia, betula pendula, vaccinium myrtillus, pinus nigra, fagus sylvatica, dryopteris dilatata, avenella flexuosa, carex pilulifera, frangula alnus, molinia caerulea, deschampsia flexuosa, dryopteris carthusiana, lonicera periclymenum, calluna vulgaris, teucrium scorodonia, ilex aquifolium, pseudotsuga menziesii, pteridium aquilinum, acer pseudoplatanus, betula pubescens, agrostis capillaris, larix kaempferi, corylus avellana, amelanchier lamarckii, convallaria majalis, picea abies, robinia pseudoacacia, juncus effusus, salix caprea, quercus petraea, luzula pilosa, athyrium filix-femina, larix decidua, cytisus scoparius, holcus mollis, sambucus nigra, hedera helix, rhododendron ponticum, rumex angiocarpus, maianthemum bifolium, luzula multiflora, rumex acetosella, prunus avium, juncus conglomeratus, pinus strobus