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