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