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