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