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