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