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