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