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