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