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