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