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