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