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