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