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