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