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