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