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