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