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