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