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