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