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