be, arr. leuven, castanea sativa, quercus rubra, prunus serotina, quercus robur, fagus sylvatica, acer pseudoplatanus, sorbus aucuparia, lonicera periclymenum, rhododendron ponticum, betula pendula, pinus sylvestris, corylus avellana, dryopteris dilatata, potentilla indica, vaccinium myrtillus, ilex aquifolium, pteridium aquilinum, frangula alnus, hedera helix, teucrium scorodonia, carex pilulifera, dryopteris carthusiana, athyrium filix-femina, sambucus nigra, lamium galeobdolon, convallaria majalis, polygonatum multiflorum, hyacinthoides non-scripta, robinia pseudoacacia, avenella flexuosa, fraxinus excelsior, deschampsia flexuosa, prunus avium, anemone nemorosa, plantago subulata, luzula pilosa, molinia caerulea, amelanchier lamarckii, carpinus betulus, maianthemum bifolium, mespilus germanica, betula pubescens, juncus effusus, vinca minor, pseudotsuga menziesii, juncus tenuis, urtica dioica, impatiens parviflora, calluna vulgaris, dryopteris filix-mas