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