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