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