be, arr. leuven, castanea sativa, quercus rubra, prunus serotina, fagus sylvatica, rhododendron ponticum, quercus robur, potentilla indica, acer pseudoplatanus, sorbus aucuparia, pinus sylvestris, betula pendula, teucrium scorodonia, lonicera periclymenum, robinia pseudoacacia, ilex aquifolium, dryopteris dilatata, vaccinium myrtillus, juncus tenuis, silene coronaria, pteridium aquilinum, corylus avellana, amelanchier lamarckii, pinus nigra, plantago subulata, dryopteris carthusiana, carex pilulifera, frangula alnus, hedera helix, sambucus nigra, lamium galeobdolon, convallaria majalis, avenella flexuosa, pseudotsuga menziesii, hyacinthoides non-scripta, deschampsia flexuosa, molinia caerulea, pilosella aurantiaca, impatiens parviflora, geum macrophyllum, athyrium filix-femina, carpinus betulus, oxalis stricta, symphoricarpos albus, galinsoga quadriradiata, prunus avium, fraxinus excelsior, calluna vulgaris, mespilus germanica, polygonatum multiflorum, urtica dioica