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