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