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