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