be, arr. leuven, castanea sativa, lonicera periclymenum, quercus robur, fagus sylvatica, corylus avellana, hedera helix, acer pseudoplatanus, fraxinus excelsior, carpinus betulus, polygonatum multiflorum, prunus avium, sambucus nigra, quercus petraea, betula pendula, pteridium aquilinum, anemone nemorosa, ilex aquifolium, sorbus aucuparia, teucrium scorodonia, lamium galeobdolon, frangula alnus, dryopteris filix-mas, athyrium filix-femina, hyacinthoides non-scripta, arum maculatum, carex pilulifera, luzula pilosa, crataegus monogyna, quercus rubra, dryopteris carthusiana, holcus mollis, vaccinium myrtillus, avenella flexuosa, carex sylvatica, populus tremula, convallaria majalis, betula pubescens, viburnum opulus, heracleum sphondylium, alnus glutinosa, urtica dioica, deschampsia flexuosa, milium effusum, salix caprea, geum urbanum, dryopteris dilatata, cornus sanguinea, rabelera holostea, circaea lutetiana, ficaria verna