be, arr. halle-vilvoorde, acer pseudoplatanus, castanea sativa, quercus rubra, corylus avellana, fraxinus excelsior, lamium galeobdolon, arum maculatum, prunus serotina, circaea lutetiana, quercus robur, fagus sylvatica, polygonatum multiflorum, lonicera periclymenum, hyacinthoides non-scripta, sambucus nigra, anemone nemorosa, galanthus nivalis, hedera helix, athyrium filix-femina, carpinus betulus, primula elatior, ficaria verna, prunus avium, potentilla indica, glechoma hederacea, sorbus aucuparia, allium ursinum, urtica dioica, geum urbanum, adoxa moschatellina, carex sylvatica, alnus glutinosa, rhododendron ponticum, silene dioica, dryopteris dilatata, alnus incana, ribes rubrum, ilex aquifolium, impatiens parviflora, carex remota, convallaria majalis, stachys sylvatica, dryopteris filix-mas, dryopteris carthusiana, milium effusum, paris quadrifolia, veronica montana, pulmonaria officinalis, cardamine pratensis, robinia pseudoacacia