be, arr. halle-vilvoorde, acer pseudoplatanus, lonicera periclymenum, quercus robur, castanea sativa, corylus avellana, fagus sylvatica, sorbus aucuparia, hedera helix, fraxinus excelsior, polygonatum multiflorum, hyacinthoides non-scripta, athyrium filix-femina, quercus rubra, anemone nemorosa, dryopteris dilatata, lamium galeobdolon, sambucus nigra, carpinus betulus, pteridium aquilinum, ilex aquifolium, prunus avium, dryopteris carthusiana, teucrium scorodonia, betula pendula, circaea lutetiana, betula pubescens, prunus serotina, arum maculatum, oxalis acetosella, vaccinium myrtillus, luzula pilosa, adoxa moschatellina, alnus glutinosa, primula elatior, holcus mollis, urtica dioica, frangula alnus, dryopteris filix-mas, milium effusum, ficaria verna, geum urbanum, deschampsia flexuosa, convallaria majalis, ajuga reptans, glechoma hederacea, carex sylvatica, quercus petraea, silene dioica, juncus effusus, avenella flexuosa