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