be, arr. halle-vilvoorde, quercus robur, acer pseudoplatanus, corylus avellana, lonicera periclymenum, fraxinus excelsior, sorbus aucuparia, sambucus nigra, hedera helix, castanea sativa, quercus rubra, polygonatum multiflorum, athyrium filix-femina, anemone nemorosa, alnus glutinosa, prunus serotina, fagus sylvatica, dryopteris dilatata, prunus avium, dryopteris carthusiana, ficaria verna, glechoma hederacea, lamium galeobdolon, urtica dioica, geum urbanum, circaea lutetiana, primula elatior, crataegus monogyna, hyacinthoides non-scripta, arum maculatum, betula pendula, carpinus betulus, populus canadensis, ribes rubrum, adoxa moschatellina, frangula alnus, betula pubescens, angelica sylvestris, viburnum opulus, ajuga reptans, filipendula ulmaria, pteridium aquilinum, silene dioica, cardamine pratensis, deschampsia cespitosa, dryopteris filix-mas, galium aparine, convallaria majalis, ilex aquifolium, juncus effusus, carex remota