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