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