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