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