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