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