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