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