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