be, arr. halle-vilvoorde, fraxinus excelsior, acer pseudoplatanus, corylus avellana, sambucus nigra, arum maculatum, quercus robur, primula elatior, ficaria verna, glechoma hederacea, alnus glutinosa, lamium galeobdolon, urtica dioica, populus canadensis, ribes rubrum, silene dioica, circaea lutetiana, adoxa moschatellina, anemone nemorosa, hedera helix, polygonatum multiflorum, filipendula ulmaria, angelica sylvestris, geum urbanum, heracleum sphondylium, athyrium filix-femina, galanthus nivalis, galium aparine, prunus avium, carpinus betulus, crataegus monogyna, lonicera periclymenum, castanea sativa, alnus incana, hyacinthoides non-scripta, stachys sylvatica, allium ursinum, cardamine pratensis, viburnum opulus, ranunculus repens, quercus rubra, geranium robertianum, lathraea clandestina, fagus sylvatica, poa trivialis, cirsium oleraceum, paris quadrifolia, carex remota, humulus lupulus, ajuga reptans, symphytum officinale