be, arr. halle-vilvoorde, fraxinus excelsior, quercus robur, acer pseudoplatanus, sambucus nigra, urtica dioica, glechoma hederacea, populus canadensis, corylus avellana, alnus glutinosa, filipendula ulmaria, galium aparine, silene dioica, ficaria verna, geum urbanum, ribes rubrum, angelica sylvestris, crataegus monogyna, circaea lutetiana, hedera helix, lonicera periclymenum, poa trivialis, heracleum sphondylium, athyrium filix-femina, arum maculatum, primula elatior, humulus lupulus, anemone nemorosa, adoxa moschatellina, polygonatum multiflorum, alnus incana, ranunculus repens, symphytum officinale, viburnum opulus, cardamine pratensis, prunus avium, sorbus aucuparia, galeopsis tetrahit, lamium galeobdolon, stachys sylvatica, geranium robertianum, prunus serotina, dryopteris carthusiana, quercus rubra, dryopteris dilatata, cornus sanguinea, ulmus minor, carpinus betulus, moehringia trinervia, carex remota, castanea sativa