be, arr. halle-vilvoorde, acer pseudoplatanus, corylus avellana, fraxinus excelsior, sambucus nigra, castanea sativa, quercus robur, hedera helix, arum maculatum, polygonatum multiflorum, lonicera periclymenum, lamium galeobdolon, hyacinthoides non-scripta, adoxa moschatellina, prunus avium, urtica dioica, glechoma hederacea, ficaria verna, anemone nemorosa, heracleum sphondylium, primula elatior, crataegus monogyna, quercus rubra, fagus sylvatica, sorbus aucuparia, geum urbanum, carpinus betulus, ribes rubrum, galanthus nivalis, silene dioica, galium aparine, circaea lutetiana, athyrium filix-femina, alnus glutinosa, populus canadensis, stachys sylvatica, prunus serotina, viburnum opulus, dryopteris filix-mas, angelica sylvestris, ulmus minor, ranunculus repens, allium ursinum, poa trivialis, cornus sanguinea, geranium robertianum, cardamine pratensis, ilex aquifolium, dryopteris dilatata, betula pendula, robinia pseudoacacia