be, arr. halle-vilvoorde, acer pseudoplatanus, fraxinus excelsior, arum maculatum, allium ursinum, quercus robur, sambucus nigra, galanthus nivalis, hedera helix, fagus sylvatica, castanea sativa, potentilla indica, urtica dioica, glechoma hederacea, corylus avellana, circaea lutetiana, lamium galeobdolon, quercus rubra, geum urbanum, carpinus betulus, polygonatum multiflorum, prunus padus, ribes rubrum, hyacinthoides non-scripta, robinia pseudoacacia, arum italicum, galium aparine, geranium phaeum, heracleum sphondylium, ficaria verna, stachys sylvatica, silene dioica, prunus serotina, acer campestre, symphoricarpos albus, acer platanoides, prunus avium, alnus glutinosa, aesculus hippocastanum, ilex aquifolium, crataegus monogyna, symphytum officinale, impatiens parviflora, viburnum opulus, aegopodium podagraria, cornus sanguinea, humulus lupulus, euonymus europaeus, rhododendron ponticum, ulmus minor, anemone nemorosa