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