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