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