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