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