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