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