be, arr. halle-vilvoorde, quercus robur, lonicera periclymenum, sorbus aucuparia, corylus avellana, acer pseudoplatanus, quercus rubra, castanea sativa, fraxinus excelsior, polygonatum multiflorum, hedera helix, sambucus nigra, prunus serotina, fagus sylvatica, betula pendula, dryopteris carthusiana, alnus glutinosa, athyrium filix-femina, frangula alnus, dryopteris dilatata, prunus avium, anemone nemorosa, betula pubescens, urtica dioica, carpinus betulus, lamium galeobdolon, glechoma hederacea, hyacinthoides non-scripta, pteridium aquilinum, teucrium scorodonia, crataegus monogyna, arum maculatum, ribes rubrum, adoxa moschatellina, holcus mollis, ilex aquifolium, geum urbanum, silene dioica, juncus effusus, ficaria verna, galeopsis tetrahit, viburnum opulus, circaea lutetiana, dryopteris filix-mas, convallaria majalis, populus canadensis, moehringia trinervia, primula elatior, galium aparine, deschampsia flexuosa, vaccinium myrtillus