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