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