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