be, arr. halle-vilvoorde, quercus robur, fagus sylvatica, hedera helix, lonicera periclymenum, carpinus betulus, corylus avellana, fraxinus excelsior, acer pseudoplatanus, crataegus monogyna, polygonatum multiflorum, quercus petraea, prunus avium, anemone nemorosa, arum maculatum, ilex aquifolium, acer campestre, betula pendula, carex sylvatica, dryopteris filix-mas, sorbus aucuparia, sambucus nigra, milium effusum, glechoma hederacea, lamium galeobdolon, teucrium scorodonia, pteridium aquilinum, geum urbanum, hyacinthoides non-scripta, circaea lutetiana, poa nemoralis, castanea sativa, cornus sanguinea, galium aparine, convallaria majalis, dryopteris carthusiana, viola reichenbachiana, euonymus europaeus, holcus mollis, deschampsia flexuosa, luzula pilosa, betula pubescens, frangula alnus, urtica dioica, avenella flexuosa, scrophularia nodosa, viburnum opulus, ligustrum vulgare, melica uniflora, populus tremula, ficaria verna