be, arr. halle-vilvoorde, castanea sativa, quercus robur, quercus rubra, acer pseudoplatanus, lonicera periclymenum, prunus serotina, fagus sylvatica, sorbus aucuparia, corylus avellana, dryopteris dilatata, betula pendula, dryopteris carthusiana, hedera helix, sambucus nigra, polygonatum multiflorum, fraxinus excelsior, frangula alnus, athyrium filix-femina, pteridium aquilinum, ilex aquifolium, anemone nemorosa, betula pubescens, alnus glutinosa, teucrium scorodonia, prunus avium, vaccinium myrtillus, pinus sylvestris, lamium galeobdolon, hyacinthoides non-scripta, carpinus betulus, convallaria majalis, carex pilulifera, luzula pilosa, urtica dioica, molinia caerulea, juncus effusus, rhododendron ponticum, deschampsia flexuosa, glechoma hederacea, dryopteris filix-mas, avenella flexuosa, maianthemum bifolium, crataegus monogyna, robinia pseudoacacia, holcus mollis, circaea lutetiana, geum urbanum, arum maculatum, ribes rubrum, oxalis acetosella