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