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