be, arr. nivelles, fagus sylvatica, castanea sativa, quercus rubra, acer pseudoplatanus, quercus robur, athyrium filix-femina, lonicera periclymenum, dryopteris carthusiana, prunus serotina, pteridium aquilinum, carpinus betulus, corylus avellana, fraxinus excelsior, hedera helix, ilex aquifolium, dryopteris dilatata, sorbus aucuparia, circaea lutetiana, teucrium scorodonia, betula pendula, anemone nemorosa, juncus effusus, oxalis acetosella, pinus sylvestris, carex pilulifera, quercus petraea, lamium galeobdolon, carex remota, luzula pilosa, deschampsia cespitosa, carex sylvatica, sambucus nigra, convallaria majalis, polygonatum multiflorum, plantago subulata, hyacinthoides non-scripta, alnus glutinosa, vaccinium myrtillus, prunus avium, dryopteris filix-mas, urtica dioica, milium effusum, frangula alnus, avenella flexuosa, glechoma hederacea, ajuga reptans, deschampsia flexuosa, picea abies, geum urbanum, molinia caerulea