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