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