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