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