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