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