be, arr. nivelles, quercus robur, corylus avellana, fraxinus excelsior, fagus sylvatica, acer pseudoplatanus, lonicera periclymenum, hedera helix, castanea sativa, carpinus betulus, alnus glutinosa, betula pendula, athyrium filix-femina, sorbus aucuparia, sambucus nigra, polygonatum multiflorum, prunus avium, anemone nemorosa, ilex aquifolium, urtica dioica, lamium galeobdolon, arum maculatum, crataegus monogyna, pteridium aquilinum, hyacinthoides non-scripta, teucrium scorodonia, dryopteris filix-mas, glechoma hederacea, dryopteris carthusiana, betula pubescens, angelica sylvestris, viburnum opulus, ribes rubrum, circaea lutetiana, geum urbanum, galium aparine, filipendula ulmaria, frangula alnus, juncus effusus, salix caprea, holcus mollis, quercus rubra, quercus petraea, primula elatior, ficaria verna, ranunculus repens, deschampsia flexuosa, cardamine pratensis, avenella flexuosa, heracleum sphondylium, deschampsia cespitosa