be, arr. nivelles, fraxinus excelsior, hedera helix, corylus avellana, fagus sylvatica, carpinus betulus, acer pseudoplatanus, lonicera periclymenum, quercus robur, prunus avium, arum maculatum, crataegus monogyna, polygonatum multiflorum, hyacinthoides non-scripta, lamium galeobdolon, sambucus nigra, ilex aquifolium, carex sylvatica, quercus petraea, anemone nemorosa, betula pendula, castanea sativa, dryopteris filix-mas, geum urbanum, cornus sanguinea, acer campestre, circaea lutetiana, milium effusum, glechoma hederacea, sorbus aucuparia, galium aparine, ficaria verna, urtica dioica, pteridium aquilinum, dryopteris carthusiana, athyrium filix-femina, euonymus europaeus, primula elatior, luzula pilosa, viburnum opulus, ulmus minor, ribes rubrum, geranium robertianum, mercurialis perennis, euphorbia amygdaloides, teucrium scorodonia, avenella flexuosa, holcus mollis, stachys sylvatica, brachypodium sylvaticum, convallaria majalis