be, arr. nivelles, lonicera periclymenum, corylus avellana, quercus robur, fagus sylvatica, fraxinus excelsior, hedera helix, acer pseudoplatanus, carpinus betulus, sorbus aucuparia, polygonatum multiflorum, prunus avium, betula pendula, sambucus nigra, anemone nemorosa, crataegus monogyna, dryopteris carthusiana, quercus petraea, athyrium filix-femina, arum maculatum, dryopteris filix-mas, lamium galeobdolon, geum urbanum, urtica dioica, castanea sativa, betula pubescens, pteridium aquilinum, holcus mollis, milium effusum, carex sylvatica, ilex aquifolium, teucrium scorodonia, hyacinthoides non-scripta, frangula alnus, alnus glutinosa, ficaria verna, circaea lutetiana, galium aparine, adoxa moschatellina, glechoma hederacea, dryopteris dilatata, luzula pilosa, avenella flexuosa, primula elatior, oxalis acetosella, populus tremula, deschampsia flexuosa, viburnum opulus, poa nemoralis, cornus sanguinea, moehringia trinervia