be, arr. nivelles, acer pseudoplatanus, fraxinus excelsior, quercus robur, corylus avellana, lonicera periclymenum, fagus sylvatica, sorbus aucuparia, castanea sativa, hedera helix, sambucus nigra, hyacinthoides non-scripta, urtica dioica, athyrium filix-femina, dryopteris dilatata, circaea lutetiana, lamium galeobdolon, polygonatum multiflorum, glechoma hederacea, arum maculatum, alnus glutinosa, prunus serotina, anemone nemorosa, geum urbanum, quercus rubra, dryopteris carthusiana, prunus avium, ficaria verna, galium aparine, ribes rubrum, crataegus monogyna, carpinus betulus, ilex aquifolium, betula pubescens, betula pendula, silene dioica, dryopteris filix-mas, primula elatior, adoxa moschatellina, geranium robertianum, poa trivialis, carex remota, pteridium aquilinum, carex sylvatica, juncus effusus, oxalis acetosella, ajuga reptans, ranunculus repens, stachys sylvatica, milium effusum, deschampsia cespitosa