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