be, arr. halle-vilvoorde, fraxinus excelsior, quercus robur, corylus avellana, acer pseudoplatanus, lonicera periclymenum, glechoma hederacea, sambucus nigra, urtica dioica, alnus glutinosa, hedera helix, polygonatum multiflorum, sorbus aucuparia, athyrium filix-femina, anemone nemorosa, ficaria verna, geum urbanum, circaea lutetiana, adoxa moschatellina, dryopteris carthusiana, primula elatior, arum maculatum, silene dioica, ribes rubrum, carpinus betulus, crataegus monogyna, galium aparine, fagus sylvatica, lamium galeobdolon, prunus avium, filipendula ulmaria, populus canadensis, dryopteris dilatata, angelica sylvestris, poa trivialis, galeopsis tetrahit, deschampsia cespitosa, viburnum opulus, betula pubescens, moehringia trinervia, betula pendula, stachys sylvatica, carex remota, prunus serotina, cardamine pratensis, geranium robertianum, ranunculus repens, quercus rubra, juncus effusus, hyacinthoides non-scripta, dryopteris filix-mas