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