be, arr. halle-vilvoorde, quercus robur, fraxinus excelsior, alnus glutinosa, glechoma hederacea, corylus avellana, urtica dioica, sambucus nigra, crataegus monogyna, acer pseudoplatanus, galium aparine, ribes rubrum, filipendula ulmaria, populus canadensis, geum urbanum, hedera helix, lonicera periclymenum, silene dioica, ficaria verna, angelica sylvestris, humulus lupulus, polygonatum multiflorum, galeopsis tetrahit, poa trivialis, circaea lutetiana, heracleum sphondylium, arum maculatum, viburnum opulus, prunus avium, sorbus aucuparia, athyrium filix-femina, stachys sylvatica, anemone nemorosa, ranunculus repens, ulmus minor, adoxa moschatellina, prunus padus, moehringia trinervia, geranium robertianum, primula elatior, cornus sanguinea, cardamine pratensis, deschampsia cespitosa, dryopteris carthusiana, symphytum officinale, rubus caesius, carpinus betulus, aegopodium podagraria, betula pendula, lamium galeobdolon, carex remota