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