be, arr. halle-vilvoorde, fraxinus excelsior, quercus robur, corylus avellana, acer pseudoplatanus, glechoma hederacea, urtica dioica, sambucus nigra, alnus glutinosa, anemone nemorosa, ficaria verna, circaea lutetiana, geum urbanum, polygonatum multiflorum, primula elatior, athyrium filix-femina, filipendula ulmaria, arum maculatum, lonicera periclymenum, populus canadensis, lamium galeobdolon, hedera helix, angelica sylvestris, carpinus betulus, ribes rubrum, sorbus aucuparia, galium aparine, silene dioica, prunus avium, ranunculus repens, adoxa moschatellina, fagus sylvatica, heracleum sphondylium, poa trivialis, stachys sylvatica, crataegus monogyna, viburnum opulus, cardamine pratensis, dryopteris carthusiana, quercus rubra, ajuga reptans, deschampsia cespitosa, carex sylvatica, alnus incana, paris quadrifolia, geranium robertianum, carex remota, cirsium oleraceum, prunus serotina, dryopteris filix-mas, castanea sativa