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