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