be, arr. halle-vilvoorde, fagus sylvatica, acer pseudoplatanus, quercus robur, lonicera periclymenum, sorbus aucuparia, corylus avellana, castanea sativa, dryopteris carthusiana, quercus rubra, athyrium filix-femina, betula pendula, teucrium scorodonia, carpinus betulus, fraxinus excelsior, prunus serotina, dryopteris dilatata, hedera helix, pteridium aquilinum, anemone nemorosa, luzula pilosa, polygonatum multiflorum, sambucus nigra, vaccinium myrtillus, convallaria majalis, urtica dioica, pinus sylvestris, lamium galeobdolon, oxalis acetosella, dryopteris filix-mas, carex pilulifera, quercus petraea, moehringia trinervia, frangula alnus, prunus avium, avenella flexuosa, circaea lutetiana, juncus effusus, holcus mollis, deschampsia flexuosa, glechoma hederacea, deschampsia cespitosa, carex sylvatica, salix caprea, galeopsis tetrahit, scrophularia nodosa, milium effusum, ilex aquifolium, geum urbanum, betula pubescens, arum maculatum