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