be, arr. leuven, castanea sativa, acer pseudoplatanus, corylus avellana, quercus robur, lonicera periclymenum, hedera helix, fraxinus excelsior, fagus sylvatica, polygonatum multiflorum, hyacinthoides non-scripta, sambucus nigra, prunus avium, carpinus betulus, quercus rubra, arum maculatum, anemone nemorosa, sorbus aucuparia, lamium galeobdolon, athyrium filix-femina, crataegus monogyna, betula pendula, ilex aquifolium, prunus serotina, dryopteris carthusiana, pteridium aquilinum, circaea lutetiana, dryopteris filix-mas, ficaria verna, glechoma hederacea, geum urbanum, dryopteris dilatata, adoxa moschatellina, primula elatior, carex sylvatica, convallaria majalis, luzula pilosa, ribes rubrum, teucrium scorodonia, frangula alnus, vinca minor, alnus glutinosa, urtica dioica, milium effusum, viburnum opulus, betula pubescens, mespilus germanica, quercus petraea, robinia pseudoacacia, ajuga reptans, ulmus minor