be, arr. leuven, acer pseudoplatanus, fraxinus excelsior, quercus robur, fagus sylvatica, corylus avellana, lonicera periclymenum, carpinus betulus, hedera helix, athyrium filix-femina, polygonatum multiflorum, dryopteris carthusiana, anemone nemorosa, lamium galeobdolon, sorbus aucuparia, sambucus nigra, prunus avium, circaea lutetiana, hyacinthoides non-scripta, carex sylvatica, arum maculatum, primula elatior, milium effusum, castanea sativa, betula pendula, dryopteris filix-mas, luzula pilosa, dryopteris dilatata, oxalis acetosella, ficaria verna, urtica dioica, deschampsia cespitosa, geum urbanum, convallaria majalis, glechoma hederacea, adoxa moschatellina, pteridium aquilinum, ilex aquifolium, alnus glutinosa, prunus serotina, quercus rubra, crataegus monogyna, carex remota, betula pubescens, holcus mollis, scrophularia nodosa, ajuga reptans, stachys sylvatica, galeopsis tetrahit, viola reichenbachiana, paris quadrifolia