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