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