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