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