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