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