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