de, mettmann, fagus sylvatica, sorbus aucuparia, quercus robur, lonicera periclymenum, avenella flexuosa, hedera helix, deschampsia flexuosa, betula pendula, acer pseudoplatanus, frangula alnus, vaccinium myrtillus, corylus avellana, polygonatum multiflorum, carpinus betulus, dryopteris carthusiana, ilex aquifolium, convallaria majalis, dryopteris dilatata, sambucus nigra, anemone nemorosa, oxalis acetosella, pteridium aquilinum, teucrium scorodonia, galeopsis tetrahit, maianthemum bifolium, fraxinus excelsior, rubus idaeus, holcus mollis, pinus sylvestris, quercus petraea, prunus serotina, prunus avium, poa nemoralis, quercus rubra, betula pubescens, sambucus racemosa, moehringia trinervia, carex pilulifera, milium effusum, athyrium filix-femina, agrostis capillaris, luzula pilosa, lamium galeobdolon, rabelera holostea, scrophularia nodosa, luzula luzuloides, molinia caerulea, dryopteris filix-mas, urtica dioica, castanea sativa