de, essen, kreisfreie stadt, fagus sylvatica, quercus robur, ilex aquifolium, lonicera periclymenum, sorbus aucuparia, acer pseudoplatanus, hedera helix, deschampsia flexuosa, avenella flexuosa, carpinus betulus, castanea sativa, quercus petraea, polygonatum multiflorum, pteridium aquilinum, anemone nemorosa, corylus avellana, betula pendula, prunus avium, fraxinus excelsior, vaccinium myrtillus, oxalis acetosella, quercus rubra, milium effusum, convallaria majalis, dryopteris dilatata, teucrium scorodonia, prunus serotina, lamium galeobdolon, dryopteris carthusiana, hyacinthoides non-scripta, frangula alnus, impatiens parviflora, rabelera holostea, luzula pilosa, sambucus nigra, pinus sylvestris, carex pilulifera, poa nemoralis, maianthemum bifolium, dryopteris filix-mas, melica uniflora, betula pubescens, holcus mollis, arum maculatum, circaea lutetiana, melampyrum pratense, athyrium filix-femina, scrophularia nodosa, rubus idaeus, galeopsis tetrahit