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