de, mettmann, sorbus aucuparia, fagus sylvatica, quercus robur, avenella flexuosa, betula pendula, vaccinium myrtillus, lonicera periclymenum, deschampsia flexuosa, teucrium scorodonia, quercus petraea, frangula alnus, carpinus betulus, holcus mollis, pteridium aquilinum, corylus avellana, carex pilulifera, dryopteris carthusiana, calluna vulgaris, agrostis capillaris, galeopsis tetrahit, luzula luzuloides, acer pseudoplatanus, ilex aquifolium, pinus sylvestris, betula pubescens, hedera helix, rubus idaeus, molinia caerulea, picea abies, athyrium filix-femina, populus tremula, oxalis acetosella, castanea sativa, dryopteris dilatata, cytisus scoparius, prunus avium, polygonatum multiflorum, fraxinus excelsior, quercus rubra, anemone nemorosa, juncus effusus, salix caprea, luzula pilosa, poa nemoralis, sambucus racemosa, dryopteris filix-mas, holcus lanatus, convallaria majalis, sambucus nigra, deschampsia cespitosa