de, recklinghausen, fagus sylvatica, avenella flexuosa, deschampsia flexuosa, dryopteris carthusiana, quercus robur, sorbus aucuparia, pinus sylvestris, vaccinium myrtillus, carex pilulifera, dryopteris dilatata, picea abies, betula pendula, oxalis acetosella, prunus serotina, pteridium aquilinum, luzula pilosa, acer pseudoplatanus, lonicera periclymenum, quercus rubra, ilex aquifolium, frangula alnus, pseudotsuga menziesii, rubus idaeus, quercus petraea, maianthemum bifolium, moehringia trinervia, athyrium filix-femina, juncus effusus, molinia caerulea, milium effusum, betula pubescens, agrostis capillaris, calamagrostis epigejos, deschampsia cespitosa, larix decidua, anemone nemorosa, impatiens parviflora, calluna vulgaris, dryopteris filix-mas, larix kaempferi, lactuca muralis, poa nemoralis, melampyrum pratense, rabelera holostea, holcus mollis, pinus nigra, mycelis muralis, urtica dioica, carpinus betulus, hedera helix