de, recklinghausen, fagus sylvatica, avenella flexuosa, dryopteris carthusiana, vaccinium myrtillus, quercus robur, deschampsia flexuosa, sorbus aucuparia, pinus sylvestris, carex pilulifera, dryopteris dilatata, betula pendula, prunus serotina, picea abies, pteridium aquilinum, quercus rubra, ilex aquifolium, lonicera periclymenum, pseudotsuga menziesii, frangula alnus, luzula pilosa, acer pseudoplatanus, oxalis acetosella, molinia caerulea, castanea sativa, quercus petraea, larix kaempferi, rubus idaeus, pinus nigra, betula pubescens, maianthemum bifolium, athyrium filix-femina, calluna vulgaris, juncus effusus, larix decidua, milium effusum, agrostis capillaris, moehringia trinervia, holcus mollis, hedera helix, melampyrum pratense, deschampsia cespitosa, dryopteris filix-mas, convallaria majalis, anemone nemorosa, calamagrostis epigejos, ceratocapnos claviculata, rabelera holostea, abies alba, galium saxatile, teucrium scorodonia