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