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