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