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