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