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