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