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