de, oldenburg, landkreis, quercus robur, fagus sylvatica, sorbus aucuparia, lonicera periclymenum, dryopteris dilatata, prunus serotina, dryopteris carthusiana, frangula alnus, betula pendula, ilex aquifolium, hedera helix, oxalis acetosella, corylus avellana, rubus idaeus, acer pseudoplatanus, quercus rubra, avenella flexuosa, pinus sylvestris, deschampsia flexuosa, sambucus nigra, maianthemum bifolium, fraxinus excelsior, impatiens parviflora, betula pubescens, polygonatum multiflorum, urtica dioica, deschampsia cespitosa, ceratocapnos claviculata, moehringia trinervia, rabelera holostea, anemone nemorosa, vaccinium myrtillus, picea abies, milium effusum, alnus glutinosa, pseudotsuga menziesii, carpinus betulus, pteridium aquilinum, holcus mollis, athyrium filix-femina, galeopsis tetrahit, galium aparine, agrostis capillaris, juncus effusus, carex pilulifera, molinia caerulea, poa trivialis, poa nemoralis, amelanchier lamarckii, prunus avium