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