de, friesland (de), quercus robur, fagus sylvatica, lonicera periclymenum, sorbus aucuparia, hedera helix, fraxinus excelsior, corylus avellana, acer pseudoplatanus, ilex aquifolium, dryopteris carthusiana, dryopteris dilatata, polygonatum multiflorum, frangula alnus, oxalis acetosella, anemone nemorosa, sambucus nigra, deschampsia cespitosa, carpinus betulus, prunus serotina, betula pubescens, maianthemum bifolium, betula pendula, milium effusum, rubus idaeus, rabelera holostea, urtica dioica, deschampsia flexuosa, avenella flexuosa, athyrium filix-femina, holcus mollis, poa trivialis, alnus glutinosa, quercus rubra, juncus effusus, glechoma hederacea, circaea lutetiana, pteridium aquilinum, moehringia trinervia, galeopsis tetrahit, lamium galeobdolon, vaccinium myrtillus, carex remota, prunus avium, agrostis capillaris, galium aparine, geum urbanum, molinia caerulea, poa nemoralis, crataegus monogyna, convallaria majalis