de, hamburg, impatiens parviflora, quercus rubra, quercus robur, acer pseudoplatanus, prunus serotina, fagus sylvatica, potentilla indica, urtica dioica, fraxinus excelsior, glechoma hederacea, castanea sativa, sorbus aucuparia, lamium galeobdolon, juncus tenuis, circaea lutetiana, acer platanoides, geum urbanum, sambucus nigra, rubus spectabilis, prunus padus, rhododendron ponticum, galeopsis tetrahit, galium aparine, carpinus betulus, allium paradoxum, galanthus nivalis, claytonia sibirica, robinia pseudoacacia, hedera helix, rhododendron luteum, alnus glutinosa, betula pendula, symphoricarpos albus, geum macrophyllum, scrophularia nodosa, ranunculus repens, allium ursinum, silene dioica, stachys sylvatica, lonicera periclymenum, corylus avellana, ilex aquifolium, poa trivialis, ficaria verna, aegopodium podagraria, impatiens glandulifera, geranium robertianum, aesculus hippocastanum, moehringia trinervia, anemone nemorosa