quercus robur, picea abies, sambucus nigra, impatiens parviflora, alnus glutinosa, circaea lutetiana, glechoma hederacea, dactylis glomerata, dryopteris carthusiana, euonymus europaeus, galeopsis tetrahit, geranium robertianum, geum urbanum, moehringia trinervia, mycelis muralis, rubus idaeus, urtica dioica