urtica dioica, fraxinus excelsior, poa trivialis, phalaris arundinacea, ranunculus repens, phragmites australis, sorbus aucuparia, valeriana officinalis, agrostis capillaris, alnus glutinosa, cirsium vulgare, crataegus monogyna, galium aparine, glechoma hederacea, holcus lanatus, quercus robur, salix cinerea, sambucus nigra