Digitalis ferruginea subsp. ferruginea SynonymySource: Marhold, K. (2011+): Digitalis. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Digitalis ferruginea L. subsp. ferrugineaContentDistribution Bibliography Distribution Tu(A E) Euro+Med not endemicA: Turkey (Turkey, Asiatic part nativeA,B, Turkey-in-Europe nativeA,B) Bibliography A. Davis, P. H. 1978: Flora of Turkey and East Aegean Islands 6 B. Güner, A. 2012: Türkiye Bitkileri Listesi. – Istanbul