Onosma sieheana SynonymySource: Valdés, B. & Raab-Straube, E. von (2011+): Boraginaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Onosma sieheana Hayek in Ann. K. K. Naturhist. Hofmus. 28: 173. 1914ContentDistribution Bibliography Distribution ● Tu(A) Euro+Med endemicA: Turkey (Turkey, Asiatic part nativeA,B) Bibliography A. Greuter, W., Burdet, H. M. & Long, G. 1984: Med-Checklist 1. – Genève & Berlin B. Güner, A. 2012: Türkiye Bitkileri Listesi. – Istanbul