Onosma volgensis
Synonymy
Source: Valdés, B. & Raab-Straube, E. von (2011+): Boraginaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Onosma volgensis in Novosti Sist. Vysš. Nizš. Rast. 1976: 114. 1977