Onosma simplicissima SynonymySource: Valdés, B. & Raab-Straube, E. von (2011+): Boraginaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Onosma simplicissima L., Sp. Pl., ed. 2: 196. 1762=Onosma tanaitica Klokov in Bot. Žurn. (Kiev) 6(3): 72. 1979ContentDistribution Bibliography Distribution Rf(C E S) Euro+Med not endemic: Russia (C European Russia nativeA, E European Russia nativeA, S European Russia nativeA) Bibliography A. Fedorov, A. A. 1981: Flora partis europaeae URSS 5. – Leningrad