Viola wittrockiana SynonymySource: Raab-Straube, E. von & Henning, T. (2018+): Violaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Viola wittrockiana Gams ex Nauenb. & Buttler in Kochia 2: 38. 2007ContentDistribution Bibliography Distribution ● Euro+Med endemicA Bibliography A. Nauenb. & Buttler 2007: – Kochia 2. p 38 (as Viola wittrockiana Gams ex Nauenb. & Buttler)