Rhamnus tortuosa SynonymySource: Henning, T. & Raab-Straube, E. von (2016+): Rhamnaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Rhamnus tortuosa Sommier & Levier in Bull. Soc. Bot. Ital., ser. 2, 1: 26. 1894ContentDistribution Bibliography Distribution ● Rf(CS) Euro+Med endemicA: Russia (North Caucasus nativeA) Bibliography A. Galushko, A. I. 1980: Flora Severnogo Kavkaza 2. – Rostov-na-Donu