Trigonocaryum SynonymySource: Valdés, B. & Raab-Straube, E. von (2011+): Boraginaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Trigonocaryum Trautv. in Trudy Imp. S.-Peterburgsk. Bot. Sada 3: 278. 1875ContentDistribution Distribution Ab(A) Gg Rf(CS) Euro+Med: Azerbaijan (Azerbaijan (core) native); Georgia native; Russia (North Caucasus native)