Source: Valdés, B. & Raab-Straube, E. von (2011+): Boraginaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Symphytum peregrinum Ledeb., Index Sem. Hort. Dorpat.: 4. 1820
Euro+Mednot endemic: CrimeaintroducedA,B; France, with Channel is. and MonacointroducedB (FranceintroducedC); Russia (NW European RussiaintroducedA); Ukraine, with CrimeaintroducedA,D
Bibliography
A.Fedorov, A. A. 1981: Flora partis europaeae URSS 5. – Leningrad
B.Greuter, W., Burdet, H. M. & Long, G. 1984: Med-Checklist 1. – Genève & Berlin
C.Guinochet, M. & Vilmorin, R. 1975: Fl. France 2
D.Mosyakin, S. L. & Fedoronchuk, M. M. 1999: Vascular plants of Ukraine. A nomenclatural checklist. – Kiev: M. G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine
