Symphytum microcalyx
Synonymy
Source: Valdés, B. & Raab-Straube, E. von (2011+): Boraginaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Symphytum microcalyx in Berchtold & Opiz, Oekon.-Techn. Fl. Böhm. 2(2): 172. 1839