Lithospermum incrassatum Guss., Fl. Sicul. Prodr. 1: 211. 1827
Lithospermum incrassatum, Fl. Sicul. Prodr. 1: 211. 1827
is basionym for Rhytispermum incrassatum in Reichenbach, Icon. Fl. Germ. Helv. 18: 67. 1858
is basionym for Lithospermum arvense var. incrassatum
is basionym for Buglossoides incrassata in J. Arnold Arbor. 35: 43. 1954
Lithospermum incrassatum, Fl. Sicul. Prodr. 1: 211. 1827