| Name | Lithospermum ruderale var. macrospermum J. F. Macbride |
| Authorship | J. F. Macbride |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Lithospermum ruderale Douglas ex Lehmann |
| GUID | urn:lsid:ipni.org:names:141837-2 |
| Citation | 1916 Contr. Gray Herb. n.s. 48: 55 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Lithospermum ruderale var. macrospermum J. F. Macbride |
| Identification made in | [no date] (2) |