| Name | Delphinium madrense f. insigne Ewan |
| Authorship | Ewan |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Delphinium madrense S. Watson |
| GUID | urn:lsid:ipni.org:names:77415-2 |
| Citation | 1945 Univ. Colorado Stud., Ser. D, Phys. Sci. 2: 165 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Delphinium madrense f. insigne Ewan |
| Identification made in | [no date] (1) |