| Name | Delphinium californicum f. longipiles Ewan |
| Authorship | Ewan |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Delphinium californicum Torrey & A. Gray |
| Citation | 1945 Univ. Colorado Stud. Ser. Biol. ser. D, 2: 146 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Delphinium californicum f. longipiles Ewan |
| Identification made in | [no date] (1) |
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