| Name | Delphinium carolinianum subsp. calciphilum M. J. Warnock |
| Authorship | M. J. Warnock |
| Rank | Subspecies |
| Placed in | Delphinium carolinianum Walter |
| Citation | 1990 Phytologia 68: 4 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Delphinium carolinianum subsp. calciphilum M. J. Warnock |
| Identification made in | [no date] (1) |