| Name | Orobanche cooperi subsp. palmeri (Munz) L. T. Collins |
| Authorship | (Munz) L. T. Collins |
| Rank | Subspecies |
| Placed in | Orobanche cooperi (A. Gray) A. Heller |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Orobanche cooperi subsp. palmeri (Munz) L. T. Collins |
| Identification made in | [no date] (1), 2015 (4), 2023 (1) |