| Name | Paeonia californica Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| Placed in | Paeonia Linnaeus |
| Citation | 1838 Fl. N. Amer. [Torr. & A. Gray] 1(1): 41 |
| Holdings | 33 Specimens held in the Harvard University Herbaria identified as Paeonia californica Nuttall |
| Identification made in | [no date] (33) |