| Name | Aesculus californica (Spach) Nuttall |
| Authorship | (Spach) Nuttall |
| Rank | Species |
| Placed in | Aesculus Linnaeus |
| Holdings | 136 Specimens held in the Harvard University Herbaria identified as Aesculus californica (Spach) Nuttall |
| Identification made in | [no date] (80), 1956 (48), 1963 (1), 1988 (5), 1990 (2) |