| Name | Calendula gracilis de Candolle |
| Authorship | de Candolle |
| Rank | Species |
| Placed in | Calendula Linnaeus |
| Citation | 1837 [1838]. (early Jan 1838) Prodr. [A. P. de Candolle] 6: 453 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Calendula gracilis de Candolle |
| Identification made in | [no date] (2) |