| Name | Heterotheca grandiflora Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| Placed in | Heterotheca |
| Citation | 1840 Trans. Amer. Philos. Soc. ser. 2, 7: 315 |
| Holdings | 37 Specimens held in the Harvard University Herbaria identified as Heterotheca grandiflora Nuttall |
| Identification made in | [no date] (37) |