| Name | Hibiscus grandiflorus Michaux |
| Authorship | Michaux |
| Rank | Species |
| Placed in | Hibiscus Linnaeus |
| Citation | 1803 Fl. Bor.-Amer. [Michaux] 2: 46 |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Hibiscus grandiflorus Michaux |
| Identification made in | [no date] (18), 1972 (2) |