| Name | Philadelphus grandiflorus Willdenow |
| Authorship | Willdenow |
| Rank | Species |
| Placed in | Philadelphus |
| Citation | 1809 Enum. Pl. [Willdenow] 511 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Philadelphus grandiflorus Willdenow |
| Identification made in | [no date] (3) |