| Name | Philadelphus affinis Schlechtendal |
| Authorship | Schlechtendal |
| Rank | Species |
| Placed in | Philadelphus |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Philadelphus affinis Schlechtendal |
| Identification made in | [no date] (3) |
| Name | Philadelphus affinis Schlechtendal |
| Authorship | Schlechtendal |
| Rank | Species |
| Placed in | Philadelphus |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Philadelphus affinis Schlechtendal |
| Identification made in | [no date] (3) |