| Name | Philadelphus occidentalis A. Nelson |
| Authorship | A. Nelson |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Philadelphus |
| GUID | urn:lsid:ipni.org:names:192839-2 |
| Citation | 1898 Bull. Torrey Bot. Club 25(7): 374-375 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Philadelphus occidentalis A. Nelson |
| Identification made in | [no date] (2), 1951 (7), 2010 (1) |